Presentations
/
Openfest2013-UlteoOVDPresentation
1
0
Fork 0
Code Issues Pull Requests Releases Wiki Activity
Browse Source

update markdown plugin formatting to match reveal.js core

embed
Hakim El Hattab 11 years ago
parent
f215528575
commit
b968dfef15
1 changed files with 192 additions and 181 deletions
Whitespace
Show all changes Ignore whitespace when comparing lines Ignore changes in amount of whitespace Ignore changes in whitespace at EOL
Unified View
Diff Options
Show Stats Download Patch File Download Diff File
  1. 373
      plugin/markdown/markdown.js

373
plugin/markdown/markdown.js
View File

@ -2,219 +2,230 @@
// Modified by Hakim to handle Markdown indented with tabs // Modified by Hakim to handle Markdown indented with tabs
(function(){ (function(){
if( typeof marked === 'undefined' ) { if( typeof marked === 'undefined' ) {
throw 'The reveal.js Markdown plugin requires marked to be loaded'; throw 'The reveal.js Markdown plugin requires marked to be loaded';
} }
if (typeof hljs !== 'undefined') {
marked.setOptions({
highlight: function (lang, code) {
return hljs.highlightAuto(lang, code).value;
}
});
}
var stripLeadingWhitespace = function(section) {
var template = section.querySelector( 'script' );
// strip leading whitespace so it isn't evaluated as code
var text = ( template || section ).textContent;
var leadingWs = text.match(/^\n?(\s*)/)[1].length,
leadingTabs = text.match(/^\n?(\t*)/)[1].length;
if( leadingTabs > 0 ) {
text = text.replace( new RegExp('\\n?\\t{' + leadingTabs + '}','g'), '\n' );
}
else if( leadingWs > 1 ) {
text = text.replace( new RegExp('\\n? {' + leadingWs + '}','g'), '\n' );
}
return text;
};
var twrap = function(el) {
var content = el.content || el;
content += el.asideContent ? ('<aside class="notes" data-markdown>' + el.asideContent + '</aside>') : '';
return '<script type="text/template">' + content + '</script>';
};
var getForwardedAttributes = function(section) {
var attributes = section.attributes;
var result = [];
for( var i = 0, len = attributes.length; i < len; i++ ) {
var name = attributes[i].name,
value = attributes[i].value;
// disregard attributes that are used for markdown loading/parsing
if( /data\-(markdown|separator|vertical|notes)/gi.test( name ) ) continue;
if( value ) {
result.push( name + '=' + value );
}
else {
result.push( name );
}
}
return result.join( ' ' );
};
var slidifyMarkdown = function(markdown, separator, vertical, notes, attributes) {
separator = separator || '^\n---\n$';
notes = notes || 'note:';
var separatorRegex = new RegExp( separator + ( vertical ? '|' + vertical : '' ), 'mg' ),
horizontalSeparatorRegex = new RegExp( separator ),
notesSeparatorRegex = new RegExp( notes, 'mgi' ),
matches,
noteMatch,
lastIndex = 0,
isHorizontal,
wasHorizontal = true,
content,
asideContent,
slide,
sectionStack = [],
markdownSections = '';
// iterate until all blocks between separators are stacked up
while( matches = separatorRegex.exec( markdown ) ) {
asideContent = null;
// determine direction (horizontal by default)
isHorizontal = horizontalSeparatorRegex.test( matches[0] );
if( !isHorizontal && wasHorizontal ) {
// create vertical stack
sectionStack.push( [] );
}
// pluck slide content from markdown input
content = markdown.substring( lastIndex, matches.index );
noteMatch = content.split( notesSeparatorRegex );
if( noteMatch.length === 2 ) {
content = noteMatch[0];
asideContent = noteMatch[1].trim();
}
slide = { if( typeof hljs !== 'undefined' ) {
content: content, marked.setOptions({
asideContent: asideContent || "" highlight: function( lang, code ) {
}; return hljs.highlightAuto( lang, code ).value;
}
});
}
if( isHorizontal && wasHorizontal ) { var stripLeadingWhitespace = function( section ) {
// add to horizontal stack
sectionStack.push(slide);
} else {
// add to vertical stack
sectionStack[sectionStack.length-1].push(slide);
}
lastIndex = separatorRegex.lastIndex; var template = section.querySelector( 'script' );
