86 lines
2.7 KiB
JavaScript
86 lines
2.7 KiB
JavaScript
// -*-coding: latin-1;-*-
|
|
// Time-stamp: "2006-05-17 22:06:46 ADT" sburke@cpan.org
|
|
|
|
// A workaround for XSL-to-XHTML systems that don't
|
|
// implement XSL 'disable-output-escaping="yes"'.
|
|
//
|
|
// sburke@cpan.org, Sean M. Burke.
|
|
// - I hereby release this JavaScript code into the public domain.
|
|
|
|
var is_decoding;
|
|
var DEBUG = 0;
|
|
|
|
function complaining (s) { alert(s); return new Error(s,s); }
|
|
|
|
if(!( document.getElementById && document.getElementsByName ))
|
|
throw complaining("Your browser is too old to render this page properly."
|
|
+ " Consider going to getfirefox.com to upgrade.");
|
|
|
|
function check_decoding () {
|
|
var d = document.getElementById('cometestme');
|
|
if(!d) {
|
|
throw complaining("Can't find an id='cometestme' element?");
|
|
} else if(!('textContent' in d)) {
|
|
// It's a browser with a halfassed DOM implementation (like IE6)
|
|
// that doesn't implement textContent! Assume that if it's that
|
|
// dumb, it probably doesn't implement disable-content-encoding.
|
|
|
|
} else {
|
|
var ampy = d.textContent;
|
|
if(DEBUG > 1) { alert("Got " + ampy); }
|
|
|
|
if(ampy == undefined) throw complaining("'cometestme' element has undefined text content?!");
|
|
if(ampy == '' ) throw complaining("'cometestme' element has empty text content?!" );
|
|
|
|
if (ampy == "\x26" ) { is_decoding = true; }
|
|
else if (ampy == "\x26amp;" ) { is_decoding = false; }
|
|
else { throw complaining('Insane value: "' + ampy + '"!'); }
|
|
}
|
|
|
|
var msg =
|
|
(is_decoding == undefined) ? "I can't tell whether the XSL processor supports disable-content-encoding!D"
|
|
: is_decoding ? "The XSL processor DOES support disable-content-encoding"
|
|
: "The XSL processor does NOT support disable-content-encoding"
|
|
;
|
|
if(DEBUG) alert(msg);
|
|
return msg;
|
|
}
|
|
|
|
|
|
function go_decoding () {
|
|
check_decoding();
|
|
|
|
if(is_decoding) {
|
|
DEBUG && alert("No work needs doing -- already decoded!");
|
|
return;
|
|
}
|
|
|
|
var to_decode = document.getElementsByName('decodeme');
|
|
if(!( to_decode && to_decode.length )) {
|
|
DEBUG && alert("No work needs doing -- no elements to decode!");
|
|
return;
|
|
}
|
|
|
|
if(!( ( "innerHTML" in to_decode[0]) && ( "textContent" in to_decode[0]) ))
|
|
throw complaining( "Your JavaScript version doesn't implement DOM " +
|
|
"properly enough to show this page correctly. " +
|
|
"Consider going to getfirefox.com to upgrade.");
|
|
|
|
var s;
|
|
for(var i = to_decode.length - 1; i >= 0; i--) {
|
|
s = to_decode[i].textContent;
|
|
|
|
if(
|
|
s == undefined ||
|
|
(s.indexOf('&') == -1 && s.indexOf('<') == -1)
|
|
) {
|
|
// the null or markupless element needs no reworking
|
|
} else {
|
|
to_decode[i].innerHTML = s; // that's the magic
|
|
}
|
|
}
|
|
|
|
return;
|
|
}
|
|
|
|
//End
|