b9b01330fe
Jquery is not required by libtextsecure, but our test coverage tool, blanket, depends on it. // FREEBIE
8555 lines
371 KiB
JavaScript
8555 lines
371 KiB
JavaScript
/*
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Copyright 2013 Daniel Wirtz <dcode@dcode.io>
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Copyright 2009 The Closure Library Authors. All Rights Reserved.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS-IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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/**
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* @license Long.js (c) 2013 Daniel Wirtz <dcode@dcode.io>
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* Released under the Apache License, Version 2.0
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* see: https://github.com/dcodeIO/Long.js for details
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*/
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(function(global) {
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"use strict";
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/**
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* Constructs a 64 bit two's-complement integer, given its low and high 32 bit values as *signed* integers.
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* See the from* functions below for more convenient ways of constructing Longs.
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* @exports Long
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* @class A Long class for representing a 64 bit two's-complement integer value.
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* @param {number} low The low (signed) 32 bits of the long
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* @param {number} high The high (signed) 32 bits of the long
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* @param {boolean=} unsigned Whether unsigned or not, defaults to `false` for signed
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* @constructor
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*/
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var Long = function(low, high, unsigned) {
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/**
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* The low 32 bits as a signed value.
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* @type {number}
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* @expose
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*/
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this.low = low|0;
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/**
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* The high 32 bits as a signed value.
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* @type {number}
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* @expose
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*/
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this.high = high|0;
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/**
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* Whether unsigned or not.
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* @type {boolean}
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* @expose
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*/
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this.unsigned = !!unsigned;
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};
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// The internal representation of a long is the two given signed, 32-bit values.
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// We use 32-bit pieces because these are the size of integers on which
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// Javascript performs bit-operations. For operations like addition and
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// multiplication, we split each number into 16 bit pieces, which can easily be
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// multiplied within Javascript's floating-point representation without overflow
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// or change in sign.
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//
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// In the algorithms below, we frequently reduce the negative case to the
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// positive case by negating the input(s) and then post-processing the result.
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// Note that we must ALWAYS check specially whether those values are MIN_VALUE
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// (-2^63) because -MIN_VALUE == MIN_VALUE (since 2^63 cannot be represented as
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// a positive number, it overflows back into a negative). Not handling this
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// case would often result in infinite recursion.
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//
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// Common constant values ZERO, ONE, NEG_ONE, etc. are defined below the from*
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// methods on which they depend.
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/**
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* Tests if the specified object is a Long.
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* @param {*} obj Object
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* @returns {boolean}
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* @expose
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*/
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Long.isLong = function(obj) {
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return (obj && obj instanceof Long) === true;
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};
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/**
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* A cache of the Long representations of small integer values.
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* @type {!Object}
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* @inner
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*/
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var INT_CACHE = {};
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/**
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* A cache of the Long representations of small unsigned integer values.
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* @type {!Object}
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* @inner
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*/
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var UINT_CACHE = {};
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/**
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* Returns a Long representing the given 32 bit integer value.
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* @param {number} value The 32 bit integer in question
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* @param {boolean=} unsigned Whether unsigned or not, defaults to `false` for signed
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* @returns {!Long} The corresponding Long value
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* @expose
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*/
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Long.fromInt = function(value, unsigned) {
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var obj, cachedObj;
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if (!unsigned) {
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value = value | 0;
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if (-128 <= value && value < 128) {
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cachedObj = INT_CACHE[value];
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if (cachedObj)
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return cachedObj;
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}
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obj = new Long(value, value < 0 ? -1 : 0, false);
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if (-128 <= value && value < 128)
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INT_CACHE[value] = obj;
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return obj;
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} else {
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value = value >>> 0;
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if (0 <= value && value < 256) {
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cachedObj = UINT_CACHE[value];
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if (cachedObj)
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return cachedObj;
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}
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obj = new Long(value, (value | 0) < 0 ? -1 : 0, true);
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if (0 <= value && value < 256)
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UINT_CACHE[value] = obj;
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return obj;
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}
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};
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/**
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* Returns a Long representing the given value, provided that it is a finite number. Otherwise, zero is returned.
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* @param {number} value The number in question
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* @param {boolean=} unsigned Whether unsigned or not, defaults to `false` for signed
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* @returns {!Long} The corresponding Long value
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* @expose
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*/
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Long.fromNumber = function(value, unsigned) {
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unsigned = !!unsigned;
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if (isNaN(value) || !isFinite(value))
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return Long.ZERO;
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if (!unsigned && value <= -TWO_PWR_63_DBL)
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return Long.MIN_VALUE;
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if (!unsigned && value + 1 >= TWO_PWR_63_DBL)
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return Long.MAX_VALUE;
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if (unsigned && value >= TWO_PWR_64_DBL)
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return Long.MAX_UNSIGNED_VALUE;
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if (value < 0)
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return Long.fromNumber(-value, unsigned).negate();
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return new Long((value % TWO_PWR_32_DBL) | 0, (value / TWO_PWR_32_DBL) | 0, unsigned);
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};
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/**
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* Returns a Long representing the 64 bit integer that comes by concatenating the given low and high bits. Each is
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* assumed to use 32 bits.
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* @param {number} lowBits The low 32 bits
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* @param {number} highBits The high 32 bits
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* @param {boolean=} unsigned Whether unsigned or not, defaults to `false` for signed
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* @returns {!Long} The corresponding Long value
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* @expose
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*/
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Long.fromBits = function(lowBits, highBits, unsigned) {
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return new Long(lowBits, highBits, unsigned);
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};
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/**
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* Returns a Long representation of the given string, written using the specified radix.
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* @param {string} str The textual representation of the Long
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* @param {(boolean|number)=} unsigned Whether unsigned or not, defaults to `false` for signed
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* @param {number=} radix The radix in which the text is written (2-36), defaults to 10
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* @returns {!Long} The corresponding Long value
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* @expose
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*/
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Long.fromString = function(str, unsigned, radix) {
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if (str.length === 0)
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throw Error('number format error: empty string');
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if (str === "NaN" || str === "Infinity" || str === "+Infinity" || str === "-Infinity")
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return Long.ZERO;
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if (typeof unsigned === 'number') // For goog.math.long compatibility
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radix = unsigned,
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unsigned = false;
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radix = radix || 10;
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if (radix < 2 || 36 < radix)
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throw Error('radix out of range: ' + radix);
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var p;
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if ((p = str.indexOf('-')) > 0)
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throw Error('number format error: interior "-" character: ' + str);
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else if (p === 0)
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return Long.fromString(str.substring(1), unsigned, radix).negate();
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// Do several (8) digits each time through the loop, so as to
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// minimize the calls to the very expensive emulated div.
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var radixToPower = Long.fromNumber(Math.pow(radix, 8));
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var result = Long.ZERO;
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for (var i = 0; i < str.length; i += 8) {
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var size = Math.min(8, str.length - i);
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var value = parseInt(str.substring(i, i + size), radix);
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if (size < 8) {
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var power = Long.fromNumber(Math.pow(radix, size));
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result = result.multiply(power).add(Long.fromNumber(value));
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} else {
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result = result.multiply(radixToPower);
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result = result.add(Long.fromNumber(value));
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}
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}
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result.unsigned = unsigned;
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return result;
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};
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/**
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* Converts the specified value to a Long.
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* @param {!Long|number|string|!{low: number, high: number, unsigned: boolean}} val Value
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* @returns {!Long}
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* @expose
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*/
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Long.fromValue = function(val) {
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if (typeof val === 'number')
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return Long.fromNumber(val);
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if (typeof val === 'string')
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return Long.fromString(val);
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if (Long.isLong(val))
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return val;
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// Throws for not an object (undefined, null):
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return new Long(val.low, val.high, val.unsigned);
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};
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// NOTE: the compiler should inline these constant values below and then remove these variables, so there should be
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// no runtime penalty for these.
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/**
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* @type {number}
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* @const
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* @inner
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*/
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var TWO_PWR_16_DBL = 1 << 16;
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/**
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* @type {number}
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* @const
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* @inner
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*/
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var TWO_PWR_24_DBL = 1 << 24;
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/**
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* @type {number}
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* @const
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* @inner
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*/
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var TWO_PWR_32_DBL = TWO_PWR_16_DBL * TWO_PWR_16_DBL;
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/**
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* @type {number}
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* @const
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* @inner
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*/
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var TWO_PWR_64_DBL = TWO_PWR_32_DBL * TWO_PWR_32_DBL;
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/**
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* @type {number}
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* @const
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* @inner
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*/
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var TWO_PWR_63_DBL = TWO_PWR_64_DBL / 2;
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/**
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* @type {!Long}
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* @const
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* @inner
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*/
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var TWO_PWR_24 = Long.fromInt(TWO_PWR_24_DBL);
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/**
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* Signed zero.
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* @type {!Long}
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* @expose
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*/
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Long.ZERO = Long.fromInt(0);
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/**
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* Unsigned zero.
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* @type {!Long}
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* @expose
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*/
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Long.UZERO = Long.fromInt(0, true);
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/**
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* Signed one.
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* @type {!Long}
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* @expose
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*/
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Long.ONE = Long.fromInt(1);
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/**
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* Unsigned one.
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* @type {!Long}
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* @expose
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*/
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Long.UONE = Long.fromInt(1, true);
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/**
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* Signed negative one.
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* @type {!Long}
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* @expose
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*/
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Long.NEG_ONE = Long.fromInt(-1);
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/**
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* Maximum signed value.
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* @type {!Long}
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* @expose
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*/
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Long.MAX_VALUE = Long.fromBits(0xFFFFFFFF|0, 0x7FFFFFFF|0, false);
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/**
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* Maximum unsigned value.
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* @type {!Long}
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* @expose
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*/
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Long.MAX_UNSIGNED_VALUE = Long.fromBits(0xFFFFFFFF|0, 0xFFFFFFFF|0, true);
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/**
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* Minimum signed value.
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* @type {!Long}
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* @expose
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*/
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Long.MIN_VALUE = Long.fromBits(0, 0x80000000|0, false);
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/**
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* Converts the Long to a 32 bit integer, assuming it is a 32 bit integer.
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* @returns {number}
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* @expose
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*/
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Long.prototype.toInt = function() {
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return this.unsigned ? this.low >>> 0 : this.low;
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};
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/**
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* Converts the Long to a the nearest floating-point representation of this value (double, 53 bit mantissa).
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* @returns {number}
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* @expose
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*/
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Long.prototype.toNumber = function() {
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if (this.unsigned) {
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return ((this.high >>> 0) * TWO_PWR_32_DBL) + (this.low >>> 0);
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}
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return this.high * TWO_PWR_32_DBL + (this.low >>> 0);
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};
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/**
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* Converts the Long to a string written in the specified radix.
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* @param {number=} radix Radix (2-36), defaults to 10
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* @returns {string}
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* @override
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* @throws {RangeError} If `radix` is out of range
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* @expose
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*/
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Long.prototype.toString = function(radix) {
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radix = radix || 10;
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if (radix < 2 || 36 < radix)
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throw RangeError('radix out of range: ' + radix);
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if (this.isZero())
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return '0';
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var rem;
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if (this.isNegative()) { // Unsigned Longs are never negative
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if (this.equals(Long.MIN_VALUE)) {
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// We need to change the Long value before it can be negated, so we remove
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// the bottom-most digit in this base and then recurse to do the rest.
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var radixLong = Long.fromNumber(radix);
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var div = this.div(radixLong);
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rem = div.multiply(radixLong).subtract(this);
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return div.toString(radix) + rem.toInt().toString(radix);
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} else
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return '-' + this.negate().toString(radix);
|
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}
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||
|
||
// Do several (6) digits each time through the loop, so as to
|
||
// minimize the calls to the very expensive emulated div.
|
||
var radixToPower = Long.fromNumber(Math.pow(radix, 6), this.unsigned);
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rem = this;
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var result = '';
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while (true) {
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var remDiv = rem.div(radixToPower),
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intval = rem.subtract(remDiv.multiply(radixToPower)).toInt() >>> 0,
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digits = intval.toString(radix);
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rem = remDiv;
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if (rem.isZero())
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return digits + result;
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else {
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while (digits.length < 6)
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digits = '0' + digits;
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result = '' + digits + result;
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||
}
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}
|
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};
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||
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||
/**
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||
* Gets the high 32 bits as a signed integer.
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* @returns {number} Signed high bits
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||
* @expose
|
||
*/
|
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Long.prototype.getHighBits = function() {
|
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return this.high;
|
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};
|
||
|
||
/**
|
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* Gets the high 32 bits as an unsigned integer.
|
||
* @returns {number} Unsigned high bits
|
||
* @expose
|
||
*/
|
||
Long.prototype.getHighBitsUnsigned = function() {
|
||
return this.high >>> 0;
|
||
};
|
||
|
||
/**
|
||
* Gets the low 32 bits as a signed integer.
|
||
* @returns {number} Signed low bits
|
||
* @expose
|
||
*/
|
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Long.prototype.getLowBits = function() {
|
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return this.low;
|
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};
|
||
|
||
/**
|
||
* Gets the low 32 bits as an unsigned integer.
|
||
* @returns {number} Unsigned low bits
|
||
* @expose
|
||
*/
|
||
Long.prototype.getLowBitsUnsigned = function() {
|
||
return this.low >>> 0;
|
||
};
|
||
|
||
/**
|
||
* Gets the number of bits needed to represent the absolute value of this Long.
|
||
* @returns {number}
|
||
* @expose
|
||
*/
|
||
Long.prototype.getNumBitsAbs = function() {
|
||
if (this.isNegative()) // Unsigned Longs are never negative
|
||
return this.equals(Long.MIN_VALUE) ? 64 : this.negate().getNumBitsAbs();
|
||
var val = this.high != 0 ? this.high : this.low;
|
||
for (var bit = 31; bit > 0; bit--)
|
||
if ((val & (1 << bit)) != 0)
|
||
break;
|
||
return this.high != 0 ? bit + 33 : bit + 1;
|
||
};
|
||
|
||
/**
|
||
* Tests if this Long's value equals zero.
|
||
* @returns {boolean}
|
||
* @expose
|
||
*/
|
||
Long.prototype.isZero = function() {
|
||
return this.high === 0 && this.low === 0;
|
||
};
|
||
|
||
/**
|
||
* Tests if this Long's value is negative.
|
||
* @returns {boolean}
|
||
* @expose
|
||
*/
|
||
Long.prototype.isNegative = function() {
|
||
return !this.unsigned && this.high < 0;
|
||
};
|
||
|
||
/**
|
||
* Tests if this Long's value is positive.
|
||
* @returns {boolean}
|
||
* @expose
|
||
*/
|
||
Long.prototype.isPositive = function() {
|
||
return this.unsigned || this.high >= 0;
|
||
};
|
||
|
||
/**
|
||
* Tests if this Long's value is odd.
|
||
* @returns {boolean}
|
||
* @expose
|
||
*/
|
||
Long.prototype.isOdd = function() {
|
||
return (this.low & 1) === 1;
|
||
};
|
||
|
||
/**
|
||
* Tests if this Long's value is even.
|
||
* @returns {boolean}
|
||
* @expose
|
||
*/
|
||
Long.prototype.isEven = function() {
|
||
return (this.low & 1) === 0;
|
||
};
|
||
|
||
/**
|
||
* Tests if this Long's value equals the specified's.
|
||
* @param {!Long|number|string} other Other value
|
||
* @returns {boolean}
|
||
* @expose
|
||
*/
|
||
Long.prototype.equals = function(other) {
|
||
if (!Long.isLong(other))
|
||
other = Long.fromValue(other);
|
||
if (this.unsigned !== other.unsigned && (this.high >>> 31) === 1 && (other.high >>> 31) === 1)
|
||
return false;
|
||
return this.high === other.high && this.low === other.low;
|
||
};
|
||
|
||
/**
|
||
* Tests if this Long's value differs from the specified's.
|
||
* @param {!Long|number|string} other Other value
|
||
* @returns {boolean}
|
||
* @expose
|
||
*/
|
||
Long.prototype.notEquals = function(other) {
|
||
if (!Long.isLong(other))
|
||
other = Long.fromValue(other);
|
||
return !this.equals(other);
|
||
};
|
||
|
||
/**
|
||
* Tests if this Long's value is less than the specified's.
|
||
* @param {!Long|number|string} other Other value
|
||
* @returns {boolean}
|
||
* @expose
|
||
*/
|
||
Long.prototype.lessThan = function(other) {
|
||
if (!Long.isLong(other))
|
||
other = Long.fromValue(other);
|
||
return this.compare(other) < 0;
|
||
};
|
||
|
||
/**
|
||
* Tests if this Long's value is less than or equal the specified's.
|
||
* @param {!Long|number|string} other Other value
|
||
* @returns {boolean}
|
||
* @expose
|
||
*/
|
||
Long.prototype.lessThanOrEqual = function(other) {
|
||
if (!Long.isLong(other))
|
||
other = Long.fromValue(other);
|
||
return this.compare(other) <= 0;
|
||
};
|
||
|
||
/**
|
||
* Tests if this Long's value is greater than the specified's.
|
||
* @param {!Long|number|string} other Other value
|
||
* @returns {boolean}
|
||
* @expose
|
||
*/
|
||
Long.prototype.greaterThan = function(other) {
|
||
if (!Long.isLong(other))
|
||
other = Long.fromValue(other);
|
||
return this.compare(other) > 0;
|
||
};
|
||
|
||
/**
|
||
* Tests if this Long's value is greater than or equal the specified's.
|
||
* @param {!Long|number|string} other Other value
|
||
* @returns {boolean}
|
||
* @expose
|
||
*/
|
||
Long.prototype.greaterThanOrEqual = function(other) {
|
||
return this.compare(other) >= 0;
|
||
};
|
||
|
||
/**
|
||
* Compares this Long's value with the specified's.
|
||
* @param {!Long|number|string} other Other value
|
||
* @returns {number} 0 if they are the same, 1 if the this is greater and -1
|
||
* if the given one is greater
|
||
* @expose
|
||
*/
|
||
Long.prototype.compare = function(other) {
|
||
if (this.equals(other))
|
||
return 0;
|
||
var thisNeg = this.isNegative(),
|
||
otherNeg = other.isNegative();
|
||
if (thisNeg && !otherNeg)
|
||
return -1;
|
||
if (!thisNeg && otherNeg)
|
||
return 1;
|
||
// At this point the sign bits are the same
|
||
if (!this.unsigned)
|
||
return this.subtract(other).isNegative() ? -1 : 1;
|
||
// Both are positive if at least one is unsigned
|
||
return (other.high >>> 0) > (this.high >>> 0) || (other.high === this.high && (other.low >>> 0) > (this.low >>> 0)) ? -1 : 1;
|
||
};
|
||
|
||
/**
|
||
* Negates this Long's value.
|
||
* @returns {!Long} Negated Long
|
||
* @expose
|
||
*/
|
||
Long.prototype.negate = function() {
|
||
if (!this.unsigned && this.equals(Long.MIN_VALUE))
|
||
return Long.MIN_VALUE;
|
||
return this.not().add(Long.ONE);
|
||
};
|
||
|
||
/**
|
||
* Returns the sum of this and the specified Long.
|
||
* @param {!Long|number|string} addend Addend
|
||
* @returns {!Long} Sum
|
||
* @expose
|
||
*/
|
||
Long.prototype.add = function(addend) {
|
||
if (!Long.isLong(addend))
|
||
addend = Long.fromValue(addend);
|
||
|
||
// Divide each number into 4 chunks of 16 bits, and then sum the chunks.
|
||
|
||
var a48 = this.high >>> 16;
|
||
var a32 = this.high & 0xFFFF;
|
||
var a16 = this.low >>> 16;
|
||
var a00 = this.low & 0xFFFF;
|
||
|
||
var b48 = addend.high >>> 16;
|
||
var b32 = addend.high & 0xFFFF;
|
||
var b16 = addend.low >>> 16;
|
||
var b00 = addend.low & 0xFFFF;
|
||
|
||
var c48 = 0, c32 = 0, c16 = 0, c00 = 0;
|
||
c00 += a00 + b00;
|
||
c16 += c00 >>> 16;
|
||
c00 &= 0xFFFF;
|
||
c16 += a16 + b16;
|
||
c32 += c16 >>> 16;
|
||
c16 &= 0xFFFF;
|
||
c32 += a32 + b32;
|
||
c48 += c32 >>> 16;
|
||
c32 &= 0xFFFF;
|
||
c48 += a48 + b48;
|
||
c48 &= 0xFFFF;
|
||
return Long.fromBits((c16 << 16) | c00, (c48 << 16) | c32, this.unsigned);
|
||
};
|
||
|
||
/**
|
||
* Returns the difference of this and the specified Long.
|
||
* @param {!Long|number|string} subtrahend Subtrahend
|
||
* @returns {!Long} Difference
|
||
* @expose
|
||
*/
|
||
Long.prototype.subtract = function(subtrahend) {
|
||
if (!Long.isLong(subtrahend))
|
||
subtrahend = Long.fromValue(subtrahend);
|
||
return this.add(subtrahend.negate());
|
||
};
|
||
|
||
/**
|
||
* Returns the product of this and the specified Long.
|
||
* @param {!Long|number|string} multiplier Multiplier
|
||
* @returns {!Long} Product
|
||
* @expose
|
||
*/
|
||
Long.prototype.multiply = function(multiplier) {
|
||
if (this.isZero())
|
||
return Long.ZERO;
|
||
if (!Long.isLong(multiplier))
|
||
multiplier = Long.fromValue(multiplier);
|
||
if (multiplier.isZero())
|
||
return Long.ZERO;
|
||
if (this.equals(Long.MIN_VALUE))
|
||
return multiplier.isOdd() ? Long.MIN_VALUE : Long.ZERO;
|
||
if (multiplier.equals(Long.MIN_VALUE))
|
||
return this.isOdd() ? Long.MIN_VALUE : Long.ZERO;
|
||
|
||
if (this.isNegative()) {
|
||
if (multiplier.isNegative())
|
||
return this.negate().multiply(multiplier.negate());
|
||
else
|
||
return this.negate().multiply(multiplier).negate();
|
||
} else if (multiplier.isNegative())
|
||
return this.multiply(multiplier.negate()).negate();
|
||
|
||
// If both longs are small, use float multiplication
|
||
if (this.lessThan(TWO_PWR_24) && multiplier.lessThan(TWO_PWR_24))
|
||
return Long.fromNumber(this.toNumber() * multiplier.toNumber(), this.unsigned);
|
||
|
||
// Divide each long into 4 chunks of 16 bits, and then add up 4x4 products.
|
||
// We can skip products that would overflow.
|
||
|
||
var a48 = this.high >>> 16;
|
||
var a32 = this.high & 0xFFFF;
|
||
var a16 = this.low >>> 16;
|
||
var a00 = this.low & 0xFFFF;
|
||
|
||
var b48 = multiplier.high >>> 16;
|
||
var b32 = multiplier.high & 0xFFFF;
|
||
var b16 = multiplier.low >>> 16;
|
||
var b00 = multiplier.low & 0xFFFF;
|
||
|
||
var c48 = 0, c32 = 0, c16 = 0, c00 = 0;
|
||
c00 += a00 * b00;
|
||
c16 += c00 >>> 16;
|
||
c00 &= 0xFFFF;
|
||
c16 += a16 * b00;
|
||
c32 += c16 >>> 16;
|
||
c16 &= 0xFFFF;
|
||
c16 += a00 * b16;
|
||
c32 += c16 >>> 16;
|
||
c16 &= 0xFFFF;
|
||
c32 += a32 * b00;
|
||
c48 += c32 >>> 16;
|
||
c32 &= 0xFFFF;
|
||
c32 += a16 * b16;
|
||
c48 += c32 >>> 16;
|
||
c32 &= 0xFFFF;
|
||
c32 += a00 * b32;
|
||
c48 += c32 >>> 16;
|
||
c32 &= 0xFFFF;
|
||
c48 += a48 * b00 + a32 * b16 + a16 * b32 + a00 * b48;
|
||
c48 &= 0xFFFF;
|
||
return Long.fromBits((c16 << 16) | c00, (c48 << 16) | c32, this.unsigned);
|
||
};
|
||
|
||
/**
|
||
* Returns this Long divided by the specified.
|
||
* @param {!Long|number|string} divisor Divisor
|
||
* @returns {!Long} Quotient
|
||
* @expose
|
||
*/
|
||
Long.prototype.div = function(divisor) {
|
||
if (!Long.isLong(divisor))
|
||
divisor = Long.fromValue(divisor);
|
||
if (divisor.isZero())
|
||
throw(new Error('division by zero'));
|
||
if (this.isZero())
|
||
return this.unsigned ? Long.UZERO : Long.ZERO;
|
||
var approx, rem, res;
|
||
if (this.equals(Long.MIN_VALUE)) {
|
||
if (divisor.equals(Long.ONE) || divisor.equals(Long.NEG_ONE))
|
||
return Long.MIN_VALUE; // recall that -MIN_VALUE == MIN_VALUE
|
||
else if (divisor.equals(Long.MIN_VALUE))
|
||
return Long.ONE;
|
||
else {
|
||
// At this point, we have |other| >= 2, so |this/other| < |MIN_VALUE|.
|
||
var halfThis = this.shiftRight(1);
|
||
approx = halfThis.div(divisor).shiftLeft(1);
|
||
if (approx.equals(Long.ZERO)) {
|
||
return divisor.isNegative() ? Long.ONE : Long.NEG_ONE;
|
||
} else {
|
||
rem = this.subtract(divisor.multiply(approx));
|
||
res = approx.add(rem.div(divisor));
|
||
return res;
|
||
}
|
||
}
|
||
} else if (divisor.equals(Long.MIN_VALUE))
|
||
return this.unsigned ? Long.UZERO : Long.ZERO;
|
||
if (this.isNegative()) {
|
||
if (divisor.isNegative())
|
||
return this.negate().div(divisor.negate());
|
||
return this.negate().div(divisor).negate();
|
||
} else if (divisor.isNegative())
|
||
return this.div(divisor.negate()).negate();
|
||
|
||
// Repeat the following until the remainder is less than other: find a
|
||
// floating-point that approximates remainder / other *from below*, add this
|
||
// into the result, and subtract it from the remainder. It is critical that
|
||
// the approximate value is less than or equal to the real value so that the
|
||
// remainder never becomes negative.
|
||
res = Long.ZERO;
|
||
rem = this;
|
||
while (rem.greaterThanOrEqual(divisor)) {
|
||
// Approximate the result of division. This may be a little greater or
|
||
// smaller than the actual value.
|
||
approx = Math.max(1, Math.floor(rem.toNumber() / divisor.toNumber()));
|
||
|
||
// We will tweak the approximate result by changing it in the 48-th digit or
|
||
// the smallest non-fractional digit, whichever is larger.
|
||
var log2 = Math.ceil(Math.log(approx) / Math.LN2),
|
||
delta = (log2 <= 48) ? 1 : Math.pow(2, log2 - 48),
|
||
|
||
// Decrease the approximation until it is smaller than the remainder. Note
|
||
// that if it is too large, the product overflows and is negative.
|
||
approxRes = Long.fromNumber(approx),
|
||
approxRem = approxRes.multiply(divisor);
|
||
while (approxRem.isNegative() || approxRem.greaterThan(rem)) {
|
||
approx -= delta;
|
||
approxRes = Long.fromNumber(approx, this.unsigned);
|
||
approxRem = approxRes.multiply(divisor);
|
||
}
|
||
|
||
// We know the answer can't be zero... and actually, zero would cause
|
||
// infinite recursion since we would make no progress.
|
||
if (approxRes.isZero())
|
||
approxRes = Long.ONE;
|
||
|
||
res = res.add(approxRes);
|
||
rem = rem.subtract(approxRem);
|
||
}
|
||
return res;
|
||
};
|
||
|
||
/**
|
||
* Returns this Long modulo the specified.
|
||
* @param {!Long|number|string} divisor Divisor
|
||
* @returns {!Long} Remainder
|
||
* @expose
|
||
*/
|
||
Long.prototype.modulo = function(divisor) {
|
||
if (!Long.isLong(divisor))
|
||
divisor = Long.fromValue(divisor);
|
||
return this.subtract(this.div(divisor).multiply(divisor));
|
||
};
|
||
|
||
/**
|
||
* Returns the bitwise NOT of this Long.
|
||
* @returns {!Long}
|
||
* @expose
|
||
*/
|
||
Long.prototype.not = function() {
|
||
return Long.fromBits(~this.low, ~this.high, this.unsigned);
|
||
};
|
||
|
||
/**
|
||
* Returns the bitwise AND of this Long and the specified.
|
||
* @param {!Long|number|string} other Other Long
|
||
* @returns {!Long}
|
||
* @expose
|
||
*/
|
||
Long.prototype.and = function(other) {
|
||
if (!Long.isLong(other))
|
||
other = Long.fromValue(other);
|
||
return Long.fromBits(this.low & other.low, this.high & other.high, this.unsigned);
|
||
};
|
||
|
||
/**
|
||
* Returns the bitwise OR of this Long and the specified.
|
||
* @param {!Long|number|string} other Other Long
|
||
* @returns {!Long}
|
||
* @expose
|
||
*/
|
||
Long.prototype.or = function(other) {
|
||
if (!Long.isLong(other))
|
||
other = Long.fromValue(other);
|
||
return Long.fromBits(this.low | other.low, this.high | other.high, this.unsigned);
|
||
};
|
||
|
||
/**
|
||
* Returns the bitwise XOR of this Long and the given one.
|
||
* @param {!Long|number|string} other Other Long
|
||
* @returns {!Long}
|
||
* @expose
|
||
*/
|
||
Long.prototype.xor = function(other) {
|
||
if (!Long.isLong(other))
|
||
other = Long.fromValue(other);
|
||
return Long.fromBits(this.low ^ other.low, this.high ^ other.high, this.unsigned);
|
||
};
|
||
|
||
/**
|
||
* Returns this Long with bits shifted to the left by the given amount.
|
||
* @param {number|!Long} numBits Number of bits
|
||
* @returns {!Long} Shifted Long
|
||
* @expose
|
||
*/
|
||
Long.prototype.shiftLeft = function(numBits) {
|
||
if (Long.isLong(numBits))
|
||
numBits = numBits.toInt();
|
||
if ((numBits &= 63) === 0)
|
||
return this;
|
||
else if (numBits < 32)
|
||
return Long.fromBits(this.low << numBits, (this.high << numBits) | (this.low >>> (32 - numBits)), this.unsigned);
|
||
else
|
||
return Long.fromBits(0, this.low << (numBits - 32), this.unsigned);
|
||
};
|
||
|
||
/**
|
||
* Returns this Long with bits arithmetically shifted to the right by the given amount.
|
||
* @param {number|!Long} numBits Number of bits
|
||
* @returns {!Long} Shifted Long
|
||
* @expose
|
||
*/
|
||
Long.prototype.shiftRight = function(numBits) {
|
||
if (Long.isLong(numBits))
|
||
numBits = numBits.toInt();
|
||
if ((numBits &= 63) === 0)
|
||
return this;
|
||
else if (numBits < 32)
|
||
return Long.fromBits((this.low >>> numBits) | (this.high << (32 - numBits)), this.high >> numBits, this.unsigned);
|
||
else
|
||
return Long.fromBits(this.high >> (numBits - 32), this.high >= 0 ? 0 : -1, this.unsigned);
|
||
};
|
||
|
||
/**
|
||
* Returns this Long with bits logically shifted to the right by the given amount.
|
||
* @param {number|!Long} numBits Number of bits
|
||
* @returns {!Long} Shifted Long
|
||
* @expose
|
||
*/
|
||
Long.prototype.shiftRightUnsigned = function(numBits) {
|
||
if (Long.isLong(numBits))
|
||
numBits = numBits.toInt();
|
||
numBits &= 63;
|
||
if (numBits === 0)
|
||
return this;
|
||
else {
|
||
var high = this.high;
|
||
if (numBits < 32) {
|
||
var low = this.low;
|
||
return Long.fromBits((low >>> numBits) | (high << (32 - numBits)), high >>> numBits, this.unsigned);
|
||
} else if (numBits === 32)
|
||
return Long.fromBits(high, 0, this.unsigned);
|
||
else
|
||
return Long.fromBits(high >>> (numBits - 32), 0, this.unsigned);
|
||
}
|
||
};
|
||
|
||
/**
|
||
* Converts this Long to signed.
|
||
* @returns {!Long} Signed long
|
||
* @expose
|
||
*/
|
||
Long.prototype.toSigned = function() {
|
||
if (!this.unsigned)
|
||
return this;
|
||
return new Long(this.low, this.high, false);
|
||
};
|
||
|
||
/**
|
||
* Converts this Long to unsigned.
|
||
* @returns {!Long} Unsigned long
|
||
* @expose
|
||
*/
|
||
Long.prototype.toUnsigned = function() {
|
||
if (this.unsigned)
|
||
return this;
|
||
return new Long(this.low, this.high, true);
|
||
};
|
||
|
||
/* CommonJS */ if (typeof require === 'function' && typeof module === 'object' && module && typeof exports === 'object' && exports)
|
||
module["exports"] = Long;
|
||
/* AMD */ else if (typeof define === 'function' && define["amd"])
|
||
define(function() { return Long; });
|
||
/* Global */ else
|
||
(global["dcodeIO"] = global["dcodeIO"] || {})["Long"] = Long;
|
||
|
||
})(this);
|
||
|
||
/*
|
||
Copyright 2013-2014 Daniel Wirtz <dcode@dcode.io>
|
||
|
||
Licensed under the Apache License, Version 2.0 (the "License");
|
||
you may not use this file except in compliance with the License.
|
||
You may obtain a copy of the License at
|
||
|
||
http://www.apache.org/licenses/LICENSE-2.0
|
||
|
||
Unless required by applicable law or agreed to in writing, software
|
||
distributed under the License is distributed on an "AS IS" BASIS,
|
||
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
||
See the License for the specific language governing permissions and
|
||
limitations under the License.
|
||
*/
|
||
|
||
/**
|
||
* @license ByteBuffer.js (c) 2013-2014 Daniel Wirtz <dcode@dcode.io>
|
||
* This version of ByteBuffer.js uses an ArrayBuffer (AB) as its backing buffer and is compatible with modern browsers.
|
||
* Released under the Apache License, Version 2.0
|
||
* see: https://github.com/dcodeIO/ByteBuffer.js for details
|
||
*/ //
|
||
(function(global) {
|
||
"use strict";
|
||
|
||
/**
|
||
* @param {function(new: Long, number, number, boolean=)=} Long
|
||
* @returns {function(new: ByteBuffer, number=, boolean=, boolean=)}}
|
||
* @inner
|
||
*/
|
||
function loadByteBuffer(Long) {
|
||
|
||
/**
|
||
* Constructs a new ByteBuffer.
|
||
* @class The swiss army knife for binary data in JavaScript.
|
||
* @exports ByteBuffer
|
||
* @constructor
|
||
* @param {number=} capacity Initial capacity. Defaults to {@link ByteBuffer.DEFAULT_CAPACITY}.
|
||
* @param {boolean=} littleEndian Whether to use little or big endian byte order. Defaults to
|
||
* {@link ByteBuffer.DEFAULT_ENDIAN}.
|
||
* @param {boolean=} noAssert Whether to skip assertions of offsets and values. Defaults to
|
||
* {@link ByteBuffer.DEFAULT_NOASSERT}.
|
||
* @expose
|
||
*/
|
||
var ByteBuffer = function(capacity, littleEndian, noAssert) {
|
||
if (typeof capacity === 'undefined') capacity = ByteBuffer.DEFAULT_CAPACITY;
|
||
if (typeof littleEndian === 'undefined') littleEndian = ByteBuffer.DEFAULT_ENDIAN;
|
||
if (typeof noAssert === 'undefined') noAssert = ByteBuffer.DEFAULT_NOASSERT;
|
||
if (!noAssert) {
|
||
capacity = capacity | 0;
|
||
if (capacity < 0)
|
||
throw RangeError("Illegal capacity");
|
||
littleEndian = !!littleEndian;
|
||
noAssert = !!noAssert;
|
||
}
|
||
|
||
/**
|
||
* Backing buffer.
|
||
* @type {!ArrayBuffer}
|
||
* @expose
|
||
*/
|
||
this.buffer = capacity === 0 ? EMPTY_BUFFER : new ArrayBuffer(capacity);
|
||
|
||
/**
|
||
* Data view to manipulate the backing buffer. Becomes `null` if the backing buffer has a capacity of `0`.
|
||
* @type {?DataView}
|
||
* @expose
|
||
*/
|
||
this.view = capacity === 0 ? null : new DataView(this.buffer);
|
||
|
||
/**
|
||
* Absolute read/write offset.
|
||
* @type {number}
|
||
* @expose
|
||
* @see ByteBuffer#flip
|
||
* @see ByteBuffer#clear
|
||
*/
|
||
this.offset = 0;
|
||
|
||
/**
|
||
* Marked offset.
|
||
* @type {number}
|
||
* @expose
|
||
* @see ByteBuffer#mark
|
||
* @see ByteBuffer#reset
|
||
*/
|
||
this.markedOffset = -1;
|
||
|
||
/**
|
||
* Absolute limit of the contained data. Set to the backing buffer's capacity upon allocation.
|
||
* @type {number}
|
||
* @expose
|
||
* @see ByteBuffer#flip
|
||
* @see ByteBuffer#clear
|
||
*/
|
||
this.limit = capacity;
|
||
|
||
/**
|
||
* Whether to use little endian byte order, defaults to `false` for big endian.
|
||
* @type {boolean}
|
||
* @expose
|
||
*/
|
||
this.littleEndian = typeof littleEndian !== 'undefined' ? !!littleEndian : false;
|
||
|
||
/**
|
||
* Whether to skip assertions of offsets and values, defaults to `false`.
|
||
* @type {boolean}
|
||
* @expose
|
||
*/
|
||
this.noAssert = !!noAssert;
|
||
};
|
||
|
||
/**
|
||
* ByteBuffer version.
|
||
* @type {string}
|
||
* @const
|
||
* @expose
|
||
*/
|
||
ByteBuffer.VERSION = "3.5.4";
|
||
|
||
/**
|
||
* Little endian constant that can be used instead of its boolean value. Evaluates to `true`.
|
||
* @type {boolean}
|
||
* @const
|
||
* @expose
|
||
*/
|
||
ByteBuffer.LITTLE_ENDIAN = true;
|
||
|
||
/**
|
||
* Big endian constant that can be used instead of its boolean value. Evaluates to `false`.
|
||
* @type {boolean}
|
||
* @const
|
||
* @expose
|
||
*/
|
||
ByteBuffer.BIG_ENDIAN = false;
|
||
|
||
/**
|
||
* Default initial capacity of `16`.
|
||
* @type {number}
|
||
* @expose
|
||
*/
|
||
ByteBuffer.DEFAULT_CAPACITY = 16;
|
||
|
||
/**
|
||
* Default endianess of `false` for big endian.
|
||
* @type {boolean}
|
||
* @expose
|
||
*/
|
||
ByteBuffer.DEFAULT_ENDIAN = ByteBuffer.BIG_ENDIAN;
|
||
|
||
/**
|
||
* Default no assertions flag of `false`.
|
||
* @type {boolean}
|
||
* @expose
|
||
*/
|
||
ByteBuffer.DEFAULT_NOASSERT = false;
|
||
|
||
/**
|
||
* A `Long` class for representing a 64-bit two's-complement integer value. May be `null` if Long.js has not been loaded
|
||
* and int64 support is not available.
|
||
* @type {?Long}
|
||
* @const
|
||
* @see https://github.com/dcodeIO/Long.js
|
||
* @expose
|
||
*/
|
||
ByteBuffer.Long = Long || null;
|
||
|
||
/**
|
||
* @alias ByteBuffer.prototype
|
||
* @inner
|
||
*/
|
||
var ByteBufferPrototype = ByteBuffer.prototype;
|
||
|
||
// helpers
|
||
|
||
/**
|
||
* @type {!ArrayBuffer}
|
||
* @inner
|
||
*/
|
||
var EMPTY_BUFFER = new ArrayBuffer(0);
|
||
|
||
/**
|
||
* String.fromCharCode reference for compile-time renaming.
|
||
* @type {function(...number):string}
|
||
* @inner
|
||
*/
|
||
var stringFromCharCode = String.fromCharCode;
|
||
|
||
/**
|
||
* Creates a source function for a string.
|
||
* @param {string} s String to read from
|
||
* @returns {function():number|null} Source function returning the next char code respectively `null` if there are
|
||
* no more characters left.
|
||
* @throws {TypeError} If the argument is invalid
|
||
* @inner
|
||
*/
|
||
function stringSource(s) {
|
||
var i=0; return function() {
|
||
return i < s.length ? s.charCodeAt(i++) : null;
|
||
};
|
||
}
|
||
|
||
/**
|
||
* Creates a destination function for a string.
|
||
* @returns {function(number=):undefined|string} Destination function successively called with the next char code.
|
||
* Returns the final string when called without arguments.
|
||
* @inner
|
||
*/
|
||
function stringDestination() {
|
||
var cs = [], ps = []; return function() {
|
||
if (arguments.length === 0)
|
||
return ps.join('')+stringFromCharCode.apply(String, cs);
|
||
if (cs.length + arguments.length > 1024)
|
||
ps.push(stringFromCharCode.apply(String, cs)),
|
||
cs.length = 0;
|
||
Array.prototype.push.apply(cs, arguments);
|
||
};
|
||
}
|
||
|
||
/**
|
||
* Allocates a new ByteBuffer backed by a buffer of the specified capacity.
|
||
* @param {number=} capacity Initial capacity. Defaults to {@link ByteBuffer.DEFAULT_CAPACITY}.
|
||
* @param {boolean=} littleEndian Whether to use little or big endian byte order. Defaults to
|
||
* {@link ByteBuffer.DEFAULT_ENDIAN}.
|
||
* @param {boolean=} noAssert Whether to skip assertions of offsets and values. Defaults to
|
||
* {@link ByteBuffer.DEFAULT_NOASSERT}.
|
||
* @returns {!ByteBuffer}
|
||
* @expose
|
||
*/
|
||
ByteBuffer.allocate = function(capacity, littleEndian, noAssert) {
|
||
return new ByteBuffer(capacity, littleEndian, noAssert);
|
||
};
|
||
|
||
/**
|
||
* Concatenates multiple ByteBuffers into one.
|
||
* @param {!Array.<!ByteBuffer|!ArrayBuffer|!Uint8Array|string>} buffers Buffers to concatenate
|
||
* @param {(string|boolean)=} encoding String encoding if `buffers` contains a string ("base64", "hex", "binary",
|
||
* defaults to "utf8")
|
||
* @param {boolean=} littleEndian Whether to use little or big endian byte order for the resulting ByteBuffer. Defaults
|
||
* to {@link ByteBuffer.DEFAULT_ENDIAN}.
|
||
* @param {boolean=} noAssert Whether to skip assertions of offsets and values for the resulting ByteBuffer. Defaults to
|
||
* {@link ByteBuffer.DEFAULT_NOASSERT}.
|
||
* @returns {!ByteBuffer} Concatenated ByteBuffer
|
||
* @expose
|
||
*/
|
||
ByteBuffer.concat = function(buffers, encoding, littleEndian, noAssert) {
|
||
if (typeof encoding === 'boolean' || typeof encoding !== 'string') {
|
||
noAssert = littleEndian;
|
||
littleEndian = encoding;
|
||
encoding = undefined;
|
||
}
|
||
var capacity = 0;
|
||
for (var i=0, k=buffers.length, length; i<k; ++i) {
|
||
if (!ByteBuffer.isByteBuffer(buffers[i]))
|
||
buffers[i] = ByteBuffer.wrap(buffers[i], encoding);
|
||
length = buffers[i].limit - buffers[i].offset;
|
||
if (length > 0) capacity += length;
|
||
}
|
||
if (capacity === 0)
|
||
return new ByteBuffer(0, littleEndian, noAssert);
|
||
var bb = new ByteBuffer(capacity, littleEndian, noAssert),
|
||
bi;
|
||
var view = new Uint8Array(bb.buffer);
|
||
i=0; while (i<k) {
|
||
bi = buffers[i++];
|
||
length = bi.limit - bi.offset;
|
||
if (length <= 0) continue;
|
||
view.set(new Uint8Array(bi.buffer).subarray(bi.offset, bi.limit), bb.offset);
|
||
bb.offset += length;
|
||
}
|
||
bb.limit = bb.offset;
|
||
bb.offset = 0;
|
||
return bb;
|
||
};
|
||
|
||
/**
|
||
* Tests if the specified type is a ByteBuffer.
|
||
* @param {*} bb ByteBuffer to test
|
||
* @returns {boolean} `true` if it is a ByteBuffer, otherwise `false`
|
||
* @expose
|
||
*/
|
||
ByteBuffer.isByteBuffer = function(bb) {
|
||
return (bb && bb instanceof ByteBuffer) === true;
|
||
};
|
||
/**
|
||
* Gets the backing buffer type.
|
||
* @returns {Function} `Buffer` for NB builds, `ArrayBuffer` for AB builds (classes)
|
||
* @expose
|
||
*/
|
||
ByteBuffer.type = function() {
|
||
return ArrayBuffer;
|
||
};
|
||
|
||
/**
|
||
* Wraps a buffer or a string. Sets the allocated ByteBuffer's {@link ByteBuffer#offset} to `0` and its
|
||
* {@link ByteBuffer#limit} to the length of the wrapped data.