wasHorizontal = isHorizontal;
}
// add the remaining slide // strip leading whitespace so it isn't evaluated as code
(wasHorizontal ? sectionStack : sectionStack[sectionStack.length-1]).push(markdown.substring(lastIndex)); var text = ( template || section ).textContent;
// flatten the hierarchical stack, and insert <section data-markdown> tags var leadingWs = text.match( /^\n?(\s*)/ )[1].length,
for( var k = 0, klen = sectionStack.length; k < klen; k++ ) { leadingTabs = text.match( /^\n?(\t*)/ )[1].length;
// 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>';
} else {
markdownSections += '<section '+ attributes +' data-markdown>' + twrap( sectionStack[k] ) + '</section>';
}
}
return markdownSections; if( leadingTabs > 0 ) {
}; text = text.replace( new RegExp('\\n?\\t{' + leadingTabs + '}','g'), '\n' );
}
else if( leadingWs > 1 ) {
text = text.replace( new RegExp('\\n? {' + leadingWs + '}','g'), '\n' );
}
var querySlidingMarkdown = function() { return text;
var sections = document.querySelectorAll( '[data-markdown]'), };
section;
for( var j = 0, jlen = sections.length; j < jlen; j++ ) { var twrap = function( el ) {
section = sections[j]; var content = el.content || el;
if( el.asideContent ) {
content += '<aside class="notes" data-markdown>' + el.asideContent + '</aside>';
}
return '<script type="text/template">' + content + '</script>';
};
var getForwardedAttributes = function( section ) {
if( section.getAttribute('data-markdown').length ) { var attributes = section.attributes;
var result = [];
var xhr = new XMLHttpRequest(), for( var i = 0, len = attributes.length; i < len; i++ ) {
url = section.getAttribute('data-markdown'); var name = attributes[i].name,
value = attributes[i].value;
datacharset = section.getAttribute('data-charset'); // disregard attributes that are used for markdown loading/parsing
// see https://developer.mozilla.org/en-US/docs/Web/API/element.getAttribute#Notes if( /data\-(markdown|separator|vertical|notes)/gi.test( name ) ) continue;
if (datacharset != null && datacharset != '') {
xhr.overrideMimeType('text/html; charset=' + datacharset);
}
xhr.onreadystatechange = function () { if( value ) {
if( xhr.readyState === 4 ) { result.push( name + '=' + value );
if (xhr.status >= 200 && xhr.status < 300) { }
section.outerHTML = slidifyMarkdown( xhr.responseText, section.getAttribute('data-separator'), section.getAttribute('data-vertical'), section.getAttribute('data-notes'), getForwardedAttributes(section) ); else {
} else { result.push( name );
section.outerHTML = '<section data-state="alert">ERROR: The attempt to fetch ' + url + ' failed with the HTTP status ' + xhr.status + }
'. Check your browser\'s JavaScript console for more details.' + }
'<p>Remember that you need to serve the presentation HTML from a HTTP server and the Markdown file must be there too.</p></section>';
}
}
};
xhr.open('GET', url, false); return result.join( ' ' );
try {
xhr.send();
} catch (e) {
alert('Failed to get the Markdown file ' + url + '. Make sure that the presentation and the file are served by a HTTP server and the file can be found there. ' + e);
}
} else if( section.getAttribute('data-separator') ) { };
var markdown = stripLeadingWhitespace(section); var slidifyMarkdown = function( markdown, separator, vertical, notes, attributes ) {
section.outerHTML = slidifyMarkdown( markdown, section.getAttribute('data-separator'), section.getAttribute('data-vertical'), section.getAttribute('data-notes'), getForwardedAttributes(section) );
} separator = separator || '^\n---\n$';
} notes = notes || 'note:';
}; var separatorRegex = new RegExp( separator + ( vertical ? '|' + vertical : '' ), 'mg' ),
horizontalSeparatorRegex = new RegExp( separator ),
notesSeparatorRegex = new RegExp( notes, 'mgi' ),
matches,
noteMatch,
lastIndex = 0,
isHorizontal,
wasHorizontal = true,
content,
asideContent,
slide,
sectionStack = [],
markdownSections = '';
// iterate until all blocks between separators are stacked up
