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more markdown plugin refactoring

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Hakim El Hattab 2013-08-24 10:03:34 -04:00
parent 4350c0024f
commit 1c5da37ca6
1 changed files with 22 additions and 19 deletions
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41
plugin/markdown/markdown.js
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@ -1,5 +1,8 @@
// From https://gist.github.com/1343518
// Modified by Hakim to handle Markdown indented with tabs
/**
* The reveal.js markdown plugin. Handles parsing of
* markdown inside of presentations as well as loading
* of external markdown documents.
*/
(function(){
if( typeof marked === 'undefined' ) {
@ -35,12 +38,12 @@
};
function twrap( el ) {
function createSlide( data ) {
var content = el.content || el;
var content = data.content || data;
if( el.asideContent ) {
content += '<aside class="notes" data-markdown>' + el.asideContent + '</aside>';
if( data.notes ) {
content += '<aside class="notes" data-markdown>' + data.notes + '</aside>';
}
return '<script type="text/template">' + content + '</script>';
@ -71,28 +74,28 @@
};
function slidifyMarkdown( markdown, separator, vertical, notes, attributes ) {
function slidifyMarkdown( markdown, separator, verticalSeparator, noteSeparator, attributes ) {
separator = separator || '^\n---\n$';
notes = notes || 'note:';
noteSeparator = noteSeparator || 'note:';
var separatorRegex = new RegExp( separator + ( vertical ? '|' + vertical : '' ), 'mg' ),
var separatorRegex = new RegExp( separator + ( verticalSeparator ? '|' + verticalSeparator : '' ), 'mg' ),
horizontalSeparatorRegex = new RegExp( separator ),
notesSeparatorRegex = new RegExp( notes, 'mgi' ),
notesSeparatorRegex = new RegExp( noteSeparator, 'mgi' ),
matches,
noteMatch,
lastIndex = 0,
isHorizontal,
wasHorizontal = true,
content,
asideContent,
notes,
slide,
sectionStack = [],
markdownSections = '';
// iterate until all blocks between separators are stacked up
while( matches = separatorRegex.exec( markdown ) ) {
asideContent = null;
notes = null;
// determine direction (horizontal by default)
isHorizontal = horizontalSeparatorRegex.test( matches[0] );
@ -108,20 +111,20 @@
if( noteMatch.length === 2 ) {
content = noteMatch[0];
asideContent = noteMatch[1].trim();
notes = noteMatch[1].trim();
}
slide = {
content: content,
asideContent: asideContent || ''
notes: notes || ''
};
if( isHorizontal && wasHorizontal ) {
// add to horizontal stack
sectionStack.push(slide);
sectionStack.push( slide );
} else {
// add to vertical stack
sectionStack[sectionStack.length-1].push(slide);
sectionStack[sectionStack.length-1].push( slide );
}
lastIndex = separatorRegex.lastIndex;
@ -129,17 +132,17 @@
}
// add the remaining slide
(wasHorizontal ? sectionStack : sectionStack[sectionStack.length-1]).push(markdown.substring(lastIndex));
( wasHorizontal ? sectionStack : sectionStack[sectionStack.length-1] ).push( markdown.substring( lastIndex ) );
// flatten the hierarchical stack, and insert <section data-markdown> tags
for( var k = 0, klen = sectionStack.length; k < klen; k++ ) {
// vertical
if( sectionStack[k].propertyIsEnumerable( length ) && typeof sectionStack[k].splice === 'function' ) {
markdownSections += '<section '+ attributes +'>' +
'<section data-markdown>' + sectionStack[k].map( twrap ).join( '</section><section data-markdown>' ) + '</section>' +
'<section data-markdown>' + sectionStack[k].map( createSlide ).join( '</section><section data-markdown>' ) + '</section>' +
'</section>';
} else {
markdownSections += '<section '+ attributes +' data-markdown>' + twrap( sectionStack[k] ) + '</section>';
markdownSections += '<section '+ attributes +' data-markdown>' + createSlide( sectionStack[k] ) + '</section>';
}
}