|
||
* @param {!ByteBuffer|!ArrayBuffer|!Uint8Array|string|!Array.<number>} buffer Anything that can be wrapped
|
||
* @param {(string|boolean)=} encoding String encoding if `buffer` is a string ("base64", "hex", "binary", defaults to
|
||
* "utf8")
|
||
* @param {boolean=} littleEndian Whether to use little or big endian byte order. Defaults to
|
||
* {@link ByteBuffer.DEFAULT_ENDIAN}.
|
||
* @param {boolean=} noAssert Whether to skip assertions of offsets and values. Defaults to
|
||
* {@link ByteBuffer.DEFAULT_NOASSERT}.
|
||
* @returns {!ByteBuffer} A ByteBuffer wrapping `buffer`
|
||
* @expose
|
||
*/
|
||
ByteBuffer.wrap = function(buffer, encoding, littleEndian, noAssert) {
|
||
if (typeof encoding !== 'string') {
|
||
noAssert = littleEndian;
|
||
littleEndian = encoding;
|
||
encoding = undefined;
|
||
}
|
||
if (typeof buffer === 'string') {
|
||
if (typeof encoding === 'undefined')
|
||
encoding = "utf8";
|
||
switch (encoding) {
|
||
case "base64":
|
||
return ByteBuffer.fromBase64(buffer, littleEndian);
|
||
case "hex":
|
||
return ByteBuffer.fromHex(buffer, littleEndian);
|
||
case "binary":
|
||
return ByteBuffer.fromBinary(buffer, littleEndian);
|
||
case "utf8":
|
||
return ByteBuffer.fromUTF8(buffer, littleEndian);
|
||
case "debug":
|
||
return ByteBuffer.fromDebug(buffer, littleEndian);
|
||
default:
|
||
throw Error("Unsupported encoding: "+encoding);
|
||
}
|
||
}
|
||
if (buffer === null || typeof buffer !== 'object')
|
||
throw TypeError("Illegal buffer");
|
||
var bb;
|
||
if (ByteBuffer.isByteBuffer(buffer)) {
|
||
bb = ByteBufferPrototype.clone.call(buffer);
|
||
bb.markedOffset = -1;
|
||
return bb;
|
||
}
|
||
if (buffer instanceof Uint8Array) { // Extract ArrayBuffer from Uint8Array
|
||
bb = new ByteBuffer(0, littleEndian, noAssert);
|
||
if (buffer.length > 0) { // Avoid references to more than one EMPTY_BUFFER
|
||
bb.buffer = buffer.buffer;
|
||
bb.offset = buffer.byteOffset;
|
||
bb.limit = buffer.byteOffset + buffer.length;
|
||
bb.view = buffer.length > 0 ? new DataView(buffer.buffer) : null;
|
||
}
|
||
} else if (buffer instanceof ArrayBuffer) { // Reuse ArrayBuffer
|
||
bb = new ByteBuffer(0, littleEndian, noAssert);
|
||
if (buffer.byteLength > 0) {
|
||
bb.buffer = buffer;
|
||
bb.offset = 0;
|
||
bb.limit = buffer.byteLength;
|
||
bb.view = buffer.byteLength > 0 ? new DataView(buffer) : null;
|
||
}
|
||
} else if (Object.prototype.toString.call(buffer) === "[object Array]") { // Create from octets
|
||
bb = new ByteBuffer(buffer.length, littleEndian, noAssert);
|
||
bb.limit = buffer.length;
|
||
for (i=0; i<buffer.length; ++i)
|
||
bb.view.setUint8(i, buffer[i]);
|
||
} else
|
||
throw TypeError("Illegal buffer"); // Otherwise fail
|
||
return bb;
|
||
};
|
||
|
||
// types/ints/int8
|
||
|
||
/**
|
||
* Writes an 8bit signed integer.
|
||
* @param {number} value Value to write
|
||
* @param {number=} offset Offset to write to. Will use and advance {@link ByteBuffer#offset} by `1` if omitted.
|
||
* @returns {!ByteBuffer} this
|
||
* @expose
|
||
*/
|
||
ByteBufferPrototype.writeInt8 = function(value, offset) {
|
||
var relative = typeof offset === 'undefined';
|
||
if (relative) offset = this.offset;
|
||
if (!this.noAssert) {
|
||
if (typeof value !== 'number' || value % 1 !== 0)
|
||
throw TypeError("Illegal value: "+value+" (not an integer)");
|
||
value |= 0;
|
||
if (typeof offset !== 'number' || offset % 1 !== 0)
|
||
throw TypeError("Illegal offset: "+offset+" (not an integer)");
|
||
offset >>>= 0;
|
||
if (offset < 0 || offset + 0 > this.buffer.byteLength)
|
||
throw RangeError("Illegal offset: 0 <= "+offset+" (+"+0+") <= "+this.buffer.byteLength);
|
||
}
|
||
offset += 1;
|
||
var capacity0 = this.buffer.byteLength;
|
||
if (offset > capacity0)
|
||
this.resize((capacity0 *= 2) > offset ? capacity0 : offset);
|
||
offset -= 1;
|
||
this.view.setInt8(offset, value);
|
||
if (relative) this.offset += 1;
|
||
return this;
|
||
};
|
||
|
||
/**
|
||
* Writes an 8bit signed integer. This is an alias of {@link ByteBuffer#writeInt8}.
|
||
* @function
|
||
* @param {number} value Value to write
|
||
* @param {number=} offset Offset to write to. Will use and advance {@link ByteBuffer#offset} by `1` if omitted.
|
||
* @returns {!ByteBuffer} this
|
||
* @expose
|
||
*/
|
||
ByteBufferPrototype.writeByte = ByteBufferPrototype.writeInt8;
|
||
|
||
/**
|
||
* Reads an 8bit signed integer.
|
||
* @param {number=} offset Offset to read from. Will use and advance {@link ByteBuffer#offset} by `1` if omitted.
|
||
* @returns {number} Value read
|
||
* @expose
|
||
*/
|
||
ByteBufferPrototype.readInt8 = function(offset) {
|
||
var relative = typeof offset === 'undefined';
|
||
if (relative) offset = this.offset;
|
||
if (!this.noAssert) {
|
||
if (typeof offset !== 'number' || offset % 1 !== 0)
|
||
throw TypeError("Illegal offset: "+offset+" (not an integer)");
|
||
offset >>>= 0;
|
||
if (offset < 0 || offset + 1 > this.buffer.byteLength)
|
||
throw RangeError("Illegal offset: 0 <= "+offset+" (+"+1+") <= "+this.buffer.byteLength);
|
||
}
|
||
var value = this.view.getInt8(offset);
|
||
if (relative) this.offset += 1;
|
||
return value;
|
||
};
|
||
|
||
/**
|
||
* Reads an 8bit signed integer. This is an alias of {@link ByteBuffer#readInt8}.
|
||
* @function
|
||
* @param {number=} offset Offset to read from. Will use and advance {@link ByteBuffer#offset} by `1` if omitted.
|
||
* @returns {number} Value read
|
||
* @expose
|
||
*/
|
||
ByteBufferPrototype.readByte = ByteBufferPrototype.readInt8;
|
||
|
||
/**
|
||
* Writes an 8bit unsigned integer.
|
||
* @param {number} value Value to write
|
||
* @param {number=} offset Offset to write to. Will use and advance {@link ByteBuffer#offset} by `1` if omitted.
|
||
* @returns {!ByteBuffer} this
|
||
* @expose
|
||
*/
|
||
ByteBufferPrototype.writeUint8 = function(value, offset) {
|
||
var relative = typeof offset === 'undefined';
|
||
if (relative) offset = this.offset;
|
||
if (!this.noAssert) {
|
||
if (typeof value !== 'number' || value % 1 !== 0)
|
||
throw TypeError("Illegal value: "+value+" (not an integer)");
|
||
value >>>= 0;
|
||
if (typeof offset !== 'number' || offset % 1 !== 0)
|
||
throw TypeError("Illegal offset: "+offset+" (not an integer)");
|
||
offset >>>= 0;
|
||
if (offset < 0 || offset + 0 > this.buffer.byteLength)
|
||
throw RangeError("Illegal offset: 0 <= "+offset+" (+"+0+") <= "+this.buffer.byteLength);
|
||
}
|
||
offset += 1;
|
||
var capacity1 = this.buffer.byteLength;
|
||
if (offset > capacity1)
|
||
this.resize((capacity1 *= 2) > offset ? capacity1 : offset);
|
||
offset -= 1;
|
||
this.view.setUint8(offset, value);
|
||
if (relative) this.offset += 1;
|
||
return this;
|
||
};
|
||
|
||
/**
|
||
* Reads an 8bit unsigned integer.
|
||
* @param {number=} offset Offset to read from. Will use and advance {@link ByteBuffer#offset} by `1` if omitted.
|
||
* @returns {number} Value read
|
||
* @expose
|
||
*/
|
||
ByteBufferPrototype.readUint8 = function(offset) {
|
||
var relative = typeof offset === 'undefined';
|
||
if (relative) offset = this.offset;
|
||
if (!this.noAssert) {
|
||
if (typeof offset !== 'number' || offset % 1 !== 0)
|
||
throw TypeError("Illegal offset: "+offset+" (not an integer)");
|
||
offset >>>= 0;
|
||
if (offset < 0 || offset + 1 > this.buffer.byteLength)
|
||
throw RangeError("Illegal offset: 0 <= "+offset+" (+"+1+") <= "+this.buffer.byteLength);
|
||
}
|
||
var value = this.view.getUint8(offset);
|
||
if (relative) this.offset += 1;
|
||
return value;
|
||
};
|
||
|
||
// types/ints/int16
|
||
|
||
/**
|
||
* Writes a 16bit signed integer.
|
||
* @param {number} value Value to write
|
||
* @param {number=} offset Offset to write to. Will use and advance {@link ByteBuffer#offset} by `2` if omitted.
|
||
* @throws {TypeError} If `offset` or `value` is not a valid number
|
||
* @throws {RangeError} If `offset` is out of bounds
|
||
* @expose
|
||
*/
|
||
ByteBufferPrototype.writeInt16 = function(value, offset) {
|
||
var relative = typeof offset === 'undefined';
|
||
if (relative) offset = this.offset;
|
||
if (!this.noAssert) {
|
||
if (typeof value !== 'number' || value % 1 !== 0)
|
||
throw TypeError("Illegal value: "+value+" (not an integer)");
|
||
value |= 0;
|
||
if (typeof offset !== 'number' || offset % 1 !== 0)
|
||
throw TypeError("Illegal offset: "+offset+" (not an integer)");
|
||
offset >>>= 0;
|
||
if (offset < 0 || offset + 0 > this.buffer.byteLength)
|
||
throw RangeError("Illegal offset: 0 <= "+offset+" (+"+0+") <= "+this.buffer.byteLength);
|
||
}
|
||
offset += 2;
|
||
var capacity2 = this.buffer.byteLength;
|
||
if (offset > capacity2)
|
||
this.resize((capacity2 *= 2) > offset ? capacity2 : offset);
|
||
offset -= 2;
|
||
this.view.setInt16(offset, value, this.littleEndian);
|
||
if (relative) this.offset += 2;
|
||
return this;
|
||
};
|
||
|
||
/**
|
||
* Writes a 16bit signed integer. This is an alias of {@link ByteBuffer#writeInt16}.
|
||
* @function
|
||
* @param {number} value Value to write
|
||
* @param {number=} offset Offset to write to. Will use and advance {@link ByteBuffer#offset} by `2` if omitted.
|
||
* @throws {TypeError} If `offset` or `value` is not a valid number
|
||
* @throws {RangeError} If `offset` is out of bounds
|
||
* @expose
|
||
*/
|
||
ByteBufferPrototype.writeShort = ByteBufferPrototype.writeInt16;
|
||
|
||
/**
|
||
* Reads a 16bit signed integer.
|
||
* @param {number=} offset Offset to read from. Will use and advance {@link ByteBuffer#offset} by `2` if omitted.
|
||
* @returns {number} Value read
|
||
* @throws {TypeError} If `offset` is not a valid number
|
||
* @throws {RangeError} If `offset` is out of bounds
|
||
* @expose
|
||
*/
|
||
ByteBufferPrototype.readInt16 = function(offset) {
|
||
var relative = typeof offset === 'undefined';
|
||
if (relative) offset = this.offset;
|
||
if (!this.noAssert) {
|
||
if (typeof offset !== 'number' || offset % 1 !== 0)
|
||
throw TypeError("Illegal offset: "+offset+" (not an integer)");
|
||
offset >>>= 0;
|
||
if (offset < 0 || offset + 2 > this.buffer.byteLength)
|
||
throw RangeError("Illegal offset: 0 <= "+offset+" (+"+2+") <= "+this.buffer.byteLength);
|
||
}
|
||
var value = this.view.getInt16(offset, this.littleEndian);
|
||
if (relative) this.offset += 2;
|
||
return value;
|
||
};
|
||
|
||
/**
|
||
* Reads a 16bit signed integer. This is an alias of {@link ByteBuffer#readInt16}.
|
||
* @function
|
||
* @param {number=} offset Offset to read from. Will use and advance {@link ByteBuffer#offset} by `2` if omitted.
|
||
* @returns {number} Value read
|
||
* @throws {TypeError} If `offset` is not a valid number
|
||
* @throws {RangeError} If `offset` is out of bounds
|
||
* @expose
|
||
*/
|
||
ByteBufferPrototype.readShort = ByteBufferPrototype.readInt16;
|
||
|
||
/**
|
||
* Writes a 16bit unsigned integer.
|
||
* @param {number} value Value to write
|
||
* @param {number=} offset Offset to write to. Will use and advance {@link ByteBuffer#offset} by `2` if omitted.
|
||
* @throws {TypeError} If `offset` or `value` is not a valid number
|
||
* @throws {RangeError} If `offset` is out of bounds
|
||
* @expose
|
||
*/
|
||
ByteBufferPrototype.writeUint16 = function(value, offset) {
|
||
var relative = typeof offset === 'undefined';
|
||
if (relative) offset = this.offset;
|
||
if (!this.noAssert) {
|
||
if (typeof value !== 'number' || value % 1 !== 0)
|
||
throw TypeError("Illegal value: "+value+" (not an integer)");
|
||
value >>>= 0;
|
||
if (typeof offset !== 'number' || offset % 1 !== 0)
|
||
throw TypeError("Illegal offset: "+offset+" (not an integer)");
|
||
offset >>>= 0;
|
||
if (offset < 0 || offset + 0 > this.buffer.byteLength)
|
||
throw RangeError("Illegal offset: 0 <= "+offset+" (+"+0+") <= "+this.buffer.byteLength);
|
||
}
|
||
offset += 2;
|
||
var capacity3 = this.buffer.byteLength;
|
||
if (offset > capacity3)
|
||
this.resize((capacity3 *= 2) > offset ? capacity3 : offset);
|
||
offset -= 2;
|
||
this.view.setUint16(offset, value, this.littleEndian);
|
||
if (relative) this.offset += 2;
|
||
return this;
|
||
};
|
||
|
||
/**
|
||
* Reads a 16bit unsigned integer.
|
||
* @param {number=} offset Offset to read from. Will use and advance {@link ByteBuffer#offset} by `2` if omitted.
|
||
* @returns {number} Value read
|
||
* @throws {TypeError} If `offset` is not a valid number
|
||
* @throws {RangeError} If `offset` is out of bounds
|
||
* @expose
|
||
*/
|
||
ByteBufferPrototype.readUint16 = function(offset) {
|
||
var relative = typeof offset === 'undefined';
|
||
if (relative) offset = this.offset;
|
||
if (!this.noAssert) {
|
||
if (typeof offset !== 'number' || offset % 1 !== 0)
|
||
throw TypeError("Illegal offset: "+offset+" (not an integer)");
|
||
offset >>>= 0;
|
||
if (offset < 0 || offset + 2 > this.buffer.byteLength)
|
||
throw RangeError("Illegal offset: 0 <= "+offset+" (+"+2+") <= "+this.buffer.byteLength);
|
||
}
|
||
var value = this.view.getUint16(offset, this.littleEndian);
|
||
if (relative) this.offset += 2;
|
||
return value;
|
||
};
|
||
|
||
// types/ints/int32
|
||
|
||
/**
|
||
* Writes a 32bit signed integer.
|
||
* @param {number} value Value to write
|
||
* @param {number=} offset Offset to write to. Will use and increase {@link ByteBuffer#offset} by `4` if omitted.
|
||
* @expose
|
||
*/
|
||
ByteBufferPrototype.writeInt32 = function(value, offset) {
|
||
var relative = typeof offset === 'undefined';
|
||
if (relative) offset = this.offset;
|
||
if (!this.noAssert) {
|
||
if (typeof value !== 'number' || value % 1 !== 0)
|
||
throw TypeError("Illegal value: "+value+" (not an integer)");
|
||
value |= 0;
|
||
if (typeof offset !== 'number' || offset % 1 !== 0)
|
||
throw TypeError("Illegal offset: "+offset+" (not an integer)");
|
||
offset >>>= 0;
|
||
if (offset < 0 || offset + 0 > this.buffer.byteLength)
|
||
throw RangeError("Illegal offset: 0 <= "+offset+" (+"+0+") <= "+this.buffer.byteLength);
|
||
}
|
||
offset += 4;
|
||
var capacity4 = this.buffer.byteLength;
|
||
if (offset > capacity4)
|
||
this.resize((capacity4 *= 2) > offset ? capacity4 : offset);
|
||
offset -= 4;
|
||
this.view.setInt32(offset, value, this.littleEndian);
|
||
if (relative) this.offset += 4;
|
||
return this;
|
||
};
|
||
|
||
/**
|
||
* Writes a 32bit signed integer. This is an alias of {@link ByteBuffer#writeInt32}.
|
||
* @param {number} value Value to write
|
||
* @param {number=} offset Offset to write to. Will use and increase {@link ByteBuffer#offset} by `4` if omitted.
|
||
* @expose
|
||
*/
|
||
ByteBufferPrototype.writeInt = ByteBufferPrototype.writeInt32;
|
||
|
||
/**
|
||
* Reads a 32bit signed integer.
|
||
* @param {number=} offset Offset to read from. Will use and increase {@link ByteBuffer#offset} by `4` if omitted.
|
||
* @returns {number} Value read
|
||
* @expose
|
||
*/
|
||
ByteBufferPrototype.readInt32 = function(offset) {
|
||
var relative = typeof offset === 'undefined';
|
||
if (relative) offset = this.offset;
|
||
if (!this.noAssert) {
|
||
if (typeof offset !== 'number' || offset % 1 !== 0)
|
||
throw TypeError("Illegal offset: "+offset+" (not an integer)");
|
||
offset >>>= 0;
|
||
if (offset < 0 || offset + 4 > this.buffer.byteLength)
|
||
throw RangeError("Illegal offset: 0 <= "+offset+" (+"+4+") <= "+this.buffer.byteLength);
|
||
}
|
||
var value = this.view.getInt32(offset, this.littleEndian);
|
||
if (relative) this.offset += 4;
|
||
return value;
|
||
};
|
||
|
||
/**
|
||
* Reads a 32bit signed integer. This is an alias of {@link ByteBuffer#readInt32}.
|
||
* @param {number=} offset Offset to read from. Will use and advance {@link ByteBuffer#offset} by `4` if omitted.
|
||
* @returns {number} Value read
|
||
* @expose
|
||
*/
|
||
ByteBufferPrototype.readInt = ByteBufferPrototype.readInt32;
|
||
|
||
/**
|
||
* Writes a 32bit unsigned integer.
|
||
* @param {number} value Value to write
|
||
* @param {number=} offset Offset to write to. Will use and increase {@link ByteBuffer#offset} by `4` if omitted.
|
||
* @expose
|
||
*/
|
||
ByteBufferPrototype.writeUint32 = function(value, offset) {
|
||
var relative = typeof offset === 'undefined';
|
||
if (relative) offset = this.offset;
|
||
if (!this.noAssert) {
|
||
if (typeof value !== 'number' || value % 1 !== 0)
|
||
throw TypeError("Illegal value: "+value+" (not an integer)");
|
||
value >>>= 0;
|
||
if (typeof offset !== 'number' || offset % 1 !== 0)
|
||
throw TypeError("Illegal offset: "+offset+" (not an integer)");
|
||
offset >>>= 0;
|
||
if (offset < 0 || offset + 0 > this.buffer.byteLength)
|
||
throw RangeError("Illegal offset: 0 <= "+offset+" (+"+0+") <= "+this.buffer.byteLength);
|
||
}
|
||
offset += 4;
|
||
var capacity5 = this.buffer.byteLength;
|
||
if (offset > capacity5)
|
||
this.resize((capacity5 *= 2) > offset ? capacity5 : offset);
|
||
offset -= 4;
|
||
this.view.setUint32(offset, value, this.littleEndian);
|
||
if (relative) this.offset += 4;
|
||
return this;
|
||
};
|
||
|
||
/**
|
||
* Reads a 32bit unsigned integer.
|
||
* @param {number=} offset Offset to read from. Will use and increase {@link ByteBuffer#offset} by `4` if omitted.
|
||
* @returns {number} Value read
|
||
* @expose
|
||
*/
|
||
ByteBufferPrototype.readUint32 = function(offset) {
|
||
var relative = typeof offset === 'undefined';
|
||
if (relative) offset = this.offset;
|
||
if (!this.noAssert) {
|
||
if (typeof offset !== 'number' || offset % 1 !== 0)
|
||
throw TypeError("Illegal offset: "+offset+" (not an integer)");
|
||
offset >>>= 0;
|
||
if (offset < 0 || offset + 4 > this.buffer.byteLength)
|
||
throw RangeError("Illegal offset: 0 <= "+offset+" (+"+4+") <= "+this.buffer.byteLength);
|
||
}
|
||
var value = this.view.getUint32(offset, this.littleEndian);
|
||
if (relative) this.offset += 4;
|
||
return value;
|
||
};
|
||
|
||
// types/ints/int64
|
||
|
||
if (Long) {
|
||
|
||
/**
|
||
* Writes a 64bit signed integer.
|
||
* @param {number|!Long} value Value to write
|
||
* @param {number=} offset Offset to write to. Will use and increase {@link ByteBuffer#offset} by `8` if omitted.
|
||
* @returns {!ByteBuffer} this
|
||
* @expose
|
||
*/
|
||
ByteBufferPrototype.writeInt64 = function(value, offset) {
|
||
var relative = typeof offset === 'undefined';
|
||
if (relative) offset = this.offset;
|
||
if (!this.noAssert) {
|
||
if (typeof value === 'number')
|
||
value = Long.fromNumber(value);
|
||
else if (!(value && value instanceof Long))
|
||
throw TypeError("Illegal value: "+value+" (not an integer or Long)");
|
||
if (typeof offset !== 'number' || offset % 1 !== 0)
|
||
throw TypeError("Illegal offset: "+offset+" (not an integer)");
|
||
offset >>>= 0;
|
||
if (offset < 0 || offset + 0 > this.buffer.byteLength)
|
||
throw RangeError("Illegal offset: 0 <= "+offset+" (+"+0+") <= "+this.buffer.byteLength);
|
||
}
|
||
if (typeof value === 'number')
|
||
value = Long.fromNumber(value);
|
||
offset += 8;
|
||
var capacity6 = this.buffer.byteLength;
|
||
if (offset > capacity6)
|
||
this.resize((capacity6 *= 2) > offset ? capacity6 : offset);
|
||
offset -= 8;
|
||
if (this.littleEndian) {
|
||
this.view.setInt32(offset , value.low , true);
|
||
this.view.setInt32(offset+4, value.high, true);
|
||
} else {
|
||
this.view.setInt32(offset , value.high, false);
|
||
this.view.setInt32(offset+4, value.low , false);
|
||
}
|
||
if (relative) this.offset += 8;
|
||
return this;
|
||
};
|
||
|
||
/**
|
||
* Writes a 64bit signed integer. This is an alias of {@link ByteBuffer#writeInt64}.
|
||
* @param {number|!Long} value Value to write
|
||
* @param {number=} offset Offset to write to. Will use and increase {@link ByteBuffer#offset} by `8` if omitted.
|
||
* @returns {!ByteBuffer} this
|
||
* @expose
|
||
*/
|
||
ByteBufferPrototype.writeLong = ByteBufferPrototype.writeInt64;
|
||
|
||
/**
|
||
* Reads a 64bit signed integer.
|
||
* @param {number=} offset Offset to read from. Will use and increase {@link ByteBuffer#offset} by `8` if omitted.
|
||
* @returns {!Long}
|
||
* @expose
|
||
*/
|
||
ByteBufferPrototype.readInt64 = function(offset) {
|
||
var relative = typeof offset === 'undefined';
|
||
if (relative) offset = this.offset;
|
||
if (!this.noAssert) {
|
||
if (typeof offset !== 'number' || offset % 1 !== 0)
|
||
throw TypeError("Illegal offset: "+offset+" (not an integer)");
|
||
offset >>>= 0;
|
||
if (offset < 0 || offset + 8 > this.buffer.byteLength)
|
||
throw RangeError("Illegal offset: 0 <= "+offset+" (+"+8+") <= "+this.buffer.byteLength);
|
||
}
|
||
var value = this.littleEndian
|
||
? new Long(this.view.getInt32(offset , true ), this.view.getInt32(offset+4, true ), false)
|
||
: new Long(this.view.getInt32(offset+4, false), this.view.getInt32(offset , false), false);
|
||
if (relative) this.offset += 8;
|
||
return value;
|
||
};
|
||
|
||
/**
|
||
* Reads a 64bit signed integer. This is an alias of {@link ByteBuffer#readInt64}.
|
||
* @param {number=} offset Offset to read from. Will use and increase {@link ByteBuffer#offset} by `8` if omitted.
|
||
* @returns {!Long}
|
||
* @expose
|
||
*/
|
||
ByteBufferPrototype.readLong = ByteBufferPrototype.readInt64;
|
||
|
||
/**
|
||
* Writes a 64bit unsigned integer.
|
||
* @param {number|!Long} value Value to write
|
||
* @param {number=} offset Offset to write to. Will use and increase {@link ByteBuffer#offset} by `8` if omitted.
|
||
* @returns {!ByteBuffer} this
|
||
* @expose
|
||
*/
|
||
ByteBufferPrototype.writeUint64 = function(value, offset) {
|
||
var relative = typeof offset === 'undefined';
|
||
if (relative) offset = this.offset;
|
||
if (!this.noAssert) {
|
||
if (typeof value === 'number')
|
||
value = Long.fromNumber(value);
|
||
else if (!(value && value instanceof Long))
|
||
throw TypeError("Illegal value: "+value+" (not an integer or Long)");
|
||
if (typeof offset !== 'number' || offset % 1 !== 0)
|
||
throw TypeError("Illegal offset: "+offset+" (not an integer)");
|
||
offset >>>= 0;
|
||
if (offset < 0 || offset + 0 > this.buffer.byteLength)
|
||
throw RangeError("Illegal offset: 0 <= "+offset+" (+"+0+") <= "+this.buffer.byteLength);
|
||
}
|
||
if (typeof value === 'number')
|
||
value = Long.fromNumber(value);
|
||
offset += 8;
|
||
var capacity7 = this.buffer.byteLength;
|
||
if (offset > capacity7)
|
||
this.resize((capacity7 *= 2) > offset ? capacity7 : offset);
|
||
offset -= 8;
|
||
if (this.littleEndian) {
|
||
this.view.setInt32(offset , value.low , true);
|
||
this.view.setInt32(offset+4, value.high, true);
|
||
} else {
|
||
this.view.setInt32(offset , value.high, false);
|
||
this.view.setInt32(offset+4, value.low , false);
|
||
}
|
||
if (relative) this.offset += 8;
|
||
return this;
|
||
};
|
||
|
||
/**
|
||
* Reads a 64bit unsigned integer.
|
||
* @param {number=} offset Offset to read from. Will use and increase {@link ByteBuffer#offset} by `8` if omitted.
|
||
* @returns {!Long}
|
||
* @expose
|
||
*/
|
||
ByteBufferPrototype.readUint64 = function(offset) {
|
||
var relative = typeof offset === 'undefined';
|
||
if (relative) offset = this.offset;
|
||
if (!this.noAssert) {
|
||
if (typeof offset !== 'number' || offset % 1 !== 0)
|
||
throw TypeError("Illegal offset: "+offset+" (not an integer)");
|
||
offset >>>= 0;
|
||
if (offset < 0 || offset + 8 > this.buffer.byteLength)
|
||
throw RangeError("Illegal offset: 0 <= "+offset+" (+"+8+") <= "+this.buffer.byteLength);
|
||
}
|
||
var value = this.littleEndian
|
||
? new Long(this.view.getInt32(offset , true ), this.view.getInt32(offset+4, true ), true)
|
||
: new Long(this.view.getInt32(offset+4, false), this.view.getInt32(offset , false), true);
|
||
if (relative) this.offset += 8;
|
||
return value;
|
||
};
|
||
|
||
} // Long
|
||
|
||
|
||
// types/floats/float32
|
||
|
||
/**
|
||
* Writes a 32bit float.
|
||
* @param {number} value Value to write
|
||
* @param {number=} offset Offset to write to. Will use and increase {@link ByteBuffer#offset} by `4` if omitted.
|
||
* @returns {!ByteBuffer} this
|
||
* @expose
|
||
*/
|
||
ByteBufferPrototype.writeFloat32 = function(value, offset) {
|
||
var relative = typeof offset === 'undefined';
|
||
if (relative) offset = this.offset;
|
||
if (!this.noAssert) {
|
||
if (typeof value !== 'number')
|
||
throw TypeError("Illegal value: "+value+" (not a number)");
|
||
if (typeof offset !== 'number' || offset % 1 !== 0)
|
||
throw TypeError("Illegal offset: "+offset+" (not an integer)");
|
||
offset >>>= 0;
|
||
if (offset < 0 || offset + 0 > this.buffer.byteLength)
|
||
throw RangeError("Illegal offset: 0 <= "+offset+" (+"+0+") <= "+this.buffer.byteLength);
|
||
}
|
||
offset += 4;
|
||
var capacity8 = this.buffer.byteLength;
|
||
if (offset > capacity8)
|
||
this.resize((capacity8 *= 2) > offset ? capacity8 : offset);
|
||
offset -= 4;
|
||
this.view.setFloat32(offset, value, this.littleEndian);
|
||
if (relative) this.offset += 4;
|
||
return this;
|
||
};
|
||
|
||
/**
|
||
* Writes a 32bit float. This is an alias of {@link ByteBuffer#writeFloat32}.
|
||
* @function
|
||
* @param {number} value Value to write
|
||
* @param {number=} offset Offset to write to. Will use and increase {@link ByteBuffer#offset} by `4` if omitted.
|
||
* @returns {!ByteBuffer} this
|
||
* @expose
|
||
*/
|
||
ByteBufferPrototype.writeFloat = ByteBufferPrototype.writeFloat32;
|
||
|
||
/**
|
||
* Reads a 32bit float.
|
||
* @param {number=} offset Offset to read from. Will use and increase {@link ByteBuffer#offset} by `4` if omitted.
|
||
* @returns {number}
|
||
* @expose
|
||
*/
|
||
ByteBufferPrototype.readFloat32 = function(offset) {
|
||
var relative = typeof offset === 'undefined';
|
||
if (relative) offset = this.offset;
|
||
if (!this.noAssert) {
|
||
if (typeof offset !== 'number' || offset % 1 !== 0)
|
||
throw TypeError("Illegal offset: "+offset+" (not an integer)");
|
||
offset >>>= 0;
|
||
if (offset < 0 || offset + 4 > this.buffer.byteLength)
|
||
throw RangeError("Illegal offset: 0 <= "+offset+" (+"+4+") <= "+this.buffer.byteLength);
|
||
}
|
||
var value = this.view.getFloat32(offset, this.littleEndian);
|
||
if (relative) this.offset += 4;
|
||
return value;
|
||
};
|
||
|
||
/**
|
||
* Reads a 32bit float. This is an alias of {@link ByteBuffer#readFloat32}.
|
||
* @function
|
||
* @param {number=} offset Offset to read from. Will use and increase {@link ByteBuffer#offset} by `4` if omitted.
|
||
* @returns {number}
|
||
* @expose
|
||
*/
|
||
ByteBufferPrototype.readFloat = ByteBufferPrototype.readFloat32;
|
||
|
||
// types/floats/float64
|
||
|
||
/**
|
||
* Writes a 64bit float.
|
||
* @param {number} value Value to write
|
||
* @param {number=} offset Offset to write to. Will use and increase {@link ByteBuffer#offset} by `8` if omitted.
|
||
* @returns {!ByteBuffer} this
|
||
* @expose
|
||
*/
|
||
ByteBufferPrototype.writeFloat64 = function(value, offset) {
|
||
var relative = typeof offset === 'undefined';
|
||
if (relative) offset = this.offset;
|
||
if (!this.noAssert) {
|
||
if (typeof value !== 'number')
|
||
throw TypeError("Illegal value: "+value+" (not a number)");
|
||
if (typeof offset !== 'number' || offset % 1 !== 0)
|
||
throw TypeError("Illegal offset: "+offset+" (not an integer)");
|
||
offset >>>= 0;
|
||
if (offset < 0 || offset + 0 > this.buffer.byteLength)
|
||
throw RangeError("Illegal offset: 0 <= "+offset+" (+"+0+") <= "+this.buffer.byteLength);
|
||
}
|
||
offset += 8;
|
||
var capacity9 = this.buffer.byteLength;
|
||
if (offset > capacity9)
|
||
this.resize((capacity9 *= 2) > offset ? capacity9 : offset);
|
||
offset -= 8;
|
||
this.view.setFloat64(offset, value, this.littleEndian);
|
||
if (relative) this.offset += 8;
|
||
return this;
|
||
};
|
||
|
||
/**
|
||
* Writes a 64bit float. This is an alias of {@link ByteBuffer#writeFloat64}.
|
||
* @function
|
||
* @param {number} value Value to write
|
||
* @param {number=} offset Offset to write to. Will use and increase {@link ByteBuffer#offset} by `8` if omitted.
|
||
* @returns {!ByteBuffer} this
|
||
* @expose
|
||
*/
|
||
ByteBufferPrototype.writeDouble = ByteBufferPrototype.writeFloat64;
|
||
|
||
/**
|
||
* Reads a 64bit float.
|
||
* @param {number=} offset Offset to read from. Will use and increase {@link ByteBuffer#offset} by `8` if omitted.
|
||
* @returns {number}
|
||
* @expose
|
||
*/
|
||
ByteBufferPrototype.readFloat64 = function(offset) {
|
||
var relative = typeof offset === 'undefined';
|
||
if (relative) offset = this.offset;
|
||
if (!this.noAssert) {
|
||
if (typeof offset !== 'number' || offset % 1 !== 0)
|
||
throw TypeError("Illegal offset: "+offset+" (not an integer)");
|
||
offset >>>= 0;
|
||
if (offset < 0 || offset + 8 > this.buffer.byteLength)
|
||
throw RangeError("Illegal offset: 0 <= "+offset+" (+"+8+") <= "+this.buffer.byteLength);
|
||
}
|
||
var value = this.view.getFloat64(offset, this.littleEndian);
|
||
if (relative) this.offset += 8;
|
||
return value;
|
||
};
|
||
|
||
/**
|
||
* Reads a 64bit float. This is an alias of {@link ByteBuffer#readFloat64}.
|
||
* @function
|
||
* @param {number=} offset Offset to read from. Will use and increase {@link ByteBuffer#offset} by `8` if omitted.
|
||
* @returns {number}
|
||
* @expose
|
||
*/
|
||
ByteBufferPrototype.readDouble = ByteBufferPrototype.readFloat64;
|
||
|
||
|
||
// types/varints/varint32
|
||
|
||
/**
|
||
* Maximum number of bytes required to store a 32bit base 128 variable-length integer.
|
||
* @type {number}
|
||
* @const
|
||
* @expose
|
||
*/
|
||
ByteBuffer.MAX_VARINT32_BYTES = 5;
|
||
|
||
/**
|
||
* Calculates the actual number of bytes required to store a 32bit base 128 variable-length integer.
|
||
* @param {number} value Value to encode
|
||
* @returns {number} Number of bytes required. Capped to {@link ByteBuffer.MAX_VARINT32_BYTES}
|
||
* @expose
|
||
*/
|
||
ByteBuffer.calculateVarint32 = function(value) {
|
||
// ref: src/google/protobuf/io/coded_stream.cc
|
||
value = value >>> 0;
|
||
if (value < 1 << 7 ) return 1;
|
||
else if (value < 1 << 14) return 2;
|
||
else if (value < 1 << 21) return 3;
|
||
else if (value < 1 << 28) return 4;
|
||
else return 5;
|
||
};
|
||
|
||
/**
|
||
* Zigzag encodes a signed 32bit integer so that it can be effectively used with varint encoding.
|
||
* @param {number} n Signed 32bit integer
|
||
* @returns {number} Unsigned zigzag encoded 32bit integer
|
||
* @expose
|
||
*/
|
||
ByteBuffer.zigZagEncode32 = function(n) {
|
||
return (((n |= 0) << 1) ^ (n >> 31)) >>> 0; // ref: src/google/protobuf/wire_format_lite.h
|
||
};
|
||
|
||
/**
|
||
* Decodes a zigzag encoded signed 32bit integer.
|
||
* @param {number} n Unsigned zigzag encoded 32bit integer
|
||
* @returns {number} Signed 32bit integer
|
||
* @expose
|
||
*/
|
||
ByteBuffer.zigZagDecode32 = function(n) {
|
||
return ((n >>> 1) ^ -(n & 1)) | 0; // // ref: src/google/protobuf/wire_format_lite.h
|
||
};
|
||
|
||
/**
|
||
* Writes a 32bit base 128 variable-length integer.
|
||
* @param {number} value Value to write
|
||
* @param {number=} offset Offset to write to. Will use and increase {@link ByteBuffer#offset} by the number of bytes
|
||
* written if omitted.
|
||
* @returns {!ByteBuffer|number} this if `offset` is omitted, else the actual number of bytes written
|
||
* @expose
|
||
*/
|
||
ByteBufferPrototype.writeVarint32 = function(value, offset) {
|
||
var relative = typeof offset === 'undefined';
|
||
if (relative) offset = this.offset;
|
||
if (!this.noAssert) {
|
||
if (typeof value !== 'number' || value % 1 !== 0)
|
||
throw TypeError("Illegal value: "+value+" (not an integer)");
|
||
value |= 0;
|
||
if (typeof offset !== 'number' || offset % 1 !== 0)
|
||
throw TypeError("Illegal offset: "+offset+" (not an integer)");
|
||
offset >>>= 0;
|
||
if (offset < 0 || offset + 0 > this.buffer.byteLength)
|
||
throw RangeError("Illegal offset: 0 <= "+offset+" (+"+0+") <= "+this.buffer.byteLength);
|
||
}
|
||
var size = ByteBuffer.calculateVarint32(value),
|
||
b;
|
||
offset += size;
|
||
var capacity10 = this.buffer.byteLength;
|
||
if (offset > capacity10)
|
||
this.resize((capacity10 *= 2) > offset ? capacity10 : offset);
|
||
offset -= size;
|
||
// ref: http://code.google.com/searchframe#WTeibokF6gE/trunk/src/google/protobuf/io/coded_stream.cc
|
||
this.view.setUint8(offset, b = value | 0x80);
|
||
value >>>= 0;
|
||
if (value >= 1 << 7) {
|
||
b = (value >> 7) | 0x80;
|
||
this.view.setUint8(offset+1, b);
|
||
if (value >= 1 << 14) {
|
||
b = (value >> 14) | 0x80;
|
||
this.view.setUint8(offset+2, b);
|
||
if (value >= 1 << 21) {
|
||
b = (value >> 21) | 0x80;
|
||
this.view.setUint8(offset+3, b);
|
||
if (value >= 1 << 28) {
|
||
this.view.setUint8(offset+4, (value >> 28) & 0x0F);
|
||
size = 5;
|
||
} else {
|
||
this.view.setUint8(offset+3, b & 0x7F);
|
||
size = 4;
|
||
}
|
||
} else {
|
||
this.view.setUint8(offset+2, b & 0x7F);
|
||
size = 3;
|
||
}
|
||
} else {
|
||
this.view.setUint8(offset+1, b & 0x7F);
|
||
size = 2;
|
||
}
|
||
} else {
|
||
this.view.setUint8(offset, b & 0x7F);
|
||
size = 1;
|
||
}
|
||
if (relative) {
|
||
this.offset += size;
|
||
return this;
|
||
}
|
||
return size;
|
||
};
|
||
|
||
/**
|
||
* Writes a zig-zag encoded 32bit base 128 variable-length integer.
|
||
* @param {number} value Value to write
|
||
* @param {number=} offset Offset to write to. Will use and increase {@link ByteBuffer#offset} by the number of bytes
|
||
* written if omitted.
|
||
* @returns {!ByteBuffer|number} this if `offset` is omitted, else the actual number of bytes written
|
||
* @expose
|
||
*/
|
||
ByteBufferPrototype.writeVarint32ZigZag = function(value, offset) {
|
||
return this.writeVarint32(ByteBuffer.zigZagEncode32(value), offset);
|
||
};
|
||
|
||
/**
|
||
* Reads a 32bit base 128 variable-length integer.
|
||
* @param {number=} offset Offset to read from. Will use and increase {@link ByteBuffer#offset} by the number of bytes
|
||
* written if omitted.
|
||
* @returns {number|!{value: number, length: number}} The value read if offset is omitted, else the value read
|
||
* and the actual number of bytes read.
|
||
* @throws {Error} If it's not a valid varint. Has a property `truncated = true` if there is not enough data available
|
||
* to fully decode the varint.
|
||
* @expose
|
||
*/
|
||
ByteBufferPrototype.readVarint32 = function(offset) {
|
||
var relative = typeof offset === 'undefined';
|
||
if (relative) offset = this.offset;
|
||
if (!this.noAssert) {
|
||
if (typeof offset !== 'number' || offset % 1 !== 0)
|
||
throw TypeError("Illegal offset: "+offset+" (not an integer)");
|
||
offset >>>= 0;
|
||
if (offset < 0 || offset + 1 > this.buffer.byteLength)
|
||
throw RangeError("Illegal offset: 0 <= "+offset+" (+"+1+") <= "+this.buffer.byteLength);
|
||
}
|
||
// ref: src/google/protobuf/io/coded_stream.cc
|
||
var size = 0,
|
||
value = 0 >>> 0,
|
||
temp,
|
||
ioffset;
|
||
do {
|
||
ioffset = offset+size;
|
||
if (!this.noAssert && ioffset > this.limit) {
|
||
var err = Error("Truncated");
|
||
err['truncated'] = true;
|
||
throw err;
|
||
}
|
||
temp = this.view.getUint8(ioffset);
|
||
if (size < 5)
|
||
value |= ((temp&0x7F)<<(7*size)) >>> 0;
|
||
++size;
|
||
} while ((temp & 0x80) === 0x80);
|
||
value = value | 0; // Make sure to discard the higher order bits
|
||
if (relative) {
|
||
this.offset += size;
|
||
return value;
|
||
}
|
||
return {
|
||
"value": value,
|
||
"length": size
|
||
};
|
||
};
|
||
|
||
/**
|
||
* Reads a zig-zag encoded 32bit base 128 variable-length integer.
|
||
* @param {number=} offset Offset to read from. Will use and increase {@link ByteBuffer#offset} by the number of bytes
|
||
* written if omitted.
|
||
* @returns {number|!{value: number, length: number}} The value read if offset is omitted, else the value read
|
||
* and the actual number of bytes read.
|
||
* @throws {Error} If it's not a valid varint
|
||
* @expose
|
||
*/
|
||
ByteBufferPrototype.readVarint32ZigZag = function(offset) {
|
||
var val = this.readVarint32(offset);
|
||
if (typeof val === 'object')
|
||
val["value"] = ByteBuffer.zigZagDecode32(val["value"]);
|
||
else
|
||
val = ByteBuffer.zigZagDecode32(val);
|
||
return val;
|
||
};
|
||
|
||
// types/varints/varint64
|
||
|
||
if (Long) {
|
||
|
||
/**
|
||
* Maximum number of bytes required to store a 64bit base 128 variable-length integer.
|
||
* @type {number}
|
||
* @const
|
||
* @expose
|
||
*/
|
||
ByteBuffer.MAX_VARINT64_BYTES = 10;
|
||
|
||
/**
|
||
* Calculates the actual number of bytes required to store a 64bit base 128 variable-length integer.
|
||
* @param {number|!Long} value Value to encode
|
||
* @returns {number} Number of bytes required. Capped to {@link ByteBuffer.MAX_VARINT64_BYTES}
|
||
* @expose
|
||
*/
|
||
ByteBuffer.calculateVarint64 = function(value) {
|
||
if (typeof value === 'number')
|
||
value = Long.fromNumber(value);
|
||
// ref: src/google/protobuf/io/coded_stream.cc
|
||
var part0 = value.toInt() >>> 0,
|
||
part1 = value.shiftRightUnsigned(28).toInt() >>> 0,
|
||
part2 = value.shiftRightUnsigned(56).toInt() >>> 0;
|
||
if (part2 == 0) {
|
||
if (part1 == 0) {
|
||
if (part0 < 1 << 14)
|
||
return part0 < 1 << 7 ? 1 : 2;
|
||
else
|
||
return part0 < 1 << 21 ? 3 : 4;
|
||
} else {
|
||
if (part1 < 1 << 14)
|
||
return part1 < 1 << 7 ? 5 : 6;
|
||
else
|
||
return part1 < 1 << 21 ? 7 : 8;
|
||
}
|
||
} else
|
||
return part2 < 1 << 7 ? 9 : 10;
|
||
};
|
||
|
||
/**
|
||
* Zigzag encodes a signed 64bit integer so that it can be effectively used with varint encoding.