while( matches = separatorRegex.exec( markdown ) ) {
asideContent = null;
var queryMarkdownSlides = function() { // determine direction (horizontal by default)
isHorizontal = horizontalSeparatorRegex.test( matches[0] );
var sections = document.querySelectorAll( '[data-markdown]'); if( !isHorizontal && wasHorizontal ) {
// create vertical stack
sectionStack.push( [] );
}
for( var j = 0, jlen = sections.length; j < jlen; j++ ) { // pluck slide content from markdown input
content = markdown.substring( lastIndex, matches.index );
noteMatch = content.split( notesSeparatorRegex );
makeHtml(sections[j]); if( noteMatch.length === 2 ) {
content = noteMatch[0];
asideContent = noteMatch[1].trim();
}
} slide = {
content: content,
asideContent: asideContent || ''
};
}; if( isHorizontal && wasHorizontal ) {
// add to horizontal stack
sectionStack.push(slide);
} else {
// add to vertical stack
sectionStack[sectionStack.length-1].push(slide);
}
var makeHtml = function(section) { lastIndex = separatorRegex.lastIndex;
wasHorizontal = isHorizontal;
}
var notes = section.querySelector( 'aside.notes' ); // add the remaining slide
(wasHorizontal ? sectionStack : sectionStack[sectionStack.length-1]).push(markdown.substring(lastIndex));
var markdown = stripLeadingWhitespace(section); // 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>';
} else {
markdownSections += '<section '+ attributes +' data-markdown>' + twrap( sectionStack[k] ) + '</section>';
}
}
section.innerHTML = marked(markdown); return markdownSections;
};
if( notes ) { var queryExternalMarkdown = function() {
section.appendChild( notes );
}
}; var sections = document.querySelectorAll( '[data-markdown]'),
section;
querySlidingMarkdown(); for( var j = 0, jlen = sections.length; j < jlen; j++ ) {
queryMarkdownSlides(); section = sections[j];
if( section.getAttribute( 'data-markdown' ).length ) {
var xhr = new XMLHttpRequest(),
url = section.getAttribute( 'data-markdown' );
datacharset = section.getAttribute( 'data-charset' );
// see https://developer.mozilla.org/en-US/docs/Web/API/element.getAttribute#Notes
if( datacharset != null && datacharset != '' ) {
xhr.overrideMimeType( 'text/html; charset=' + datacharset );
}
xhr.onreadystatechange = function() {
if( xhr.readyState === 4 ) {
if ( xhr.status >= 200 && xhr.status < 300 ) {
section.outerHTML = slidifyMarkdown( xhr.responseText, section.getAttribute( 'data-separator' ), section.getAttribute( 'data-vertical' ), section.getAttribute( 'data-notes' ), getForwardedAttributes( section ) );
}
else {
section.outerHTML = '<section data-state="alert">ERROR: The attempt to fetch ' + url + ' failed with the HTTP status ' + xhr.status +
'. Check your browser\'s JavaScript console for more details.' +
'<p>Remember that you need to serve the presentation HTML from a HTTP server and the Markdown file must be there too.</p></section>';
}
}
};
xhr.open( 'GET', url, false );
try {
xhr.send();
}
catch ( e ) {
alert( 'Failed to get the Markdown file ' + url + '. Make sure that the presentation and the file are served by a HTTP server and the file can be found there. ' + e );
}
} else if( section.getAttribute( 'data-separator' ) ) {
var markdown = stripLeadingWhitespace( section );
section.outerHTML = slidifyMarkdown( markdown, section.getAttribute( 'data-separator' ), section.getAttribute( 'data-vertical' ), section.getAttribute( 'data-notes' ), getForwardedAttributes( section ) );
}
}
};
var queryMarkdownSlides = function() {
var sections = document.querySelectorAll( '[data-markdown]');
for( var j = 0, jlen = sections.length; j < jlen; j++ ) {
makeHtml( sections[j] );
}
};
var makeHtml = function( section ) {
var notes = section.querySelector( 'aside.notes' );
var markdown = stripLeadingWhitespace( section );
section.innerHTML = marked( markdown );
if( notes ) {
section.appendChild( notes );
}
};
queryExternalMarkdown();
queryMarkdownSlides();
})(); })();

Write Preview
Loading…
Cancel
Save