|
||
* @param {number|!Long} value Signed long
|
||
* @returns {!Long} Unsigned zigzag encoded long
|
||
* @expose
|
||
*/
|
||
ByteBuffer.zigZagEncode64 = function(value) {
|
||
if (typeof value === 'number')
|
||
value = Long.fromNumber(value, false);
|
||
else if (value.unsigned !== false) value = value.toSigned();
|
||
// ref: src/google/protobuf/wire_format_lite.h
|
||
return value.shiftLeft(1).xor(value.shiftRight(63)).toUnsigned();
|
||
};
|
||
|
||
/**
|
||
* Decodes a zigzag encoded signed 64bit integer.
|
||
* @param {!Long|number} value Unsigned zigzag encoded long or JavaScript number
|
||
* @returns {!Long} Signed long
|
||
* @expose
|
||
*/
|
||
ByteBuffer.zigZagDecode64 = function(value) {
|
||
if (typeof value === 'number')
|
||
value = Long.fromNumber(value, false);
|
||
else if (value.unsigned !== false) value = value.toSigned();
|
||
// ref: src/google/protobuf/wire_format_lite.h
|
||
return value.shiftRightUnsigned(1).xor(value.and(Long.ONE).toSigned().negate()).toSigned();
|
||
};
|
||
|
||
/**
|
||
* Writes a 64bit base 128 variable-length integer.
|
||
* @param {number|Long} value Value to write
|
||
* @param {number=} offset Offset to write to. Will use and increase {@link ByteBuffer#offset} by the number of bytes
|
||
* written if omitted.
|
||
* @returns {!ByteBuffer|number} `this` if offset is omitted, else the actual number of bytes written.
|
||
* @expose
|
||
*/
|
||
ByteBufferPrototype.writeVarint64 = function(value, offset) {
|
||
var relative = typeof offset === 'undefined';
|
||
if (relative) offset = this.offset;
|
||
if (!this.noAssert) {
|
||
if (typeof value === 'number')
|
||
value = Long.fromNumber(value);
|
||
else if (!(value && value instanceof Long))
|
||
throw TypeError("Illegal value: "+value+" (not an integer or Long)");
|
||
if (typeof offset !== 'number' || offset % 1 !== 0)
|
||
throw TypeError("Illegal offset: "+offset+" (not an integer)");
|
||
offset >>>= 0;
|
||
if (offset < 0 || offset + 0 > this.buffer.byteLength)
|
||
throw RangeError("Illegal offset: 0 <= "+offset+" (+"+0+") <= "+this.buffer.byteLength);
|
||
}
|
||
if (typeof value === 'number')
|
||
value = Long.fromNumber(value, false);
|
||
else if (value.unsigned !== false) value = value.toSigned();
|
||
var size = ByteBuffer.calculateVarint64(value),
|
||
part0 = value.toInt() >>> 0,
|
||
part1 = value.shiftRightUnsigned(28).toInt() >>> 0,
|
||
part2 = value.shiftRightUnsigned(56).toInt() >>> 0;
|
||
offset += size;
|
||
var capacity11 = this.buffer.byteLength;
|
||
if (offset > capacity11)
|
||
this.resize((capacity11 *= 2) > offset ? capacity11 : offset);
|
||
offset -= size;
|
||
switch (size) {
|
||
case 10: this.view.setUint8(offset+9, (part2 >>> 7) & 0x01);
|
||
case 9 : this.view.setUint8(offset+8, size !== 9 ? (part2 ) | 0x80 : (part2 ) & 0x7F);
|
||
case 8 : this.view.setUint8(offset+7, size !== 8 ? (part1 >>> 21) | 0x80 : (part1 >>> 21) & 0x7F);
|
||
case 7 : this.view.setUint8(offset+6, size !== 7 ? (part1 >>> 14) | 0x80 : (part1 >>> 14) & 0x7F);
|
||
case 6 : this.view.setUint8(offset+5, size !== 6 ? (part1 >>> 7) | 0x80 : (part1 >>> 7) & 0x7F);
|
||
case 5 : this.view.setUint8(offset+4, size !== 5 ? (part1 ) | 0x80 : (part1 ) & 0x7F);
|
||
case 4 : this.view.setUint8(offset+3, size !== 4 ? (part0 >>> 21) | 0x80 : (part0 >>> 21) & 0x7F);
|
||
case 3 : this.view.setUint8(offset+2, size !== 3 ? (part0 >>> 14) | 0x80 : (part0 >>> 14) & 0x7F);
|
||
case 2 : this.view.setUint8(offset+1, size !== 2 ? (part0 >>> 7) | 0x80 : (part0 >>> 7) & 0x7F);
|
||
case 1 : this.view.setUint8(offset , size !== 1 ? (part0 ) | 0x80 : (part0 ) & 0x7F);
|
||
}
|
||
if (relative) {
|
||
this.offset += size;
|
||
return this;
|
||
} else {
|
||
return size;
|
||
}
|
||
};
|
||
|
||
/**
|
||
* Writes a zig-zag encoded 64bit base 128 variable-length integer.
|
||
* @param {number|Long} value Value to write
|
||
* @param {number=} offset Offset to write to. Will use and increase {@link ByteBuffer#offset} by the number of bytes
|
||
* written if omitted.
|
||
* @returns {!ByteBuffer|number} `this` if offset is omitted, else the actual number of bytes written.
|
||
* @expose
|
||
*/
|
||
ByteBufferPrototype.writeVarint64ZigZag = function(value, offset) {
|
||
return this.writeVarint64(ByteBuffer.zigZagEncode64(value), offset);
|
||
};
|
||
|
||
/**
|
||
* Reads a 64bit base 128 variable-length integer. Requires Long.js.
|
||
* @param {number=} offset Offset to read from. Will use and increase {@link ByteBuffer#offset} by the number of bytes
|
||
* read if omitted.
|
||
* @returns {!Long|!{value: Long, length: number}} The value read if offset is omitted, else the value read and
|
||
* the actual number of bytes read.
|
||
* @throws {Error} If it's not a valid varint
|
||
* @expose
|
||
*/
|
||
ByteBufferPrototype.readVarint64 = function(offset) {
|
||
var relative = typeof offset === 'undefined';
|
||
if (relative) offset = this.offset;
|
||
if (!this.noAssert) {
|
||
if (typeof offset !== 'number' || offset % 1 !== 0)
|
||
throw TypeError("Illegal offset: "+offset+" (not an integer)");
|
||
offset >>>= 0;
|
||
if (offset < 0 || offset + 1 > this.buffer.byteLength)
|
||
throw RangeError("Illegal offset: 0 <= "+offset+" (+"+1+") <= "+this.buffer.byteLength);
|
||
}
|
||
// ref: src/google/protobuf/io/coded_stream.cc
|
||
var start = offset,
|
||
part0 = 0,
|
||
part1 = 0,
|
||
part2 = 0,
|
||
b = 0;
|
||
b = this.view.getUint8(offset++); part0 = (b & 0x7F) ; if (b & 0x80) {
|
||
b = this.view.getUint8(offset++); part0 |= (b & 0x7F) << 7; if (b & 0x80) {
|
||
b = this.view.getUint8(offset++); part0 |= (b & 0x7F) << 14; if (b & 0x80) {
|
||
b = this.view.getUint8(offset++); part0 |= (b & 0x7F) << 21; if (b & 0x80) {
|
||
b = this.view.getUint8(offset++); part1 = (b & 0x7F) ; if (b & 0x80) {
|
||
b = this.view.getUint8(offset++); part1 |= (b & 0x7F) << 7; if (b & 0x80) {
|
||
b = this.view.getUint8(offset++); part1 |= (b & 0x7F) << 14; if (b & 0x80) {
|
||
b = this.view.getUint8(offset++); part1 |= (b & 0x7F) << 21; if (b & 0x80) {
|
||
b = this.view.getUint8(offset++); part2 = (b & 0x7F) ; if (b & 0x80) {
|
||
b = this.view.getUint8(offset++); part2 |= (b & 0x7F) << 7; if (b & 0x80) {
|
||
throw Error("Buffer overrun"); }}}}}}}}}}
|
||
var value = Long.fromBits(part0 | (part1 << 28), (part1 >>> 4) | (part2) << 24, false);
|
||
if (relative) {
|
||
this.offset = offset;
|
||
return value;
|
||
} else {
|
||
return {
|
||
'value': value,
|
||
'length': offset-start
|
||
};
|
||
}
|
||
};
|
||
|
||
/**
|
||
* Reads a zig-zag encoded 64bit base 128 variable-length integer. Requires Long.js.
|
||
* @param {number=} offset Offset to read from. Will use and increase {@link ByteBuffer#offset} by the number of bytes
|
||
* read if omitted.
|
||
* @returns {!Long|!{value: Long, length: number}} The value read if offset is omitted, else the value read and
|
||
* the actual number of bytes read.
|
||
* @throws {Error} If it's not a valid varint
|
||
* @expose
|
||
*/
|
||
ByteBufferPrototype.readVarint64ZigZag = function(offset) {
|
||
var val = this.readVarint64(offset);
|
||
if (val && val['value'] instanceof Long)
|
||
val["value"] = ByteBuffer.zigZagDecode64(val["value"]);
|
||
else
|
||
val = ByteBuffer.zigZagDecode64(val);
|
||
return val;
|
||
};
|
||
|
||
} // Long
|
||
|
||
|
||
// types/strings/cstring
|
||
|
||
/**
|
||
* Writes a NULL-terminated UTF8 encoded string. For this to work the specified string must not contain any NULL
|
||
* characters itself.
|
||
* @param {string} str String to write
|
||
* @param {number=} offset Offset to write to. Will use and increase {@link ByteBuffer#offset} by the number of bytes
|
||
* contained in `str` + 1 if omitted.
|
||
* @returns {!ByteBuffer|number} this if offset is omitted, else the actual number of bytes written
|
||
* @expose
|
||
*/
|
||
ByteBufferPrototype.writeCString = function(str, offset) {
|
||
var relative = typeof offset === 'undefined';
|
||
if (relative) offset = this.offset;
|
||
var i,
|
||
k = str.length;
|
||
if (!this.noAssert) {
|
||
if (typeof str !== 'string')
|
||
throw TypeError("Illegal str: Not a string");
|
||
for (i=0; i<k; ++i) {
|
||
if (str.charCodeAt(i) === 0)
|
||
throw RangeError("Illegal str: Contains NULL-characters");
|
||
}
|
||
if (typeof offset !== 'number' || offset % 1 !== 0)
|
||
throw TypeError("Illegal offset: "+offset+" (not an integer)");
|
||
offset >>>= 0;
|
||
if (offset < 0 || offset + 0 > this.buffer.byteLength)
|
||
throw RangeError("Illegal offset: 0 <= "+offset+" (+"+0+") <= "+this.buffer.byteLength);
|
||
}
|
||
var start = offset;
|
||
// UTF8 strings do not contain zero bytes in between except for the zero character, so:
|
||
k = utfx.calculateUTF16asUTF8(stringSource(str))[1];
|
||
offset += k+1;
|
||
var capacity12 = this.buffer.byteLength;
|
||
if (offset > capacity12)
|
||
this.resize((capacity12 *= 2) > offset ? capacity12 : offset);
|
||
offset -= k+1;
|
||
utfx.encodeUTF16toUTF8(stringSource(str), function(b) {
|
||
this.view.setUint8(offset++, b);
|
||
}.bind(this));
|
||
this.view.setUint8(offset++, 0);
|
||
if (relative) {
|
||
this.offset = offset - start;
|
||
return this;
|
||
}
|
||
return k;
|
||
};
|
||
|
||
/**
|
||
* Reads a NULL-terminated UTF8 encoded string. For this to work the string read must not contain any NULL characters
|
||
* itself.
|
||
* @param {number=} offset Offset to read from. Will use and increase {@link ByteBuffer#offset} by the number of bytes
|
||
* read if omitted.
|
||
* @returns {string|!{string: string, length: number}} The string read if offset is omitted, else the string
|
||
* read and the actual number of bytes read.
|
||
* @expose
|
||
*/
|
||
ByteBufferPrototype.readCString = function(offset) {
|
||
var relative = typeof offset === 'undefined';
|
||
if (relative) offset = this.offset;
|
||
if (!this.noAssert) {
|
||
if (typeof offset !== 'number' || offset % 1 !== 0)
|
||
throw TypeError("Illegal offset: "+offset+" (not an integer)");
|
||
offset >>>= 0;
|
||
if (offset < 0 || offset + 1 > this.buffer.byteLength)
|
||
throw RangeError("Illegal offset: 0 <= "+offset+" (+"+1+") <= "+this.buffer.byteLength);
|
||
}
|
||
var start = offset,
|
||
temp;
|
||
// UTF8 strings do not contain zero bytes in between except for the zero character itself, so:
|
||
var sd, b = -1;
|
||
utfx.decodeUTF8toUTF16(function() {
|
||
if (b === 0) return null;
|
||
if (offset >= this.limit)
|
||
throw RangeError("Illegal range: Truncated data, "+offset+" < "+this.limit);
|
||
return (b = this.view.getUint8(offset++)) === 0 ? null : b;
|
||
}.bind(this), sd = stringDestination(), true);
|
||
if (relative) {
|
||
this.offset = offset;
|
||
return sd();
|
||
} else {
|
||
return {
|
||
"string": sd(),
|
||
"length": offset - start
|
||
};
|
||
}
|
||
};
|
||
|
||
// types/strings/istring
|
||
|
||
/**
|
||
* Writes a length as uint32 prefixed UTF8 encoded string.
|
||
* @param {string} str String to write
|
||
* @param {number=} offset Offset to write to. Will use and increase {@link ByteBuffer#offset} by the number of bytes
|
||
* written if omitted.
|
||
* @returns {!ByteBuffer|number} `this` if `offset` is omitted, else the actual number of bytes written
|
||
* @expose
|
||
* @see ByteBuffer#writeVarint32
|
||
*/
|
||
ByteBufferPrototype.writeIString = function(str, offset) {
|
||
var relative = typeof offset === 'undefined';
|
||
if (relative) offset = this.offset;
|
||
if (!this.noAssert) {
|
||
if (typeof str !== 'string')
|
||
throw TypeError("Illegal str: Not a string");
|
||
if (typeof offset !== 'number' || offset % 1 !== 0)
|
||
throw TypeError("Illegal offset: "+offset+" (not an integer)");
|
||
offset >>>= 0;
|
||
if (offset < 0 || offset + 0 > this.buffer.byteLength)
|
||
throw RangeError("Illegal offset: 0 <= "+offset+" (+"+0+") <= "+this.buffer.byteLength);
|
||
}
|
||
var start = offset,
|
||
k;
|
||
k = utfx.calculateUTF16asUTF8(stringSource(str), this.noAssert)[1];
|
||
offset += 4+k;
|
||
var capacity13 = this.buffer.byteLength;
|
||
if (offset > capacity13)
|
||
this.resize((capacity13 *= 2) > offset ? capacity13 : offset);
|
||
offset -= 4+k;
|
||
this.view.setUint32(offset, k, this.littleEndian);
|
||
offset += 4;
|
||
utfx.encodeUTF16toUTF8(stringSource(str), function(b) {
|
||
this.view.setUint8(offset++, b);
|
||
}.bind(this));
|
||
if (offset !== start + 4 + k)
|
||
throw RangeError("Illegal range: Truncated data, "+offset+" == "+(offset+4+k));
|
||
if (relative) {
|
||
this.offset = offset;
|
||
return this;
|
||
}
|
||
return offset - start;
|
||
};
|
||
|
||
/**
|
||
* Reads a length as uint32 prefixed UTF8 encoded string.
|
||
* @param {number=} offset Offset to read from. Will use and increase {@link ByteBuffer#offset} by the number of bytes
|
||
* read if omitted.
|
||
* @returns {string|!{string: string, length: number}} The string read if offset is omitted, else the string
|
||
* read and the actual number of bytes read.
|
||
* @expose
|
||
* @see ByteBuffer#readVarint32
|
||
*/
|
||
ByteBufferPrototype.readIString = function(offset) {
|
||
var relative = typeof offset === 'undefined';
|
||
if (relative) offset = this.offset;
|
||
if (!this.noAssert) {
|
||
if (typeof offset !== 'number' || offset % 1 !== 0)
|
||
throw TypeError("Illegal offset: "+offset+" (not an integer)");
|
||
offset >>>= 0;
|
||
if (offset < 0 || offset + 4 > this.buffer.byteLength)
|
||
throw RangeError("Illegal offset: 0 <= "+offset+" (+"+4+") <= "+this.buffer.byteLength);
|
||
}
|
||
var temp = 0,
|
||
start = offset,
|
||
str;
|
||
temp = this.view.getUint32(offset, this.littleEndian);
|
||
offset += 4;
|
||
var k = offset + temp,
|
||
sd;
|
||
utfx.decodeUTF8toUTF16(function() {
|
||
return offset < k ? this.view.getUint8(offset++) : null;
|
||
}.bind(this), sd = stringDestination(), this.noAssert);
|
||
str = sd();
|
||
if (relative) {
|
||
this.offset = offset;
|
||
return str;
|
||
} else {
|
||
return {
|
||
'string': str,
|
||
'length': offset - start
|
||
};
|
||
}
|
||
};
|
||
|
||
// types/strings/utf8string
|
||
|
||
/**
|
||
* Metrics representing number of UTF8 characters. Evaluates to `c`.
|
||
* @type {string}
|
||
* @const
|
||
* @expose
|
||
*/
|
||
ByteBuffer.METRICS_CHARS = 'c';
|
||
|
||
/**
|
||
* Metrics representing number of bytes. Evaluates to `b`.
|
||
* @type {string}
|
||
* @const
|
||
* @expose
|
||
*/
|
||
ByteBuffer.METRICS_BYTES = 'b';
|
||
|
||
/**
|
||
* Writes an UTF8 encoded string.
|
||
* @param {string} str String to write
|
||
* @param {number=} offset Offset to write to. Will use and increase {@link ByteBuffer#offset} if omitted.
|
||
* @returns {!ByteBuffer|number} this if offset is omitted, else the actual number of bytes written.
|
||
* @expose
|
||
*/
|
||
ByteBufferPrototype.writeUTF8String = function(str, offset) {
|
||
var relative = typeof offset === 'undefined';
|
||
if (relative) offset = this.offset;
|
||
if (!this.noAssert) {
|
||
if (typeof offset !== 'number' || offset % 1 !== 0)
|
||
throw TypeError("Illegal offset: "+offset+" (not an integer)");
|
||
offset >>>= 0;
|
||
if (offset < 0 || offset + 0 > this.buffer.byteLength)
|
||
throw RangeError("Illegal offset: 0 <= "+offset+" (+"+0+") <= "+this.buffer.byteLength);
|
||
}
|
||
var k;
|
||
var start = offset;
|
||
k = utfx.calculateUTF16asUTF8(stringSource(str))[1];
|
||
offset += k;
|
||
var capacity14 = this.buffer.byteLength;
|
||
if (offset > capacity14)
|
||
this.resize((capacity14 *= 2) > offset ? capacity14 : offset);
|
||
offset -= k;
|
||
utfx.encodeUTF16toUTF8(stringSource(str), function(b) {
|
||
this.view.setUint8(offset++, b);
|
||
}.bind(this));
|
||
if (relative) {
|
||
this.offset = offset;
|
||
return this;
|
||
}
|
||
return offset - start;
|
||
};
|
||
|
||
/**
|
||
* Writes an UTF8 encoded string. This is an alias of {@link ByteBuffer#writeUTF8String}.
|
||
* @function
|
||
* @param {string} str String to write
|
||
* @param {number=} offset Offset to write to. Will use and increase {@link ByteBuffer#offset} if omitted.
|
||
* @returns {!ByteBuffer|number} this if offset is omitted, else the actual number of bytes written.
|
||
* @expose
|
||
*/
|
||
ByteBufferPrototype.writeString = ByteBufferPrototype.writeUTF8String;
|
||
|
||
/**
|
||
* Calculates the number of UTF8 characters of a string. JavaScript itself uses UTF-16, so that a string's
|
||
* `length` property does not reflect its actual UTF8 size if it contains code points larger than 0xFFFF.
|
||
* @function
|
||
* @param {string} str String to calculate
|
||
* @returns {number} Number of UTF8 characters
|
||
* @expose
|
||
*/
|
||
ByteBuffer.calculateUTF8Chars = function(str) {
|
||
return utfx.calculateUTF16asUTF8(stringSource(str))[0];
|
||
};
|
||
|
||
/**
|
||
* Calculates the number of UTF8 bytes of a string.
|
||
* @function
|
||
* @param {string} str String to calculate
|
||
* @returns {number} Number of UTF8 bytes
|
||
* @expose
|
||
*/
|
||
ByteBuffer.calculateUTF8Bytes = function(str) {
|
||
return utfx.calculateUTF16asUTF8(stringSource(str))[1];
|
||
};
|
||
|
||
/**
|
||
* Reads an UTF8 encoded string.
|
||
* @param {number} length Number of characters or bytes to read.
|
||
* @param {string=} metrics Metrics specifying what `length` is meant to count. Defaults to
|
||
* {@link ByteBuffer.METRICS_CHARS}.
|
||
* @param {number=} offset Offset to read from. Will use and increase {@link ByteBuffer#offset} by the number of bytes
|
||
* read if omitted.
|
||
* @returns {string|!{string: string, length: number}} The string read if offset is omitted, else the string
|
||
* read and the actual number of bytes read.
|
||
* @expose
|
||
*/
|
||
ByteBufferPrototype.readUTF8String = function(length, metrics, offset) {
|
||
if (typeof metrics === 'number') {
|
||
offset = metrics;
|
||
metrics = undefined;
|
||
}
|
||
var relative = typeof offset === 'undefined';
|
||
if (relative) offset = this.offset;
|
||
if (typeof metrics === 'undefined') metrics = ByteBuffer.METRICS_CHARS;
|
||
if (!this.noAssert) {
|
||
if (typeof length !== 'number' || length % 1 !== 0)
|
||
throw TypeError("Illegal length: "+length+" (not an integer)");
|
||
length |= 0;
|
||
if (typeof offset !== 'number' || offset % 1 !== 0)
|
||
throw TypeError("Illegal offset: "+offset+" (not an integer)");
|
||
offset >>>= 0;
|
||
if (offset < 0 || offset + 0 > this.buffer.byteLength)
|
||
throw RangeError("Illegal offset: 0 <= "+offset+" (+"+0+") <= "+this.buffer.byteLength);
|
||
}
|
||
var i = 0,
|
||
start = offset,
|
||
sd;
|
||
if (metrics === ByteBuffer.METRICS_CHARS) { // The same for node and the browser
|
||
sd = stringDestination();
|
||
utfx.decodeUTF8(function() {
|
||
return i < length && offset < this.limit ? this.view.getUint8(offset++) : null;
|
||
}.bind(this), function(cp) {
|
||
++i; utfx.UTF8toUTF16(cp, sd);
|
||
}.bind(this));
|
||
if (i !== length)
|
||
throw RangeError("Illegal range: Truncated data, "+i+" == "+length);
|
||
if (relative) {
|
||
this.offset = offset;
|
||
return sd();
|
||
} else {
|
||
return {
|
||
"string": sd(),
|
||
"length": offset - start
|
||
};
|
||
}
|
||
} else if (metrics === ByteBuffer.METRICS_BYTES) {
|
||
if (!this.noAssert) {
|
||
if (typeof offset !== 'number' || offset % 1 !== 0)
|
||
throw TypeError("Illegal offset: "+offset+" (not an integer)");
|
||
offset >>>= 0;
|
||
if (offset < 0 || offset + length > this.buffer.byteLength)
|
||
throw RangeError("Illegal offset: 0 <= "+offset+" (+"+length+") <= "+this.buffer.byteLength);
|
||
}
|
||
var k = offset + length;
|
||
utfx.decodeUTF8toUTF16(function() {
|
||
return offset < k ? this.view.getUint8(offset++) : null;
|
||
}.bind(this), sd = stringDestination(), this.noAssert);
|
||
if (offset !== k)
|
||
throw RangeError("Illegal range: Truncated data, "+offset+" == "+k);
|
||
if (relative) {
|
||
this.offset = offset;
|
||
return sd();
|
||
} else {
|
||
return {
|
||
'string': sd(),
|
||
'length': offset - start
|
||
};
|
||
}
|
||
} else
|
||
throw TypeError("Unsupported metrics: "+metrics);
|
||
};
|
||
|
||
/**
|
||
* Reads an UTF8 encoded string. This is an alias of {@link ByteBuffer#readUTF8String}.
|
||
* @function
|
||
* @param {number} length Number of characters or bytes to read
|
||
* @param {number=} metrics Metrics specifying what `n` is meant to count. Defaults to
|
||
* {@link ByteBuffer.METRICS_CHARS}.
|
||
* @param {number=} offset Offset to read from. Will use and increase {@link ByteBuffer#offset} by the number of bytes
|
||
* read if omitted.
|
||
* @returns {string|!{string: string, length: number}} The string read if offset is omitted, else the string
|
||
* read and the actual number of bytes read.
|
||
* @expose
|
||
*/
|
||
ByteBufferPrototype.readString = ByteBufferPrototype.readUTF8String;
|
||
|
||
// types/strings/vstring
|
||
|
||
/**
|
||
* Writes a length as varint32 prefixed UTF8 encoded string.
|
||
* @param {string} str String to write
|
||
* @param {number=} offset Offset to write to. Will use and increase {@link ByteBuffer#offset} by the number of bytes
|
||
* written if omitted.
|
||
* @returns {!ByteBuffer|number} `this` if `offset` is omitted, else the actual number of bytes written
|
||
* @expose
|
||
* @see ByteBuffer#writeVarint32
|
||
*/
|
||
ByteBufferPrototype.writeVString = function(str, offset) {
|
||
var relative = typeof offset === 'undefined';
|
||
if (relative) offset = this.offset;
|
||
if (!this.noAssert) {
|
||
if (typeof str !== 'string')
|
||
throw TypeError("Illegal str: Not a string");
|
||
if (typeof offset !== 'number' || offset % 1 !== 0)
|
||
throw TypeError("Illegal offset: "+offset+" (not an integer)");
|
||
offset >>>= 0;
|
||
if (offset < 0 || offset + 0 > this.buffer.byteLength)
|
||
throw RangeError("Illegal offset: 0 <= "+offset+" (+"+0+") <= "+this.buffer.byteLength);
|
||
}
|
||
var start = offset,
|
||
k, l;
|
||
k = utfx.calculateUTF16asUTF8(stringSource(str), this.noAssert)[1];
|
||
l = ByteBuffer.calculateVarint32(k);
|
||
offset += l+k;
|
||
var capacity15 = this.buffer.byteLength;
|
||
if (offset > capacity15)
|
||
this.resize((capacity15 *= 2) > offset ? capacity15 : offset);
|
||
offset -= l+k;
|
||
offset += this.writeVarint32(k, offset);
|
||
utfx.encodeUTF16toUTF8(stringSource(str), function(b) {
|
||
this.view.setUint8(offset++, b);
|
||
}.bind(this));
|
||
if (offset !== start+k+l)
|
||
throw RangeError("Illegal range: Truncated data, "+offset+" == "+(offset+k+l));
|
||
if (relative) {
|
||
this.offset = offset;
|
||
return this;
|
||
}
|
||
return offset - start;
|
||
};
|
||
|
||
/**
|
||
* Reads a length as varint32 prefixed UTF8 encoded string.
|
||
* @param {number=} offset Offset to read from. Will use and increase {@link ByteBuffer#offset} by the number of bytes
|
||
* read if omitted.
|
||
* @returns {string|!{string: string, length: number}} The string read if offset is omitted, else the string
|
||
* read and the actual number of bytes read.
|
||
* @expose
|
||
* @see ByteBuffer#readVarint32
|
||
*/
|
||
ByteBufferPrototype.readVString = function(offset) {
|
||
var relative = typeof offset === 'undefined';
|
||
if (relative) offset = this.offset;
|
||
if (!this.noAssert) {
|
||
if (typeof offset !== 'number' || offset % 1 !== 0)
|
||
throw TypeError("Illegal offset: "+offset+" (not an integer)");
|
||
offset >>>= 0;
|
||
if (offset < 0 || offset + 1 > this.buffer.byteLength)
|
||
throw RangeError("Illegal offset: 0 <= "+offset+" (+"+1+") <= "+this.buffer.byteLength);
|
||
}
|
||
var temp = this.readVarint32(offset),
|
||
start = offset,
|
||
str;
|
||
offset += temp['length'];
|
||
temp = temp['value'];
|
||
var k = offset + temp,
|
||
sd = stringDestination();
|
||
utfx.decodeUTF8toUTF16(function() {
|
||
return offset < k ? this.view.getUint8(offset++) : null;
|
||
}.bind(this), sd, this.noAssert);
|
||
str = sd();
|
||
if (relative) {
|
||
this.offset = offset;
|
||
return str;
|
||
} else {
|
||
return {
|
||
'string': str,
|
||
'length': offset - start
|
||
};
|
||
}
|
||
};
|
||
|
||
|
||
/**
|
||
* Appends some data to this ByteBuffer. This will overwrite any contents behind the specified offset up to the appended
|
||
* data's length.
|
||
* @param {!ByteBuffer|!ArrayBuffer|!Uint8Array|string} source Data to append. If `source` is a ByteBuffer, its offsets
|
||
* will be modified according to the performed read operation.
|
||
* @param {(string|number)=} encoding Encoding if `data` is a string ("base64", "hex", "binary", defaults to "utf8")
|
||
* @param {number=} offset Offset to append at. Will use and increase {@link ByteBuffer#offset} by the number of bytes
|
||
* read if omitted.
|
||
* @returns {!ByteBuffer} this
|
||
* @expose
|
||
* @example A relative `<01 02>03.append(<04 05>)` will result in `<01 02 04 05>, 04 05|`
|
||
* @example An absolute `<01 02>03.append(04 05>, 1)` will result in `<01 04>05, 04 05|`
|
||
*/
|
||
ByteBufferPrototype.append = function(source, encoding, offset) {
|
||
if (typeof encoding === 'number' || typeof encoding !== 'string') {
|
||
offset = encoding;
|
||
encoding = undefined;
|
||
}
|
||
var relative = typeof offset === 'undefined';
|
||
if (relative) offset = this.offset;
|
||
if (!this.noAssert) {
|
||
if (typeof offset !== 'number' || offset % 1 !== 0)
|
||
throw TypeError("Illegal offset: "+offset+" (not an integer)");
|
||
offset >>>= 0;
|
||
if (offset < 0 || offset + 0 > this.buffer.byteLength)
|
||
throw RangeError("Illegal offset: 0 <= "+offset+" (+"+0+") <= "+this.buffer.byteLength);
|
||
}
|
||
if (!(source instanceof ByteBuffer))
|
||
source = ByteBuffer.wrap(source, encoding);
|
||
var length = source.limit - source.offset;
|
||
if (length <= 0) return this; // Nothing to append
|
||
offset += length;
|
||
var capacity16 = this.buffer.byteLength;
|
||
if (offset > capacity16)
|
||
this.resize((capacity16 *= 2) > offset ? capacity16 : offset);
|
||
offset -= length;
|
||
new Uint8Array(this.buffer, offset).set(new Uint8Array(source.buffer).subarray(source.offset, source.limit));
|
||
source.offset += length;
|
||
if (relative) this.offset += length;
|
||
return this;
|
||
};
|
||
|
||
/**
|
||
* Appends this ByteBuffer's contents to another ByteBuffer. This will overwrite any contents behind the specified
|
||
* offset up to the length of this ByteBuffer's data.
|
||
* @param {!ByteBuffer} target Target ByteBuffer
|
||
* @param {number=} offset Offset to append to. Will use and increase {@link ByteBuffer#offset} by the number of bytes
|
||
* read if omitted.
|
||
* @returns {!ByteBuffer} this
|
||
* @expose
|
||
* @see ByteBuffer#append
|
||
*/
|
||
ByteBufferPrototype.appendTo = function(target, offset) {
|
||
target.append(this, offset);
|
||
return this;
|
||
};
|
||
|
||
/**
|
||
* Enables or disables assertions of argument types and offsets. Assertions are enabled by default but you can opt to
|
||
* disable them if your code already makes sure that everything is valid.
|
||
* @param {boolean} assert `true` to enable assertions, otherwise `false`
|
||
* @returns {!ByteBuffer} this
|
||
* @expose
|
||
*/
|
||
ByteBufferPrototype.assert = function(assert) {
|
||
this.noAssert = !assert;
|
||
return this;
|
||
};
|
||
|
||
/**
|
||
* Gets the capacity of this ByteBuffer's backing buffer.
|
||
* @returns {number} Capacity of the backing buffer
|
||
* @expose
|
||
*/
|
||
ByteBufferPrototype.capacity = function() {
|
||
return this.buffer.byteLength;
|
||
};
|
||
|
||
/**
|
||
* Clears this ByteBuffer's offsets by setting {@link ByteBuffer#offset} to `0` and {@link ByteBuffer#limit} to the
|
||
* backing buffer's capacity. Discards {@link ByteBuffer#markedOffset}.
|
||
* @returns {!ByteBuffer} this
|
||
* @expose
|
||
*/
|
||
ByteBufferPrototype.clear = function() {
|
||
this.offset = 0;
|
||
this.limit = this.buffer.byteLength;
|
||
this.markedOffset = -1;
|
||
return this;
|
||
};
|
||
|
||
/**
|
||
* Creates a cloned instance of this ByteBuffer, preset with this ByteBuffer's values for {@link ByteBuffer#offset},
|
||
* {@link ByteBuffer#markedOffset} and {@link ByteBuffer#limit}.
|
||
* @param {boolean=} copy Whether to copy the backing buffer or to return another view on the same, defaults to `false`
|
||
* @returns {!ByteBuffer} Cloned instance
|
||
* @expose
|
||
*/
|
||
ByteBufferPrototype.clone = function(copy) {
|
||
var bb = new ByteBuffer(0, this.littleEndian, this.noAssert);
|
||
if (copy) {
|
||
var buffer = new ArrayBuffer(this.buffer.byteLength);
|
||
new Uint8Array(buffer).set(this.buffer);
|
||
bb.buffer = buffer;
|
||
bb.view = new DataView(buffer);
|
||
} else {
|
||
bb.buffer = this.buffer;
|
||
bb.view = this.view;
|
||
}
|
||
bb.offset = this.offset;
|
||
bb.markedOffset = this.markedOffset;
|
||
bb.limit = this.limit;
|
||
return bb;
|
||
};
|
||
|
||
/**
|
||
* Compacts this ByteBuffer to be backed by a {@link ByteBuffer#buffer} of its contents' length. Contents are the bytes
|
||
* between {@link ByteBuffer#offset} and {@link ByteBuffer#limit}. Will set `offset = 0` and `limit = capacity` and
|
||
* adapt {@link ByteBuffer#markedOffset} to the same relative position if set.
|
||
* @param {number=} begin Offset to start at, defaults to {@link ByteBuffer#offset}
|
||
* @param {number=} end Offset to end at, defaults to {@link ByteBuffer#limit}
|
||
* @returns {!ByteBuffer} this
|
||
* @expose
|
||
*/
|
||
ByteBufferPrototype.compact = function(begin, end) {
|
||
if (typeof begin === 'undefined') begin = this.offset;
|
||
if (typeof end === 'undefined') end = this.limit;
|
||
if (!this.noAssert) {
|
||
if (typeof begin !== 'number' || begin % 1 !== 0)
|
||
throw TypeError("Illegal begin: Not an integer");
|
||
begin >>>= 0;
|
||
if (typeof end !== 'number' || end % 1 !== 0)
|
||
throw TypeError("Illegal end: Not an integer");
|
||
end >>>= 0;
|
||
if (begin < 0 || begin > end || end > this.buffer.byteLength)
|
||
throw RangeError("Illegal range: 0 <= "+begin+" <= "+end+" <= "+this.buffer.byteLength);
|
||
}
|
||
if (begin === 0 && end === this.buffer.byteLength)
|
||
return this; // Already compacted
|
||
var len = end - begin;
|
||
if (len === 0) {
|
||
this.buffer = EMPTY_BUFFER;
|
||
this.view = null;
|
||
if (this.markedOffset >= 0) this.markedOffset -= begin;
|
||
this.offset = 0;
|
||
this.limit = 0;
|
||
return this;
|
||
}
|
||
var buffer = new ArrayBuffer(len);
|
||
new Uint8Array(buffer).set(new Uint8Array(this.buffer).subarray(begin, end));
|
||
this.buffer = buffer;
|
||
this.view = new DataView(buffer);
|
||
if (this.markedOffset >= 0) this.markedOffset -= begin;
|
||
this.offset = 0;
|
||
this.limit = len;
|
||
return this;
|
||
};
|
||
|
||
/**
|
||
* Creates a copy of this ByteBuffer's contents. Contents are the bytes between {@link ByteBuffer#offset} and
|
||
* {@link ByteBuffer#limit}.
|
||
* @param {number=} begin Begin offset, defaults to {@link ByteBuffer#offset}.
|
||
* @param {number=} end End offset, defaults to {@link ByteBuffer#limit}.
|
||
* @returns {!ByteBuffer} Copy
|
||
* @expose
|
||
*/
|
||
ByteBufferPrototype.copy = function(begin, end) {
|
||
if (typeof begin === 'undefined') begin = this.offset;
|
||
if (typeof end === 'undefined') end = this.limit;
|
||
if (!this.noAssert) {
|
||
if (typeof begin !== 'number' || begin % 1 !== 0)
|
||
throw TypeError("Illegal begin: Not an integer");
|
||
begin >>>= 0;
|
||
if (typeof end !== 'number' || end % 1 !== 0)
|
||
throw TypeError("Illegal end: Not an integer");
|
||
end >>>= 0;
|
||
if (begin < 0 || begin > end || end > this.buffer.byteLength)
|
||
throw RangeError("Illegal range: 0 <= "+begin+" <= "+end+" <= "+this.buffer.byteLength);
|
||
}
|
||
if (begin === end)
|
||
return new ByteBuffer(0, this.littleEndian, this.noAssert);
|
||
var capacity = end - begin,
|
||
bb = new ByteBuffer(capacity, this.littleEndian, this.noAssert);
|
||
bb.offset = 0;
|
||
bb.limit = capacity;
|
||
if (bb.markedOffset >= 0) bb.markedOffset -= begin;
|
||
this.copyTo(bb, 0, begin, end);
|
||
return bb;
|
||
};
|
||
|
||
/**
|
||
* Copies this ByteBuffer's contents to another ByteBuffer. Contents are the bytes between {@link ByteBuffer#offset} and
|
||
* {@link ByteBuffer#limit}.
|
||
* @param {!ByteBuffer} target Target ByteBuffer
|
||
* @param {number=} targetOffset Offset to copy to. Will use and increase the target's {@link ByteBuffer#offset}
|
||
* by the number of bytes copied if omitted.
|
||
* @param {number=} sourceOffset Offset to start copying from. Will use and increase {@link ByteBuffer#offset} by the
|
||
* number of bytes copied if omitted.
|
||
* @param {number=} sourceLimit Offset to end copying from, defaults to {@link ByteBuffer#limit}
|
||
* @returns {!ByteBuffer} this
|
||
* @expose
|
||
*/
|
||
ByteBufferPrototype.copyTo = function(target, targetOffset, sourceOffset, sourceLimit) {
|
||
var relative,
|
||
targetRelative;
|
||
if (!this.noAssert) {
|
||
if (!ByteBuffer.isByteBuffer(target))
|
||
throw TypeError("Illegal target: Not a ByteBuffer");
|
||
}
|
||
targetOffset = (targetRelative = typeof targetOffset === 'undefined') ? target.offset : targetOffset | 0;
|
||
sourceOffset = (relative = typeof sourceOffset === 'undefined') ? this.offset : sourceOffset | 0;
|
||
sourceLimit = typeof sourceLimit === 'undefined' ? this.limit : sourceLimit | 0;
|
||
|
||
if (targetOffset < 0 || targetOffset > target.buffer.byteLength)
|
||
throw RangeError("Illegal target range: 0 <= "+targetOffset+" <= "+target.buffer.byteLength);
|
||
if (sourceOffset < 0 || sourceLimit > this.buffer.byteLength)
|
||
throw RangeError("Illegal source range: 0 <= "+sourceOffset+" <= "+this.buffer.byteLength);
|
||
|
||
var len = sourceLimit - sourceOffset;
|
||
if (len === 0)
|
||
return target; // Nothing to copy
|
||
|
||
target.ensureCapacity(targetOffset + len);
|
||
|
||
new Uint8Array(target.buffer).set(new Uint8Array(this.buffer).subarray(sourceOffset, sourceLimit), targetOffset);
|
||
|
||
if (relative) this.offset += len;
|
||
if (targetRelative) target.offset += len;
|
||
|
||
return this;
|
||
};
|
||
|
||
/**
|
||
* Makes sure that this ByteBuffer is backed by a {@link ByteBuffer#buffer} of at least the specified capacity. If the
|
||
* current capacity is exceeded, it will be doubled. If double the current capacity is less than the required capacity,
|
||
* the required capacity will be used instead.
|
||
* @param {number} capacity Required capacity
|
||
* @returns {!ByteBuffer} this
|
||
* @expose
|
||
*/
|
||
ByteBufferPrototype.ensureCapacity = function(capacity) {
|
||
var current = this.buffer.byteLength;
|
||
if (current < capacity)
|
||
return this.resize((current *= 2) > capacity ? current : capacity);
|
||
return this;
|
||
};
|
||
|
||
/**
|
||
* Overwrites this ByteBuffer's contents with the specified value. Contents are the bytes between
|
||
* {@link ByteBuffer#offset} and {@link ByteBuffer#limit}.
|
||
* @param {number|string} value Byte value to fill with. If given as a string, the first character is used.
|
||
* @param {number=} begin Begin offset. Will use and increase {@link ByteBuffer#offset} by the number of bytes
|
||
* written if omitted. defaults to {@link ByteBuffer#offset}.
|
||
* @param {number=} end End offset, defaults to {@link ByteBuffer#limit}.
|
||
* @returns {!ByteBuffer} this
|
||
* @expose
|
||
* @example `someByteBuffer.clear().fill(0)` fills the entire backing buffer with zeroes
|
||
*/
|
||
ByteBufferPrototype.fill = function(value, begin, end) {
|
||
var relative = typeof begin === 'undefined';
|
||
if (relative) begin = this.offset;
|
||
if (typeof value === 'string' && value.length > 0)
|
||
value = value.charCodeAt(0);
|
||
if (typeof begin === 'undefined') begin = this.offset;
|
||
if (typeof end === 'undefined') end = this.limit;
|
||
if (!this.noAssert) {
|
||
if (typeof value !== 'number' || value % 1 !== 0)
|
||
throw TypeError("Illegal value: "+value+" (not an integer)");
|
||
value |= 0;
|
||
if (typeof begin !== 'number' || begin % 1 !== 0)
|
||
throw TypeError("Illegal begin: Not an integer");
|
||
begin >>>= 0;
|
||
if (typeof end !== 'number' || end % 1 !== 0)
|
||
throw TypeError("Illegal end: Not an integer");
|
||
end >>>= 0;
|
||
if (begin < 0 || begin > end || end > this.buffer.byteLength)
|
||
throw RangeError("Illegal range: 0 <= "+begin+" <= "+end+" <= "+this.buffer.byteLength);
|
||
}
|
||
if (begin >= end)
|
||
return this; // Nothing to fill
|
||
while (begin < end) this.view.setUint8(begin++, value);
|
||
if (relative) this.offset = begin;
|
||
return this;
|
||
};
|
||
|
||
/**
|
||
* Makes this ByteBuffer ready for a new sequence of write or relative read operations. Sets `limit = offset` and
|
||
* `offset = 0`. Make sure always to flip a ByteBuffer when all relative read or write operations are complete.
|
||
* @returns {!ByteBuffer} this
|
||
* @expose
|
||
*/
|
||
ByteBufferPrototype.flip = function() {
|
||
this.limit = this.offset;
|
||
this.offset = 0;
|
||
return this;
|
||
};
|
||
/**
|
||
* Marks an offset on this ByteBuffer to be used later.
|
||
* @param {number=} offset Offset to mark. Defaults to {@link ByteBuffer#offset}.
|
||
* @returns {!ByteBuffer} this
|
||
* @throws {TypeError} If `offset` is not a valid number
|
||
* @throws {RangeError} If `offset` is out of bounds
|
||
* @see ByteBuffer#reset
|
||
* @expose
|
||
*/
|
||
ByteBufferPrototype.mark = function(offset) {
|
||
offset = typeof offset === 'undefined' ? this.offset : offset;
|
||
if (!this.noAssert) {
|
||
if (typeof offset !== 'number' || offset % 1 !== 0)
|
||
throw TypeError("Illegal offset: "+offset+" (not an integer)");
|
||
offset >>>= 0;
|
||
if (offset < 0 || offset + 0 > this.buffer.byteLength)
|
||
throw RangeError("Illegal offset: 0 <= "+offset+" (+"+0+") <= "+this.buffer.byteLength);
|
||
}
|
||
this.markedOffset = offset;
|
||
return this;
|
||
};
|
||
/**
|
||
* Sets the byte order.
|
||
* @param {boolean} littleEndian `true` for little endian byte order, `false` for big endian
|
||
* @returns {!ByteBuffer} this
|
||
* @expose
|
||
*/
|
||
ByteBufferPrototype.order = function(littleEndian) {
|
||
if (!this.noAssert) {
|
||
if (typeof littleEndian !== 'boolean')
|
||
throw TypeError("Illegal littleEndian: Not a boolean");
|
||
}
|
||
this.littleEndian = !!littleEndian;
|
||
return this;
|
||
};
|
||
|
||
/**
|
||
* Switches (to) little endian byte order.
|
||
* @param {boolean=} littleEndian Defaults to `true`, otherwise uses big endian
|
||
* @returns {!ByteBuffer} this
|
||
* @expose
|
||
*/
|
||
ByteBufferPrototype.LE = function(littleEndian) {
|
||
this.littleEndian = typeof littleEndian !== 'undefined' ? !!littleEndian : true;
|
||
return this;
|
||
};
|
||
|
||
/**
|
||
* Switches (to) big endian byte order.
|
||
* @param {boolean=} bigEndian Defaults to `true`, otherwise uses little endian
|
||
* @returns {!ByteBuffer} this
|
||
* @expose
|
||
*/
|
||
ByteBufferPrototype.BE = function(bigEndian) {
|
||
this.littleEndian = typeof bigEndian !== 'undefined' ? !bigEndian : false;
|
||
return this;
|
||
};
|
||
/**
|
||
* Prepends some data to this ByteBuffer. This will overwrite any contents before the specified offset up to the
|
||
* prepended data's length. If there is not enough space available before the specified `offset`, the backing buffer
|
||
* will be resized and its contents moved accordingly.
|
||
* @param {!ByteBuffer|string|!ArrayBuffer} source Data to prepend. If `source` is a ByteBuffer, its offset will be
|
||
* modified according to the performed read operation.
|
||
* @param {(string|number)=} encoding Encoding if `data` is a string ("base64", "hex", "binary", defaults to "utf8")
|
||
* @param {number=} offset Offset to prepend at. Will use and decrease {@link ByteBuffer#offset} by the number of bytes
|
||
* prepended if omitted.
|
||
* @returns {!ByteBuffer} this
|
||
* @expose
|
||
* @example A relative `00<01 02 03>.prepend(<04 05>)` results in `<04 05 01 02 03>, 04 05|`
|
||
* @example An absolute `00<01 02 03>.prepend(<04 05>, 2)` results in `04<05 02 03>, 04 05|`
|
||
*/
|
||
ByteBufferPrototype.prepend = function(source, encoding, offset) {
|
||
if (typeof encoding === 'number' || typeof encoding !== 'string') {
|
||
offset = encoding;
|
||
encoding = undefined;
|
||
}
|
||
var relative = typeof offset === 'undefined';
|
||
if (relative) offset = this.offset;
|
||
if (!this.noAssert) {
|
||
if (typeof offset !== 'number' || offset % 1 !== 0)
|
||
throw TypeError("Illegal offset: "+offset+" (not an integer)");
|
||
offset >>>= 0;
|
||
if (offset < 0 || offset + 0 > this.buffer.byteLength)
|
||
throw RangeError("Illegal offset: 0 <= "+offset+" (+"+0+") <= "+this.buffer.byteLength);
|
||
}
|
||
if (!(source instanceof ByteBuffer))
|
||
source = ByteBuffer.wrap(source, encoding);
|
||
var len = source.limit - source.offset;
|
||
if (len <= 0) return this; // Nothing to prepend
|
||
var diff = len - offset;
|
||
var arrayView;
|
||
if (diff > 0) { // Not enough space before offset, so resize + move
|
||
var buffer = new ArrayBuffer(this.buffer.byteLength + diff);
|
||
arrayView = new Uint8Array(buffer);
|
||
arrayView.set(new Uint8Array(this.buffer).subarray(offset, this.buffer.byteLength), len);
|
||
this.buffer = buffer;
|
||
this.view = new DataView(buffer);
|
||
this.offset += diff;
|
||
if (this.markedOffset >= 0) this.markedOffset += diff;
|
||
this.limit += diff;
|
||
offset += diff;
|
||
} else {
|
||
arrayView = new Uint8Array(this.buffer);
|
||
}
|
||
arrayView.set(new Uint8Array(source.buffer).subarray(source.offset, source.limit), offset - len);
|
||
source.offset = source.limit;
|
||
if (relative)
|
||
this.offset -= len;
|
||
return this;
|
||
};
|
||
|
||
/**
|
||
* Prepends this ByteBuffer to another ByteBuffer. This will overwrite any contents before the specified offset up to the
|
||
* prepended data's length. If there is not enough space available before the specified `offset`, the backing buffer
|
||
* will be resized and its contents moved accordingly.
|
||
* @param {!ByteBuffer} target Target ByteBuffer
|
||
* @param {number=} offset Offset to prepend at. Will use and decrease {@link ByteBuffer#offset} by the number of bytes
|
||
* prepended if omitted.
|
||
* @returns {!ByteBuffer} this
|
||
* @expose
|
||
* @see ByteBuffer#prepend
|
||
*/
|
||
ByteBufferPrototype.prependTo = function(target, offset) {
|
||
target.prepend(this, offset);
|
||
return this;
|
||
};
|
||
/**
|
||
* Prints debug information about this ByteBuffer's contents.
|
||
* @param {function(string)=} out Output function to call, defaults to console.log
|
||
* @expose
|
||
*/
|
||
ByteBufferPrototype.printDebug = function(out) {
|
||
if (typeof out !== 'function') out = console.log.bind(console);
|
||
out(
|
||
this.toString()+"\n"+
|
||
"-------------------------------------------------------------------\n"+
|
||
this.toDebug(/* columns */ true)
|
||
);
|
||
};
|
||
|
||
/**
|
||
* Gets the number of remaining readable bytes. Contents are the bytes between {@link ByteBuffer#offset} and
|
||
* {@link ByteBuffer#limit}, so this returns `limit - offset`.
|
||
* @returns {number} Remaining readable bytes. May be negative if `offset > limit`.
|
||
* @expose
|
||
*/
|
||
ByteBufferPrototype.remaining = function() {
|
||
return this.limit - this.offset;
|
||
};
|
||
/**
|
||
* Resets this ByteBuffer's {@link ByteBuffer#offset}. If an offset has been marked through {@link ByteBuffer#mark}
|
||
* before, `offset` will be set to {@link ByteBuffer#markedOffset}, which will then be discarded. If no offset has been
|
||
* marked, sets `offset = 0`.
|
||
* @returns {!ByteBuffer} this
|
||
* @see ByteBuffer#mark
|
||
* @expose
|
||
*/
|
||
ByteBufferPrototype.reset = function() {
|
||
if (this.markedOffset >= 0) {
|
||
this.offset = this.markedOffset;
|
||
this.markedOffset = -1;
|
||
} else {
|
||
this.offset = 0;
|
||
}
|
||
return this;
|
||
};
|
||
/**
|
||
* Resizes this ByteBuffer to be backed by a buffer of at least the given capacity. Will do nothing if already that
|
||
* large or larger.
|
||
* @param {number} capacity Capacity required
|
||
* @returns {!ByteBuffer} this
|
||
* @throws {TypeError} If `capacity` is not a number
|
||
* @throws {RangeError} If `capacity < 0`
|
||
* @expose
|
||
*/
|
||
ByteBufferPrototype.resize = function(capacity) {
|
||
if (!this.noAssert) {
|
||
if (typeof capacity !== 'number' || capacity % 1 !== 0)
|
||
throw TypeError("Illegal capacity: "+capacity+" (not an integer)");
|
||
capacity |= 0;
|
||
if (capacity < 0)
|
||
throw RangeError("Illegal capacity: 0 <= "+capacity);
|
||
}
|
||
if (this.buffer.byteLength < capacity) {
|
||
var buffer = new ArrayBuffer(capacity);
|
||
new Uint8Array(buffer).set(new Uint8Array(this.buffer));
|
||
this.buffer = buffer;
|
||
this.view = new DataView(buffer);
|
||
}
|
||
return this;
|
||
};
|
||
/**
|
||
* Reverses this ByteBuffer's contents.
|
||
* @param {number=} begin Offset to start at, defaults to {@link ByteBuffer#offset}
|
||
* @param {number=} end Offset to end at, defaults to {@link ByteBuffer#limit}
|
||
* @returns {!ByteBuffer} this
|
||
* @expose
|
||
*/
|
||
ByteBufferPrototype.reverse = function(begin, end) {
|
||
if (typeof begin === 'undefined') begin = this.offset;
|
||
if (typeof end === 'undefined') end = this.limit;
|
||
if (!this.noAssert) {
|
||
if (typeof begin !== 'number' || begin % 1 !== 0)
|
||
throw TypeError("Illegal begin: Not an integer");
|
||
begin >>>= 0;
|
||
if (typeof end !== 'number' || end % 1 !== 0)
|
||
throw TypeError("Illegal end: Not an integer");
|
||
end >>>= 0;
|
||
if (begin < 0 || begin > end || end > this.buffer.byteLength)
|
||
throw RangeError("Illegal range: 0 <= "+begin+" <= "+end+" <= "+this.buffer.byteLength);
|
||
}
|
||
if (begin === end)
|
||
return this; // Nothing to reverse
|
||
Array.prototype.reverse.call(new Uint8Array(this.buffer).subarray(begin, end));
|
||
this.view = new DataView(this.buffer); // FIXME: Why exactly is this necessary?
|
||
return this;
|
||
};
|
||
/**
|
||
* Skips the next `length` bytes. This will just advance
|
||
* @param {number} length Number of bytes to skip. May also be negative to move the offset back.
|
||
* @returns {!ByteBuffer} this
|
||
* @expose
|
||
*/
|
||
ByteBufferPrototype.skip = function(length) {
|
||
if (!this.noAssert) {
|
||
if (typeof length !== 'number' || length % 1 !== 0)
|
||
throw TypeError("Illegal length: "+length+" (not an integer)");
|
||
length |= 0;
|
||
}
|
||
var offset = this.offset + length;
|
||
if (!this.noAssert) {
|
||
if (offset < 0 || offset > this.buffer.byteLength)
|
||
throw RangeError("Illegal length: 0 <= "+this.offset+" + "+length+" <= "+this.buffer.byteLength);
|
||
}
|
||
this.offset = offset;
|
||
return this;
|
||
};
|
||
|
||
/**
|
||
* Slices this ByteBuffer by creating a cloned instance with `offset = begin` and `limit = end`.
|
||
* @param {number=} begin Begin offset, defaults to {@link ByteBuffer#offset}.
|
||
* @param {number=} end End offset, defaults to {@link ByteBuffer#limit}.
|
||
* @returns {!ByteBuffer} Clone of this ByteBuffer with slicing applied, backed by the same {@link ByteBuffer#buffer}
|
||
* @expose
|
||
*/
|
||
ByteBufferPrototype.slice = function(begin, end) {
|
||
if (typeof begin === 'undefined') begin = this.offset;
|
||
if (typeof end === 'undefined') end = this.limit;
|
||
if (!this.noAssert) {
|
||
if (typeof begin !== 'number' || begin % 1 !== 0)
|
||
throw TypeError("Illegal begin: Not an integer");
|
||
begin >>>= 0;
|
||
if (typeof end !== 'number' || end % 1 !== 0)
|
||
throw TypeError("Illegal end: Not an integer");
|
||
end >>>= 0;
|
||
if (begin < 0 || begin > end || end > this.buffer.byteLength)
|
||
throw RangeError("Illegal range: 0 <= "+begin+" <= "+end+" <= "+this.buffer.byteLength);
|
||
}
|
||
var bb = this.clone();
|
||
bb.offset = begin;
|
||
bb.limit = end;
|
||
return bb;
|
||
};
|
||
/**
|
||
* Returns a copy of the backing buffer that contains this ByteBuffer's contents. Contents are the bytes between
|
||
* {@link ByteBuffer#offset} and {@link ByteBuffer#limit}. Will transparently {@link ByteBuffer#flip} this
|
||
* ByteBuffer if `offset > limit` but the actual offsets remain untouched.
|
||
* @param {boolean=} forceCopy If `true` returns a copy, otherwise returns a view referencing the same memory if
|
||
* possible. Defaults to `false`
|
||
* @returns {!ArrayBuffer} Contents as an ArrayBuffer
|
||
* @expose
|
||
*/
|
||
ByteBufferPrototype.toBuffer = function(forceCopy) {
|
||
var offset = this.offset,
|
||
limit = this.limit;
|
||
if (offset > limit) {
|
||
var t = offset;
|
||
offset = limit;
|
||
limit = t;
|
||
}
|
||
if (!this.noAssert) {
|
||
if (typeof offset !== 'number' || offset % 1 !== 0)
|
||
throw TypeError("Illegal offset: Not an integer");
|
||
offset >>>= 0;
|
||
if (typeof limit !== 'number' || limit % 1 !== 0)
|
||
throw TypeError("Illegal limit: Not an integer");
|
||
limit >>>= 0;
|
||
if (offset < 0 || offset > limit || limit > this.buffer.byteLength)
|
||
throw RangeError("Illegal range: 0 <= "+offset+" <= "+limit+" <= "+this.buffer.byteLength);
|
||
}
|
||
// NOTE: It's not possible to have another ArrayBuffer reference the same memory as the backing buffer. This is
|
||
// possible with Uint8Array#subarray only, but we have to return an ArrayBuffer by contract. So:
|
||
if (!forceCopy && offset === 0 && limit === this.buffer.byteLength) {
|
||
return this.buffer;
|
||
}
|
||
if (offset === limit) {
|
||
return EMPTY_BUFFER;
|
||
}
|
||
var buffer = new ArrayBuffer(limit - offset);
|
||
new Uint8Array(buffer).set(new Uint8Array(this.buffer).subarray(offset, limit), 0);
|
||
return buffer;
|
||
};
|
||
|
||
/**
|
||
* Returns a raw buffer compacted to contain this ByteBuffer's contents. Contents are the bytes between
|
||
* {@link ByteBuffer#offset} and {@link ByteBuffer#limit}. Will transparently {@link ByteBuffer#flip} this
|
||
* ByteBuffer if `offset > limit` but the actual offsets remain untouched. This is an alias of
|
||
* {@link ByteBuffer#toBuffer}.
|
||
* @function
|
||
* @param {boolean=} forceCopy If `true` returns a copy, otherwise returns a view referencing the same memory.
|
||
* Defaults to `false`
|
||
* @returns {!ArrayBuffer} Contents as an ArrayBuffer
|
||
* @expose
|
||
*/
|
||
ByteBufferPrototype.toArrayBuffer = ByteBufferPrototype.toBuffer;
|
||
|
||
|
||
/**
|
||
* Converts the ByteBuffer's contents to a string.
|
||
* @param {string=} encoding Output encoding. Returns an informative string representation if omitted but also allows
|
||
* direct conversion to "utf8", "hex", "base64" and "binary" encoding. "debug" returns a hex representation with
|
||
* highlighted offsets.
|
||
* @param {number=} begin Offset to begin at, defaults to {@link ByteBuffer#offset}
|
||
* @param {number=} end Offset to end at, defaults to {@link ByteBuffer#limit}
|
||
* @returns {string} String representation
|
||
* @throws {Error} If `encoding` is invalid
|
||
* @expose
|
||
*/
|
||
ByteBufferPrototype.toString = function(encoding, begin, end) {
|
||
if (typeof encoding === 'undefined')
|
||
return "ByteBufferAB(offset="+this.offset+",markedOffset="+this.markedOffset+",limit="+this.limit+",capacity="+this.capacity()+")";
|
||
if (typeof encoding === 'number')
|
||
encoding = "utf8",
|
||
begin = encoding,
|
||
end = begin;
|
||
switch (encoding) {
|
||
case "utf8":
|
||
return this.toUTF8(begin, end);
|
||
case "base64":
|
||
return this.toBase64(begin, end);
|
||
case "hex":
|
||
return this.toHex(begin, end);
|
||
case "binary":
|
||
return this.toBinary(begin, end);
|
||
case "debug":
|
||
return this.toDebug();
|
||
case "columns":
|
||
return this.toColumns();
|
||
default:
|
||
throw Error("Unsupported encoding: "+encoding);
|
||
}
|
||
};
|
||
|
||
// lxiv-embeddable
|
||
|
||
/**
|
||
* lxiv-embeddable (c) 2014 Daniel Wirtz <dcode@dcode.io>
|
||
* Released under the Apache License, Version 2.0
|
||
* see: https://github.com/dcodeIO/lxiv for details
|
||
*/
|
||
var lxiv = function() {
|
||
"use strict";
|
||
|
||
/**
|
||
* lxiv namespace.
|
||
* @type {!Object.<string,*>}
|
||
* @exports lxiv
|
||
*/
|
||
var lxiv = {};
|
||
|
||
/**
|
||
* Character codes for output.
|
||
* @type {!Array.<number>}
|
||
* @inner
|
||
*/
|
||
var aout = [
|
||
65, 66, 67, 68, 69, 70, 71, 72, 73, 74, 75, 76, 77, 78, 79, 80,
|
||
81, 82, 83, 84, 85, 86, 87, 88, 89, 90, 97, 98, 99, 100, 101, 102,
|
||
103, 104, 105, 106, 107, 108, 109, 110, 111, 112, 113, 114, 115, 116, 117, 118,
|
||
119, 120, 121, 122, 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 43, 47
|
||
];
|
||
|
||
/**
|
||
* Character codes for input.
|
||
* @type {!Array.<number>}
|
||
* @inner
|
||
*/
|
||
var ain = [];
|
||
for (var i=0, k=aout.length; i<k; ++i)
|
||
ain[aout[i]] = i;
|
||
|
||
/**
|
||
* Encodes bytes to base64 char codes.
|
||
* @param {!function():number|null} src Bytes source as a function returning the next byte respectively `null` if
|
||
* there are no more bytes left.
|
||
* @param {!function(number)} dst Characters destination as a function successively called with each encoded char
|
||
* code.
|
||
*/
|
||
lxiv.encode = function(src, dst) {
|
||
var b, t;
|
||
while ((b = src()) !== null) {
|
||
dst(aout[(b>>2)&0x3f]);
|
||
t = (b&0x3)<<4;
|
||
if ((b = src()) !== null) {
|
||
t |= (b>>4)&0xf;
|
||
dst(aout[(t|((b>>4)&0xf))&0x3f]);
|
||
t = (b&0xf)<<2;
|
||
if ((b = src()) !== null)
|
||
dst(aout[(t|((b>>6)&0x3))&0x3f]),
|
||
dst(aout[b&0x3f]);
|
||
else
|
||
dst(aout[t&0x3f]),
|
||
dst(61);
|
||
} else
|
||
dst(aout[t&0x3f]),
|
||
dst(61),
|
||
dst(61);
|
||
}
|
||
};
|
||
|
||
/**
|
||
* Decodes base64 char codes to bytes.
|
||
* @param {!function():number|null} src Characters source as a function returning the next char code respectively
|
||
* `null` if there are no more characters left.
|
||
* @param {!function(number)} dst Bytes destination as a function successively called with the next byte.
|
||
* @throws {Error} If a character code is invalid
|
||
*/
|
||
lxiv.decode = function(src, dst) {
|
||
var c, t1, t2;
|
||
function fail(c) {
|
||
throw Error("Illegal character code: "+c);
|
||
}
|
||
while ((c = src()) !== null) {
|
||
t1 = ain[c];
|
||
if (typeof t1 === 'undefined') fail(c);
|
||
if ((c = src()) !== null) {
|
||
t2 = ain[c];
|
||
if (typeof t2 === 'undefined') fail(c);
|
||
dst((t1<<2)>>>0|(t2&0x30)>>4);
|
||
if ((c = src()) !== null) {
|
||
t1 = ain[c];
|
||
if (typeof t1 === 'undefined')
|
||
if (c === 61) break; else fail(c);
|
||
dst(((t2&0xf)<<4)>>>0|(t1&0x3c)>>2);
|
||
if ((c = src()) !== null) {
|
||
t2 = ain[c];
|
||
if (typeof t2 === 'undefined')
|
||
if (c === 61) break; else fail(c);
|
||
dst(((t1&0x3)<<6)>>>0|t2);
|
||
}
|
||
}
|
||
}
|
||
}
|
||
};
|
||
|
||
/**
|
||
* Tests if a string is valid base64.
|
||
* @param {string} str String to test
|
||
* @returns {boolean} `true` if valid, otherwise `false`
|
||
*/
|
||
lxiv.test = function(str) {
|
||
return /^(?:[A-Za-z0-9+/]{4})*(?:[A-Za-z0-9+/]{2}==|[A-Za-z0-9+/]{3}=)?$/.test(str);
|
||
};
|
||
|
||
return lxiv;
|
||
}();
|
||
|
||
// encodings/base64
|
||
|
||
/**
|
||
* Encodes this ByteBuffer's contents to a base64 encoded string.
|
||
* @param {number=} begin Offset to begin at, defaults to {@link ByteBuffer#offset}.
|
||
* @param {number=} end Offset to end at, defaults to {@link ByteBuffer#limit}.
|
||
* @returns {string} Base64 encoded string
|
||
* @expose
|
||
*/
|
||
ByteBufferPrototype.toBase64 = function(begin, end) {
|
||
if (typeof begin === 'undefined')
|
||
begin = this.offset;
|
||
if (typeof end === 'undefined')
|
||
end = this.limit;
|
||
if (!this.noAssert) {
|
||
if (typeof begin !== 'number' || begin % 1 !== 0)
|
||
throw TypeError("Illegal begin: Not an integer");
|
||
begin >>>= 0;
|
||
if (typeof end !== 'number' || end % 1 !== 0)
|
||
throw TypeError("Illegal end: Not an integer");
|
||
end >>>= 0;
|
||
if (begin < 0 || begin > end || end > this.buffer.byteLength)
|
||
throw RangeError("Illegal range: 0 <= "+begin+" <= "+end+" <= "+this.buffer.byteLength);
|
||
}
|
||
var sd; lxiv.encode(function() {
|
||
return begin < end ? this.view.getUint8(begin++) : null;
|
||
}.bind(this), sd = stringDestination());
|
||
return sd();
|
||
};
|
||
|
||
/**
|
||
* Decodes a base64 encoded string to a ByteBuffer.
|
||
* @param {string} str String to decode
|
||
* @param {boolean=} littleEndian Whether to use little or big endian byte order. Defaults to
|
||
* {@link ByteBuffer.DEFAULT_ENDIAN}.
|
||
* @param {boolean=} noAssert Whether to skip assertions of offsets and values. Defaults to
|
||
* {@link ByteBuffer.DEFAULT_NOASSERT}.
|
||
* @returns {!ByteBuffer} ByteBuffer
|
||
* @expose
|
||
*/
|
||
ByteBuffer.fromBase64 = function(str, littleEndian, noAssert) {
|
||
if (!noAssert) {
|
||
if (typeof str !== 'string')
|
||
throw TypeError("Illegal str: Not a string");
|
||
if (str.length % 4 !== 0)
|
||
throw TypeError("Illegal str: Length not a multiple of 4");
|
||
}
|
||
var bb = new ByteBuffer(str.length/4*3, littleEndian, noAssert),
|
||
i = 0;
|
||
lxiv.decode(stringSource(str), function(b) {
|
||
bb.view.setUint8(i++, b);
|
||
});
|
||
bb.limit = i;
|
||
return bb;
|
||
};
|
||
|
||
/**
|
||
* Encodes a binary string to base64 like `window.btoa` does.
|
||
* @param {string} str Binary string
|
||
* @returns {string} Base64 encoded string
|
||
* @see https://developer.mozilla.org/en-US/docs/Web/API/Window.btoa
|
||
* @expose
|
||
*/
|
||
ByteBuffer.btoa = function(str) {
|
||
return ByteBuffer.fromBinary(str).toBase64();
|
||
};
|
||
|
||
/**
|
||
* Decodes a base64 encoded string to binary like `window.atob` does.
|
||
* @param {string} b64 Base64 encoded string
|
||
* @returns {string} Binary string
|
||
* @see https://developer.mozilla.org/en-US/docs/Web/API/Window.atob
|
||
* @expose
|
||
*/
|
||
ByteBuffer.atob = function(b64) {
|
||
return ByteBuffer.fromBase64(b64).toBinary();
|
||
};
|
||
|
||
// encodings/binary
|
||
|
||
/**
|
||
* Encodes this ByteBuffer to a binary encoded string, that is using only characters 0x00-0xFF as bytes.
|
||
* @param {number=} begin Offset to begin at. Defaults to {@link ByteBuffer#offset}.
|
||
* @param {number=} end Offset to end at. Defaults to {@link ByteBuffer#limit}.
|
||
* @returns {string} Binary encoded string
|
||
* @throws {RangeError} If `offset > limit`
|
||
* @expose
|
||
*/
|
||
ByteBufferPrototype.toBinary = function(begin, end) {
|
||
begin = typeof begin === 'undefined' ? this.offset : begin;
|
||
end = typeof end === 'undefined' ? this.limit : end;
|
||
if (!this.noAssert) {
|
||
if (typeof begin !== 'number' || begin % 1 !== 0)
|
||
throw TypeError("Illegal begin: Not an integer");
|
||
begin >>>= 0;
|
||
if (typeof end !== 'number' || end % 1 !== 0)
|
||
throw TypeError("Illegal end: Not an integer");
|
||
end >>>= 0;
|
||
if (begin < 0 || begin > end || end > this.buffer.byteLength)
|
||
throw RangeError("Illegal range: 0 <= "+begin+" <= "+end+" <= "+this.buffer.byteLength);
|
||
}
|
||
if (begin === end)
|
||
return "";
|
||
var cc = [], pt = [];
|
||
while (begin < end) {
|
||
cc.push(this.view.getUint8(begin++));
|
||
if (cc.length >= 1024)
|
||
pt.push(String.fromCharCode.apply(String, cc)),
|
||
cc = [];
|
||
}
|
||
return pt.join('') + String.fromCharCode.apply(String, cc);
|
||
};
|
||
|
||
/**
|
||
* Decodes a binary encoded string, that is using only characters 0x00-0xFF as bytes, to a ByteBuffer.
|
||
* @param {string} str String to decode
|
||
* @param {boolean=} littleEndian Whether to use little or big endian byte order. Defaults to
|
||
* {@link ByteBuffer.DEFAULT_ENDIAN}.
|
||
* @param {boolean=} noAssert Whether to skip assertions of offsets and values. Defaults to
|
||
* {@link ByteBuffer.DEFAULT_NOASSERT}.
|
||
* @returns {!ByteBuffer} ByteBuffer
|
||
* @expose
|
||
*/
|
||
ByteBuffer.fromBinary = function(str, littleEndian, noAssert) {
|
||
if (!noAssert) {
|
||
if (typeof str !== 'string')
|
||
throw TypeError("Illegal str: Not a string");
|
||
}
|
||
var i = 0, k = str.length, charCode,
|
||
bb = new ByteBuffer(k, littleEndian, noAssert);
|
||
while (i<k) {
|
||
charCode = str.charCodeAt(i);
|
||
if (!noAssert && charCode > 255)
|
||
throw RangeError("Illegal charCode at "+i+": 0 <= "+charCode+" <= 255");
|
||
bb.view.setUint8(i++, charCode);
|
||
}
|
||
bb.limit = k;
|
||
return bb;
|
||
};
|
||
|
||
// encodings/debug
|
||
|
||
/**
|
||
* Encodes this ByteBuffer to a hex encoded string with marked offsets. Offset symbols are:
|
||
* * `<` : offset,
|
||
* * `'` : markedOffset,
|
||
* * `>` : limit,
|
||
* * `|` : offset and limit,
|
||
* * `[` : offset and markedOffset,
|
||
* * `]` : markedOffset and limit,
|
||
* * `!` : offset, markedOffset and limit
|
||
* @param {boolean=} columns If `true` returns two columns hex + ascii, defaults to `false`
|
||
* @returns {string|!Array.<string>} Debug string or array of lines if `asArray = true`
|
||
* @expose
|
||
* @example `>00'01 02<03` contains four bytes with `limit=0, markedOffset=1, offset=3`
|
||
* @example `00[01 02 03>` contains four bytes with `offset=markedOffset=1, limit=4`
|
||
* @example `00|01 02 03` contains four bytes with `offset=limit=1, markedOffset=-1`
|
||
* @example `|` contains zero bytes with `offset=limit=0, markedOffset=-1`
|
||
*/
|
||
ByteBufferPrototype.toDebug = function(columns) {
|
||
var i = -1,
|
||
k = this.buffer.byteLength,
|
||
b,
|
||
hex = "",
|
||
asc = "",
|
||
out = "";
|
||
while (i<k) {
|
||
if (i !== -1) {
|
||
b = this.view.getUint8(i);
|
||
if (b < 0x10) hex += "0"+b.toString(16).toUpperCase();
|
||
else hex += b.toString(16).toUpperCase();
|
||
if (columns) {
|
||
asc += b > 32 && b < 127 ? String.fromCharCode(b) : '.';
|
||
}
|
||
}
|
||
++i;
|
||
if (columns) {
|
||
if (i > 0 && i % 16 === 0 && i !== k) {
|
||
while (hex.length < 3*16+3) hex += " ";
|
||
out += hex+asc+"\n";
|
||
hex = asc = "";
|
||
}
|
||
}
|
||
if (i === this.offset && i === this.limit)
|
||
hex += i === this.markedOffset ? "!" : "|";
|
||
else if (i === this.offset)
|
||
hex += i === this.markedOffset ? "[" : "<";
|
||
else if (i === this.limit)
|
||
hex += i === this.markedOffset ? "]" : ">";
|
||
else
|
||
hex += i === this.markedOffset ? "'" : (columns || (i !== 0 && i !== k) ? " " : "");
|
||
}
|
||
if (columns && hex !== " ") {
|
||
while (hex.length < 3*16+3) hex += " ";
|
||
out += hex+asc+"\n";
|
||
}
|
||
return columns ? out : hex;
|
||
};
|
||
|
||
/**
|
||
* Decodes a hex encoded string with marked offsets to a ByteBuffer.
|
||
* @param {string} str Debug string to decode (not be generated with `columns = true`)
|
||
* @param {boolean=} littleEndian Whether to use little or big endian byte order. Defaults to
|
||
* {@link ByteBuffer.DEFAULT_ENDIAN}.
|
||
* @param {boolean=} noAssert Whether to skip assertions of offsets and values. Defaults to
|
||
* {@link ByteBuffer.DEFAULT_NOASSERT}.
|
||
* @returns {!ByteBuffer} ByteBuffer
|
||
* @expose
|
||
* @see ByteBuffer#toDebug
|
||
*/
|
||
ByteBuffer.fromDebug = function(str, littleEndian, noAssert) {
|
||
var k = str.length,
|
||
bb = new ByteBuffer(((k+1)/3)|0, littleEndian, noAssert);
|
||
var i = 0, j = 0, ch, b,
|
||
rs = false, // Require symbol next
|
||
ho = false, hm = false, hl = false, // Already has offset, markedOffset, limit?
|
||
fail = false;
|
||
while (i<k) {
|
||
switch (ch = str.charAt(i++)) {
|
||
case '!':
|
||
if (!noAssert) {
|
||
if (ho || hm || hl) {
|
||
fail = true; break;
|
||
}
|
||
ho = hm = hl = true;
|
||
}
|
||
bb.offset = bb.markedOffset = bb.limit = j;
|
||
rs = false;
|
||
break;
|
||
case '|':
|
||
if (!noAssert) {
|
||
if (ho || hl) {
|
||
fail = true; break;
|
||
}
|
||
ho = hl = true;
|
||
}
|
||
bb.offset = bb.limit = j;
|
||
rs = false;
|
||
break;
|
||
case '[':
|
||
if (!noAssert) {
|
||
if (ho || hm) {
|
||
fail = true; break;
|
||
}
|
||
ho = hm = true;
|
||
}
|
||
bb.offset = bb.markedOffset = j;
|
||
rs = false;
|
||
break;
|
||
case '<':
|
||
if (!noAssert) {
|
||
if (ho) {
|
||
fail = true; break;
|
||
}
|
||
ho = true;
|
||
}
|
||
bb.offset = j;
|
||
rs = false;
|
||
break;
|
||
case ']':
|
||
if (!noAssert) {
|
||
if (hl || hm) {
|
||
fail = true; break;
|
||
}
|
||
hl = hm = true;
|
||
}
|
||
bb.limit = bb.markedOffset = j;
|
||
rs = false;
|
||
break;
|
||
case '>':
|
||
if (!noAssert) {
|
||
if (hl) {
|
||
fail = true; break;
|
||
}
|
||
hl = true;
|
||
}
|
||
bb.limit = j;
|
||
rs = false;
|
||
break;
|
||
case "'":
|
||
if (!noAssert) {
|
||
if (hm) {
|
||
fail = true; break;
|
||
}
|
||
hm = true;
|
||
}
|
||
bb.markedOffset = j;
|
||
rs = false;
|
||
break;
|
||
case ' ':
|
||
rs = false;
|
||
break;
|
||
default:
|
||
if (!noAssert) {
|
||
if (rs) {
|
||
fail = true; break;
|
||
}
|
||
}
|
||
b = parseInt(ch+str.charAt(i++), 16);
|
||
if (!noAssert) {
|
||
if (isNaN(b) || b < 0 || b > 255)
|
||
throw TypeError("Illegal str: Not a debug encoded string");
|
||
}
|
||
bb.view.setUint8(j++, b);
|
||
rs = true;
|
||
}
|
||
if (fail)
|
||
throw TypeError("Illegal str: Invalid symbol at "+i);
|
||
}
|
||
if (!noAssert) {
|
||
if (!ho || !hl)
|
||
throw TypeError("Illegal str: Missing offset or limit");
|
||
if (j<bb.buffer.byteLength)
|
||
throw TypeError("Illegal str: Not a debug encoded string (is it hex?) "+j+" < "+k);
|
||
}
|
||
return bb;
|
||
};
|
||
|
||
// encodings/hex
|
||
|
||
/**
|
||
* Encodes this ByteBuffer's contents to a hex encoded string.
|
||
* @param {number=} begin Offset to begin at. Defaults to {@link ByteBuffer#offset}.
|
||
* @param {number=} end Offset to end at. Defaults to {@link ByteBuffer#limit}.
|
||
* @returns {string} Hex encoded string
|
||
* @expose
|
||
*/
|
||
ByteBufferPrototype.toHex = function(begin, end) {
|
||
begin = typeof begin === 'undefined' ? this.offset : begin;
|
||
end = typeof end === 'undefined' ? this.limit : end;
|
||
if (!this.noAssert) {
|
||
if (typeof begin !== 'number' || begin % 1 !== 0)
|
||
throw TypeError("Illegal begin: Not an integer");
|
||
begin >>>= 0;
|
||
if (typeof end !== 'number' || end % 1 !== 0)
|
||
throw TypeError("Illegal end: Not an integer");
|
||
end >>>= 0;
|
||
if (begin < 0 || begin > end || end > this.buffer.byteLength)
|
||
throw RangeError("Illegal range: 0 <= "+begin+" <= "+end+" <= "+this.buffer.byteLength);
|
||
}
|
||
var out = new Array(end - begin),
|
||
b;
|
||
while (begin < end) {
|
||
b = this.view.getUint8(begin++);
|
||
if (b < 0x10)
|
||
out.push("0", b.toString(16));
|
||
else out.push(b.toString(16));
|
||
}
|
||
return out.join('');
|
||
};
|
||
|
||
/**
|
||
* Decodes a hex encoded string to a ByteBuffer.
|
||
* @param {string} str String to decode
|
||
* @param {boolean=} littleEndian Whether to use little or big endian byte order. Defaults to
|
||
* {@link ByteBuffer.DEFAULT_ENDIAN}.
|
||
* @param {boolean=} noAssert Whether to skip assertions of offsets and values. Defaults to
|
||
* {@link ByteBuffer.DEFAULT_NOASSERT}.
|
||
* @returns {!ByteBuffer} ByteBuffer
|
||
* @expose
|
||
*/
|
||
ByteBuffer.fromHex = function(str, littleEndian, noAssert) {
|
||
if (!noAssert) {
|
||
if (typeof str !== 'string')
|
||
throw TypeError("Illegal str: Not a string");
|
||
if (str.length % 2 !== 0)
|
||
throw TypeError("Illegal str: Length not a multiple of 2");
|
||
}
|
||
var k = str.length,
|
||
bb = new ByteBuffer((k / 2) | 0, littleEndian),
|
||
b;
|
||
for (var i=0, j=0; i<k; i+=2) {
|
||
b = parseInt(str.substring(i, i+2), 16);
|
||
if (!noAssert)
|
||
if (!isFinite(b) || b < 0 || b > 255)
|
||
throw TypeError("Illegal str: Contains non-hex characters");
|
||
bb.view.setUint8(j++, b);
|
||
}
|
||
bb.limit = j;
|
||
return bb;
|
||
};
|
||
|
||
// utfx-embeddable
|
||
|
||
/**
|
||
* utfx-embeddable (c) 2014 Daniel Wirtz <dcode@dcode.io>
|
||
* Released under the Apache License, Version 2.0
|
||
* see: https://github.com/dcodeIO/utfx for details
|
||
*/
|
||
var utfx = function() {
|
||
"use strict";
|
||
|
||
/**
|
||
* utfx namespace.
|
||
* @inner
|
||
* @type {!Object.<string,*>}
|
||
*/
|
||
var utfx = {};
|
||
|
||
/**
|
||
* Maximum valid code point.
|
||
* @type {number}
|
||
* @const
|
||
*/
|
||
utfx.MAX_CODEPOINT = 0x10FFFF;
|
||
|
||
/**
|
||
* Encodes UTF8 code points to UTF8 bytes.
|
||
* @param {(!function():number|null) | number} src Code points source, either as a function returning the next code point
|
||
* respectively `null` if there are no more code points left or a single numeric code point.
|
||
* @param {!function(number)} dst Bytes destination as a function successively called with the next byte
|
||
*/
|
||
utfx.encodeUTF8 = function(src, dst) {
|
||
var cp = null;
|
||
if (typeof src === 'number')
|
||
cp = src,
|
||
src = function() { return null; };
|
||
while (cp !== null || (cp = src()) !== null) {
|
||
if (cp < 0x80)
|
||
dst(cp&0x7F);
|
||
else if (cp < 0x800)
|
||
dst(((cp>>6)&0x1F)|0xC0),
|
||
dst((cp&0x3F)|0x80);
|
||
else if (cp < 0x10000)
|
||
dst(((cp>>12)&0x0F)|0xE0),
|
||
dst(((cp>>6)&0x3F)|0x80),
|
||
dst((cp&0x3F)|0x80);
|
||
else
|
||
dst(((cp>>18)&0x07)|0xF0),
|
||
dst(((cp>>12)&0x3F)|0x80),
|
||
dst(((cp>>6)&0x3F)|0x80),
|
||
dst((cp&0x3F)|0x80);
|
||
cp = null;
|
||
}
|
||
};
|
||
|
||
/**
|
||
* Decodes UTF8 bytes to UTF8 code points.
|
||
* @param {!function():number|null} src Bytes source as a function returning the next byte respectively `null` if there
|
||
* are no more bytes left.
|
||
* @param {!function(number)} dst Code points destination as a function successively called with each decoded code point.
|
||
* @throws {RangeError} If a starting byte is invalid in UTF8
|
||
* @throws {Error} If the last sequence is truncated. Has an array property `bytes` holding the
|
||
* remaining bytes.
|
||
*/
|
||
utfx.decodeUTF8 = function(src, dst) {
|
||
var a, b, c, d, fail = function(b) {
|
||
b = b.slice(0, b.indexOf(null));
|
||
var err = Error(b.toString());
|
||
err.name = "TruncatedError";
|
||
err['bytes'] = b;
|
||
throw err;
|
||
};
|
||
while ((a = src()) !== null) {
|
||
if ((a&0x80) === 0)
|
||
dst(a);
|
||
else if ((a&0xE0) === 0xC0)
|
||
((b = src()) === null) && fail([a, b]),
|
||
dst(((a&0x1F)<<6) | (b&0x3F));
|
||
else if ((a&0xF0) === 0xE0)
|
||
((b=src()) === null || (c=src()) === null) && fail([a, b, c]),
|
||
dst(((a&0x0F)<<12) | ((b&0x3F)<<6) | (c&0x3F));
|
||
else if ((a&0xF8) === 0xF0)
|
||
((b=src()) === null || (c=src()) === null || (d=src()) === null) && fail([a, b, c ,d]),
|
||
dst(((a&0x07)<<18) | ((b&0x3F)<<12) | ((c&0x3F)<<6) | (d&0x3F));
|
||
else throw RangeError("Illegal starting byte: "+a);
|
||
}
|
||
};
|
||
|
||
/**
|
||
* Converts UTF16 characters to UTF8 code points.
|
||
* @param {!function():number|null} src Characters source as a function returning the next char code respectively
|
||
* `null` if there are no more characters left.
|
||
* @param {!function(number)} dst Code points destination as a function successively called with each converted code
|
||
* point.
|
||
*/
|
||
utfx.UTF16toUTF8 = function(src, dst) {
|
||
var c1, c2 = null;
|
||
while (true) {
|
||
if ((c1 = c2 !== null ? c2 : src()) === null)
|
||
break;
|
||
if (c1 >= 0xD800 && c1 <= 0xDFFF) {
|
||
if ((c2 = src()) !== null) {
|
||
if (c2 >= 0xDC00 && c2 <= 0xDFFF) {
|
||
dst((c1-0xD800)*0x400+c2-0xDC00+0x10000);
|
||
c2 = null; continue;
|
||
}
|
||
}
|
||
}
|
||
dst(c1);
|
||
}
|
||
if (c2 !== null) dst(c2);
|
||
};
|
||
|
||
/**
|
||
* Converts UTF8 code points to UTF16 characters.
|
||
* @param {(!function():number|null) | number} src Code points source, either as a function returning the next code point
|
||
* respectively `null` if there are no more code points left or a single numeric code point.
|
||
* @param {!function(number)} dst Characters destination as a function successively called with each converted char code.
|
||
* @throws {RangeError} If a code point is out of range
|
||
*/
|
||
utfx.UTF8toUTF16 = function(src, dst) {
|
||
var cp = null;
|
||
if (typeof src === 'number')
|
||
cp = src, src = function() { return null; };
|
||
while (cp !== null || (cp = src()) !== null) {
|
||
if (cp <= 0xFFFF)
|
||
dst(cp);
|
||
else
|
||
cp -= 0x10000,
|
||
dst((cp>>10)+0xD800),
|
||
dst((cp%0x400)+0xDC00);
|
||
cp = null;
|
||
}
|
||
};
|
||
|
||
/**
|
||
* Converts and encodes UTF16 characters to UTF8 bytes.
|
||
* @param {!function():number|null} src Characters source as a function returning the next char code respectively `null`
|
||
* if there are no more characters left.
|
||
* @param {!function(number)} dst Bytes destination as a function successively called with the next byte.
|
||
*/
|
||
utfx.encodeUTF16toUTF8 = function(src, dst) {
|
||
utfx.UTF16toUTF8(src, function(cp) {
|
||
utfx.encodeUTF8(cp, dst);
|
||
});
|
||
};
|
||
|
||
/**
|
||
* Decodes and converts UTF8 bytes to UTF16 characters.
|
||
* @param {!function():number|null} src Bytes source as a function returning the next byte respectively `null` if there
|
||
* are no more bytes left.
|
||
* @param {!function(number)} dst Characters destination as a function successively called with each converted char code.
|
||
* @throws {RangeError} If a starting byte is invalid in UTF8
|
||
* @throws {Error} If the last sequence is truncated. Has an array property `bytes` holding the remaining bytes.
|
||
*/
|
||
utfx.decodeUTF8toUTF16 = function(src, dst) {
|
||
utfx.decodeUTF8(src, function(cp) {
|
||
utfx.UTF8toUTF16(cp, dst);
|
||
});
|
||
};
|
||
|
||
/**
|
||
* Calculates the byte length of an UTF8 code point.
|
||
* @param {number} cp UTF8 code point
|
||
* @returns {number} Byte length
|
||
*/
|
||
utfx.calculateCodePoint = function(cp) {
|
||
return (cp < 0x80) ? 1 : (cp < 0x800) ? 2 : (cp < 0x10000) ? 3 : 4;
|
||
};
|
||
|
||
/**
|
||
* Calculates the number of UTF8 bytes required to store UTF8 code points.
|
||
* @param {(!function():number|null)} src Code points source as a function returning the next code point respectively
|
||
* `null` if there are no more code points left.
|
||
* @returns {number} The number of UTF8 bytes required
|
||
*/
|
||
utfx.calculateUTF8 = function(src) {
|
||
var cp, l=0;
|
||
while ((cp = src()) !== null)
|
||
l += utfx.calculateCodePoint(cp);
|
||
return l;
|
||
};
|
||
|
||
/**
|
||
* Calculates the number of UTF8 code points respectively UTF8 bytes required to store UTF16 char codes.
|
||
* @param {(!function():number|null)} src Characters source as a function returning the next char code respectively
|
||
* `null` if there are no more characters left.
|
||
* @returns {!Array.<number>} The number of UTF8 code points at index 0 and the number of UTF8 bytes required at index 1.
|
||
*/
|
||
utfx.calculateUTF16asUTF8 = function(src) {
|
||
var n=0, l=0;
|
||
utfx.UTF16toUTF8(src, function(cp) {
|
||
++n; l += utfx.calculateCodePoint(cp);
|
||
});
|
||
return [n,l];
|
||
};
|
||
|
||
return utfx;
|
||
}();
|
||
|
||
// encodings/utf8
|
||
|
||
/**
|
||
* Encodes this ByteBuffer's contents between {@link ByteBuffer#offset} and {@link ByteBuffer#limit} to an UTF8 encoded
|
||
* string.
|
||
* @returns {string} Hex encoded string
|
||
* @throws {RangeError} If `offset > limit`
|
||
* @expose
|
||
*/
|
||
ByteBufferPrototype.toUTF8 = function(begin, end) {
|
||
if (typeof begin === 'undefined') begin = this.offset;
|
||
if (typeof end === 'undefined') end = this.limit;
|
||
if (!this.noAssert) {
|
||
if (typeof begin !== 'number' || begin % 1 !== 0)
|
||
throw TypeError("Illegal begin: Not an integer");
|
||
begin >>>= 0;
|
||
if (typeof end !== 'number' || end % 1 !== 0)
|
||
throw TypeError("Illegal end: Not an integer");
|
||
end >>>= 0;
|
||
if (begin < 0 || begin > end || end > this.buffer.byteLength)
|
||
throw RangeError("Illegal range: 0 <= "+begin+" <= "+end+" <= "+this.buffer.byteLength);
|
||
}
|
||
var sd; try {
|
||
utfx.decodeUTF8toUTF16(function() {
|
||
return begin < end ? this.view.getUint8(begin++) : null;
|
||
}.bind(this), sd = stringDestination());
|
||
} catch (e) {
|
||
if (begin !== end)
|
||
throw RangeError("Illegal range: Truncated data, "+begin+" != "+end);
|
||
}
|
||
return sd();
|
||
};
|
||
|
||
/**
|
||
* Decodes an UTF8 encoded string to a ByteBuffer.
|
||
* @param {string} str String to decode
|
||
* @param {boolean=} littleEndian Whether to use little or big endian byte order. Defaults to
|
||
* {@link ByteBuffer.DEFAULT_ENDIAN}.
|
||
* @param {boolean=} noAssert Whether to skip assertions of offsets and values. Defaults to
|
||
* {@link ByteBuffer.DEFAULT_NOASSERT}.
|
||
* @returns {!ByteBuffer} ByteBuffer
|
||
* @expose
|
||
*/
|
||
ByteBuffer.fromUTF8 = function(str, littleEndian, noAssert) {
|
||
if (!noAssert)
|
||
if (typeof str !== 'string')
|
||
throw TypeError("Illegal str: Not a string");
|
||
var bb = new ByteBuffer(utfx.calculateUTF16asUTF8(stringSource(str), true)[1], littleEndian, noAssert),
|
||
i = 0;
|
||
utfx.encodeUTF16toUTF8(stringSource(str), function(b) {
|
||
bb.view.setUint8(i++, b);
|
||
});
|
||
bb.limit = i;
|
||
return bb;
|
||
};
|
||
|
||
|
||
return ByteBuffer;
|
||
}
|
||
|
||
/* CommonJS */ if (typeof require === 'function' && typeof module === 'object' && module && typeof exports === 'object' && exports)
|
||
module['exports'] = (function() {
|
||
var Long; try { Long = require("long"); } catch (e) {}
|
||
return loadByteBuffer(Long);
|
||
})();
|
||
/* AMD */ else if (typeof define === 'function' && define["amd"])
|
||
define("ByteBuffer", ["Long"], function(Long) { return loadByteBuffer(Long); });
|
||
/* Global */ else
|
||
(global["dcodeIO"] = global["dcodeIO"] || {})["ByteBuffer"] = loadByteBuffer(global["dcodeIO"]["Long"]);
|
||
|
||
})(this);
|
||
|
||
/*
|
||
Copyright 2013 Daniel Wirtz <dcode@dcode.io>
|
||
|
||
Licensed under the Apache License, Version 2.0 (the "License");
|
||
you may not use this file except in compliance with the License.
|
||
You may obtain a copy of the License at
|
||
|
||
http://www.apache.org/licenses/LICENSE-2.0
|
||
|
||
Unless required by applicable law or agreed to in writing, software
|
||
distributed under the License is distributed on an "AS IS" BASIS,
|
||
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
||
See the License for the specific language governing permissions and
|
||
limitations under the License.
|
||
*/
|
||
|
||
/**
|
||
* @license ProtoBuf.js (c) 2013 Daniel Wirtz <dcode@dcode.io>
|
||
* Released under the Apache License, Version 2.0
|
||
* see: https://github.com/dcodeIO/ProtoBuf.js for details
|
||
*/
|
||
(function(global) {
|
||
"use strict";
|
||
|
||
function init(ByteBuffer) {
|
||
|
||
/**
|
||
* The ProtoBuf namespace.
|
||
* @exports ProtoBuf
|
||
* @namespace
|
||
* @expose
|
||
*/
|
||
var ProtoBuf = {};
|
||
|
||
/**
|
||
* ProtoBuf.js version.
|
||
* @type {string}
|
||
* @const
|
||
* @expose
|
||
*/
|
||
ProtoBuf.VERSION = "3.8.0";
|
||
|
||
/**
|
||
* Wire types.
|
||
* @type {Object.<string,number>}
|
||
* @const
|
||
* @expose
|
||
*/
|
||
ProtoBuf.WIRE_TYPES = {};
|
||
|
||
/**
|
||
* Varint wire type.
|
||
* @type {number}
|
||
* @expose
|
||
*/
|
||
ProtoBuf.WIRE_TYPES.VARINT = 0;
|
||
|
||
/**
|
||
* Fixed 64 bits wire type.
|
||
* @type {number}
|
||
* @const
|
||
* @expose
|
||
*/
|
||
ProtoBuf.WIRE_TYPES.BITS64 = 1;
|
||
|
||
/**
|
||
* Length delimited wire type.
|
||
* @type {number}
|
||
* @const
|
||
* @expose
|
||
*/
|
||
ProtoBuf.WIRE_TYPES.LDELIM = 2;
|
||
|
||
/**
|
||
* Start group wire type.
|
||
* @type {number}
|
||
* @const
|
||
* @expose
|
||
*/
|
||
ProtoBuf.WIRE_TYPES.STARTGROUP = 3;
|
||
|
||
/**
|
||
* End group wire type.
|
||
* @type {number}
|
||
* @const
|
||
* @expose
|
||
*/
|
||
ProtoBuf.WIRE_TYPES.ENDGROUP = 4;
|
||
|
||
/**
|
||
* Fixed 32 bits wire type.
|
||
* @type {number}
|
||
* @const
|
||
* @expose
|
||
*/
|
||
ProtoBuf.WIRE_TYPES.BITS32 = 5;
|
||
|
||
/**
|
||
* Packable wire types.
|
||
* @type {!Array.<number>}
|
||
* @const
|
||
* @expose
|
||
*/
|
||
ProtoBuf.PACKABLE_WIRE_TYPES = [
|
||
ProtoBuf.WIRE_TYPES.VARINT,
|
||
ProtoBuf.WIRE_TYPES.BITS64,
|
||
ProtoBuf.WIRE_TYPES.BITS32
|
||
];
|
||
|
||
/**
|
||
* Types.
|
||
* @dict
|
||
* @type {Object.<string,{name: string, wireType: number}>}
|
||
* @const
|
||
* @expose
|
||
*/
|
||
ProtoBuf.TYPES = {
|
||
// According to the protobuf spec.
|
||
"int32": {
|
||
name: "int32",
|
||
wireType: ProtoBuf.WIRE_TYPES.VARINT
|
||
},
|
||
"uint32": {
|
||
name: "uint32",
|
||
wireType: ProtoBuf.WIRE_TYPES.VARINT
|
||
},
|
||
"sint32": {
|
||
name: "sint32",
|
||
wireType: ProtoBuf.WIRE_TYPES.VARINT
|
||
},
|
||
"int64": {
|
||
name: "int64",
|
||
wireType: ProtoBuf.WIRE_TYPES.VARINT
|
||
},
|
||
"uint64": {
|
||
name: "uint64",
|
||
wireType: ProtoBuf.WIRE_TYPES.VARINT
|
||
},
|
||
"sint64": {
|
||
name: "sint64",
|
||
wireType: ProtoBuf.WIRE_TYPES.VARINT
|
||
},
|
||
"bool": {
|
||
name: "bool",
|
||
wireType: ProtoBuf.WIRE_TYPES.VARINT
|
||
},
|
||
"double": {
|
||
name: "double",
|
||
wireType: ProtoBuf.WIRE_TYPES.BITS64
|
||
},
|
||
"string": {
|
||
name: "string",
|
||
wireType: ProtoBuf.WIRE_TYPES.LDELIM
|
||
},
|
||
"bytes": {
|
||
name: "bytes",
|
||
wireType: ProtoBuf.WIRE_TYPES.LDELIM
|
||
},
|
||
"fixed32": {
|
||
name: "fixed32",
|
||
wireType: ProtoBuf.WIRE_TYPES.BITS32
|
||
},
|
||
"sfixed32": {
|
||
name: "sfixed32",
|
||
wireType: ProtoBuf.WIRE_TYPES.BITS32
|
||
},
|
||
"fixed64": {
|
||
name: "fixed64",
|
||
wireType: ProtoBuf.WIRE_TYPES.BITS64
|
||
},
|
||
"sfixed64": {
|
||
name: "sfixed64",
|
||
wireType: ProtoBuf.WIRE_TYPES.BITS64
|
||
},
|
||
"float": {
|
||
name: "float",
|
||
wireType: ProtoBuf.WIRE_TYPES.BITS32
|
||
},
|
||
"enum": {
|
||
name: "enum",
|
||
wireType: ProtoBuf.WIRE_TYPES.VARINT
|
||
},
|
||
"message": {
|
||
name: "message",
|
||
wireType: ProtoBuf.WIRE_TYPES.LDELIM
|
||
},
|
||
"group": {
|
||
name: "group",
|
||
wireType: ProtoBuf.WIRE_TYPES.STARTGROUP
|
||
}
|
||
};
|
||
|
||
/**
|
||
* Minimum field id.
|
||
* @type {number}
|
||
* @const
|
||
* @expose
|
||
*/
|
||
ProtoBuf.ID_MIN = 1;
|
||
|
||
/**
|
||
* Maximum field id.
|
||
* @type {number}
|
||
* @const
|
||
* @expose
|
||
*/
|
||
ProtoBuf.ID_MAX = 0x1FFFFFFF;
|
||
|
||
/**
|
||
* @type {!function(new: ByteBuffer, ...[*])}
|
||
* @expose
|
||
*/
|
||
ProtoBuf.ByteBuffer = ByteBuffer;
|
||
|
||
/**
|
||
* @type {?function(new: Long, ...[*])}
|
||
* @expose
|
||
*/
|
||
ProtoBuf.Long = ByteBuffer.Long || null;
|
||
|
||
/**
|
||
* If set to `true`, field names will be converted from underscore notation to camel case. Defaults to `false`.
|
||
* Must be set prior to parsing.
|
||
* @type {boolean}
|
||
* @expose
|
||
*/
|
||
ProtoBuf.convertFieldsToCamelCase = false;
|
||
|
||
/**
|
||
* By default, messages are populated with (setX, set_x) accessors for each field. This can be disabled by
|
||
* setting this to `false` prior to building messages.
|
||
* @type {boolean}
|
||
* @expose
|
||
*/
|
||
ProtoBuf.populateAccessors = true;
|
||
|
||
/**
|
||
* @alias ProtoBuf.Util
|
||
* @expose
|
||
*/
|
||
ProtoBuf.Util = (function() {
|
||
"use strict";
|
||
|
||
// Object.create polyfill
|
||
// ref: https://developer.mozilla.org/de/docs/JavaScript/Reference/Global_Objects/Object/create
|
||
if (!Object.create)
|
||
/** @expose */
|
||
Object.create = function (o) {
|
||
if (arguments.length > 1)
|
||
throw Error('Object.create polyfill only accepts the first parameter.');
|
||
function F() {}
|
||
F.prototype = o;
|
||
return new F();
|
||
};
|
||
|
||
/**
|
||
* ProtoBuf utilities.
|
||
* @exports ProtoBuf.Util
|
||
* @namespace
|
||
*/
|
||
var Util = {};
|
||
|
||
/**
|
||
* Flag if running in node (fs is available) or not.
|
||
* @type {boolean}
|
||
* @const
|
||
* @expose
|
||
*/
|
||
Util.IS_NODE = false;
|
||
try {
|
||
// There is no reliable way to detect node.js as an environment, so our
|
||
// best bet is to feature-detect what we actually need.
|
||
Util.IS_NODE =
|
||
typeof require === 'function' &&
|
||
typeof require("fs").readFileSync === 'function' &&
|
||
typeof require("path").resolve === 'function';
|
||
} catch (e) {}
|
||
|
||
/**
|
||
* Constructs a XMLHttpRequest object.
|
||
* @return {XMLHttpRequest}
|
||
* @throws {Error} If XMLHttpRequest is not supported
|
||
* @expose
|
||
*/
|
||
Util.XHR = function() {
|
||
// No dependencies please, ref: http://www.quirksmode.org/js/xmlhttp.html
|
||
var XMLHttpFactories = [
|
||
function () {return new XMLHttpRequest()},
|
||
function () {return new ActiveXObject("Msxml2.XMLHTTP")},
|
||
function () {return new ActiveXObject("Msxml3.XMLHTTP")},
|
||
function () {return new ActiveXObject("Microsoft.XMLHTTP")}
|
||
];
|
||
/** @type {?XMLHttpRequest} */
|
||
var xhr = null;
|
||
for (var i=0;i<XMLHttpFactories.length;i++) {
|
||
try { xhr = XMLHttpFactories[i](); }
|
||
catch (e) { continue; }
|
||
break;
|
||
}
|
||
if (!xhr)
|
||
throw Error("XMLHttpRequest is not supported");
|
||
return xhr;
|
||
};
|
||
|
||
/**
|
||
* Fetches a resource.
|
||
* @param {string} path Resource path
|
||
* @param {function(?string)=} callback Callback receiving the resource's contents. If omitted the resource will
|
||
* be fetched synchronously. If the request failed, contents will be null.
|
||
* @return {?string|undefined} Resource contents if callback is omitted (null if the request failed), else undefined.
|
||
* @expose
|
||
*/
|
||
Util.fetch = function(path, callback) {
|
||
if (callback && typeof callback != 'function')
|
||
callback = null;
|
||
if (Util.IS_NODE) {
|
||
if (callback) {
|
||
require("fs").readFile(path, function(err, data) {
|
||
if (err)
|
||
callback(null);
|
||
else
|
||
callback(""+data);
|
||
});
|
||
} else
|
||
try {
|
||
return require("fs").readFileSync(path);
|
||
} catch (e) {
|
||
return null;
|
||
}
|
||
} else {
|
||
var xhr = Util.XHR();
|
||
xhr.open('GET', path, callback ? true : false);
|
||
// xhr.setRequestHeader('User-Agent', 'XMLHTTP/1.0');
|
||
xhr.setRequestHeader('Accept', 'text/plain');
|
||
if (typeof xhr.overrideMimeType === 'function') xhr.overrideMimeType('text/plain');
|
||
if (callback) {
|
||
xhr.onreadystatechange = function() {
|
||
if (xhr.readyState != 4) return;
|
||
if (/* remote */ xhr.status == 200 || /* local */ (xhr.status == 0 && typeof xhr.responseText === 'string'))
|
||
callback(xhr.responseText);
|
||
else
|
||
callback(null);
|
||
};
|
||
if (xhr.readyState == 4)
|
||
return;
|
||
xhr.send(null);
|
||
} else {
|
||
xhr.send(null);
|
||
if (/* remote */ xhr.status == 200 || /* local */ (xhr.status == 0 && typeof xhr.responseText === 'string'))
|
||
return xhr.responseText;
|
||
return null;
|
||
}
|
||
}
|
||
};
|
||
|
||
/**
|
||
* Tests if an object is an array.
|
||
* @function
|
||
* @param {*} obj Object to test
|
||
* @returns {boolean} true if it is an array, else false
|
||
* @expose
|
||
*/
|
||
Util.isArray = Array.isArray || function(obj) {
|
||
return Object.prototype.toString.call(obj) === "[object Array]";
|
||
};
|
||
|
||
return Util;
|
||
})();
|
||
|
||
/**
|
||
* Language expressions.
|
||
* @type {!Object.<string,string|!RegExp>}
|
||
* @expose
|
||
*/
|
||
ProtoBuf.Lang = {
|
||
OPEN: "{",
|
||
CLOSE: "}",
|
||
OPTOPEN: "[",
|
||
OPTCLOSE: "]",
|
||
OPTEND: ",",
|
||
EQUAL: "=",
|
||
END: ";",
|
||
STRINGOPEN: '"',
|
||
STRINGCLOSE: '"',
|
||
STRINGOPEN_SQ: "'",
|
||
STRINGCLOSE_SQ: "'",
|
||
COPTOPEN: '(',
|
||
COPTCLOSE: ')',
|
||
DELIM: /[\s\{\}=;\[\],'"\(\)]/g,
|
||
// KEYWORD: /^(?:package|option|import|message|enum|extend|service|syntax|extensions|group)$/,
|
||
RULE: /^(?:required|optional|repeated)$/,
|
||
TYPE: /^(?:double|float|int32|uint32|sint32|int64|uint64|sint64|fixed32|sfixed32|fixed64|sfixed64|bool|string|bytes)$/,
|
||
NAME: /^[a-zA-Z_][a-zA-Z_0-9]*$/,
|
||
TYPEDEF: /^[a-zA-Z][a-zA-Z_0-9]*$/,
|
||
TYPEREF: /^(?:\.?[a-zA-Z_][a-zA-Z_0-9]*)+$/,
|
||
FQTYPEREF: /^(?:\.[a-zA-Z][a-zA-Z_0-9]*)+$/,
|
||
NUMBER: /^-?(?:[1-9][0-9]*|0|0x[0-9a-fA-F]+|0[0-7]+|([0-9]*\.[0-9]+([Ee][+-]?[0-9]+)?))$/,
|
||
NUMBER_DEC: /^(?:[1-9][0-9]*|0)$/,
|
||
NUMBER_HEX: /^0x[0-9a-fA-F]+$/,
|
||
NUMBER_OCT: /^0[0-7]+$/,
|
||
NUMBER_FLT: /^[0-9]*\.[0-9]+([Ee][+-]?[0-9]+)?$/,
|
||
ID: /^(?:[1-9][0-9]*|0|0x[0-9a-fA-F]+|0[0-7]+)$/,
|
||
NEGID: /^\-?(?:[1-9][0-9]*|0|0x[0-9a-fA-F]+|0[0-7]+)$/,
|
||
WHITESPACE: /\s/,
|
||
STRING: /['"]([^'"\\]*(\\.[^"\\]*)*)['"]/g,
|
||
BOOL: /^(?:true|false)$/i
|
||
};
|
||
|
||
/**
|
||
* @alias ProtoBuf.DotProto
|
||
* @expose
|
||
*/
|
||
ProtoBuf.DotProto = (function(ProtoBuf, Lang) {
|
||
"use strict";
|
||
|
||
/**
|
||
* Utilities to parse .proto files.
|
||
* @exports ProtoBuf.DotProto
|
||
* @namespace
|
||
*/
|
||
var DotProto = {};
|
||
|
||
/**
|
||
* Constructs a new Tokenizer.
|
||
* @exports ProtoBuf.DotProto.Tokenizer
|
||
* @class prototype tokenizer
|
||
* @param {string} proto Proto to tokenize
|
||
* @constructor
|
||
*/
|
||
var Tokenizer = function(proto) {
|
||
|
||
/**
|
||
* Source to parse.
|
||
* @type {string}
|
||
* @expose
|
||
*/
|
||
this.source = ""+proto; // In case it's a buffer
|
||
|
||
/**
|
||
* Current index.
|
||
* @type {number}
|
||
* @expose
|
||
*/
|
||
this.index = 0;
|
||
|
||
/**
|
||
* Current line.
|
||
* @type {number}
|
||
* @expose
|
||
*/
|
||
this.line = 1;
|
||
|
||
/**
|
||
* Stacked values.
|
||
* @type {Array}
|
||
* @expose
|
||
*/
|
||
this.stack = [];
|
||
|
||
/**
|
||
* Whether currently reading a string or not.
|
||
* @type {boolean}
|
||
* @expose
|
||
*/
|
||
this.readingString = false;
|
||
|
||
/**
|
||
* Whatever character ends the string. Either a single or double quote character.
|
||
* @type {string}
|
||
* @expose
|
||
*/
|
||
this.stringEndsWith = Lang.STRINGCLOSE;
|
||
};
|
||
|
||
/**
|
||
* @alias ProtoBuf.DotProto.Tokenizer.prototype
|
||
* @inner
|
||
*/
|
||
var TokenizerPrototype = Tokenizer.prototype;
|
||
|
||
/**
|
||
* Reads a string beginning at the current index.
|
||
* @return {string} The string
|
||
* @throws {Error} If it's not a valid string
|
||
* @private
|
||
*/
|
||
TokenizerPrototype._readString = function() {
|
||
Lang.STRING.lastIndex = this.index-1; // Include the open quote
|
||
var match;
|
||
if ((match = Lang.STRING.exec(this.source)) !== null) {
|
||
var s = match[1];
|
||
this.index = Lang.STRING.lastIndex;
|
||
this.stack.push(this.stringEndsWith);
|
||
return s;
|
||
}
|
||
throw Error("Unterminated string at line "+this.line+", index "+this.index);
|
||
};
|
||
|
||
/**
|
||
* Gets the next token and advances by one.
|
||
* @return {?string} Token or `null` on EOF
|
||
* @throws {Error} If it's not a valid proto file
|
||
* @expose
|
||
*/
|
||
TokenizerPrototype.next = function() {
|
||
if (this.stack.length > 0)
|
||
return this.stack.shift();
|
||
if (this.index >= this.source.length)
|
||
return null; // No more tokens
|
||
if (this.readingString) {
|
||
this.readingString = false;
|
||
return this._readString();
|
||
}
|
||
var repeat, last;
|
||
do {
|
||
repeat = false;
|
||
// Strip white spaces
|
||
while (Lang.WHITESPACE.test(last = this.source.charAt(this.index))) {
|
||
this.index++;
|
||
if (last === "\n")
|
||
this.line++;
|
||
if (this.index === this.source.length)
|
||
return null;
|
||
}
|
||
// Strip comments
|
||
if (this.source.charAt(this.index) === '/') {
|
||
if (this.source.charAt(++this.index) === '/') { // Single line
|
||
while (this.source.charAt(this.index) !== "\n") {
|
||
this.index++;
|
||
if (this.index == this.source.length)
|
||
return null;
|
||
}
|
||
this.index++;
|
||
this.line++;
|
||
repeat = true;
|
||
} else if (this.source.charAt(this.index) === '*') { /* Block */
|
||
last = '';
|
||
while (last+(last=this.source.charAt(this.index)) !== '*/') {
|
||
this.index++;
|
||
if (last === "\n")
|
||
this.line++;
|
||
if (this.index === this.source.length)
|
||
return null;
|
||
}
|
||
this.index++;
|
||
repeat = true;
|
||
} else
|
||
throw Error("Unterminated comment at line "+this.line+": /"+this.source.charAt(this.index));
|
||
}
|
||
} while (repeat);
|
||
if (this.index === this.source.length) return null;
|
||
|
||
// Read the next token
|
||
var end = this.index;
|
||
Lang.DELIM.lastIndex = 0;
|
||
var delim = Lang.DELIM.test(this.source.charAt(end));
|
||
if (!delim) {
|
||
++end;
|
||
while(end < this.source.length && !Lang.DELIM.test(this.source.charAt(end)))
|
||
end++;
|
||
} else
|
||
++end;
|
||
var token = this.source.substring(this.index, this.index = end);
|
||
if (token === Lang.STRINGOPEN)
|
||
this.readingString = true,
|
||
this.stringEndsWith = Lang.STRINGCLOSE;
|
||
else if (token === Lang.STRINGOPEN_SQ)
|
||
this.readingString = true,
|
||
this.stringEndsWith = Lang.STRINGCLOSE_SQ;
|
||
return token;
|
||
};
|
||
|
||
/**
|
||
* Peeks for the next token.
|
||
* @return {?string} Token or `null` on EOF
|
||
* @throws {Error} If it's not a valid proto file
|
||
* @expose
|
||
*/
|
||
TokenizerPrototype.peek = function() {
|
||
if (this.stack.length === 0) {
|
||
var token = this.next();
|
||
if (token === null)
|
||
return null;
|
||
this.stack.push(token);
|
||
}
|
||
return this.stack[0];
|
||
};
|
||
|
||
/**
|
||
* Returns a string representation of this object.
|
||
* @return {string} String representation as of "Tokenizer(index/length)"
|
||
* @expose
|
||
*/
|
||
TokenizerPrototype.toString = function() {
|
||
return "Tokenizer("+this.index+"/"+this.source.length+" at line "+this.line+")";
|
||
};
|
||
|
||
/**
|
||
* @alias ProtoBuf.DotProto.Tokenizer
|
||
* @expose
|
||
*/
|
||
DotProto.Tokenizer = Tokenizer;
|
||
|
||
/**
|
||
* Constructs a new Parser.
|
||
* @exports ProtoBuf.DotProto.Parser
|
||
* @class prototype parser
|
||
* @param {string} proto Protocol source
|
||
* @constructor
|
||
*/
|
||
var Parser = function(proto) {
|
||
|
||
/**
|
||
* Tokenizer.
|
||
* @type {ProtoBuf.DotProto.Tokenizer}
|
||
* @expose
|
||
*/
|
||
this.tn = new Tokenizer(proto);
|
||
};
|
||
|
||
/**
|
||
* @alias ProtoBuf.DotProto.Parser.prototype
|
||
* @inner
|
||
*/
|
||
var ParserPrototype = Parser.prototype;
|
||
|
||
/**
|
||
* Runs the parser.
|
||
* @return {{package: string|null, messages: Array.<object>, enums: Array.<object>, imports: Array.<string>, options: object<string,*>}}
|
||
* @throws {Error} If the source cannot be parsed
|
||
* @expose
|
||
*/
|
||
ParserPrototype.parse = function() {
|
||
var topLevel = {
|
||
"name": "[ROOT]", // temporary
|
||
"package": null,
|
||
"messages": [],
|
||
"enums": [],
|
||
"imports": [],
|
||
"options": {},
|
||
"services": []
|
||
};
|
||
var token, head = true;
|
||
while(token = this.tn.next()) {
|
||
switch (token) {
|
||
case 'package':
|
||
if (!head || topLevel["package"] !== null)
|
||
throw Error("Unexpected package at line "+this.tn.line);
|
||
topLevel["package"] = this._parsePackage(token);
|
||
break;
|
||
case 'import':
|
||
if (!head)
|
||
throw Error("Unexpected import at line "+this.tn.line);
|
||
topLevel.imports.push(this._parseImport(token));
|
||
break;
|
||
case 'message':
|
||
this._parseMessage(topLevel, null, token);
|
||
head = false;
|
||
break;
|
||
case 'enum':
|
||
this._parseEnum(topLevel, token);
|
||
head = false;
|
||
break;
|
||
case 'option':
|
||
if (!head)
|
||
throw Error("Unexpected option at line "+this.tn.line);
|
||
this._parseOption(topLevel, token);
|
||
break;
|
||
case 'service':
|
||
this._parseService(topLevel, token);
|
||
break;
|
||
case 'extend':
|
||
this._parseExtend(topLevel, token);
|
||
break;
|
||
case 'syntax':
|
||
this._parseIgnoredStatement(topLevel, token);
|
||
break;
|
||
default:
|
||
throw Error("Unexpected token at line "+this.tn.line+": "+token);
|
||
}
|
||
}
|
||
delete topLevel["name"];
|
||
return topLevel;
|
||
};
|
||
|
||
/**
|
||
* Parses a number value.
|
||
* @param {string} val Number value to parse
|
||
* @return {number} Number
|
||
* @throws {Error} If the number value is invalid
|
||
* @private
|
||
*/
|
||
ParserPrototype._parseNumber = function(val) {
|
||
var sign = 1;
|
||
if (val.charAt(0) == '-')
|
||
sign = -1,
|
||
val = val.substring(1);
|
||
if (Lang.NUMBER_DEC.test(val))
|
||
return sign*parseInt(val, 10);
|
||
else if (Lang.NUMBER_HEX.test(val))
|
||
return sign*parseInt(val.substring(2), 16);
|
||
else if (Lang.NUMBER_OCT.test(val))
|
||
return sign*parseInt(val.substring(1), 8);
|
||
else if (Lang.NUMBER_FLT.test(val))
|
||
return sign*parseFloat(val);
|
||
throw Error("Illegal number at line "+this.tn.line+": "+(sign < 0 ? '-' : '')+val);
|
||
};
|
||
|
||
/**
|
||
* Parses a (possibly multiline) string.
|
||
* @returns {string}
|
||
* @private
|
||
*/
|
||
ParserPrototype._parseString = function() {
|
||
var value = "", token;
|
||
do {
|
||
token = this.tn.next(); // Known to be = this.tn.stringEndsWith
|
||
value += this.tn.next();
|
||
token = this.tn.next();
|
||
if (token !== this.tn.stringEndsWith)
|
||
throw Error("Illegal end of string at line "+this.tn.line+": "+token);
|
||
token = this.tn.peek();
|
||
} while (token === Lang.STRINGOPEN || token === Lang.STRINGOPEN_SQ);
|
||
return value;
|
||
};
|
||
|
||
/**
|
||
* Parses an ID value.
|
||
* @param {string} val ID value to parse
|
||
* @param {boolean=} neg Whether the ID may be negative, defaults to `false`
|
||
* @returns {number} ID
|
||
* @throws {Error} If the ID value is invalid
|
||
* @private
|
||
*/
|
||
ParserPrototype._parseId = function(val, neg) {
|
||
var id = -1;
|
||
var sign = 1;
|
||
if (val.charAt(0) == '-')
|
||
sign = -1,
|
||
val = val.substring(1);
|
||
if (Lang.NUMBER_DEC.test(val))
|
||
id = parseInt(val);
|
||
else if (Lang.NUMBER_HEX.test(val))
|
||
id = parseInt(val.substring(2), 16);
|
||
else if (Lang.NUMBER_OCT.test(val))
|
||
id = parseInt(val.substring(1), 8);
|
||
else
|
||
throw Error("Illegal id at line "+this.tn.line+": "+(sign < 0 ? '-' : '')+val);
|
||
id = (sign*id)|0; // Force to 32bit
|
||
if (!neg && id < 0)
|
||
throw Error("Illegal id at line "+this.tn.line+": "+(sign < 0 ? '-' : '')+val);
|
||
return id;
|
||
};
|
||
|
||
/**
|
||
* Parses the package definition.
|
||
* @param {string} token Initial token
|
||
* @return {string} Package name
|
||
* @throws {Error} If the package definition cannot be parsed
|
||
* @private
|
||
*/
|
||
ParserPrototype._parsePackage = function(token) {
|
||
token = this.tn.next();
|
||
if (!Lang.TYPEREF.test(token))
|
||
throw Error("Illegal package name at line "+this.tn.line+": "+token);
|
||
var pkg = token;
|
||
token = this.tn.next();
|
||
if (token != Lang.END)
|
||
throw Error("Illegal end of package at line "+this.tn.line+": "+token);
|
||
return pkg;
|
||
};
|
||
|
||
/**
|
||
* Parses an import definition.
|
||
* @param {string} token Initial token
|
||
* @return {string} Import file name
|
||
* @throws {Error} If the import definition cannot be parsed
|
||
* @private
|
||
*/
|
||
ParserPrototype._parseImport = function(token) {
|
||
token = this.tn.peek();
|
||
if (token === "public")
|
||
this.tn.next(),
|
||
token = this.tn.peek();
|
||
if (token !== Lang.STRINGOPEN && token !== Lang.STRINGOPEN_SQ)
|
||
throw Error("Illegal start of import at line "+this.tn.line+": "+token);
|
||
var imported = this._parseString();
|
||
token = this.tn.next();
|
||
if (token !== Lang.END)
|
||
throw Error("Illegal end of import at line "+this.tn.line+": "+token);
|
||
return imported;
|
||
};
|
||
|
||
/**
|
||
* Parses a namespace option.
|
||
* @param {Object} parent Parent definition
|
||
* @param {string} token Initial token
|
||
* @throws {Error} If the option cannot be parsed
|
||
* @private
|
||
*/
|
||
ParserPrototype._parseOption = function(parent, token) {
|
||
token = this.tn.next();
|
||
var custom = false;
|
||
if (token == Lang.COPTOPEN)
|
||
custom = true,
|
||
token = this.tn.next();
|
||
if (!Lang.TYPEREF.test(token))
|
||
// we can allow options of the form google.protobuf.* since they will just get ignored anyways
|
||
if (!/google\.protobuf\./.test(token))
|
||
throw Error("Illegal option name in message "+parent.name+" at line "+this.tn.line+": "+token);
|
||
var name = token;
|
||
token = this.tn.next();
|
||
if (custom) { // (my_method_option).foo, (my_method_option), some_method_option, (foo.my_option).bar
|
||
if (token !== Lang.COPTCLOSE)
|
||
throw Error("Illegal end in message "+parent.name+", option "+name+" at line "+this.tn.line+": "+token);
|
||
name = '('+name+')';
|
||
token = this.tn.next();
|
||
if (Lang.FQTYPEREF.test(token))
|
||
name += token,
|
||
token = this.tn.next();
|
||
}
|
||
if (token !== Lang.EQUAL)
|
||
throw Error("Illegal operator in message "+parent.name+", option "+name+" at line "+this.tn.line+": "+token);
|
||
var value;
|
||
token = this.tn.peek();
|
||
if (token === Lang.STRINGOPEN || token === Lang.STRINGOPEN_SQ)
|
||
value = this._parseString();
|
||
else {
|
||
this.tn.next();
|
||
if (Lang.NUMBER.test(token))
|
||
value = this._parseNumber(token, true);
|
||
else if (Lang.BOOL.test(token))
|
||
value = token === 'true';
|
||
else if (Lang.TYPEREF.test(token))
|
||
value = token;
|
||
else
|
||
throw Error("Illegal option value in message "+parent.name+", option "+name+" at line "+this.tn.line+": "+token);
|
||
}
|
||
token = this.tn.next();
|
||
if (token !== Lang.END)
|
||
throw Error("Illegal end of option in message "+parent.name+", option "+name+" at line "+this.tn.line+": "+token);
|
||
parent["options"][name] = value;
|
||
};
|
||
|
||
/**
|
||
* Parses an ignored statement of the form ['keyword', ..., ';'].
|
||
* @param {Object} parent Parent definition
|
||
* @param {string} keyword Initial token
|
||
* @throws {Error} If the directive cannot be parsed
|
||
* @private
|
||
*/
|
||
ParserPrototype._parseIgnoredStatement = function(parent, keyword) {
|
||
var token;
|
||
do {
|
||
token = this.tn.next();
|
||
if (token === null)
|
||
throw Error("Unexpected EOF in "+parent.name+", "+keyword+" at line "+this.tn.line);
|
||
if (token === Lang.END)
|
||
break;
|
||
} while (true);
|
||
};
|
||
|
||
/**
|
||
* Parses a service definition.
|
||
* @param {Object} parent Parent definition
|
||
* @param {string} token Initial token
|
||
* @throws {Error} If the service cannot be parsed
|
||
* @private
|
||
*/
|
||
ParserPrototype._parseService = function(parent, token) {
|
||
token = this.tn.next();
|
||
if (!Lang.NAME.test(token))
|
||
throw Error("Illegal service name at line "+this.tn.line+": "+token);
|
||
var name = token;
|
||
var svc = {
|
||
"name": name,
|
||
"rpc": {},
|
||
"options": {}
|
||
};
|
||
token = this.tn.next();
|
||
if (token !== Lang.OPEN)
|
||
throw Error("Illegal start of service "+name+" at line "+this.tn.line+": "+token);
|
||
do {
|
||
token = this.tn.next();
|
||
if (token === "option")
|
||
this._parseOption(svc, token);
|
||
else if (token === 'rpc')
|
||
this._parseServiceRPC(svc, token);
|
||
else if (token !== Lang.CLOSE)
|
||
throw Error("Illegal type of service "+name+" at line "+this.tn.line+": "+token);
|
||
} while (token !== Lang.CLOSE);
|
||
parent["services"].push(svc);
|
||
};
|
||
|
||
/**
|
||
* Parses a RPC service definition of the form ['rpc', name, (request), 'returns', (response)].
|
||
* @param {Object} svc Parent definition
|
||
* @param {string} token Initial token
|
||
* @private
|
||
*/
|
||
ParserPrototype._parseServiceRPC = function(svc, token) {
|
||
var type = token;
|
||
token = this.tn.next();
|
||
if (!Lang.NAME.test(token))
|
||
throw Error("Illegal method name in service "+svc["name"]+" at line "+this.tn.line+": "+token);
|
||
var name = token;
|
||
var method = {
|
||
"request": null,
|
||
"response": null,
|
||
"options": {}
|
||
};
|
||
token = this.tn.next();
|
||
if (token !== Lang.COPTOPEN)
|
||
throw Error("Illegal start of request type in service "+svc["name"]+"#"+name+" at line "+this.tn.line+": "+token);
|
||
token = this.tn.next();
|
||
if (!Lang.TYPEREF.test(token))
|
||
throw Error("Illegal request type in service "+svc["name"]+"#"+name+" at line "+this.tn.line+": "+token);
|
||
method["request"] = token;
|
||
token = this.tn.next();
|
||
if (token != Lang.COPTCLOSE)
|
||
throw Error("Illegal end of request type in service "+svc["name"]+"#"+name+" at line "+this.tn.line+": "+token);
|
||
token = this.tn.next();
|
||
if (token.toLowerCase() !== "returns")
|
||
throw Error("Illegal delimiter in service "+svc["name"]+"#"+name+" at line "+this.tn.line+": "+token);
|
||
token = this.tn.next();
|
||
if (token != Lang.COPTOPEN)
|
||
throw Error("Illegal start of response type in service "+svc["name"]+"#"+name+" at line "+this.tn.line+": "+token);
|
||
token = this.tn.next();
|
||
method["response"] = token;
|
||
token = this.tn.next();
|
||
if (token !== Lang.COPTCLOSE)
|
||
throw Error("Illegal end of response type in service "+svc["name"]+"#"+name+" at line "+this.tn.line+": "+token);
|
||
token = this.tn.next();
|
||
if (token === Lang.OPEN) {
|
||
do {
|
||
token = this.tn.next();
|
||
if (token === 'option')
|
||
this._parseOption(method, token); // <- will fail for the custom-options example
|
||
else if (token !== Lang.CLOSE)
|
||
throw Error("Illegal start of option inservice "+svc["name"]+"#"+name+" at line "+this.tn.line+": "+token);
|
||
} while (token !== Lang.CLOSE);
|
||
if (this.tn.peek() === Lang.END)
|
||
this.tn.next();
|
||
} else if (token !== Lang.END)
|
||
throw Error("Illegal delimiter in service "+svc["name"]+"#"+name+" at line "+this.tn.line+": "+token);
|
||
if (typeof svc[type] === 'undefined')
|
||
svc[type] = {};
|
||
svc[type][name] = method;
|
||
};
|
||
|
||
/**
|
||
* Parses a message definition.
|
||
* @param {Object} parent Parent definition
|
||
* @param {Object} fld Field definition if this is a group, otherwise `null`
|
||
* @param {string} token First token
|
||
* @return {Object}
|
||
* @throws {Error} If the message cannot be parsed
|
||
* @private
|
||
*/
|
||
ParserPrototype._parseMessage = function(parent, fld, token) {
|
||
/** @dict */
|
||
var msg = {}; // Note: At some point we might want to exclude the parser, so we need a dict.
|
||
var isGroup = token === "group";
|
||
token = this.tn.next();
|
||
if (!Lang.NAME.test(token))
|
||
throw Error("Illegal "+(isGroup ? "group" : "message")+" name"+(parent ? " in message "+parent["name"] : "")+" at line "+this.tn.line+": "+token);
|
||
msg["name"] = token;
|
||
if (isGroup) {
|
||
token = this.tn.next();
|
||
if (token !== Lang.EQUAL)
|
||
throw Error("Illegal id assignment after group "+msg.name+" at line "+this.tn.line+": "+token);
|
||
token = this.tn.next();
|
||
try {
|
||
fld["id"] = this._parseId(token);
|
||
} catch (e) {
|
||
throw Error("Illegal field id value for group "+msg.name+"#"+fld.name+" at line "+this.tn.line+": "+token);
|
||
}
|
||
msg["isGroup"] = true;
|
||
}
|
||
msg["fields"] = []; // Note: Using arrays to support also browser that cannot preserve order of object keys.
|
||
msg["enums"] = [];
|
||
msg["messages"] = [];
|
||
msg["options"] = {};
|
||
msg["oneofs"] = {};
|
||
token = this.tn.next();
|
||
if (token === Lang.OPTOPEN && fld)
|
||
this._parseFieldOptions(msg, fld, token),
|
||
token = this.tn.next();
|
||
if (token !== Lang.OPEN)
|
||
throw Error("Illegal start of "+(isGroup ? "group" : "message")+" "+msg.name+" at line "+this.tn.line+": "+token);
|
||
// msg["extensions"] = undefined
|
||
do {
|
||
token = this.tn.next();
|
||
if (token === Lang.CLOSE) {
|
||
token = this.tn.peek();
|
||
if (token === Lang.END)
|
||
this.tn.next();
|
||
break;
|
||
} else if (Lang.RULE.test(token))
|
||
this._parseMessageField(msg, token);
|
||
else if (token === "oneof")
|
||
this._parseMessageOneOf(msg, token);
|
||
else if (token === "enum")
|
||
this._parseEnum(msg, token);
|
||
else if (token === "message")
|
||
this._parseMessage(msg, null, token);
|
||
else if (token === "option")
|
||
this._parseOption(msg, token);
|
||
else if (token === "extensions")
|
||
msg["extensions"] = this._parseExtensions(msg, token);
|
||
else if (token === "extend")
|
||
this._parseExtend(msg, token);
|
||
else
|
||
throw Error("Illegal token in message "+msg.name+" at line "+this.tn.line+": "+token);
|
||
} while (true);
|
||
parent["messages"].push(msg);
|
||
return msg;
|
||
};
|
||
|
||
/**
|
||
* Parses a message field.
|
||
* @param {Object} msg Message definition
|
||
* @param {string} token Initial token
|
||
* @returns {!Object} Field descriptor
|
||
* @throws {Error} If the message field cannot be parsed
|
||
* @private
|
||
*/
|
||
ParserPrototype._parseMessageField = function(msg, token) {
|
||
/** @dict */
|
||
var fld = {}, grp = null;
|
||
fld["rule"] = token;
|
||
/** @dict */
|
||
fld["options"] = {};
|
||
token = this.tn.next();
|
||
if (token === "group") {
|
||
// "A [legacy] group simply combines a nested message type and a field into a single declaration. In your
|
||
// code, you can treat this message just as if it had a Result type field called result (the latter name is
|
||
// converted to lower-case so that it does not conflict with the former)."
|
||
grp = this._parseMessage(msg, fld, token);
|
||
if (!/^[A-Z]/.test(grp["name"]))
|
||
throw Error('Group names must start with a capital letter');
|
||
fld["type"] = grp["name"];
|
||
fld["name"] = grp["name"].toLowerCase();
|
||
token = this.tn.peek();
|
||
if (token === Lang.END)
|
||
this.tn.next();
|
||
} else {
|
||
if (!Lang.TYPE.test(token) && !Lang.TYPEREF.test(token))
|
||
throw Error("Illegal field type in message "+msg.name+" at line "+this.tn.line+": "+token);
|
||
fld["type"] = token;
|
||
token = this.tn.next();
|
||
if (!Lang.NAME.test(token))
|
||
throw Error("Illegal field name in message "+msg.name+" at line "+this.tn.line+": "+token);
|
||
fld["name"] = token;
|
||
token = this.tn.next();
|
||
if (token !== Lang.EQUAL)
|
||
throw Error("Illegal token in field "+msg.name+"#"+fld.name+" at line "+this.tn.line+": "+token);
|
||
token = this.tn.next();
|
||
try {
|
||
fld["id"] = this._parseId(token);
|
||
} catch (e) {
|
||
throw Error("Illegal field id in message "+msg.name+"#"+fld.name+" at line "+this.tn.line+": "+token);
|
||
}
|
||
token = this.tn.next();
|
||
if (token === Lang.OPTOPEN)
|
||
this._parseFieldOptions(msg, fld, token),
|
||
token = this.tn.next();
|
||
if (token !== Lang.END)
|
||
throw Error("Illegal delimiter in message "+msg.name+"#"+fld.name+" at line "+this.tn.line+": "+token);
|
||
}
|
||
msg["fields"].push(fld);
|
||
return fld;
|
||
};
|
||
|
||
/**
|
||
* Parses a message oneof.
|
||
* @param {Object} msg Message definition
|
||
* @param {string} token Initial token
|
||
* @throws {Error} If the message oneof cannot be parsed
|
||
* @private
|
||
*/
|
||
ParserPrototype._parseMessageOneOf = function(msg, token) {
|
||
token = this.tn.next();
|
||
if (!Lang.NAME.test(token))
|
||
throw Error("Illegal oneof name in message "+msg.name+" at line "+this.tn.line+": "+token);
|
||
var name = token,
|
||
fld;
|
||
var fields = [];
|
||
token = this.tn.next();
|
||
if (token !== Lang.OPEN)
|
||
throw Error("Illegal start of oneof "+name+" at line "+this.tn.line+": "+token);
|
||
while (this.tn.peek() !== Lang.CLOSE) {
|
||
fld = this._parseMessageField(msg, "optional");
|
||
fld["oneof"] = name;
|
||
fields.push(fld["id"]);
|
||
}
|
||
this.tn.next();
|
||
msg["oneofs"][name] = fields;
|
||
};
|
||
|
||
/**
|
||
* Parses a set of field option definitions.
|
||
* @param {Object} msg Message definition
|
||
* @param {Object} fld Field definition
|
||
* @param {string} token Initial token
|
||
* @throws {Error} If the message field options cannot be parsed
|
||
* @private
|
||
*/
|
||
ParserPrototype._parseFieldOptions = function(msg, fld, token) {
|
||
var first = true;
|
||
do {
|
||
token = this.tn.next();
|
||
if (token === Lang.OPTCLOSE)
|
||
break;
|
||
else if (token === Lang.OPTEND) {
|
||
if (first)
|
||
throw Error("Illegal start of options in message "+msg.name+"#"+fld.name+" at line "+this.tn.line+": "+token);
|
||
token = this.tn.next();
|
||
}
|
||
this._parseFieldOption(msg, fld, token);
|
||
first = false;
|
||
} while (true);
|
||
};
|
||
|
||
/**
|
||
* Parses a single field option.
|
||
* @param {Object} msg Message definition
|
||
* @param {Object} fld Field definition
|
||
* @param {string} token Initial token
|
||
* @throws {Error} If the mesage field option cannot be parsed
|
||
* @private
|
||
*/
|
||
ParserPrototype._parseFieldOption = function(msg, fld, token) {
|
||
var custom = false;
|
||
if (token === Lang.COPTOPEN)
|
||
token = this.tn.next(),
|
||
custom = true;
|
||
if (!Lang.TYPEREF.test(token))
|
||
throw Error("Illegal field option in "+msg.name+"#"+fld.name+" at line "+this.tn.line+": "+token);
|
||
var name = token;
|
||
token = this.tn.next();
|
||
if (custom) {
|
||
if (token !== Lang.COPTCLOSE)
|
||
throw Error("Illegal delimiter in "+msg.name+"#"+fld.name+" at line "+this.tn.line+": "+token);
|
||
name = '('+name+')';
|
||
token = this.tn.next();
|
||
if (Lang.FQTYPEREF.test(token))
|
||
name += token,
|
||
token = this.tn.next();
|
||
}
|
||
if (token !== Lang.EQUAL)
|
||
throw Error("Illegal token in "+msg.name+"#"+fld.name+" at line "+this.tn.line+": "+token);
|
||
var value;
|
||
token = this.tn.peek();
|
||
if (token === Lang.STRINGOPEN || token === Lang.STRINGOPEN_SQ) {
|
||
value = this._parseString();
|
||
} else if (Lang.NUMBER.test(token, true))
|
||
value = this._parseNumber(this.tn.next(), true);
|
||
else if (Lang.BOOL.test(token))
|
||
value = this.tn.next().toLowerCase() === 'true';
|
||
else if (Lang.TYPEREF.test(token))
|
||
value = this.tn.next(); // TODO: Resolve?
|
||
else
|
||
throw Error("Illegal value in message "+msg.name+"#"+fld.name+", option "+name+" at line "+this.tn.line+": "+token);
|
||
fld["options"][name] = value;
|
||
};
|
||
|
||
/**
|
||
* Parses an enum.
|
||
* @param {Object} msg Message definition
|
||
* @param {string} token Initial token
|
||
* @throws {Error} If the enum cannot be parsed
|
||
* @private
|
||
*/
|
||
ParserPrototype._parseEnum = function(msg, token) {
|
||
/** @dict */
|
||
var enm = {};
|
||
token = this.tn.next();
|
||
if (!Lang.NAME.test(token))
|
||
throw Error("Illegal enum name in message "+msg.name+" at line "+this.tn.line+": "+token);
|
||
enm["name"] = token;
|
||
token = this.tn.next();
|
||
if (token !== Lang.OPEN)
|
||
throw Error("Illegal start of enum "+enm.name+" at line "+this.tn.line+": "+token);
|
||
enm["values"] = [];
|
||
enm["options"] = {};
|
||
do {
|
||
token = this.tn.next();
|
||
if (token === Lang.CLOSE) {
|
||
token = this.tn.peek();
|
||
if (token === Lang.END)
|
||
this.tn.next();
|
||
break;
|
||
}
|
||
if (token == 'option')
|
||
this._parseOption(enm, token);
|
||
else {
|
||
if (!Lang.NAME.test(token))
|
||
throw Error("Illegal name in enum "+enm.name+" at line "+this.tn.line+": "+token);
|
||
this._parseEnumValue(enm, token);
|
||
}
|
||
} while (true);
|
||
msg["enums"].push(enm);
|
||
};
|
||
|
||
/**
|
||
* Parses an enum value.
|
||
* @param {Object} enm Enum definition
|
||
* @param {string} token Initial token
|
||
* @throws {Error} If the enum value cannot be parsed
|
||
* @private
|
||
*/
|
||
ParserPrototype._parseEnumValue = function(enm, token) {
|
||
/** @dict */
|
||
var val = {};
|
||
val["name"] = token;
|
||
token = this.tn.next();
|
||
if (token !== Lang.EQUAL)
|
||
throw Error("Illegal token in enum "+enm.name+" at line "+this.tn.line+": "+token);
|
||
token = this.tn.next();
|
||
try {
|
||
val["id"] = this._parseId(token, true);
|
||
} catch (e) {
|
||
throw Error("Illegal id in enum "+enm.name+" at line "+this.tn.line+": "+token);
|
||
}
|
||
enm["values"].push(val);
|
||
token = this.tn.next();
|
||
if (token === Lang.OPTOPEN) {
|
||
var opt = { 'options' : {} }; // TODO: Actually expose them somehow.
|
||
this._parseFieldOptions(enm, opt, token);
|
||
token = this.tn.next();
|
||
}
|
||
if (token !== Lang.END)
|
||
throw Error("Illegal delimiter in enum "+enm.name+" at line "+this.tn.line+": "+token);
|
||
};
|
||
|
||
/**
|
||
* Parses an extensions statement.
|
||
* @param {Object} msg Message object
|
||
* @param {string} token Initial token
|
||
* @throws {Error} If the extensions statement cannot be parsed
|
||
* @private
|
||
*/
|
||
ParserPrototype._parseExtensions = function(msg, token) {
|
||
/** @type {Array.<number>} */
|
||
var range = [];
|
||
token = this.tn.next();
|
||
if (token === "min") // FIXME: Does the official implementation support this?
|
||
range.push(ProtoBuf.ID_MIN);
|
||
else if (token === "max")
|
||
range.push(ProtoBuf.ID_MAX);
|
||
else
|
||
range.push(this._parseNumber(token));
|
||
token = this.tn.next();
|
||
if (token !== 'to')
|
||
throw Error("Illegal extensions delimiter in message "+msg.name+" at line "+this.tn.line+": "+token);
|
||
token = this.tn.next();
|
||
if (token === "min")
|
||
range.push(ProtoBuf.ID_MIN);
|
||
else if (token === "max")
|
||
range.push(ProtoBuf.ID_MAX);
|
||
else
|
||
range.push(this._parseNumber(token));
|
||
token = this.tn.next();
|
||
if (token !== Lang.END)
|
||
throw Error("Illegal extensions delimiter in message "+msg.name+" at line "+this.tn.line+": "+token);
|
||
return range;
|
||
};
|
||
|
||
/**
|
||
* Parses an extend block.
|
||
* @param {Object} parent Parent object
|
||
* @param {string} token Initial token
|
||
* @throws {Error} If the extend block cannot be parsed
|
||
* @private
|
||
*/
|
||
ParserPrototype._parseExtend = function(parent, token) {
|
||
token = this.tn.next();
|
||
if (!Lang.TYPEREF.test(token))
|
||
throw Error("Illegal message name at line "+this.tn.line+": "+token);
|
||
/** @dict */
|
||
var ext = {};
|
||
ext["ref"] = token;
|
||
ext["fields"] = [];
|
||
token = this.tn.next();
|
||
if (token !== Lang.OPEN)
|
||
throw Error("Illegal start of extend "+ext.name+" at line "+this.tn.line+": "+token);
|
||
do {
|
||
token = this.tn.next();
|
||
if (token === Lang.CLOSE) {
|
||
token = this.tn.peek();
|
||
if (token == Lang.END)
|
||
this.tn.next();
|
||
break;
|
||
} else if (Lang.RULE.test(token))
|
||
this._parseMessageField(ext, token);
|
||
else
|
||
throw Error("Illegal token in extend "+ext.name+" at line "+this.tn.line+": "+token);
|
||
} while (true);
|
||
parent["messages"].push(ext);
|
||
return ext;
|
||
};
|
||
|
||
/**
|
||
* Returns a string representation of this object.
|
||
* @returns {string} String representation as of "Parser"
|
||
*/
|
||
ParserPrototype.toString = function() {
|
||
return "Parser";
|
||
};
|
||
|
||
/**
|
||
* @alias ProtoBuf.DotProto.Parser
|
||
* @expose
|
||
*/
|
||
DotProto.Parser = Parser;
|
||
|
||
return DotProto;
|
||
|
||
})(ProtoBuf, ProtoBuf.Lang);
|
||
|
||
/**
|
||
* @alias ProtoBuf.Reflect
|
||
* @expose
|
||
*/
|
||
ProtoBuf.Reflect = (function(ProtoBuf) {
|
||
"use strict";
|
||
|
||
/**
|
||
* Reflection types.
|
||
* @exports ProtoBuf.Reflect
|
||
* @namespace
|
||
*/
|
||
var Reflect = {};
|
||
|
||
/**
|
||
* Constructs a Reflect base class.
|
||
* @exports ProtoBuf.Reflect.T
|
||
* @constructor
|
||
* @abstract
|
||
* @param {!ProtoBuf.Builder} builder Builder reference
|
||
* @param {?ProtoBuf.Reflect.T} parent Parent object
|
||
* @param {string} name Object name
|
||
*/
|
||
var T = function(builder, parent, name) {
|
||
|
||
/**
|
||
* Builder reference.
|
||
* @type {!ProtoBuf.Builder}
|
||
* @expose
|
||
*/
|
||
this.builder = builder;
|
||
|
||
/**
|
||
* Parent object.
|
||
* @type {?ProtoBuf.Reflect.T}
|
||
* @expose
|
||
*/
|
||
this.parent = parent;
|
||
|
||
/**
|
||
* Object name in namespace.
|
||
* @type {string}
|
||
* @expose
|
||
*/
|
||
this.name = name;
|
||
|
||
/**
|
||
* Fully qualified class name
|
||
* @type {string}
|
||
* @expose
|
||
*/
|
||
this.className;
|
||
};
|
||
|
||
/**
|
||
* @alias ProtoBuf.Reflect.T.prototype
|
||
* @inner
|
||
*/
|
||
var TPrototype = T.prototype;
|
||
|
||
/**
|
||
* Returns the fully qualified name of this object.
|
||
* @returns {string} Fully qualified name as of ".PATH.TO.THIS"
|
||
* @expose
|
||
*/
|
||
TPrototype.fqn = function() {
|
||
var name = this.name,
|
||
ptr = this;
|
||
do {
|
||
ptr = ptr.parent;
|
||
if (ptr == null)
|
||
break;
|
||
name = ptr.name+"."+name;
|
||
} while (true);
|
||
return name;
|
||
};
|
||
|
||
/**
|
||
* Returns a string representation of this Reflect object (its fully qualified name).
|
||
* @param {boolean=} includeClass Set to true to include the class name. Defaults to false.
|
||
* @return String representation
|
||
* @expose
|
||
*/
|
||
TPrototype.toString = function(includeClass) {
|
||
return (includeClass ? this.className + " " : "") + this.fqn();
|
||
};
|
||
|
||
/**
|
||
* Builds this type.
|
||
* @throws {Error} If this type cannot be built directly
|
||
* @expose
|
||
*/
|
||
TPrototype.build = function() {
|
||
throw Error(this.toString(true)+" cannot be built directly");
|
||
};
|
||
|
||
/**
|
||
* @alias ProtoBuf.Reflect.T
|
||
* @expose
|
||
*/
|
||
Reflect.T = T;
|
||
|
||
/**
|
||
* Constructs a new Namespace.
|
||
* @exports ProtoBuf.Reflect.Namespace
|
||
* @param {!ProtoBuf.Builder} builder Builder reference
|
||
* @param {?ProtoBuf.Reflect.Namespace} parent Namespace parent
|
||
* @param {string} name Namespace name
|
||
* @param {Object.<string,*>=} options Namespace options
|
||
* @constructor
|
||
* @extends ProtoBuf.Reflect.T
|
||
*/
|
||
var Namespace = function(builder, parent, name, options) {
|
||
T.call(this, builder, parent, name);
|
||
|
||
/**
|
||
* @override
|
||
*/
|
||
this.className = "Namespace";
|
||
|
||
/**
|
||
* Children inside the namespace.
|
||
* @type {!Array.<ProtoBuf.Reflect.T>}
|
||
*/
|
||
this.children = [];
|
||
|
||
/**
|
||
* Options.
|
||
* @type {!Object.<string, *>}
|
||
*/
|
||
this.options = options || {};
|
||
};
|
||
|
||
/**
|
||
* @alias ProtoBuf.Reflect.Namespace.prototype
|
||
* @inner
|
||
*/
|
||
var NamespacePrototype = Namespace.prototype = Object.create(T.prototype);
|
||
|
||
/**
|
||
* Returns an array of the namespace's children.
|
||
* @param {ProtoBuf.Reflect.T=} type Filter type (returns instances of this type only). Defaults to null (all children).
|
||
* @return {Array.<ProtoBuf.Reflect.T>}
|
||
* @expose
|
||
*/
|
||
NamespacePrototype.getChildren = function(type) {
|
||
type = type || null;
|
||
if (type == null)
|
||
return this.children.slice();
|
||
var children = [];
|
||
for (var i=0, k=this.children.length; i<k; ++i)
|
||
if (this.children[i] instanceof type)
|
||
children.push(this.children[i]);
|
||
return children;
|
||
};
|
||
|
||
/**
|
||
* Adds a child to the namespace.
|
||
* @param {ProtoBuf.Reflect.T} child Child
|
||
* @throws {Error} If the child cannot be added (duplicate)
|
||
* @expose
|
||
*/
|
||
NamespacePrototype.addChild = function(child) {
|
||
var other;
|
||
if (other = this.getChild(child.name)) {
|
||
// Try to revert camelcase transformation on collision
|
||
if (other instanceof Message.Field && other.name !== other.originalName && this.getChild(other.originalName) === null)
|
||
other.name = other.originalName; // Revert previous first (effectively keeps both originals)
|
||
else if (child instanceof Message.Field && child.name !== child.originalName && this.getChild(child.originalName) === null)
|
||
child.name = child.originalName;
|
||
else
|
||
throw Error("Duplicate name in namespace "+this.toString(true)+": "+child.name);
|
||
}
|
||
this.children.push(child);
|
||
};
|
||
|
||
/**
|
||
* Gets a child by its name or id.
|
||
* @param {string|number} nameOrId Child name or id
|
||
* @return {?ProtoBuf.Reflect.T} The child or null if not found
|
||
* @expose
|
||
*/
|
||
NamespacePrototype.getChild = function(nameOrId) {
|
||
var key = typeof nameOrId === 'number' ? 'id' : 'name';
|
||
for (var i=0, k=this.children.length; i<k; ++i)
|
||
if (this.children[i][key] === nameOrId)
|
||
return this.children[i];
|
||
return null;
|
||
};
|
||
|
||
/**
|
||
* Resolves a reflect object inside of this namespace.
|
||
* @param {string} qn Qualified name to resolve
|
||
* @param {boolean=} excludeFields Excludes fields, defaults to `false`
|
||
* @return {?ProtoBuf.Reflect.Namespace} The resolved type or null if not found
|
||
* @expose
|
||
*/
|
||
NamespacePrototype.resolve = function(qn, excludeFields) {
|
||
var part = qn.split("."),
|
||
ptr = this,
|
||
i = 0;
|
||
if (part[i] === "") { // Fully qualified name, e.g. ".My.Message'
|
||
while (ptr.parent !== null)
|
||
ptr = ptr.parent;
|
||
i++;
|
||
}
|
||
var child;
|
||
do {
|
||
do {
|
||
child = ptr.getChild(part[i]);
|
||
if (!child || !(child instanceof Reflect.T) || (excludeFields && child instanceof Reflect.Message.Field)) {
|
||
ptr = null;
|
||
break;
|
||
}
|
||
ptr = child; i++;
|
||
} while (i < part.length);
|
||
if (ptr != null)
|
||
break; // Found
|
||
// Else search the parent
|
||
if (this.parent !== null) {
|
||
return this.parent.resolve(qn, excludeFields);
|
||
}
|
||
} while (ptr != null);
|
||
return ptr;
|
||
};
|
||
|
||
/**
|
||
* Builds the namespace and returns the runtime counterpart.
|
||
* @return {Object.<string,Function|Object>} Runtime namespace
|
||
* @expose
|
||
*/
|
||
NamespacePrototype.build = function() {
|
||
/** @dict */
|
||
var ns = {};
|
||
var children = this.children;
|
||
for (var i=0, k=children.length, child; i<k; ++i) {
|
||
child = children[i];
|
||
if (child instanceof Namespace)
|
||
ns[child.name] = child.build();
|
||
}
|
||
if (Object.defineProperty)
|
||
Object.defineProperty(ns, "$options", { "value": this.buildOpt() });
|
||
return ns;
|
||
};
|
||
|
||
/**
|
||
* Builds the namespace's '$options' property.
|
||
* @return {Object.<string,*>}
|
||
*/
|
||
NamespacePrototype.buildOpt = function() {
|
||
var opt = {},
|
||
keys = Object.keys(this.options);
|
||
for (var i=0, k=keys.length; i<k; ++i) {
|
||
var key = keys[i],
|
||
val = this.options[keys[i]];
|
||
// TODO: Options are not resolved, yet.
|
||
// if (val instanceof Namespace) {
|
||
// opt[key] = val.build();
|
||
// } else {
|
||
opt[key] = val;
|
||
// }
|
||
}
|
||
return opt;
|
||
};
|
||
|
||
/**
|
||
* Gets the value assigned to the option with the specified name.
|
||
* @param {string=} name Returns the option value if specified, otherwise all options are returned.
|
||
* @return {*|Object.<string,*>}null} Option value or NULL if there is no such option
|
||
*/
|
||
NamespacePrototype.getOption = function(name) {
|
||
if (typeof name === 'undefined')
|
||
return this.options;
|
||
return typeof this.options[name] !== 'undefined' ? this.options[name] : null;
|
||
};
|
||
|
||
/**
|
||
* @alias ProtoBuf.Reflect.Namespace
|
||
* @expose
|
||
*/
|
||
Reflect.Namespace = Namespace;
|
||
|
||
/**
|
||
* Constructs a new Message.
|
||
* @exports ProtoBuf.Reflect.Message
|
||
* @param {!ProtoBuf.Builder} builder Builder reference
|
||
* @param {!ProtoBuf.Reflect.Namespace} parent Parent message or namespace
|
||
* @param {string} name Message name
|
||
* @param {Object.<string,*>=} options Message options
|
||
* @param {boolean=} isGroup `true` if this is a legacy group
|
||
* @constructor
|
||
* @extends ProtoBuf.Reflect.Namespace
|
||
*/
|
||
var Message = function(builder, parent, name, options, isGroup) {
|
||
Namespace.call(this, builder, parent, name, options);
|
||
|
||
/**
|
||
* @override
|
||
*/
|
||
this.className = "Message";
|
||
|
||
/**
|
||
* Extensions range.
|
||
* @type {!Array.<number>}
|
||
* @expose
|
||
*/
|
||
this.extensions = [ProtoBuf.ID_MIN, ProtoBuf.ID_MAX];
|
||
|
||
/**
|
||
* Runtime message class.
|
||
* @type {?function(new:ProtoBuf.Builder.Message)}
|
||
* @expose
|
||
*/
|
||
this.clazz = null;
|
||
|
||
/**
|
||
* Whether this is a legacy group or not.
|
||
* @type {boolean}
|
||
* @expose
|
||
*/
|
||
this.isGroup = !!isGroup;
|
||
|
||
// The following cached collections are used to efficiently iterate over or look up fields when decoding.
|
||
|
||
/**
|
||
* Cached fields.
|
||
* @type {?Array.<!ProtoBuf.Reflect.Message.Field>}
|
||
* @private
|
||
*/
|
||
this._fields = null;
|
||
|
||
/**
|
||
* Cached fields by id.
|
||
* @type {?Object.<number,!ProtoBuf.Reflect.Message.Field>}
|
||
* @private
|
||
*/
|
||
this._fieldsById = null;
|
||
|
||
/**
|
||
* Cached fields by name.
|
||
* @type {?Object.<string,!ProtoBuf.Reflect.Message.Field>}
|
||
* @private
|
||
*/
|
||
this._fieldsByName = null;
|
||
};
|
||
|
||
/**
|
||
* @alias ProtoBuf.Reflect.Message.prototype
|
||
* @inner
|
||
*/
|
||
var MessagePrototype = Message.prototype = Object.create(Namespace.prototype);
|
||
|
||
/**
|
||
* Builds the message and returns the runtime counterpart, which is a fully functional class.
|
||
* @see ProtoBuf.Builder.Message
|
||
* @param {boolean=} rebuild Whether to rebuild or not, defaults to false
|
||
* @return {ProtoBuf.Reflect.Message} Message class
|
||
* @throws {Error} If the message cannot be built
|
||
* @expose
|
||
*/
|
||
MessagePrototype.build = function(rebuild) {
|
||
if (this.clazz && !rebuild)
|
||
return this.clazz;
|
||
|
||
// Create the runtime Message class in its own scope
|
||
var clazz = (function(ProtoBuf, T) {
|
||
|
||
var fields = T.getChildren(ProtoBuf.Reflect.Message.Field),
|
||
oneofs = T.getChildren(ProtoBuf.Reflect.Message.OneOf);
|
||
|
||
/**
|
||
* Constructs a new runtime Message.
|
||
* @name ProtoBuf.Builder.Message
|
||
* @class Barebone of all runtime messages.
|
||
* @param {!Object.<string,*>|string} values Preset values
|
||
* @param {...string} var_args
|
||
* @constructor
|
||
* @throws {Error} If the message cannot be created
|
||
*/
|
||
var Message = function(values, var_args) {
|
||
ProtoBuf.Builder.Message.call(this);
|
||
|
||
// Create virtual oneof properties
|
||
for (var i=0, k=oneofs.length; i<k; ++i)
|
||
this[oneofs[i].name] = null;
|
||
// Create fields and set default values
|
||
for (i=0, k=fields.length; i<k; ++i) {
|
||
var field = fields[i];
|
||
this[field.name] = field.repeated ? [] : null;
|
||
if (field.required && field.defaultValue !== null)
|
||
this[field.name] = field.defaultValue;
|
||
}
|
||
|
||
if (arguments.length > 0) {
|
||
// Set field values from a values object
|
||
if (arguments.length === 1 && typeof values === 'object' &&
|
||
/* not another Message */ typeof values.encode !== 'function' &&
|
||
/* not a repeated field */ !ProtoBuf.Util.isArray(values) &&
|
||
/* not a ByteBuffer */ !(values instanceof ByteBuffer) &&
|
||
/* not an ArrayBuffer */ !(values instanceof ArrayBuffer) &&
|
||
/* not a Long */ !(ProtoBuf.Long && values instanceof ProtoBuf.Long)) {
|
||
var keys = Object.keys(values);
|
||
for (i=0, k=keys.length; i<k; ++i)
|
||
this.$set(keys[i], values[keys[i]]); // May throw
|
||
} else // Set field values from arguments, in declaration order
|
||
for (i=0, k=arguments.length; i<k; ++i)
|
||
this.$set(fields[i].name, arguments[i]); // May throw
|
||
}
|
||
};
|
||
|
||
/**
|
||
* @alias ProtoBuf.Builder.Message.prototype
|
||
* @inner
|
||
*/
|
||
var MessagePrototype = Message.prototype = Object.create(ProtoBuf.Builder.Message.prototype);
|
||
|
||
/**
|
||
* Adds a value to a repeated field.
|
||
* @name ProtoBuf.Builder.Message#add
|
||
* @function
|
||
* @param {string} key Field name
|
||
* @param {*} value Value to add
|
||
* @param {boolean=} noAssert Whether to assert the value or not (asserts by default)
|
||
* @throws {Error} If the value cannot be added
|
||
* @expose
|
||
*/
|
||
MessagePrototype.add = function(key, value, noAssert) {
|
||
var field = T._fieldsByName[key];
|
||
if (!noAssert) {
|
||
if (!field)
|
||
throw Error(this+"#"+key+" is undefined");
|
||
if (!(field instanceof ProtoBuf.Reflect.Message.Field))
|
||
throw Error(this+"#"+key+" is not a field: "+field.toString(true)); // May throw if it's an enum or embedded message
|
||
if (!field.repeated)
|
||
throw Error(this+"#"+key+" is not a repeated field");
|
||
}
|
||
if (this[field.name] === null)
|
||
this[field.name] = [];
|
||
this[field.name].push(noAssert ? value : field.verifyValue(value, true));
|
||
};
|
||
|
||
/**
|
||
* Adds a value to a repeated field. This is an alias for {@link ProtoBuf.Builder.Message#add}.
|
||
* @name ProtoBuf.Builder.Message#$add
|
||
* @function
|
||
* @param {string} key Field name
|
||
* @param {*} value Value to add
|
||
* @param {boolean=} noAssert Whether to assert the value or not (asserts by default)
|
||
* @throws {Error} If the value cannot be added
|
||
* @expose
|
||
*/
|
||
MessagePrototype.$add = MessagePrototype.add;
|
||
|
||
/**
|
||
* Sets a field's value.
|
||
* @name ProtoBuf.Builder.Message#set
|
||
* @function
|
||
* @param {string} key Key
|
||
* @param {*} value Value to set
|
||
* @param {boolean=} noAssert Whether to not assert for an actual field / proper value type, defaults to `false`
|
||
* @returns {!ProtoBuf.Builder.Message} this
|
||
* @throws {Error} If the value cannot be set
|
||
* @expose
|
||
*/
|
||
MessagePrototype.set = function(key, value, noAssert) {
|
||
if (key && typeof key === 'object') {
|
||
for (var i in key)
|
||
if (key.hasOwnProperty(i))
|
||
this.$set(i, key[i], noAssert);
|
||
return this;
|
||
}
|
||
var field = T._fieldsByName[key];
|
||
if (!noAssert) {
|
||
if (!field)
|
||
throw Error(this+"#"+key+" is not a field: undefined");
|
||
if (!(field instanceof ProtoBuf.Reflect.Message.Field))
|
||
throw Error(this+"#"+key+" is not a field: "+field.toString(true));
|
||
this[field.name] = (value = field.verifyValue(value)); // May throw
|
||
} else {
|
||
this[field.name] = value;
|
||
}
|
||
if (field.oneof) {
|
||
if (value !== null) {
|
||
if (this[field.oneof.name] !== null)
|
||
this[this[field.oneof.name]] = null; // Unset the previous (field name is the oneof field's value)
|
||
this[field.oneof.name] = field.name;
|
||
} else if (field.oneof.name === key)
|
||
this[field.oneof.name] = null;
|
||
}
|
||
return this;
|
||
};
|
||
|
||
/**
|
||
* Sets a field's value. This is an alias for [@link ProtoBuf.Builder.Message#set}.
|
||
* @name ProtoBuf.Builder.Message#$set
|
||
* @function
|
||
* @param {string} key Key
|
||
* @param {*} value Value to set
|
||
* @param {boolean=} noAssert Whether to not assert the value, defaults to `false`
|
||
* @throws {Error} If the value cannot be set
|
||
* @expose
|
||
*/
|
||
MessagePrototype.$set = MessagePrototype.set;
|
||
|
||
/**
|
||
* Gets a field's value.
|
||
* @name ProtoBuf.Builder.Message#get
|
||
* @function
|
||
* @param {string} key Key
|
||
* @param {boolean=} noAssert Whether to not assert for an actual field, defaults to `false`
|
||
* @return {*} Value
|
||
* @throws {Error} If there is no such field
|
||
* @expose
|
||
*/
|
||
MessagePrototype.get = function(key, noAssert) {
|
||
if (noAssert)
|
||
return this[key];
|
||
var field = T._fieldsByName[key];
|
||
if (!field || !(field instanceof ProtoBuf.Reflect.Message.Field))
|
||
throw Error(this+"#"+key+" is not a field: undefined");
|
||
if (!(field instanceof ProtoBuf.Reflect.Message.Field))
|
||
throw Error(this+"#"+key+" is not a field: "+field.toString(true));
|
||
return this[field.name];
|
||
};
|
||
|
||
/**
|
||
* Gets a field's value. This is an alias for {@link ProtoBuf.Builder.Message#$get}.
|
||
* @name ProtoBuf.Builder.Message#$get
|
||
* @function
|
||
* @param {string} key Key
|
||
* @return {*} Value
|
||
* @throws {Error} If there is no such field
|
||
* @expose
|
||
*/
|
||
MessagePrototype.$get = MessagePrototype.get;
|
||
|
||
// Getters and setters
|
||
|
||
for (var i=0; i<fields.length; i++) {
|
||
var field = fields[i];
|
||
// no setters for extension fields as these are named by their fqn
|
||
if (field instanceof ProtoBuf.Reflect.Message.ExtensionField)
|
||
continue;
|
||
|
||
if (T.builder.options['populateAccessors'])
|
||
(function(field) {
|
||
// set/get[SomeValue]
|
||
var Name = field.originalName.replace(/(_[a-zA-Z])/g, function(match) {
|
||
return match.toUpperCase().replace('_','');
|
||
});
|
||
Name = Name.substring(0,1).toUpperCase() + Name.substring(1);
|
||
|
||
// set/get_[some_value] FIXME: Do we really need these?
|
||
var name = field.originalName.replace(/([A-Z])/g, function(match) {
|
||
return "_"+match;
|
||
});
|
||
|
||
/**
|
||
* The current field's unbound setter function.
|
||
* @function
|
||
* @param {*} value
|
||
* @param {boolean=} noAssert
|
||
* @returns {!ProtoBuf.Builder.Message}
|
||
* @inner
|
||
*/
|
||
var setter = function(value, noAssert) {
|
||
this[field.name] = noAssert ? value : field.verifyValue(value);
|
||
return this;
|
||
};
|
||
|
||
/**
|
||
* The current field's unbound getter function.
|
||
* @function
|
||
* @returns {*}
|
||
* @inner
|
||
*/
|
||
var getter = function() {
|
||
return this[field.name];
|
||
};
|
||
|
||
/**
|
||
* Sets a value. This method is present for each field, but only if there is no name conflict with
|
||
* another field.
|
||
* @name ProtoBuf.Builder.Message#set[SomeField]
|
||
* @function
|
||
* @param {*} value Value to set
|
||
* @param {boolean=} noAssert Whether to not assert the value, defaults to `false`
|
||
* @returns {!ProtoBuf.Builder.Message} this
|
||
* @abstract
|
||
* @throws {Error} If the value cannot be set
|
||
*/
|
||
if (T.getChild("set"+Name) === null)
|
||
MessagePrototype["set"+Name] = setter;
|
||
|
||
/**
|
||
* Sets a value. This method is present for each field, but only if there is no name conflict with
|
||
* another field.
|
||
* @name ProtoBuf.Builder.Message#set_[some_field]
|
||
* @function
|
||
* @param {*} value Value to set
|
||
* @param {boolean=} noAssert Whether to not assert the value, defaults to `false`
|
||
* @returns {!ProtoBuf.Builder.Message} this
|
||
* @abstract
|
||
* @throws {Error} If the value cannot be set
|
||
*/
|
||
if (T.getChild("set_"+name) === null)
|
||
MessagePrototype["set_"+name] = setter;
|
||
|
||
/**
|
||
* Gets a value. This method is present for each field, but only if there is no name conflict with
|
||
* another field.
|
||
* @name ProtoBuf.Builder.Message#get[SomeField]
|
||
* @function
|
||
* @abstract
|
||
* @return {*} The value
|
||
*/
|
||
if (T.getChild("get"+Name) === null)
|
||
MessagePrototype["get"+Name] = getter;
|
||
|
||
/**
|
||
* Gets a value. This method is present for each field, but only if there is no name conflict with
|
||
* another field.
|
||
* @name ProtoBuf.Builder.Message#get_[some_field]
|
||
* @function
|
||
* @return {*} The value
|
||
* @abstract
|
||
*/
|
||
if (T.getChild("get_"+name) === null)
|
||
MessagePrototype["get_"+name] = getter;
|
||
|
||
})(field);
|
||
}
|
||
|
||
// En-/decoding
|
||
|
||
/**
|
||
* Encodes the message.
|
||
* @name ProtoBuf.Builder.Message#$encode
|
||
* @function
|
||
* @param {(!ByteBuffer|boolean)=} buffer ByteBuffer to encode to. Will create a new one and flip it if omitted.
|
||
* @param {boolean=} noVerify Whether to not verify field values, defaults to `false`
|
||
* @return {!ByteBuffer} Encoded message as a ByteBuffer
|
||
* @throws {Error} If the message cannot be encoded or if required fields are missing. The later still
|
||
* returns the encoded ByteBuffer in the `encoded` property on the error.
|
||
* @expose
|
||
* @see ProtoBuf.Builder.Message#encode64
|
||
* @see ProtoBuf.Builder.Message#encodeHex
|
||
* @see ProtoBuf.Builder.Message#encodeAB
|
||
*/
|
||
MessagePrototype.encode = function(buffer, noVerify) {
|
||
if (typeof buffer === 'boolean')
|
||
noVerify = buffer,
|
||
buffer = undefined;
|
||
var isNew = false;
|
||
if (!buffer)
|
||
buffer = new ByteBuffer(),
|
||
isNew = true;
|
||
var le = buffer.littleEndian;
|
||
try {
|
||
T.encode(this, buffer.LE(), noVerify);
|
||
return (isNew ? buffer.flip() : buffer).LE(le);
|
||
} catch (e) {
|
||
buffer.LE(le);
|
||
throw(e);
|
||
}
|
||
};
|
||
|
||
/**
|
||
* Calculates the byte length of the message.
|
||
* @name ProtoBuf.Builder.Message#calculate
|
||
* @function
|
||
* @returns {number} Byte length
|
||
* @throws {Error} If the message cannot be calculated or if required fields are missing.
|
||
* @expose
|
||
*/
|
||
MessagePrototype.calculate = function() {
|
||
return T.calculate(this);
|
||
};
|
||
|
||
/**
|
||
* Encodes the varint32 length-delimited message.
|
||
* @name ProtoBuf.Builder.Message#encodeDelimited
|
||
* @function
|
||
* @param {(!ByteBuffer|boolean)=} buffer ByteBuffer to encode to. Will create a new one and flip it if omitted.
|
||
* @return {!ByteBuffer} Encoded message as a ByteBuffer
|
||
* @throws {Error} If the message cannot be encoded or if required fields are missing. The later still
|
||
* returns the encoded ByteBuffer in the `encoded` property on the error.
|
||
* @expose
|
||
*/
|
||
MessagePrototype.encodeDelimited = function(buffer) {
|
||
var isNew = false;
|
||
if (!buffer)
|
||
buffer = new ByteBuffer(),
|
||
isNew = true;
|
||
var enc = new ByteBuffer().LE();
|
||
T.encode(this, enc).flip();
|
||
buffer.writeVarint32(enc.remaining());
|
||
buffer.append(enc);
|
||
return isNew ? buffer.flip() : buffer;
|
||
};
|
||
|
||
/**
|
||
* Directly encodes the message to an ArrayBuffer.
|
||
* @name ProtoBuf.Builder.Message#encodeAB
|
||
* @function
|
||
* @return {ArrayBuffer} Encoded message as ArrayBuffer
|
||
* @throws {Error} If the message cannot be encoded or if required fields are missing. The later still
|
||
* returns the encoded ArrayBuffer in the `encoded` property on the error.
|
||
* @expose
|
||
*/
|
||
MessagePrototype.encodeAB = function() {
|
||
try {
|
||
return this.encode().toArrayBuffer();
|
||
} catch (e) {
|
||
if (e["encoded"]) e["encoded"] = e["encoded"].toArrayBuffer();
|
||
throw(e);
|
||
}
|
||
};
|
||
|
||
/**
|
||
* Returns the message as an ArrayBuffer. This is an alias for {@link ProtoBuf.Builder.Message#encodeAB}.
|
||
* @name ProtoBuf.Builder.Message#toArrayBuffer
|
||
* @function
|
||
* @return {ArrayBuffer} Encoded message as ArrayBuffer
|
||
* @throws {Error} If the message cannot be encoded or if required fields are missing. The later still
|
||
* returns the encoded ArrayBuffer in the `encoded` property on the error.
|
||
* @expose
|
||
*/
|
||
MessagePrototype.toArrayBuffer = MessagePrototype.encodeAB;
|
||
|
||
/**
|
||
* Directly encodes the message to a node Buffer.
|
||
* @name ProtoBuf.Builder.Message#encodeNB
|
||
* @function
|
||
* @return {!Buffer}
|
||
* @throws {Error} If the message cannot be encoded, not running under node.js or if required fields are
|
||
* missing. The later still returns the encoded node Buffer in the `encoded` property on the error.
|
||
* @expose
|
||
*/
|
||
MessagePrototype.encodeNB = function() {
|
||
try {
|
||
return this.encode().toBuffer();
|
||
} catch (e) {
|
||
if (e["encoded"]) e["encoded"] = e["encoded"].toBuffer();
|
||
throw(e);
|
||
}
|
||
};
|
||
|
||
/**
|
||
* Returns the message as a node Buffer. This is an alias for {@link ProtoBuf.Builder.Message#encodeNB}.
|
||
* @name ProtoBuf.Builder.Message#toBuffer
|
||
* @function
|
||
* @return {!Buffer}
|
||
* @throws {Error} If the message cannot be encoded or if required fields are missing. The later still
|
||
* returns the encoded node Buffer in the `encoded` property on the error.
|
||
* @expose
|
||
*/
|
||
MessagePrototype.toBuffer = MessagePrototype.encodeNB;
|
||
|
||
/**
|
||
* Directly encodes the message to a base64 encoded string.
|
||
* @name ProtoBuf.Builder.Message#encode64
|
||
* @function
|
||
* @return {string} Base64 encoded string
|
||
* @throws {Error} If the underlying buffer cannot be encoded or if required fields are missing. The later
|
||
* still returns the encoded base64 string in the `encoded` property on the error.
|
||
* @expose
|
||
*/
|
||
MessagePrototype.encode64 = function() {
|
||
try {
|
||
return this.encode().toBase64();
|
||
} catch (e) {
|
||
if (e["encoded"]) e["encoded"] = e["encoded"].toBase64();
|
||
throw(e);
|
||
}
|
||
};
|
||
|
||
/**
|
||
* Returns the message as a base64 encoded string. This is an alias for {@link ProtoBuf.Builder.Message#encode64}.
|
||
* @name ProtoBuf.Builder.Message#toBase64
|
||
* @function
|
||
* @return {string} Base64 encoded string
|
||
* @throws {Error} If the message cannot be encoded or if required fields are missing. The later still
|
||
* returns the encoded base64 string in the `encoded` property on the error.
|
||
* @expose
|
||
*/
|
||
MessagePrototype.toBase64 = MessagePrototype.encode64;
|
||
|
||
/**
|
||
* Directly encodes the message to a hex encoded string.
|
||
* @name ProtoBuf.Builder.Message#encodeHex
|
||
* @function
|
||
* @return {string} Hex encoded string
|
||
* @throws {Error} If the underlying buffer cannot be encoded or if required fields are missing. The later
|
||
* still returns the encoded hex string in the `encoded` property on the error.
|
||
* @expose
|
||
*/
|
||
MessagePrototype.encodeHex = function() {
|
||
try {
|
||
return this.encode().toHex();
|
||
} catch (e) {
|
||
if (e["encoded"]) e["encoded"] = e["encoded"].toHex();
|
||
throw(e);
|
||
}
|
||
};
|
||
|
||
/**
|
||
* Returns the message as a hex encoded string. This is an alias for {@link ProtoBuf.Builder.Message#encodeHex}.
|
||
* @name ProtoBuf.Builder.Message#toHex
|
||
* @function
|
||
* @return {string} Hex encoded string
|
||
* @throws {Error} If the message cannot be encoded or if required fields are missing. The later still
|
||
* returns the encoded hex string in the `encoded` property on the error.
|
||
* @expose
|
||
*/
|
||
MessagePrototype.toHex = MessagePrototype.encodeHex;
|
||
|
||
/**
|
||
* Clones a message object to a raw object.
|
||
* @param {*} obj Object to clone
|
||
* @param {boolean} includeBinaryAsBase64 Whether to include binary data as base64 strings or not
|
||
* @returns {*} Cloned object
|
||
* @inner
|
||
*/
|
||
function cloneRaw(obj, includeBinaryAsBase64) {
|
||
var clone = {};
|
||
for (var i in obj)
|
||
if (obj.hasOwnProperty(i)) {
|
||
if (obj[i] === null || typeof obj[i] !== 'object')
|
||
clone[i] = obj[i];
|
||
else if (obj[i] instanceof ByteBuffer) {
|
||
if (includeBinaryAsBase64)
|
||
clone[i] = obj[i].toBase64();
|
||
} else // is a non-null object
|
||
clone[i] = cloneRaw(obj[i], includeBinaryAsBase64);
|
||
}
|
||
return clone;
|
||
}
|
||
|
||
/**
|
||
* Returns the message's raw payload.
|
||
* @param {boolean=} includeBinaryAsBase64 Whether to include binary data as base64 strings or not, defaults to `false`
|
||
* @returns {Object.<string,*>} Raw payload
|
||
* @expose
|
||
*/
|
||
MessagePrototype.toRaw = function(includeBinaryAsBase64) {
|
||
return cloneRaw(this, !!includeBinaryAsBase64);
|
||
};
|
||
|
||
/**
|
||
* Decodes a message from the specified buffer or string.
|
||
* @name ProtoBuf.Builder.Message.decode
|
||
* @function
|
||
* @param {!ByteBuffer|!ArrayBuffer|!Buffer|string} buffer Buffer to decode from
|
||
* @param {string=} enc Encoding if buffer is a string: hex, utf8 (not recommended), defaults to base64
|
||
* @return {!ProtoBuf.Builder.Message} Decoded message
|
||
* @throws {Error} If the message cannot be decoded or if required fields are missing. The later still
|
||
* returns the decoded message with missing fields in the `decoded` property on the error.
|
||
* @expose
|
||
* @see ProtoBuf.Builder.Message.decode64
|
||
* @see ProtoBuf.Builder.Message.decodeHex
|
||
*/
|
||
Message.decode = function(buffer, enc) {
|
||
if (typeof buffer === 'string')
|
||
buffer = ByteBuffer.wrap(buffer, enc ? enc : "base64");
|
||
buffer = buffer instanceof ByteBuffer ? buffer : ByteBuffer.wrap(buffer); // May throw
|
||
var le = buffer.littleEndian;
|
||
try {
|
||
var msg = T.decode(buffer.LE());
|
||
buffer.LE(le);
|
||
return msg;
|
||
} catch (e) {
|
||
buffer.LE(le);
|
||
throw(e);
|
||
}
|
||
};
|
||
|
||
/**
|
||
* Decodes a varint32 length-delimited message from the specified buffer or string.
|
||
* @name ProtoBuf.Builder.Message.decodeDelimited
|
||
* @function
|
||
* @param {!ByteBuffer|!ArrayBuffer|!Buffer|string} buffer Buffer to decode from
|
||
* @param {string=} enc Encoding if buffer is a string: hex, utf8 (not recommended), defaults to base64
|
||
* @return {ProtoBuf.Builder.Message} Decoded message or `null` if not enough bytes are available yet
|
||
* @throws {Error} If the message cannot be decoded or if required fields are missing. The later still
|
||
* returns the decoded message with missing fields in the `decoded` property on the error.
|
||
* @expose
|
||
*/
|
||
Message.decodeDelimited = function(buffer, enc) {
|
||
if (typeof buffer === 'string')
|
||
buffer = ByteBuffer.wrap(buffer, enc ? enc : "base64");
|
||
buffer = buffer instanceof ByteBuffer ? buffer : ByteBuffer.wrap(buffer); // May throw
|
||
if (buffer.remaining() < 1)
|
||
return null;
|
||
var off = buffer.offset,
|
||
len = buffer.readVarint32();
|
||
if (buffer.remaining() < len) {
|
||
buffer.offset = off;
|
||
return null;
|
||
}
|
||
try {
|
||
var msg = T.decode(buffer.slice(buffer.offset, buffer.offset + len).LE());
|
||
buffer.offset += len;
|
||
return msg;
|
||
} catch (err) {
|
||
buffer.offset += len;
|
||
throw err;
|
||
}
|
||
};
|
||
|
||
/**
|
||
* Decodes the message from the specified base64 encoded string.
|
||
* @name ProtoBuf.Builder.Message.decode64
|
||
* @function
|
||
* @param {string} str String to decode from
|
||
* @return {!ProtoBuf.Builder.Message} Decoded message
|
||
* @throws {Error} If the message cannot be decoded or if required fields are missing. The later still
|
||
* returns the decoded message with missing fields in the `decoded` property on the error.
|
||
* @expose
|
||
*/
|
||
Message.decode64 = function(str) {
|
||
return Message.decode(str, "base64");
|
||
};
|
||
|
||
/**
|
||
* Decodes the message from the specified hex encoded string.
|
||
* @name ProtoBuf.Builder.Message.decodeHex
|
||
* @function
|
||
* @param {string} str String to decode from
|
||
* @return {!ProtoBuf.Builder.Message} Decoded message
|
||
* @throws {Error} If the message cannot be decoded or if required fields are missing. The later still
|
||
* returns the decoded message with missing fields in the `decoded` property on the error.
|
||
* @expose
|
||
*/
|
||
Message.decodeHex = function(str) {
|
||
return Message.decode(str, "hex");
|
||
};
|
||
|
||
// Utility
|
||
|
||
/**
|
||
* Returns a string representation of this Message.
|
||
* @name ProtoBuf.Builder.Message#toString
|
||
* @function
|
||
* @return {string} String representation as of ".Fully.Qualified.MessageName"
|
||
* @expose
|
||
*/
|
||
MessagePrototype.toString = function() {
|
||
return T.toString();
|
||
};
|
||
|
||
// Properties
|
||
|
||
/**
|
||
* Options.
|
||
* @name ProtoBuf.Builder.Message.$options
|
||
* @type {Object.<string,*>}
|
||
* @expose
|
||
*/
|
||
var $options; // cc
|
||
|
||
/**
|
||
* Reflection type.
|
||
* @name ProtoBuf.Builder.Message#$type
|
||
* @type {!ProtoBuf.Reflect.Message}
|
||
* @expose
|
||
*/
|
||
var $type; // cc
|
||
|
||
if (Object.defineProperty)
|
||
Object.defineProperty(Message, '$options', { "value": T.buildOpt() }),
|
||
Object.defineProperty(MessagePrototype, "$type", {
|
||
get: function() { return T; }
|
||
});
|
||
|
||
return Message;
|
||
|
||
})(ProtoBuf, this);
|
||
|
||
// Static enums and prototyped sub-messages / cached collections
|
||
this._fields = [];
|
||
this._fieldsById = {};
|
||
this._fieldsByName = {};
|
||
for (var i=0, k=this.children.length, child; i<k; i++) {
|
||
child = this.children[i];
|
||
if (child instanceof Enum)
|
||
clazz[child.name] = child.build();
|
||
else if (child instanceof Message)
|
||
clazz[child.name] = child.build();
|
||
else if (child instanceof Message.Field)
|
||
child.build(),
|
||
this._fields.push(child),
|
||
this._fieldsById[child.id] = child,
|
||
this._fieldsByName[child.name] = child;
|
||
else if (!(child instanceof Message.OneOf) && !(child instanceof Extension)) // Not built
|
||
throw Error("Illegal reflect child of "+this.toString(true)+": "+children[i].toString(true));
|
||
}
|
||
|
||
return this.clazz = clazz;
|
||
};
|
||
|
||
/**
|
||
* Encodes a runtime message's contents to the specified buffer.
|
||
* @param {!ProtoBuf.Builder.Message} message Runtime message to encode
|
||
* @param {ByteBuffer} buffer ByteBuffer to write to
|
||
* @param {boolean=} noVerify Whether to not verify field values, defaults to `false`
|
||
* @return {ByteBuffer} The ByteBuffer for chaining
|
||
* @throws {Error} If required fields are missing or the message cannot be encoded for another reason
|
||
* @expose
|
||
*/
|
||
MessagePrototype.encode = function(message, buffer, noVerify) {
|
||
var fieldMissing = null,
|
||
field;
|
||
for (var i=0, k=this._fields.length, val; i<k; ++i) {
|
||
field = this._fields[i];
|
||
val = message[field.name];
|
||
if (field.required && val === null) {
|
||
if (fieldMissing === null)
|
||
fieldMissing = field;
|
||
} else
|
||
field.encode(noVerify ? val : field.verifyValue(val), buffer);
|
||
}
|
||
if (fieldMissing !== null) {
|
||
var err = Error("Missing at least one required field for "+this.toString(true)+": "+fieldMissing);
|
||
err["encoded"] = buffer; // Still expose what we got
|
||
throw(err);
|
||
}
|
||
return buffer;
|
||
};
|
||
|
||
/**
|
||
* Calculates a runtime message's byte length.
|
||
* @param {!ProtoBuf.Builder.Message} message Runtime message to encode
|
||
* @returns {number} Byte length
|
||
* @throws {Error} If required fields are missing or the message cannot be calculated for another reason
|
||
* @expose
|
||
*/
|
||
MessagePrototype.calculate = function(message) {
|
||
for (var n=0, i=0, k=this._fields.length, field, val; i<k; ++i) {
|
||
field = this._fields[i];
|
||
val = message[field.name];
|
||
if (field.required && val === null)
|
||
throw Error("Missing at least one required field for "+this.toString(true)+": "+field);
|
||
else
|
||
n += field.calculate(val);
|
||
}
|
||
return n;
|
||
};
|
||
|
||
/**
|
||
* Skips all data until the end of the specified group has been reached.
|
||
* @param {number} expectedId Expected GROUPEND id
|
||
* @param {!ByteBuffer} buf ByteBuffer
|
||
* @returns {boolean} `true` if a value as been skipped, `false` if the end has been reached
|
||
* @throws {Error} If it wasn't possible to find the end of the group (buffer overrun or end tag mismatch)
|
||
* @inner
|
||
*/
|
||
function skipTillGroupEnd(expectedId, buf) {
|
||
var tag = buf.readVarint32(), // Throws on OOB
|
||
wireType = tag & 0x07,
|
||
id = tag >> 3;
|
||
switch (wireType) {
|
||
case ProtoBuf.WIRE_TYPES.VARINT:
|
||
do tag = buf.readUint8();
|
||
while ((tag & 0x80) === 0x80);
|
||
break;
|
||
case ProtoBuf.WIRE_TYPES.BITS64:
|
||
buf.offset += 8;
|
||
break;
|
||
case ProtoBuf.WIRE_TYPES.LDELIM:
|
||
tag = buf.readVarint32(); // reads the varint
|
||
buf.offset += tag; // skips n bytes
|
||
break;
|
||
case ProtoBuf.WIRE_TYPES.STARTGROUP:
|
||
skipTillGroupEnd(id, buf);
|
||
break;
|
||
case ProtoBuf.WIRE_TYPES.ENDGROUP:
|
||
if (id === expectedId)
|
||
return false;
|
||
else
|
||
throw Error("Illegal GROUPEND after unknown group: "+id+" ("+expectedId+" expected)");
|
||
case ProtoBuf.WIRE_TYPES.BITS32:
|
||
buf.offset += 4;
|
||
break;
|
||
default:
|
||
throw Error("Illegal wire type in unknown group "+expectedId+": "+wireType);
|
||
}
|
||
return true;
|
||
}
|
||
|
||
/**
|
||
* Decodes an encoded message and returns the decoded message.
|
||
* @param {ByteBuffer} buffer ByteBuffer to decode from
|
||
* @param {number=} length Message length. Defaults to decode all the available data.
|
||
* @param {number=} expectedGroupEndId Expected GROUPEND id if this is a legacy group
|
||
* @return {ProtoBuf.Builder.Message} Decoded message
|
||
* @throws {Error} If the message cannot be decoded
|
||
* @expose
|
||
*/
|
||
MessagePrototype.decode = function(buffer, length, expectedGroupEndId) {
|
||
length = typeof length === 'number' ? length : -1;
|
||
var start = buffer.offset,
|
||
msg = new (this.clazz)(),
|
||
tag, wireType, id, field;
|
||
while (buffer.offset < start+length || (length === -1 && buffer.remaining() > 0)) {
|
||
tag = buffer.readVarint32();
|
||
wireType = tag & 0x07;
|
||
id = tag >> 3;
|
||
if (wireType === ProtoBuf.WIRE_TYPES.ENDGROUP) {
|
||
if (id !== expectedGroupEndId)
|
||
throw Error("Illegal group end indicator for "+this.toString(true)+": "+id+" ("+(expectedGroupEndId ? expectedGroupEndId+" expected" : "not a group")+")");
|
||
break;
|
||
}
|
||
if (!(field = this._fieldsById[id])) {
|
||
// "messages created by your new code can be parsed by your old code: old binaries simply ignore the new field when parsing."
|
||
switch (wireType) {
|
||
case ProtoBuf.WIRE_TYPES.VARINT:
|
||
buffer.readVarint32();
|
||
break;
|
||
case ProtoBuf.WIRE_TYPES.BITS32:
|
||
buffer.offset += 4;
|
||
break;
|
||
case ProtoBuf.WIRE_TYPES.BITS64:
|
||
buffer.offset += 8;
|
||
break;
|
||
case ProtoBuf.WIRE_TYPES.LDELIM:
|
||
var len = buffer.readVarint32();
|
||
buffer.offset += len;
|
||
break;
|
||
case ProtoBuf.WIRE_TYPES.STARTGROUP:
|
||
while (skipTillGroupEnd(id, buffer)) {}
|
||
break;
|
||
default:
|
||
throw Error("Illegal wire type for unknown field "+id+" in "+this.toString(true)+"#decode: "+wireType);
|
||
}
|
||
continue;
|
||
}
|
||
if (field.repeated && !field.options["packed"])
|
||
msg[field.name].push(field.decode(wireType, buffer));
|
||
else {
|
||
msg[field.name] = field.decode(wireType, buffer);
|
||
if (field.oneof) {
|
||
if (this[field.oneof.name] !== null)
|
||
this[this[field.oneof.name]] = null;
|
||
msg[field.oneof.name] = field.name;
|
||
}
|
||
}
|
||
}
|
||
|
||
// Check if all required fields are present and set default values for optional fields that are not
|
||
for (var i=0, k=this._fields.length; i<k; ++i) {
|
||
field = this._fields[i];
|
||
if (msg[field.name] === null)
|
||
if (field.required) {
|
||
var err = Error("Missing at least one required field for "+this.toString(true)+": "+field.name);
|
||
err["decoded"] = msg; // Still expose what we got
|
||
throw(err);
|
||
} else if (field.defaultValue !== null)
|
||
msg[field.name] = field.defaultValue;
|
||
}
|
||
return msg;
|
||
};
|
||
|
||
/**
|
||
* @alias ProtoBuf.Reflect.Message
|
||
* @expose
|
||
*/
|
||
Reflect.Message = Message;
|
||
|
||
/**
|
||
* Constructs a new Message Field.
|
||
* @exports ProtoBuf.Reflect.Message.Field
|
||
* @param {!ProtoBuf.Builder} builder Builder reference
|
||
* @param {!ProtoBuf.Reflect.Message} message Message reference
|
||
* @param {string} rule Rule, one of requried, optional, repeated
|
||
* @param {string} type Data type, e.g. int32
|
||
* @param {string} name Field name
|
||
* @param {number} id Unique field id
|
||
* @param {Object.<string,*>=} options Options
|
||
* @param {!ProtoBuf.Reflect.Message.OneOf=} oneof Enclosing OneOf
|
||
* @constructor
|
||
* @extends ProtoBuf.Reflect.T
|
||
*/
|
||
var Field = function(builder, message, rule, type, name, id, options, oneof) {
|
||
T.call(this, builder, message, name);
|
||
|
||
/**
|
||
* @override
|
||
*/
|
||
this.className = "Message.Field";
|
||
|
||
/**
|
||
* Message field required flag.
|
||
* @type {boolean}
|
||
* @expose
|
||
*/
|
||
this.required = rule === "required";
|
||
|
||
/**
|
||
* Message field repeated flag.
|
||
* @type {boolean}
|
||
* @expose
|
||
*/
|
||
this.repeated = rule === "repeated";
|
||
|
||
/**
|
||
* Message field type. Type reference string if unresolved, protobuf type if resolved.
|
||
* @type {string|{name: string, wireType: number}}
|
||
* @expose
|
||
*/
|
||
this.type = type;
|
||
|
||
/**
|
||
* Resolved type reference inside the global namespace.
|
||
* @type {ProtoBuf.Reflect.T|null}
|
||
* @expose
|
||
*/
|
||
this.resolvedType = null;
|
||
|
||
/**
|
||
* Unique message field id.
|
||
* @type {number}
|
||
* @expose
|
||
*/
|
||
this.id = id;
|
||
|
||
/**
|
||
* Message field options.
|
||
* @type {!Object.<string,*>}
|
||
* @dict
|
||
* @expose
|
||
*/
|
||
this.options = options || {};
|
||
|
||
/**
|
||
* Default value.
|
||
* @type {*}
|
||
* @expose
|
||
*/
|
||
this.defaultValue = null;
|
||
|
||
/**
|
||
* Enclosing OneOf.
|
||
* @type {?ProtoBuf.Reflect.Message.OneOf}
|
||
* @expose
|
||
*/
|
||
this.oneof = oneof || null;
|
||
|
||
/**
|
||
* Original field name.
|
||
* @type {string}
|
||
* @expose
|
||
*/
|
||
this.originalName = this.name; // Used to revert camelcase transformation on naming collisions
|
||
|
||
// Convert field names to camel case notation if the override is set
|
||
if (this.builder.options['convertFieldsToCamelCase'] && !(this instanceof Message.ExtensionField))
|
||
this.name = Field._toCamelCase(this.name);
|
||
};
|
||
|
||
/**
|
||
* Converts a field name to camel case.
|
||
* @param {string} name Likely underscore notated name
|
||
* @returns {string} Camel case notated name
|
||
* @private
|
||
*/
|
||
Field._toCamelCase = function(name) {
|
||
return name.replace(/_([a-zA-Z])/g, function($0, $1) {
|
||
return $1.toUpperCase();
|
||
});
|
||
};
|
||
|
||
/**
|
||
* @alias ProtoBuf.Reflect.Message.Field.prototype
|
||
* @inner
|
||
*/
|
||
var FieldPrototype = Field.prototype = Object.create(T.prototype);
|
||
|
||
/**
|
||
* Builds the field.
|
||
* @override
|
||
* @expose
|
||
*/
|
||
FieldPrototype.build = function() {
|
||
this.defaultValue = typeof this.options['default'] !== 'undefined'
|
||
? this.verifyValue(this.options['default']) : null;
|
||
};
|
||
|
||
/**
|
||
* Makes a Long from a value.
|
||
* @param {{low: number, high: number, unsigned: boolean}|string|number} value Value
|
||
* @param {boolean=} unsigned Whether unsigned or not, defaults to reuse it from Long-like objects or to signed for
|
||
* strings and numbers
|
||
* @returns {!Long}
|
||
* @throws {Error} If the value cannot be converted to a Long
|
||
* @inner
|
||
*/
|
||
function mkLong(value, unsigned) {
|
||
if (value && typeof value.low === 'number' && typeof value.high === 'number' && typeof value.unsigned === 'boolean'
|
||
&& value.low === value.low && value.high === value.high)
|
||
return new ProtoBuf.Long(value.low, value.high, typeof unsigned === 'undefined' ? value.unsigned : unsigned);
|
||
if (typeof value === 'string')
|
||
return ProtoBuf.Long.fromString(value, unsigned || false, 10);
|
||
if (typeof value === 'number')
|
||
return ProtoBuf.Long.fromNumber(value, unsigned || false);
|
||
throw Error("not convertible to Long");
|
||
}
|
||
|
||
/**
|
||
* Checks if the given value can be set for this field.
|
||
* @param {*} value Value to check
|
||
* @param {boolean=} skipRepeated Whether to skip the repeated value check or not. Defaults to false.
|
||
* @return {*} Verified, maybe adjusted, value
|
||
* @throws {Error} If the value cannot be set for this field
|
||
* @expose
|
||
*/
|
||
FieldPrototype.verifyValue = function(value, skipRepeated) {
|
||
skipRepeated = skipRepeated || false;
|
||
var fail = function(val, msg) {
|
||
throw Error("Illegal value for "+this.toString(true)+" of type "+this.type.name+": "+val+" ("+msg+")");
|
||
}.bind(this);
|
||
if (value === null) { // NULL values for optional fields
|
||
if (this.required)
|
||
fail(typeof value, "required");
|
||
return null;
|
||
}
|
||
var i;
|
||
if (this.repeated && !skipRepeated) { // Repeated values as arrays
|
||
if (!ProtoBuf.Util.isArray(value))
|
||
value = [value];
|
||
var res = [];
|
||
for (i=0; i<value.length; i++)
|
||
res.push(this.verifyValue(value[i], true));
|
||
return res;
|
||
}
|
||
// All non-repeated fields expect no array
|
||
if (!this.repeated && ProtoBuf.Util.isArray(value))
|
||
fail(typeof value, "no array expected");
|
||
|
||
switch (this.type) {
|
||
// Signed 32bit
|
||
case ProtoBuf.TYPES["int32"]:
|
||
case ProtoBuf.TYPES["sint32"]:
|
||
case ProtoBuf.TYPES["sfixed32"]:
|
||
// Account for !NaN: value === value
|
||
if (typeof value !== 'number' || (value === value && value % 1 !== 0))
|
||
fail(typeof value, "not an integer");
|
||
return value > 4294967295 ? value | 0 : value;
|
||
|
||
// Unsigned 32bit
|
||
case ProtoBuf.TYPES["uint32"]:
|
||
case ProtoBuf.TYPES["fixed32"]:
|
||
if (typeof value !== 'number' || (value === value && value % 1 !== 0))
|
||
fail(typeof value, "not an integer");
|
||
return value < 0 ? value >>> 0 : value;
|
||
|
||
// Signed 64bit
|
||
case ProtoBuf.TYPES["int64"]:
|
||
case ProtoBuf.TYPES["sint64"]:
|
||
case ProtoBuf.TYPES["sfixed64"]: {
|
||
if (ProtoBuf.Long)
|
||
try {
|
||
return mkLong(value, false);
|
||
} catch (e) {
|
||
fail(typeof value, e.message);
|
||
}
|
||
else
|
||
fail(typeof value, "requires Long.js");
|
||
}
|
||
|
||
// Unsigned 64bit
|
||
case ProtoBuf.TYPES["uint64"]:
|
||
case ProtoBuf.TYPES["fixed64"]: {
|
||
if (ProtoBuf.Long)
|
||
try {
|
||
return mkLong(value, true);
|
||
} catch (e) {
|
||
fail(typeof value, e.message);
|
||
}
|
||
else
|
||
fail(typeof value, "requires Long.js");
|
||
}
|
||
|
||
// Bool
|
||
case ProtoBuf.TYPES["bool"]:
|
||
if (typeof value !== 'boolean')
|
||
fail(typeof value, "not a boolean");
|
||
return value;
|
||
|
||
// Float
|
||
case ProtoBuf.TYPES["float"]:
|
||
case ProtoBuf.TYPES["double"]:
|
||
if (typeof value !== 'number')
|
||
fail(typeof value, "not a number");
|
||
return value;
|
||
|
||
// Length-delimited string
|
||
case ProtoBuf.TYPES["string"]:
|
||
if (typeof value !== 'string' && !(value && value instanceof String))
|
||
fail(typeof value, "not a string");
|
||
return ""+value; // Convert String object to string
|
||
|
||
// Length-delimited bytes
|
||
case ProtoBuf.TYPES["bytes"]:
|
||
if (ByteBuffer.isByteBuffer(value))
|
||
return value;
|
||
return ByteBuffer.wrap(value, "base64");
|
||
|
||
// Constant enum value
|
||
case ProtoBuf.TYPES["enum"]: {
|
||
var values = this.resolvedType.getChildren(Enum.Value);
|
||
for (i=0; i<values.length; i++)
|
||
if (values[i].name == value)
|
||
return values[i].id;
|
||
else if (values[i].id == value)
|
||
return values[i].id;
|
||
fail(value, "not a valid enum value");
|
||
}
|
||
// Embedded message
|
||
case ProtoBuf.TYPES["group"]:
|
||
case ProtoBuf.TYPES["message"]: {
|
||
if (!value || typeof value !== 'object')
|
||
fail(typeof value, "object expected");
|
||
if (value instanceof this.resolvedType.clazz)
|
||
return value;
|
||
if (value instanceof ProtoBuf.Builder.Message) {
|
||
// Mismatched type: Convert to object (see: https://github.com/dcodeIO/ProtoBuf.js/issues/180)
|
||
var obj = {};
|
||
for (var i in value)
|
||
if (value.hasOwnProperty(i))
|
||
obj[i] = value[i];
|
||
value = obj;
|
||
}
|
||
// Else let's try to construct one from a key-value object
|
||
return new (this.resolvedType.clazz)(value); // May throw for a hundred of reasons
|
||
}
|
||
}
|
||
|
||
// We should never end here
|
||
throw Error("[INTERNAL] Illegal value for "+this.toString(true)+": "+value+" (undefined type "+this.type+")");
|
||
};
|
||
|
||
/**
|
||
* Encodes the specified field value to the specified buffer.
|
||
* @param {*} value Verified field value
|
||
* @param {ByteBuffer} buffer ByteBuffer to encode to
|
||
* @return {ByteBuffer} The ByteBuffer for chaining
|
||
* @throws {Error} If the field cannot be encoded
|
||
* @expose
|
||
*/
|
||
FieldPrototype.encode = function(value, buffer) {
|
||
if (this.type === null || typeof this.type !== 'object')
|
||
throw Error("[INTERNAL] Unresolved type in "+this.toString(true)+": "+this.type);
|
||
if (value === null || (this.repeated && value.length == 0))
|
||
return buffer; // Optional omitted
|
||
try {
|
||
if (this.repeated) {
|
||
var i;
|
||
// "Only repeated fields of primitive numeric types (types which use the varint, 32-bit, or 64-bit wire
|
||
// types) can be declared 'packed'."
|
||
if (this.options["packed"] && ProtoBuf.PACKABLE_WIRE_TYPES.indexOf(this.type.wireType) >= 0) {
|
||
// "All of the elements of the field are packed into a single key-value pair with wire type 2
|
||
// (length-delimited). Each element is encoded the same way it would be normally, except without a
|
||
// tag preceding it."
|
||
buffer.writeVarint32((this.id << 3) | ProtoBuf.WIRE_TYPES.LDELIM);
|
||
buffer.ensureCapacity(buffer.offset += 1); // We do not know the length yet, so let's assume a varint of length 1
|
||
var start = buffer.offset; // Remember where the contents begin
|
||
for (i=0; i<value.length; i++)
|
||
this.encodeValue(value[i], buffer);
|
||
var len = buffer.offset-start,
|
||
varintLen = ByteBuffer.calculateVarint32(len);
|
||
if (varintLen > 1) { // We need to move the contents
|
||
var contents = buffer.slice(start, buffer.offset);
|
||
start += varintLen-1;
|
||
buffer.offset = start;
|
||
buffer.append(contents);
|
||
}
|
||
buffer.writeVarint32(len, start-varintLen);
|
||
} else {
|
||
// "If your message definition has repeated elements (without the [packed=true] option), the encoded
|
||
// message has zero or more key-value pairs with the same tag number"
|
||
for (i=0; i<value.length; i++)
|
||
buffer.writeVarint32((this.id << 3) | this.type.wireType),
|
||
this.encodeValue(value[i], buffer);
|
||
}
|
||
} else
|
||
buffer.writeVarint32((this.id << 3) | this.type.wireType),
|
||
this.encodeValue(value, buffer);
|
||
} catch (e) {
|
||
throw Error("Illegal value for "+this.toString(true)+": "+value+" ("+e+")");
|
||
}
|
||
return buffer;
|
||
};
|
||
|
||
/**
|
||
* Encodes a value to the specified buffer. Does not encode the key.
|
||
* @param {*} value Field value
|
||
* @param {ByteBuffer} buffer ByteBuffer to encode to
|
||
* @return {ByteBuffer} The ByteBuffer for chaining
|
||
* @throws {Error} If the value cannot be encoded
|
||
* @expose
|
||
*/
|
||
FieldPrototype.encodeValue = function(value, buffer) {
|
||
if (value === null) return buffer; // Nothing to encode
|
||
// Tag has already been written
|
||
|
||
switch (this.type) {
|
||
// 32bit signed varint
|
||
case ProtoBuf.TYPES["int32"]:
|
||
// "If you use int32 or int64 as the type for a negative number, the resulting varint is always ten bytes
|
||
// long – it is, effectively, treated like a very large unsigned integer." (see #122)
|
||
if (value < 0)
|
||
buffer.writeVarint64(value);
|
||
else
|
||
buffer.writeVarint32(value);
|
||
break;
|
||
|
||
// 32bit unsigned varint
|
||
case ProtoBuf.TYPES["uint32"]:
|
||
buffer.writeVarint32(value);
|
||
break;
|
||
|
||
// 32bit varint zig-zag
|
||
case ProtoBuf.TYPES["sint32"]:
|
||
buffer.writeVarint32ZigZag(value);
|
||
break;
|
||
|
||
// Fixed unsigned 32bit
|
||
case ProtoBuf.TYPES["fixed32"]:
|
||
buffer.writeUint32(value);
|
||
break;
|
||
|
||
// Fixed signed 32bit
|
||
case ProtoBuf.TYPES["sfixed32"]:
|
||
buffer.writeInt32(value);
|
||
break;
|
||
|
||
// 64bit varint as-is
|
||
case ProtoBuf.TYPES["int64"]:
|
||
case ProtoBuf.TYPES["uint64"]:
|
||
buffer.writeVarint64(value); // throws
|
||
break;
|
||
|
||
// 64bit varint zig-zag
|
||
case ProtoBuf.TYPES["sint64"]:
|
||
buffer.writeVarint64ZigZag(value); // throws
|
||
break;
|
||
|
||
// Fixed unsigned 64bit
|
||
case ProtoBuf.TYPES["fixed64"]:
|
||
buffer.writeUint64(value); // throws
|
||
break;
|
||
|
||
// Fixed signed 64bit
|
||
case ProtoBuf.TYPES["sfixed64"]:
|
||
buffer.writeInt64(value); // throws
|
||
break;
|
||
|
||
// Bool
|
||
case ProtoBuf.TYPES["bool"]:
|
||
if (typeof value === 'string')
|
||
buffer.writeVarint32(value.toLowerCase() === 'false' ? 0 : !!value);
|
||
else
|
||
buffer.writeVarint32(value ? 1 : 0);
|
||
break;
|
||
|
||
// Constant enum value
|
||
case ProtoBuf.TYPES["enum"]:
|
||
buffer.writeVarint32(value);
|
||
break;
|
||
|
||
// 32bit float
|
||
case ProtoBuf.TYPES["float"]:
|
||
buffer.writeFloat32(value);
|
||
break;
|
||
|
||
// 64bit float
|
||
case ProtoBuf.TYPES["double"]:
|
||
buffer.writeFloat64(value);
|
||
break;
|
||
|
||
// Length-delimited string
|
||
case ProtoBuf.TYPES["string"]:
|
||
buffer.writeVString(value);
|
||
break;
|
||
|
||
// Length-delimited bytes
|
||
case ProtoBuf.TYPES["bytes"]:
|
||
if (value.remaining() < 0)
|
||
throw Error("Illegal value for "+this.toString(true)+": "+value.remaining()+" bytes remaining");
|
||
var prevOffset = value.offset;
|
||
buffer.writeVarint32(value.remaining());
|
||
buffer.append(value);
|
||
value.offset = prevOffset;
|
||
break;
|
||
|
||
// Embedded message
|
||
case ProtoBuf.TYPES["message"]:
|
||
var bb = new ByteBuffer().LE();
|
||
this.resolvedType.encode(value, bb);
|
||
buffer.writeVarint32(bb.offset);
|
||
buffer.append(bb.flip());
|
||
break;
|
||
|
||
// Legacy group
|
||
case ProtoBuf.TYPES["group"]:
|
||
this.resolvedType.encode(value, buffer);
|
||
buffer.writeVarint32((this.id << 3) | ProtoBuf.WIRE_TYPES.ENDGROUP);
|
||
break;
|
||
|
||
default:
|
||
// We should never end here
|
||
throw Error("[INTERNAL] Illegal value to encode in "+this.toString(true)+": "+value+" (unknown type)");
|
||
}
|
||
return buffer;
|
||
};
|
||
|
||
/**
|
||
* Calculates the length of this field's value on the network level.
|
||
* @param {*} value Field value
|
||
* @returns {number} Byte length
|
||
* @expose
|
||
*/
|
||
FieldPrototype.calculate = function(value) {
|
||
value = this.verifyValue(value); // May throw
|
||
if (this.type === null || typeof this.type !== 'object')
|
||
throw Error("[INTERNAL] Unresolved type in "+this.toString(true)+": "+this.type);
|
||
if (value === null || (this.repeated && value.length == 0))
|
||
return 0; // Optional omitted
|
||
var n = 0;
|
||
try {
|
||
if (this.repeated) {
|
||
var i, ni;
|
||
if (this.options["packed"] && ProtoBuf.PACKABLE_WIRE_TYPES.indexOf(this.type.wireType) >= 0) {
|
||
n += ByteBuffer.calculateVarint32((this.id << 3) | ProtoBuf.WIRE_TYPES.LDELIM);
|
||
ni = 0;
|
||
for (i=0; i<value.length; i++)
|
||
ni += this.calculateValue(value[i]);
|
||
n += ByteBuffer.calculateVarint32(ni);
|
||
n += ni;
|
||
} else {
|
||
for (i=0; i<value.length; i++)
|
||
n += ByteBuffer.calculateVarint32((this.id << 3) | this.type.wireType),
|
||
n += this.calculateValue(value[i]);
|
||
}
|
||
} else {
|
||
n += ByteBuffer.calculateVarint32((this.id << 3) | this.type.wireType);
|
||
n += this.calculateValue(value);
|
||
}
|
||
} catch (e) {
|
||
throw Error("Illegal value for "+this.toString(true)+": "+value+" ("+e+")");
|
||
}
|
||
return n;
|
||
};
|
||
|
||
/**
|
||
* Calculates the byte length of a value.
|
||
* @param {*} value Field value
|
||
* @returns {number} Byte length
|
||
* @throws {Error} If the value cannot be calculated
|
||
* @expose
|
||
*/
|
||
FieldPrototype.calculateValue = function(value) {
|
||
if (value === null) return 0; // Nothing to encode
|
||
// Tag has already been written
|
||
var n;
|
||
switch (this.type) {
|
||
case ProtoBuf.TYPES["int32"]:
|
||
return value < 0 ? ByteBuffer.calculateVarint64(value) : ByteBuffer.calculateVarint32(value);
|
||
case ProtoBuf.TYPES["uint32"]:
|
||
return ByteBuffer.calculateVarint32(value);
|
||
case ProtoBuf.TYPES["sint32"]:
|
||
return ByteBuffer.calculateVarint32(ByteBuffer.zigZagEncode32(value));
|
||
case ProtoBuf.TYPES["fixed32"]:
|
||
case ProtoBuf.TYPES["sfixed32"]:
|
||
case ProtoBuf.TYPES["float"]:
|
||
return 4;
|
||
case ProtoBuf.TYPES["int64"]:
|
||
case ProtoBuf.TYPES["uint64"]:
|
||
return ByteBuffer.calculateVarint64(value);
|
||
case ProtoBuf.TYPES["sint64"]:
|
||
return ByteBuffer.calculateVarint64(ByteBuffer.zigZagEncode64(value));
|
||
case ProtoBuf.TYPES["fixed64"]:
|
||
case ProtoBuf.TYPES["sfixed64"]:
|
||
return 8;
|
||
case ProtoBuf.TYPES["bool"]:
|
||
return 1;
|
||
case ProtoBuf.TYPES["enum"]:
|
||
return ByteBuffer.calculateVarint32(value);
|
||
case ProtoBuf.TYPES["double"]:
|
||
return 8;
|
||
case ProtoBuf.TYPES["string"]:
|
||
n = ByteBuffer.calculateUTF8Bytes(value);
|
||
return ByteBuffer.calculateVarint32(n) + n;
|
||
case ProtoBuf.TYPES["bytes"]:
|
||
if (value.remaining() < 0)
|
||
throw Error("Illegal value for "+this.toString(true)+": "+value.remaining()+" bytes remaining");
|
||
return ByteBuffer.calculateVarint32(value.remaining()) + value.remaining();
|
||
case ProtoBuf.TYPES["message"]:
|
||
n = this.resolvedType.calculate(value);
|
||
return ByteBuffer.calculateVarint32(n) + n;
|
||
case ProtoBuf.TYPES["group"]:
|
||
n = this.resolvedType.calculate(value);
|
||
return n + ByteBuffer.calculateVarint32((this.id << 3) | ProtoBuf.WIRE_TYPES.ENDGROUP);
|
||
}
|
||
// We should never end here
|
||
throw Error("[INTERNAL] Illegal value to encode in "+this.toString(true)+": "+value+" (unknown type)");
|
||
};
|
||
|
||
/**
|
||
* Decode the field value from the specified buffer.
|
||
* @param {number} wireType Leading wire type
|
||
* @param {ByteBuffer} buffer ByteBuffer to decode from
|
||
* @param {boolean=} skipRepeated Whether to skip the repeated check or not. Defaults to false.
|
||
* @return {*} Decoded value
|
||
* @throws {Error} If the field cannot be decoded
|
||
* @expose
|
||
*/
|
||
FieldPrototype.decode = function(wireType, buffer, skipRepeated) {
|
||
var value, nBytes;
|
||
if (wireType != this.type.wireType && (skipRepeated || (wireType != ProtoBuf.WIRE_TYPES.LDELIM || !this.repeated)))
|
||
throw Error("Illegal wire type for field "+this.toString(true)+": "+wireType+" ("+this.type.wireType+" expected)");
|
||
if (wireType == ProtoBuf.WIRE_TYPES.LDELIM && this.repeated && this.options["packed"] && ProtoBuf.PACKABLE_WIRE_TYPES.indexOf(this.type.wireType) >= 0) {
|
||
if (!skipRepeated) {
|
||
nBytes = buffer.readVarint32();
|
||
nBytes = buffer.offset + nBytes; // Limit
|
||
var values = [];
|
||
while (buffer.offset < nBytes)
|
||
values.push(this.decode(this.type.wireType, buffer, true));
|
||
return values;
|
||
}
|
||
// Read the next value otherwise...
|
||
}
|
||
switch (this.type) {
|
||
// 32bit signed varint
|
||
case ProtoBuf.TYPES["int32"]:
|
||
return buffer.readVarint32() | 0;
|
||
|
||
// 32bit unsigned varint
|
||
case ProtoBuf.TYPES["uint32"]:
|
||
return buffer.readVarint32() >>> 0;
|
||
|
||
// 32bit signed varint zig-zag
|
||
case ProtoBuf.TYPES["sint32"]:
|
||
return buffer.readVarint32ZigZag() | 0;
|
||
|
||
// Fixed 32bit unsigned
|
||
case ProtoBuf.TYPES["fixed32"]:
|
||
return buffer.readUint32() >>> 0;
|
||
|
||
case ProtoBuf.TYPES["sfixed32"]:
|
||
return buffer.readInt32() | 0;
|
||
|
||
// 64bit signed varint
|
||
case ProtoBuf.TYPES["int64"]:
|
||
return buffer.readVarint64();
|
||
|
||
// 64bit unsigned varint
|
||
case ProtoBuf.TYPES["uint64"]:
|
||
return buffer.readVarint64().toUnsigned();
|
||
|
||
// 64bit signed varint zig-zag
|
||
case ProtoBuf.TYPES["sint64"]:
|
||
return buffer.readVarint64ZigZag();
|
||
|
||
// Fixed 64bit unsigned
|
||
case ProtoBuf.TYPES["fixed64"]:
|
||
return buffer.readUint64();
|
||
|
||
// Fixed 64bit signed
|
||
case ProtoBuf.TYPES["sfixed64"]:
|
||
return buffer.readInt64();
|
||
|
||
// Bool varint
|
||
case ProtoBuf.TYPES["bool"]:
|
||
return !!buffer.readVarint32();
|
||
|
||
// Constant enum value (varint)
|
||
case ProtoBuf.TYPES["enum"]:
|
||
// The following Builder.Message#set will already throw
|
||
return buffer.readVarint32();
|
||
|
||
// 32bit float
|
||
case ProtoBuf.TYPES["float"]:
|
||
return buffer.readFloat();
|
||
|
||
// 64bit float
|
||
case ProtoBuf.TYPES["double"]:
|
||
return buffer.readDouble();
|
||
|
||
// Length-delimited string
|
||
case ProtoBuf.TYPES["string"]:
|
||
return buffer.readVString();
|
||
|
||
// Length-delimited bytes
|
||
case ProtoBuf.TYPES["bytes"]: {
|
||
nBytes = buffer.readVarint32();
|
||
if (buffer.remaining() < nBytes)
|
||
throw Error("Illegal number of bytes for "+this.toString(true)+": "+nBytes+" required but got only "+buffer.remaining());
|
||
value = buffer.clone(); // Offset already set
|
||
value.limit = value.offset+nBytes;
|
||
buffer.offset += nBytes;
|
||
return value;
|
||
}
|
||
|
||
// Length-delimited embedded message
|
||
case ProtoBuf.TYPES["message"]: {
|
||
nBytes = buffer.readVarint32();
|
||
return this.resolvedType.decode(buffer, nBytes);
|
||
}
|
||
|
||
// Legacy group
|
||
case ProtoBuf.TYPES["group"]:
|
||
return this.resolvedType.decode(buffer, -1, this.id);
|
||
}
|
||
|
||
// We should never end here
|
||
throw Error("[INTERNAL] Illegal wire type for "+this.toString(true)+": "+wireType);
|
||
};
|
||
|
||
/**
|
||
* @alias ProtoBuf.Reflect.Message.Field
|
||
* @expose
|
||
*/
|
||
Reflect.Message.Field = Field;
|
||
|
||
/**
|
||
* Constructs a new Message ExtensionField.
|
||
* @exports ProtoBuf.Reflect.Message.ExtensionField
|
||
* @param {!ProtoBuf.Builder} builder Builder reference
|
||
* @param {!ProtoBuf.Reflect.Message} message Message reference
|
||
* @param {string} rule Rule, one of requried, optional, repeated
|
||
* @param {string} type Data type, e.g. int32
|
||
* @param {string} name Field name
|
||
* @param {number} id Unique field id
|
||
* @param {Object.<string,*>=} options Options
|
||
* @constructor
|
||
* @extends ProtoBuf.Reflect.Message.Field
|
||
*/
|
||
var ExtensionField = function(builder, message, rule, type, name, id, options) {
|
||
Field.call(this, builder, message, rule, type, name, id, options);
|
||
|
||
/**
|
||
* Extension reference.
|
||
* @type {!ProtoBuf.Reflect.Extension}
|
||
* @expose
|
||
*/
|
||
this.extension;
|
||
};
|
||
|
||
// Extends Field
|
||
ExtensionField.prototype = Object.create(Field.prototype);
|
||
|
||
/**
|
||
* @alias ProtoBuf.Reflect.Message.ExtensionField
|
||
* @expose
|
||
*/
|
||
Reflect.Message.ExtensionField = ExtensionField;
|
||
|
||
/**
|
||
* Constructs a new Message OneOf.
|
||
* @exports ProtoBuf.Reflect.Message.OneOf
|
||
* @param {!ProtoBuf.Builder} builder Builder reference
|
||
* @param {!ProtoBuf.Reflect.Message} message Message reference
|
||
* @param {string} name OneOf name
|
||
* @constructor
|
||
* @extends ProtoBuf.Reflect.T
|
||
*/
|
||
var OneOf = function(builder, message, name) {
|
||
T.call(this, builder, message, name);
|
||
|
||
/**
|
||
* Enclosed fields.
|
||
* @type {!Array.<!ProtoBuf.Reflect.Message.Field>}
|
||
* @expose
|
||
*/
|
||
this.fields = [];
|
||
};
|
||
|
||
/**
|
||
* @alias ProtoBuf.Reflect.Message.OneOf
|
||
* @expose
|
||
*/
|
||
Reflect.Message.OneOf = OneOf;
|
||
|
||
/**
|
||
* Constructs a new Enum.
|
||
* @exports ProtoBuf.Reflect.Enum
|
||
* @param {!ProtoBuf.Builder} builder Builder reference
|
||
* @param {!ProtoBuf.Reflect.T} parent Parent Reflect object
|
||
* @param {string} name Enum name
|
||
* @param {Object.<string,*>=} options Enum options
|
||
* @constructor
|
||
* @extends ProtoBuf.Reflect.Namespace
|
||
*/
|
||
var Enum = function(builder, parent, name, options) {
|
||
Namespace.call(this, builder, parent, name, options);
|
||
|
||
/**
|
||
* @override
|
||
*/
|
||
this.className = "Enum";
|
||
|
||
/**
|
||
* Runtime enum object.
|
||
* @type {Object.<string,number>|null}
|
||
* @expose
|
||
*/
|
||
this.object = null;
|
||
};
|
||
|
||
/**
|
||
* @alias ProtoBuf.Reflect.Enum.prototype
|
||
* @inner
|
||
*/
|
||
var EnumPrototype = Enum.prototype = Object.create(Namespace.prototype);
|
||
|
||
/**
|
||
* Builds this enum and returns the runtime counterpart.
|
||
* @return {Object<string,*>}
|
||
* @expose
|
||
*/
|
||
EnumPrototype.build = function() {
|
||
var enm = {},
|
||
values = this.getChildren(Enum.Value);
|
||
for (var i=0, k=values.length; i<k; ++i)
|
||
enm[values[i]['name']] = values[i]['id'];
|
||
if (Object.defineProperty)
|
||
Object.defineProperty(enm, '$options', { "value": this.buildOpt() });
|
||
return this.object = enm;
|
||
};
|
||
|
||
/**
|
||
* @alias ProtoBuf.Reflect.Enum
|
||
* @expose
|
||
*/
|
||
Reflect.Enum = Enum;
|
||
|
||
/**
|
||
* Constructs a new Enum Value.
|
||
* @exports ProtoBuf.Reflect.Enum.Value
|
||
* @param {!ProtoBuf.Builder} builder Builder reference
|
||
* @param {!ProtoBuf.Reflect.Enum} enm Enum reference
|
||
* @param {string} name Field name
|
||
* @param {number} id Unique field id
|
||
* @constructor
|
||
* @extends ProtoBuf.Reflect.T
|
||
*/
|
||
var Value = function(builder, enm, name, id) {
|
||
T.call(this, builder, enm, name);
|
||
|
||
/**
|
||
* @override
|
||
*/
|
||
this.className = "Enum.Value";
|
||
|
||
/**
|
||
* Unique enum value id.
|
||
* @type {number}
|
||
* @expose
|
||
*/
|
||
this.id = id;
|
||
};
|
||
|
||
// Extends T
|
||
Value.prototype = Object.create(T.prototype);
|
||
|
||
/**
|
||
* @alias ProtoBuf.Reflect.Enum.Value
|
||
* @expose
|
||
*/
|
||
Reflect.Enum.Value = Value;
|
||
|
||
/**
|
||
* An extension (field).
|
||
* @exports ProtoBuf.Reflect.Extension
|
||
* @constructor
|
||
* @param {!ProtoBuf.Builder} builder Builder reference
|
||
* @param {!ProtoBuf.Reflect.T} parent Parent object
|
||
* @param {string} name Object name
|
||
* @param {!ProtoBuf.Reflect.Message.Field} field Extension field
|
||
*/
|
||
var Extension = function(builder, parent, name, field) {
|
||
T.call(this, builder, parent, name);
|
||
|
||
/**
|
||
* Extended message field.
|
||
* @type {!ProtoBuf.Reflect.Message.Field}
|
||
* @expose
|
||
*/
|
||
this.field = field;
|
||
};
|
||
|
||
// Extends T
|
||
Extension.prototype = Object.create(T.prototype);
|
||
|
||
/**
|
||
* @alias ProtoBuf.Reflect.Extension
|
||
* @expose
|
||
*/
|
||
Reflect.Extension = Extension;
|
||
|
||
/**
|
||
* Constructs a new Service.
|
||
* @exports ProtoBuf.Reflect.Service
|
||
* @param {!ProtoBuf.Builder} builder Builder reference
|
||
* @param {!ProtoBuf.Reflect.Namespace} root Root
|
||
* @param {string} name Service name
|
||
* @param {Object.<string,*>=} options Options
|
||
* @constructor
|
||
* @extends ProtoBuf.Reflect.Namespace
|
||
*/
|
||
var Service = function(builder, root, name, options) {
|
||
Namespace.call(this, builder, root, name, options);
|
||
|
||
/**
|
||
* @override
|
||
*/
|
||
this.className = "Service";
|
||
|
||
/**
|
||
* Built runtime service class.
|
||
* @type {?function(new:ProtoBuf.Builder.Service)}
|
||
*/
|
||
this.clazz = null;
|
||
};
|
||
|
||
/**
|
||
* @alias ProtoBuf.Reflect.Service.prototype
|
||
* @inner
|
||
*/
|
||
var ServicePrototype = Service.prototype = Object.create(Namespace.prototype);
|
||
|
||
/**
|
||
* Builds the service and returns the runtime counterpart, which is a fully functional class.
|
||
* @see ProtoBuf.Builder.Service
|
||
* @param {boolean=} rebuild Whether to rebuild or not
|
||
* @return {Function} Service class
|
||
* @throws {Error} If the message cannot be built
|
||
* @expose
|
||
*/
|
||
ServicePrototype.build = function(rebuild) {
|
||
if (this.clazz && !rebuild)
|
||
return this.clazz;
|
||
|
||
// Create the runtime Service class in its own scope
|
||
return this.clazz = (function(ProtoBuf, T) {
|
||
|
||
/**
|
||
* Constructs a new runtime Service.
|
||
* @name ProtoBuf.Builder.Service
|
||
* @param {function(string, ProtoBuf.Builder.Message, function(Error, ProtoBuf.Builder.Message=))=} rpcImpl RPC implementation receiving the method name and the message
|
||
* @class Barebone of all runtime services.
|
||
* @constructor
|
||
* @throws {Error} If the service cannot be created
|
||
*/
|
||
var Service = function(rpcImpl) {
|
||
ProtoBuf.Builder.Service.call(this);
|
||
|
||
/**
|
||
* Service implementation.
|
||
* @name ProtoBuf.Builder.Service#rpcImpl
|
||
* @type {!function(string, ProtoBuf.Builder.Message, function(Error, ProtoBuf.Builder.Message=))}
|
||
* @expose
|
||
*/
|
||
this.rpcImpl = rpcImpl || function(name, msg, callback) {
|
||
// This is what a user has to implement: A function receiving the method name, the actual message to
|
||
// send (type checked) and the callback that's either provided with the error as its first
|
||
// argument or null and the actual response message.
|
||
setTimeout(callback.bind(this, Error("Not implemented, see: https://github.com/dcodeIO/ProtoBuf.js/wiki/Services")), 0); // Must be async!
|
||
};
|
||
};
|
||
|
||
/**
|
||
* @alias ProtoBuf.Builder.Service.prototype
|
||
* @inner
|
||
*/
|
||
var ServicePrototype = Service.prototype = Object.create(ProtoBuf.Builder.Service.prototype);
|
||
|
||
if (Object.defineProperty)
|
||
Object.defineProperty(Service, "$options", { "value": T.buildOpt() }),
|
||
Object.defineProperty(ServicePrototype, "$options", { "value": Service["$options"] });
|
||
|
||
/**
|
||
* Asynchronously performs an RPC call using the given RPC implementation.
|
||
* @name ProtoBuf.Builder.Service.[Method]
|
||
* @function
|
||
* @param {!function(string, ProtoBuf.Builder.Message, function(Error, ProtoBuf.Builder.Message=))} rpcImpl RPC implementation
|
||
* @param {ProtoBuf.Builder.Message} req Request
|
||
* @param {function(Error, (ProtoBuf.Builder.Message|ByteBuffer|Buffer|string)=)} callback Callback receiving
|
||
* the error if any and the response either as a pre-parsed message or as its raw bytes
|
||
* @abstract
|
||
*/
|
||
|
||
/**
|
||
* Asynchronously performs an RPC call using the instance's RPC implementation.
|
||
* @name ProtoBuf.Builder.Service#[Method]
|
||
* @function
|
||
* @param {ProtoBuf.Builder.Message} req Request
|
||
* @param {function(Error, (ProtoBuf.Builder.Message|ByteBuffer|Buffer|string)=)} callback Callback receiving
|
||
* the error if any and the response either as a pre-parsed message or as its raw bytes
|
||
* @abstract
|
||
*/
|
||
|
||
var rpc = T.getChildren(ProtoBuf.Reflect.Service.RPCMethod);
|
||
for (var i=0; i<rpc.length; i++) {
|
||
(function(method) {
|
||
|
||
// service#Method(message, callback)
|
||
ServicePrototype[method.name] = function(req, callback) {
|
||
try {
|
||
if (!req || !(req instanceof method.resolvedRequestType.clazz)) {
|
||
setTimeout(callback.bind(this, Error("Illegal request type provided to service method "+T.name+"#"+method.name)), 0);
|
||
return;
|
||
}
|
||
this.rpcImpl(method.fqn(), req, function(err, res) { // Assumes that this is properly async
|
||
if (err) {
|
||
callback(err);
|
||
return;
|
||
}
|
||
try { res = method.resolvedResponseType.clazz.decode(res); } catch (notABuffer) {}
|
||
if (!res || !(res instanceof method.resolvedResponseType.clazz)) {
|
||
callback(Error("Illegal response type received in service method "+ T.name+"#"+method.name));
|
||
return;
|
||
}
|
||
callback(null, res);
|
||
});
|
||
} catch (err) {
|
||
setTimeout(callback.bind(this, err), 0);
|
||
}
|
||
};
|
||
|
||
// Service.Method(rpcImpl, message, callback)
|
||
Service[method.name] = function(rpcImpl, req, callback) {
|
||
new Service(rpcImpl)[method.name](req, callback);
|
||
};
|
||
|
||
if (Object.defineProperty)
|
||
Object.defineProperty(Service[method.name], "$options", { "value": method.buildOpt() }),
|
||
Object.defineProperty(ServicePrototype[method.name], "$options", { "value": Service[method.name]["$options"] });
|
||
})(rpc[i]);
|
||
}
|
||
|
||
return Service;
|
||
|
||
})(ProtoBuf, this);
|
||
};
|
||
|
||
/**
|
||
* @alias ProtoBuf.Reflect.Service
|
||
* @expose
|
||
*/
|
||
Reflect.Service = Service;
|
||
|
||
/**
|
||
* Abstract service method.
|
||
* @exports ProtoBuf.Reflect.Service.Method
|
||
* @param {!ProtoBuf.Builder} builder Builder reference
|
||
* @param {!ProtoBuf.Reflect.Service} svc Service
|
||
* @param {string} name Method name
|
||
* @param {Object.<string,*>=} options Options
|
||
* @constructor
|
||
* @extends ProtoBuf.Reflect.T
|
||
*/
|
||
var Method = function(builder, svc, name, options) {
|
||
T.call(this, builder, svc, name);
|
||
|
||
/**
|
||
* @override
|
||
*/
|
||
this.className = "Service.Method";
|
||
|
||
/**
|
||
* Options.
|
||
* @type {Object.<string, *>}
|
||
* @expose
|
||
*/
|
||
this.options = options || {};
|
||
};
|
||
|
||
/**
|
||
* @alias ProtoBuf.Reflect.Service.Method.prototype
|
||
* @inner
|
||
*/
|
||
var MethodPrototype = Method.prototype = Object.create(T.prototype);
|
||
|
||
/**
|
||
* Builds the method's '$options' property.
|
||
* @name ProtoBuf.Reflect.Service.Method#buildOpt
|
||
* @function
|
||
* @return {Object.<string,*>}
|
||
*/
|
||
MethodPrototype.buildOpt = NamespacePrototype.buildOpt;
|
||
|
||
/**
|
||
* @alias ProtoBuf.Reflect.Service.Method
|
||
* @expose
|
||
*/
|
||
Reflect.Service.Method = Method;
|
||
|
||
/**
|
||
* RPC service method.
|
||
* @exports ProtoBuf.Reflect.Service.RPCMethod
|
||
* @param {!ProtoBuf.Builder} builder Builder reference
|
||
* @param {!ProtoBuf.Reflect.Service} svc Service
|
||
* @param {string} name Method name
|
||
* @param {string} request Request message name
|
||
* @param {string} response Response message name
|
||
* @param {Object.<string,*>=} options Options
|
||
* @constructor
|
||
* @extends ProtoBuf.Reflect.Service.Method
|
||
*/
|
||
var RPCMethod = function(builder, svc, name, request, response, options) {
|
||
Method.call(this, builder, svc, name, options);
|
||
|
||
/**
|
||
* @override
|
||
*/
|
||
this.className = "Service.RPCMethod";
|
||
|
||
/**
|
||
* Request message name.
|
||
* @type {string}
|
||
* @expose
|
||
*/
|
||
this.requestName = request;
|
||
|
||
/**
|
||
* Response message name.
|
||
* @type {string}
|
||
* @expose
|
||
*/
|
||
this.responseName = response;
|
||
|
||
/**
|
||
* Resolved request message type.
|
||
* @type {ProtoBuf.Reflect.Message}
|
||
* @expose
|
||
*/
|
||
this.resolvedRequestType = null;
|
||
|
||
/**
|
||
* Resolved response message type.
|
||
* @type {ProtoBuf.Reflect.Message}
|
||
* @expose
|
||
*/
|
||
this.resolvedResponseType = null;
|
||
};
|
||
|
||
// Extends Method
|
||
RPCMethod.prototype = Object.create(Method.prototype);
|
||
|
||
/**
|
||
* @alias ProtoBuf.Reflect.Service.RPCMethod
|
||
* @expose
|
||
*/
|
||
Reflect.Service.RPCMethod = RPCMethod;
|
||
|
||
return Reflect;
|
||
|
||
})(ProtoBuf);
|
||
|
||
/**
|
||
* @alias ProtoBuf.Builder
|
||
* @expose
|
||
*/
|
||
ProtoBuf.Builder = (function(ProtoBuf, Lang, Reflect) {
|
||
"use strict";
|
||
|
||
/**
|
||
* Constructs a new Builder.
|
||
* @exports ProtoBuf.Builder
|
||
* @class Provides the functionality to build protocol messages.
|
||
* @param {Object.<string,*>=} options Options
|
||
* @constructor
|
||
*/
|
||
var Builder = function(options) {
|
||
|
||
/**
|
||
* Namespace.
|
||
* @type {ProtoBuf.Reflect.Namespace}
|
||
* @expose
|
||
*/
|
||
this.ns = new Reflect.Namespace(this, null, ""); // Global namespace
|
||
|
||
/**
|
||
* Namespace pointer.
|
||
* @type {ProtoBuf.Reflect.T}
|
||
* @expose
|
||
*/
|
||
this.ptr = this.ns;
|
||
|
||
/**
|
||
* Resolved flag.
|
||
* @type {boolean}
|
||
* @expose
|
||
*/
|
||
this.resolved = false;
|
||
|
||
/**
|
||
* The current building result.
|
||
* @type {Object.<string,ProtoBuf.Builder.Message|Object>|null}
|
||
* @expose
|
||
*/
|
||
this.result = null;
|
||
|
||
/**
|
||
* Imported files.
|
||
* @type {Array.<string>}
|
||
* @expose
|
||
*/
|
||
this.files = {};
|
||
|
||
/**
|
||
* Import root override.
|
||
* @type {?string}
|
||
* @expose
|
||
*/
|
||
this.importRoot = null;
|
||
|
||
/**
|
||
* Options.
|
||
* @type {!Object.<string, *>}
|
||
* @expose
|
||
*/
|
||
this.options = options || {};
|
||
};
|
||
|
||
/**
|
||
* @alias ProtoBuf.Builder.prototype
|
||
* @inner
|
||
*/
|
||
var BuilderPrototype = Builder.prototype;
|
||
|
||
/**
|
||
* Resets the pointer to the root namespace.
|
||
* @expose
|
||
*/
|
||
BuilderPrototype.reset = function() {
|
||
this.ptr = this.ns;
|
||
};
|
||
|
||
/**
|
||
* Defines a package on top of the current pointer position and places the pointer on it.
|
||
* @param {string} pkg
|
||
* @param {Object.<string,*>=} options
|
||
* @return {ProtoBuf.Builder} this
|
||
* @throws {Error} If the package name is invalid
|
||
* @expose
|
||
*/
|
||
BuilderPrototype.define = function(pkg, options) {
|
||
if (typeof pkg !== 'string' || !Lang.TYPEREF.test(pkg))
|
||
throw Error("Illegal package: "+pkg);
|
||
var part = pkg.split("."), i;
|
||
for (i=0; i<part.length; i++) // To be absolutely sure
|
||
if (!Lang.NAME.test(part[i]))
|
||
throw Error("Illegal package: "+part[i]);
|
||
for (i=0; i<part.length; i++) {
|
||
if (this.ptr.getChild(part[i]) === null) // Keep existing namespace
|
||
this.ptr.addChild(new Reflect.Namespace(this, this.ptr, part[i], options));
|
||
this.ptr = this.ptr.getChild(part[i]);
|
||
}
|
||
return this;
|
||
};
|
||
|
||
/**
|
||
* Tests if a definition is a valid message definition.
|
||
* @param {Object.<string,*>} def Definition
|
||
* @return {boolean} true if valid, else false
|
||
* @expose
|
||
*/
|
||
Builder.isValidMessage = function(def) {
|
||
// Messages require a string name
|
||
if (typeof def["name"] !== 'string' || !Lang.NAME.test(def["name"]))
|
||
return false;
|
||
// Messages must not contain values (that'd be an enum) or methods (that'd be a service)
|
||
if (typeof def["values"] !== 'undefined' || typeof def["rpc"] !== 'undefined')
|
||
return false;
|
||
// Fields, enums and messages are arrays if provided
|
||
var i;
|
||
if (typeof def["fields"] !== 'undefined') {
|
||
if (!ProtoBuf.Util.isArray(def["fields"]))
|
||
return false;
|
||
var ids = [], id; // IDs must be unique
|
||
for (i=0; i<def["fields"].length; i++) {
|
||
if (!Builder.isValidMessageField(def["fields"][i]))
|
||
return false;
|
||
id = parseInt(def["fields"][i]["id"], 10);
|
||
if (ids.indexOf(id) >= 0)
|
||
return false;
|
||
ids.push(id);
|
||
}
|
||
ids = null;
|
||
}
|
||
if (typeof def["enums"] !== 'undefined') {
|
||
if (!ProtoBuf.Util.isArray(def["enums"]))
|
||
return false;
|
||
for (i=0; i<def["enums"].length; i++)
|
||
if (!Builder.isValidEnum(def["enums"][i]))
|
||
return false;
|
||
}
|
||
if (typeof def["messages"] !== 'undefined') {
|
||
if (!ProtoBuf.Util.isArray(def["messages"]))
|
||
return false;
|
||
for (i=0; i<def["messages"].length; i++)
|
||
if (!Builder.isValidMessage(def["messages"][i]) && !Builder.isValidExtend(def["messages"][i]))
|
||
return false;
|
||
}
|
||
if (typeof def["extensions"] !== 'undefined')
|
||
if (!ProtoBuf.Util.isArray(def["extensions"]) || def["extensions"].length !== 2 || typeof def["extensions"][0] !== 'number' || typeof def["extensions"][1] !== 'number')
|
||
return false;
|
||
return true;
|
||
};
|
||
|
||
/**
|
||
* Tests if a definition is a valid message field definition.
|
||
* @param {Object} def Definition
|
||
* @return {boolean} true if valid, else false
|
||
* @expose
|
||
*/
|
||
Builder.isValidMessageField = function(def) {
|
||
// Message fields require a string rule, name and type and an id
|
||
if (typeof def["rule"] !== 'string' || typeof def["name"] !== 'string' || typeof def["type"] !== 'string' || typeof def["id"] === 'undefined')
|
||
return false;
|
||
if (!Lang.RULE.test(def["rule"]) || !Lang.NAME.test(def["name"]) || !Lang.TYPEREF.test(def["type"]) || !Lang.ID.test(""+def["id"]))
|
||
return false;
|
||
if (typeof def["options"] !== 'undefined') {
|
||
// Options are objects
|
||
if (typeof def["options"] !== 'object')
|
||
return false;
|
||
// Options are <string,string|number|boolean>
|
||
var keys = Object.keys(def["options"]);
|
||
for (var i=0, key; i<keys.length; i++)
|
||
if (typeof (key = keys[i]) !== 'string' || (typeof def["options"][key] !== 'string' && typeof def["options"][key] !== 'number' && typeof def["options"][key] !== 'boolean'))
|
||
return false;
|
||
}
|
||
return true;
|
||
};
|
||
|
||
/**
|
||
* Tests if a definition is a valid enum definition.
|
||
* @param {Object} def Definition
|
||
* @return {boolean} true if valid, else false
|
||
* @expose
|
||
*/
|
||
Builder.isValidEnum = function(def) {
|
||
// Enums require a string name
|
||
if (typeof def["name"] !== 'string' || !Lang.NAME.test(def["name"]))
|
||
return false;
|
||
// Enums require at least one value
|
||
if (typeof def["values"] === 'undefined' || !ProtoBuf.Util.isArray(def["values"]) || def["values"].length == 0)
|
||
return false;
|
||
for (var i=0; i<def["values"].length; i++) {
|
||
// Values are objects
|
||
if (typeof def["values"][i] != "object")
|
||
return false;
|
||
// Values require a string name and an id
|
||
if (typeof def["values"][i]["name"] !== 'string' || typeof def["values"][i]["id"] === 'undefined')
|
||
return false;
|
||
if (!Lang.NAME.test(def["values"][i]["name"]) || !Lang.NEGID.test(""+def["values"][i]["id"]))
|
||
return false;
|
||
}
|
||
// It's not important if there are other fields because ["values"] is already unique
|
||
return true;
|
||
};
|
||
|
||
/**
|
||
* Creates ths specified protocol types at the current pointer position.
|
||
* @param {Array.<Object.<string,*>>} defs Messages, enums or services to create
|
||
* @return {ProtoBuf.Builder} this
|
||
* @throws {Error} If a message definition is invalid
|
||
* @expose
|
||
*/
|
||
BuilderPrototype.create = function(defs) {
|
||
if (!defs)
|
||
return this; // Nothing to create
|
||
if (!ProtoBuf.Util.isArray(defs))
|
||
defs = [defs];
|
||
if (defs.length == 0)
|
||
return this;
|
||
|
||
// It's quite hard to keep track of scopes and memory here, so let's do this iteratively.
|
||
var stack = [];
|
||
stack.push(defs); // One level [a, b, c]
|
||
while (stack.length > 0) {
|
||
defs = stack.pop();
|
||
if (ProtoBuf.Util.isArray(defs)) { // Stack always contains entire namespaces
|
||
while (defs.length > 0) {
|
||
var def = defs.shift(); // Namespace always contains an array of messages, enums and services
|
||
if (Builder.isValidMessage(def)) {
|
||
var obj = new Reflect.Message(this, this.ptr, def["name"], def["options"], def["isGroup"]);
|
||
// Create OneOfs
|
||
var oneofs = {};
|
||
if (def["oneofs"]) {
|
||
var keys = Object.keys(def["oneofs"]);
|
||
for (var i=0, k=keys.length; i<k; ++i)
|
||
obj.addChild(oneofs[keys[i]] = new Reflect.Message.OneOf(this, obj, keys[i]));
|
||
}
|
||
// Create fields
|
||
if (def["fields"] && def["fields"].length > 0) {
|
||
for (i=0, k=def["fields"].length; i<k; ++i) { // i:k=Fields
|
||
var fld = def['fields'][i];
|
||
if (obj.getChild(fld['id']) !== null)
|
||
throw Error("Duplicate field id in message "+obj.name+": "+fld['id']);
|
||
if (fld["options"]) {
|
||
var opts = Object.keys(fld["options"]);
|
||
for (var j= 0,l=opts.length; j<l; ++j) { // j:l=Option names
|
||
if (typeof opts[j] !== 'string')
|
||
throw Error("Illegal field option name in message "+obj.name+"#"+fld["name"]+": "+opts[j]);
|
||
if (typeof fld["options"][opts[j]] !== 'string' && typeof fld["options"][opts[j]] !== 'number' && typeof fld["options"][opts[j]] !== 'boolean')
|
||
throw Error("Illegal field option value in message "+obj.name+"#"+fld["name"]+"#"+opts[j]+": "+fld["options"][opts[j]]);
|
||
}
|
||
}
|
||
var oneof = null;
|
||
if (typeof fld["oneof"] === 'string') {
|
||
oneof = oneofs[fld["oneof"]];
|
||
if (typeof oneof === 'undefined')
|
||
throw Error("Illegal oneof in message "+obj.name+"#"+fld["name"]+": "+fld["oneof"]);
|
||
}
|
||
fld = new Reflect.Message.Field(this, obj, fld["rule"], fld["type"], fld["name"], fld["id"], fld["options"], oneof);
|
||
if (oneof)
|
||
oneof.fields.push(fld);
|
||
obj.addChild(fld);
|
||
}
|
||
}
|
||
// Push enums and messages to stack
|
||
var subObj = [];
|
||
if (typeof def["enums"] !== 'undefined' && def['enums'].length > 0)
|
||
for (i=0; i<def["enums"].length; i++)
|
||
subObj.push(def["enums"][i]);
|
||
if (def["messages"] && def["messages"].length > 0)
|
||
for (i=0; i<def["messages"].length; i++)
|
||
subObj.push(def["messages"][i]);
|
||
// Set extension range
|
||
if (def["extensions"]) {
|
||
obj.extensions = def["extensions"];
|
||
if (obj.extensions[0] < ProtoBuf.ID_MIN)
|
||
obj.extensions[0] = ProtoBuf.ID_MIN;
|
||
if (obj.extensions[1] > ProtoBuf.ID_MAX)
|
||
obj.extensions[1] = ProtoBuf.ID_MAX;
|
||
}
|
||
this.ptr.addChild(obj); // Add to current namespace
|
||
if (subObj.length > 0) {
|
||
stack.push(defs); // Push the current level back
|
||
defs = subObj; // Continue processing sub level
|
||
subObj = null;
|
||
this.ptr = obj; // And move the pointer to this namespace
|
||
obj = null;
|
||
continue;
|
||
}
|
||
subObj = null;
|
||
obj = null;
|
||
} else if (Builder.isValidEnum(def)) {
|
||
obj = new Reflect.Enum(this, this.ptr, def["name"], def["options"]);
|
||
for (i=0; i<def["values"].length; i++)
|
||
obj.addChild(new Reflect.Enum.Value(this, obj, def["values"][i]["name"], def["values"][i]["id"]));
|
||
this.ptr.addChild(obj);
|
||
obj = null;
|
||
} else if (Builder.isValidService(def)) {
|
||
obj = new Reflect.Service(this, this.ptr, def["name"], def["options"]);
|
||
for (i in def["rpc"])
|
||
if (def["rpc"].hasOwnProperty(i))
|
||
obj.addChild(new Reflect.Service.RPCMethod(this, obj, i, def["rpc"][i]["request"], def["rpc"][i]["response"], def["rpc"][i]["options"]));
|
||
this.ptr.addChild(obj);
|
||
obj = null;
|
||
} else if (Builder.isValidExtend(def)) {
|
||
obj = this.ptr.resolve(def["ref"]);
|
||
if (obj) {
|
||
for (i=0; i<def["fields"].length; i++) { // i=Fields
|
||
if (obj.getChild(def['fields'][i]['id']) !== null)
|
||
throw Error("Duplicate extended field id in message "+obj.name+": "+def['fields'][i]['id']);
|
||
if (def['fields'][i]['id'] < obj.extensions[0] || def['fields'][i]['id'] > obj.extensions[1])
|
||
throw Error("Illegal extended field id in message "+obj.name+": "+def['fields'][i]['id']+" ("+obj.extensions.join(' to ')+" expected)");
|
||
// Convert extension field names to camel case notation if the override is set
|
||
var name = def["fields"][i]["name"];
|
||
if (this.options['convertFieldsToCamelCase'])
|
||
name = Reflect.Message.Field._toCamelCase(def["fields"][i]["name"]);
|
||
// see #161: Extensions use their fully qualified name as their runtime key and...
|
||
fld = new Reflect.Message.ExtensionField(this, obj, def["fields"][i]["rule"], def["fields"][i]["type"], this.ptr.fqn()+'.'+name, def["fields"][i]["id"], def["fields"][i]["options"]);
|
||
// ...are added on top of the current namespace as an extension which is used for
|
||
// resolving their type later on (the extension always keeps the original name to
|
||
// prevent naming collisions)
|
||
var ext = new Reflect.Extension(this, this.ptr, def["fields"][i]["name"], fld);
|
||
fld.extension = ext;
|
||
this.ptr.addChild(ext);
|
||
obj.addChild(fld);
|
||
}
|
||
} else if (!/\.?google\.protobuf\./.test(def["ref"])) // Silently skip internal extensions
|
||
throw Error("Extended message "+def["ref"]+" is not defined");
|
||
} else
|
||
throw Error("Not a valid definition: "+JSON.stringify(def));
|
||
def = null;
|
||
}
|
||
// Break goes here
|
||
} else
|
||
throw Error("Not a valid namespace: "+JSON.stringify(defs));
|
||
defs = null;
|
||
this.ptr = this.ptr.parent; // This namespace is s done
|
||
}
|
||
this.resolved = false; // Require re-resolve
|
||
this.result = null; // Require re-build
|
||
return this;
|
||
};
|
||
|
||
/**
|
||
* Imports another definition into this builder.
|
||
* @param {Object.<string,*>} json Parsed import
|
||
* @param {(string|{root: string, file: string})=} filename Imported file name
|
||
* @return {ProtoBuf.Builder} this
|
||
* @throws {Error} If the definition or file cannot be imported
|
||
* @expose
|
||
*/
|
||
BuilderPrototype["import"] = function(json, filename) {
|
||
if (typeof filename === 'string') {
|
||
if (ProtoBuf.Util.IS_NODE)
|
||
filename = require("path")['resolve'](filename);
|
||
if (this.files[filename] === true) {
|
||
this.reset();
|
||
return this; // Skip duplicate imports
|
||
}
|
||
this.files[filename] = true;
|
||
}
|
||
if (!!json['imports'] && json['imports'].length > 0) {
|
||
var importRoot, delim = '/', resetRoot = false;
|
||
if (typeof filename === 'object') { // If an import root is specified, override
|
||
this.importRoot = filename["root"]; resetRoot = true; // ... and reset afterwards
|
||
importRoot = this.importRoot;
|
||
filename = filename["file"];
|
||
if (importRoot.indexOf("\\") >= 0 || filename.indexOf("\\") >= 0) delim = '\\';
|
||
} else if (typeof filename === 'string') {
|
||
if (this.importRoot) // If import root is overridden, use it
|
||
importRoot = this.importRoot;
|
||
else { // Otherwise compute from filename
|
||
if (filename.indexOf("/") >= 0) { // Unix
|
||
importRoot = filename.replace(/\/[^\/]*$/, "");
|
||
if (/* /file.proto */ importRoot === "")
|
||
importRoot = "/";
|
||
} else if (filename.indexOf("\\") >= 0) { // Windows
|
||
importRoot = filename.replace(/\\[^\\]*$/, "");
|
||
delim = '\\';
|
||
} else
|
||
importRoot = ".";
|
||
}
|
||
} else
|
||
importRoot = null;
|
||
|
||
for (var i=0; i<json['imports'].length; i++) {
|
||
if (typeof json['imports'][i] === 'string') { // Import file
|
||
if (!importRoot)
|
||
throw Error("Cannot determine import root: File name is unknown");
|
||
var importFilename = json['imports'][i];
|
||
if (/^google\/protobuf\//.test(importFilename))
|
||
continue; // Not needed and therefore not used
|
||
importFilename = importRoot+delim+importFilename;
|
||
if (this.files[importFilename] === true)
|
||
continue; // Already imported
|
||
if (/\.proto$/i.test(importFilename) && !ProtoBuf.DotProto) // If this is a NOPARSE build
|
||
importFilename = importFilename.replace(/\.proto$/, ".json"); // always load the JSON file
|
||
var contents = ProtoBuf.Util.fetch(importFilename);
|
||
if (contents === null)
|
||
throw Error("Failed to import '"+importFilename+"' in '"+filename+"': File not found");
|
||
if (/\.json$/i.test(importFilename)) // Always possible
|
||
this["import"](JSON.parse(contents+""), importFilename); // May throw
|
||
else
|
||
this["import"]((new ProtoBuf.DotProto.Parser(contents+"")).parse(), importFilename); // May throw
|
||
} else // Import structure
|
||
if (!filename)
|
||
this["import"](json['imports'][i]);
|
||
else if (/\.(\w+)$/.test(filename)) // With extension: Append _importN to the name portion to make it unique
|
||
this["import"](json['imports'][i], filename.replace(/^(.+)\.(\w+)$/, function($0, $1, $2) { return $1+"_import"+i+"."+$2; }));
|
||
else // Without extension: Append _importN to make it unique
|
||
this["import"](json['imports'][i], filename+"_import"+i);
|
||
}
|
||
if (resetRoot) // Reset import root override when all imports are done
|
||
this.importRoot = null;
|
||
}
|
||
if (json['messages']) {
|
||
if (json['package'])
|
||
this.define(json['package'], json["options"]);
|
||
this.create(json['messages']);
|
||
this.reset();
|
||
}
|
||
if (json['enums']) {
|
||
if (json['package'])
|
||
this.define(json['package'], json["options"]);
|
||
this.create(json['enums']);
|
||
this.reset();
|
||
}
|
||
if (json['services']) {
|
||
if (json['package'])
|
||
this.define(json['package'], json["options"]);
|
||
this.create(json['services']);
|
||
this.reset();
|
||
}
|
||
if (json['extends']) {
|
||
if (json['package'])
|
||
this.define(json['package'], json["options"]);
|
||
this.create(json['extends']);
|
||
this.reset();
|
||
}
|
||
return this;
|
||
};
|
||
|
||
/**
|
||
* Tests if a definition is a valid service definition.
|
||
* @param {Object} def Definition
|
||
* @return {boolean} true if valid, else false
|
||
* @expose
|
||
*/
|
||
Builder.isValidService = function(def) {
|
||
// Services require a string name and an rpc object
|
||
return !(typeof def["name"] !== 'string' || !Lang.NAME.test(def["name"]) || typeof def["rpc"] !== 'object');
|
||
};
|
||
|
||
/**
|
||
* Tests if a definition is a valid extension.
|
||
* @param {Object} def Definition
|
||
* @returns {boolean} true if valid, else false
|
||
* @expose
|
||
*/
|
||
Builder.isValidExtend = function(def) {
|
||
if (typeof def["ref"] !== 'string' || !Lang.TYPEREF.test(def["ref"]))
|
||
return false;
|
||
var i;
|
||
if (typeof def["fields"] !== 'undefined') {
|
||
if (!ProtoBuf.Util.isArray(def["fields"]))
|
||
return false;
|
||
var ids = [], id; // IDs must be unique (does not yet test for the extended message's ids)
|
||
for (i=0; i<def["fields"].length; i++) {
|
||
if (!Builder.isValidMessageField(def["fields"][i]))
|
||
return false;
|
||
id = parseInt(def["id"], 10);
|
||
if (ids.indexOf(id) >= 0)
|
||
return false;
|
||
ids.push(id);
|
||
}
|
||
ids = null;
|
||
}
|
||
return true;
|
||
};
|
||
|
||
/**
|
||
* Resolves all namespace objects.
|
||
* @throws {Error} If a type cannot be resolved
|
||
* @expose
|
||
*/
|
||
BuilderPrototype.resolveAll = function() {
|
||
// Resolve all reflected objects
|
||
var res;
|
||
if (this.ptr == null || typeof this.ptr.type === 'object')
|
||
return; // Done (already resolved)
|
||
if (this.ptr instanceof Reflect.Namespace) {
|
||
// Build all children
|
||
var children = this.ptr.children;
|
||
for (var i= 0, k=children.length; i<k; ++i)
|
||
this.ptr = children[i],
|
||
this.resolveAll();
|
||
} else if (this.ptr instanceof Reflect.Message.Field) {
|
||
if (!Lang.TYPE.test(this.ptr.type)) { // Resolve type...
|
||
if (!Lang.TYPEREF.test(this.ptr.type))
|
||
throw Error("Illegal type reference in "+this.ptr.toString(true)+": "+this.ptr.type);
|
||
res = (this.ptr instanceof Reflect.Message.ExtensionField ? this.ptr.extension.parent : this.ptr.parent).resolve(this.ptr.type, true);
|
||
if (!res)
|
||
throw Error("Unresolvable type reference in "+this.ptr.toString(true)+": "+this.ptr.type);
|
||
this.ptr.resolvedType = res;
|
||
if (res instanceof Reflect.Enum)
|
||
this.ptr.type = ProtoBuf.TYPES["enum"];
|
||
else if (res instanceof Reflect.Message)
|
||
this.ptr.type = res.isGroup ? ProtoBuf.TYPES["group"] : ProtoBuf.TYPES["message"];
|
||
else
|
||
throw Error("Illegal type reference in "+this.ptr.toString(true)+": "+this.ptr.type);
|
||
} else
|
||
this.ptr.type = ProtoBuf.TYPES[this.ptr.type];
|
||
} else if (this.ptr instanceof ProtoBuf.Reflect.Enum.Value) {
|
||
// No need to build enum values (built in enum)
|
||
} else if (this.ptr instanceof ProtoBuf.Reflect.Service.Method) {
|
||
if (this.ptr instanceof ProtoBuf.Reflect.Service.RPCMethod) {
|
||
res = this.ptr.parent.resolve(this.ptr.requestName);
|
||
if (!res || !(res instanceof ProtoBuf.Reflect.Message))
|
||
throw Error("Illegal type reference in "+this.ptr.toString(true)+": "+this.ptr.requestName);
|
||
this.ptr.resolvedRequestType = res;
|
||
res = this.ptr.parent.resolve(this.ptr.responseName);
|
||
if (!res || !(res instanceof ProtoBuf.Reflect.Message))
|
||
throw Error("Illegal type reference in "+this.ptr.toString(true)+": "+this.ptr.responseName);
|
||
this.ptr.resolvedResponseType = res;
|
||
} else {
|
||
// Should not happen as nothing else is implemented
|
||
throw Error("Illegal service type in "+this.ptr.toString(true));
|
||
}
|
||
} else if (!(this.ptr instanceof ProtoBuf.Reflect.Message.OneOf) && !(this.ptr instanceof ProtoBuf.Reflect.Extension))
|
||
throw Error("Illegal object in namespace: "+typeof(this.ptr)+":"+this.ptr);
|
||
this.reset();
|
||
};
|
||
|
||
/**
|
||
* Builds the protocol. This will first try to resolve all definitions and, if this has been successful,
|
||
* return the built package.
|
||
* @param {string=} path Specifies what to return. If omitted, the entire namespace will be returned.
|
||
* @return {ProtoBuf.Builder.Message|Object.<string,*>}
|
||
* @throws {Error} If a type could not be resolved
|
||
* @expose
|
||
*/
|
||
BuilderPrototype.build = function(path) {
|
||
this.reset();
|
||
if (!this.resolved)
|
||
this.resolveAll(),
|
||
this.resolved = true,
|
||
this.result = null; // Require re-build
|
||
if (this.result == null) // (Re-)Build
|
||
this.result = this.ns.build();
|
||
if (!path)
|
||
return this.result;
|
||
else {
|
||
var part = path.split(".");
|
||
var ptr = this.result; // Build namespace pointer (no hasChild etc.)
|
||
for (var i=0; i<part.length; i++)
|
||
if (ptr[part[i]])
|
||
ptr = ptr[part[i]];
|
||
else {
|
||
ptr = null;
|
||
break;
|
||
}
|
||
return ptr;
|
||
}
|
||
};
|
||
|
||
/**
|
||
* Similar to {@link ProtoBuf.Builder#build}, but looks up the internal reflection descriptor.
|
||
* @param {string=} path Specifies what to return. If omitted, the entire namespace wiil be returned.
|
||
* @return {ProtoBuf.Reflect.T} Reflection descriptor or `null` if not found
|
||
*/
|
||
BuilderPrototype.lookup = function(path) {
|
||
return path ? this.ns.resolve(path) : this.ns;
|
||
};
|
||
|
||
/**
|
||
* Returns a string representation of this object.
|
||
* @return {string} String representation as of "Builder"
|
||
* @expose
|
||
*/
|
||
BuilderPrototype.toString = function() {
|
||
return "Builder";
|
||
};
|
||
|
||
// Pseudo types documented in Reflect.js.
|
||
// Exist for the sole purpose of being able to "... instanceof ProtoBuf.Builder.Message" etc.
|
||
Builder.Message = function() {};
|
||
Builder.Service = function() {};
|
||
|
||
return Builder;
|
||
|
||
})(ProtoBuf, ProtoBuf.Lang, ProtoBuf.Reflect);
|
||
|
||
|
||
/**
|
||
* Loads a .proto string and returns the Builder.
|
||
* @param {string} proto .proto file contents
|
||
* @param {(ProtoBuf.Builder|string|{root: string, file: string})=} builder Builder to append to. Will create a new one if omitted.
|
||
* @param {(string|{root: string, file: string})=} filename The corresponding file name if known. Must be specified for imports.
|
||
* @return {ProtoBuf.Builder} Builder to create new messages
|
||
* @throws {Error} If the definition cannot be parsed or built
|
||
* @expose
|
||
*/
|
||
ProtoBuf.loadProto = function(proto, builder, filename) {
|
||
if (typeof builder === 'string' || (builder && typeof builder["file"] === 'string' && typeof builder["root"] === 'string'))
|
||
filename = builder,
|
||
builder = undefined;
|
||
return ProtoBuf.loadJson((new ProtoBuf.DotProto.Parser(proto)).parse(), builder, filename);
|
||
};
|
||
|
||
/**
|
||
* Loads a .proto string and returns the Builder. This is an alias of {@link ProtoBuf.loadProto}.
|
||
* @function
|
||
* @param {string} proto .proto file contents
|
||
* @param {(ProtoBuf.Builder|string)=} builder Builder to append to. Will create a new one if omitted.
|
||
* @param {(string|{root: string, file: string})=} filename The corresponding file name if known. Must be specified for imports.
|
||
* @return {ProtoBuf.Builder} Builder to create new messages
|
||
* @throws {Error} If the definition cannot be parsed or built
|
||
* @expose
|
||
*/
|
||
ProtoBuf.protoFromString = ProtoBuf.loadProto; // Legacy
|
||
|
||
/**
|
||
* Loads a .proto file and returns the Builder.
|
||
* @param {string|{root: string, file: string}} filename Path to proto file or an object specifying 'file' with
|
||
* an overridden 'root' path for all imported files.
|
||
* @param {function(?Error, !ProtoBuf.Builder=)=} callback Callback that will receive `null` as the first and
|
||
* the Builder as its second argument on success, otherwise the error as its first argument. If omitted, the
|
||
* file will be read synchronously and this function will return the Builder.
|
||
* @param {ProtoBuf.Builder=} builder Builder to append to. Will create a new one if omitted.
|
||
* @return {?ProtoBuf.Builder|undefined} The Builder if synchronous (no callback specified, will be NULL if the
|
||
* request has failed), else undefined
|
||
* @expose
|
||
*/
|
||
ProtoBuf.loadProtoFile = function(filename, callback, builder) {
|
||
if (callback && typeof callback === 'object')
|
||
builder = callback,
|
||
callback = null;
|
||
else if (!callback || typeof callback !== 'function')
|
||
callback = null;
|
||
if (callback)
|
||
return ProtoBuf.Util.fetch(typeof filename === 'string' ? filename : filename["root"]+"/"+filename["file"], function(contents) {
|
||
if (contents === null) {
|
||
callback(Error("Failed to fetch file"));
|
||
return;
|
||
}
|
||
try {
|
||
callback(null, ProtoBuf.loadProto(contents, builder, filename));
|
||
} catch (e) {
|
||
callback(e);
|
||
}
|
||
});
|
||
var contents = ProtoBuf.Util.fetch(typeof filename === 'object' ? filename["root"]+"/"+filename["file"] : filename);
|
||
return contents === null ? null : ProtoBuf.loadProto(contents, builder, filename);
|
||
};
|
||
|
||
/**
|
||
* Loads a .proto file and returns the Builder. This is an alias of {@link ProtoBuf.loadProtoFile}.
|
||
* @function
|
||
* @param {string|{root: string, file: string}} filename Path to proto file or an object specifying 'file' with
|
||
* an overridden 'root' path for all imported files.
|
||
* @param {function(?Error, !ProtoBuf.Builder=)=} callback Callback that will receive `null` as the first and
|
||
* the Builder as its second argument on success, otherwise the error as its first argument. If omitted, the
|
||
* file will be read synchronously and this function will return the Builder.
|
||
* @param {ProtoBuf.Builder=} builder Builder to append to. Will create a new one if omitted.
|
||
* @return {!ProtoBuf.Builder|undefined} The Builder if synchronous (no callback specified, will be NULL if the
|
||
* request has failed), else undefined
|
||
* @expose
|
||
*/
|
||
ProtoBuf.protoFromFile = ProtoBuf.loadProtoFile; // Legacy
|
||
|
||
|
||
/**
|
||
* Constructs a new empty Builder.
|
||
* @param {Object.<string,*>=} options Builder options, defaults to global options set on ProtoBuf
|
||
* @return {!ProtoBuf.Builder} Builder
|
||
* @expose
|
||
*/
|
||
ProtoBuf.newBuilder = function(options) {
|
||
options = options || {};
|
||
if (typeof options['convertFieldsToCamelCase'] === 'undefined')
|
||
options['convertFieldsToCamelCase'] = ProtoBuf.convertFieldsToCamelCase;
|
||
if (typeof options['populateAccessors'] === 'undefined')
|
||
options['populateAccessors'] = ProtoBuf.populateAccessors;
|
||
return new ProtoBuf.Builder(options);
|
||
};
|
||
|
||
/**
|
||
* Loads a .json definition and returns the Builder.
|
||
* @param {!*|string} json JSON definition
|
||
* @param {(ProtoBuf.Builder|string|{root: string, file: string})=} builder Builder to append to. Will create a new one if omitted.
|
||
* @param {(string|{root: string, file: string})=} filename The corresponding file name if known. Must be specified for imports.
|
||
* @return {ProtoBuf.Builder} Builder to create new messages
|
||
* @throws {Error} If the definition cannot be parsed or built
|
||
* @expose
|
||
*/
|
||
ProtoBuf.loadJson = function(json, builder, filename) {
|
||
if (typeof builder === 'string' || (builder && typeof builder["file"] === 'string' && typeof builder["root"] === 'string'))
|
||
filename = builder,
|
||
builder = null;
|
||
if (!builder || typeof builder !== 'object')
|
||
builder = ProtoBuf.newBuilder();
|
||
if (typeof json === 'string')
|
||
json = JSON.parse(json);
|
||
builder["import"](json, filename);
|
||
builder.resolveAll();
|
||
builder.build();
|
||
return builder;
|
||
};
|
||
|
||
/**
|
||
* Loads a .json file and returns the Builder.
|
||
* @param {string|!{root: string, file: string}} filename Path to json file or an object specifying 'file' with
|
||
* an overridden 'root' path for all imported files.
|
||
* @param {function(?Error, !ProtoBuf.Builder=)=} callback Callback that will receive `null` as the first and
|
||
* the Builder as its second argument on success, otherwise the error as its first argument. If omitted, the
|
||
* file will be read synchronously and this function will return the Builder.
|
||
* @param {ProtoBuf.Builder=} builder Builder to append to. Will create a new one if omitted.
|
||
* @return {?ProtoBuf.Builder|undefined} The Builder if synchronous (no callback specified, will be NULL if the
|
||
* request has failed), else undefined
|
||
* @expose
|
||
*/
|
||
ProtoBuf.loadJsonFile = function(filename, callback, builder) {
|
||
if (callback && typeof callback === 'object')
|
||
builder = callback,
|
||
callback = null;
|
||
else if (!callback || typeof callback !== 'function')
|
||
callback = null;
|
||
if (callback)
|
||
return ProtoBuf.Util.fetch(typeof filename === 'string' ? filename : filename["root"]+"/"+filename["file"], function(contents) {
|
||
if (contents === null) {
|
||
callback(Error("Failed to fetch file"));
|
||
return;
|
||
}
|
||
try {
|
||
callback(null, ProtoBuf.loadJson(JSON.parse(contents), builder, filename));
|
||
} catch (e) {
|
||
callback(e);
|
||
}
|
||
});
|
||
var contents = ProtoBuf.Util.fetch(typeof filename === 'object' ? filename["root"]+"/"+filename["file"] : filename);
|
||
return contents === null ? null : ProtoBuf.loadJson(JSON.parse(contents), builder, filename);
|
||
};
|
||
|
||
return ProtoBuf;
|
||
}
|
||
|
||
/* CommonJS */ if (typeof require === 'function' && typeof module === 'object' && module && typeof exports === 'object' && exports)
|
||
module['exports'] = init(require("bytebuffer"));
|
||
/* AMD */ else if (typeof define === 'function' && define["amd"])
|
||
define(["ByteBuffer"], init);
|
||
/* Global */ else
|
||
(global["dcodeIO"] = global["dcodeIO"] || {})["ProtoBuf"] = init(global["dcodeIO"]["ByteBuffer"]);
|
||
|
||
})(this);
|