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<!doctype html>
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<html lang="en">
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<head>
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<meta charset="utf-8">
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<title>reveal.js - Markdown Demo</title>
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<link rel="stylesheet" href="../../css/reveal.css">
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<link rel="stylesheet" href="../../css/theme/white.css" id="theme">
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<link rel="stylesheet" href="../../lib/css/zenburn.css">
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</head>
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<body>
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<div class="reveal">
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<div class="slides">
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<!-- Use external markdown resource, separate slides by three newlines; vertical slides by two newlines -->
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<section data-markdown="example.md" data-separator="^\n\n\n" data-separator-vertical="^\n\n"></section>
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<!-- Slides are separated by three dashes (quick 'n dirty regular expression) -->
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<section data-markdown data-separator="---">
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<script type="text/template">
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## Demo 1
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Slide 1
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---
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## Demo 1
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Slide 2
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---
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## Demo 1
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Slide 3
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</script>
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</section>
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<!-- Slides are separated by newline + three dashes + newline, vertical slides identical but two dashes -->
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<section data-markdown data-separator="^\n---\n$" data-separator-vertical="^\n--\n$">
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<script type="text/template">
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## Demo 2
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Slide 1.1
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--
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## Demo 2
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Slide 1.2
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---
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## Demo 2
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Slide 2
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</script>
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</section>
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<!-- No "extra" slides, since there are no separators defined (so they'll become horizontal rulers) -->
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<section data-markdown>
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<script type="text/template">
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A
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---
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B
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---
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C
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</script>
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</section>
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<!-- Slide attributes -->
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<section data-markdown>
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<script type="text/template">
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<!-- .slide: data-background="#000000" -->
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## Slide attributes
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</script>
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</section>
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<!-- Element attributes -->
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<section data-markdown>
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<script type="text/template">
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## Element attributes
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- Item 1 <!-- .element: class="fragment" data-fragment-index="2" -->
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- Item 2 <!-- .element: class="fragment" data-fragment-index="1" -->
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</script>
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</section>
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<!-- Code -->
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<section data-markdown>
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<script type="text/template">
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```php
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public function foo()
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{
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$foo = array(
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'bar' => 'bar'
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)
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}
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```
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</script>
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</section>
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</div>
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</div>
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<script src="../../lib/js/head.min.js"></script>
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<script src="../../js/reveal.js"></script>
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<script>
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Reveal.initialize({
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controls: true,
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progress: true,
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history: true,
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center: true,
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// Optional libraries used to extend on reveal.js
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dependencies: [
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{ src: '../../lib/js/classList.js', condition: function() { return !document.body.classList; } },
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{ src: 'marked.js', condition: function() { return !!document.querySelector( '[data-markdown]' ); } },
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{ src: 'markdown.js', condition: function() { return !!document.querySelector( '[data-markdown]' ); } },
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{ src: '../highlight/highlight.js', async: true, callback: function() { hljs.initHighlightingOnLoad(); } },
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{ src: '../notes/notes.js' }
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]
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});
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</script>
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</body>
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</html>
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# Markdown Demo
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## External 1.1
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Content 1.1
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Note: This will only appear in the speaker notes window.
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## External 1.2
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Content 1.2
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## External 2
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Content 2.1
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## External 3.1
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Content 3.1
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## External 3.2
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Content 3.2
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/**
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* The reveal.js markdown plugin. Handles parsing of
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* markdown inside of presentations as well as loading
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* of external markdown documents.
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*/
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(function( root, factory ) {
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if (typeof define === 'function' && define.amd) {
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root.marked = require( './marked' );
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root.RevealMarkdown = factory( root.marked );
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root.RevealMarkdown.initialize();
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} else if( typeof exports === 'object' ) {
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module.exports = factory( require( './marked' ) );
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} else {
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// Browser globals (root is window)
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root.RevealMarkdown = factory( root.marked );
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root.RevealMarkdown.initialize();
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}
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}( this, function( marked ) {
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var DEFAULT_SLIDE_SEPARATOR = '^\r?\n---\r?\n$',
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DEFAULT_NOTES_SEPARATOR = 'note:',
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DEFAULT_ELEMENT_ATTRIBUTES_SEPARATOR = '\\\.element\\\s*?(.+?)$',
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DEFAULT_SLIDE_ATTRIBUTES_SEPARATOR = '\\\.slide:\\\s*?(\\\S.+?)$';
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var SCRIPT_END_PLACEHOLDER = '__SCRIPT_END__';
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/**
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* Retrieves the markdown contents of a slide section
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* element. Normalizes leading tabs/whitespace.
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*/
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function getMarkdownFromSlide( section ) {
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var template = section.querySelector( 'script' );
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// strip leading whitespace so it isn't evaluated as code
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var text = ( template || section ).textContent;
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// restore script end tags
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text = text.replace( new RegExp( SCRIPT_END_PLACEHOLDER, 'g' ), '</script>' );
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var leadingWs = text.match( /^\n?(\s*)/ )[1].length,
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leadingTabs = text.match( /^\n?(\t*)/ )[1].length;
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if( leadingTabs > 0 ) {
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text = text.replace( new RegExp('\\n?\\t{' + leadingTabs + '}','g'), '\n' );
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}
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else if( leadingWs > 1 ) {
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text = text.replace( new RegExp('\\n? {' + leadingWs + '}', 'g'), '\n' );
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}
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return text;
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}
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/**
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* Given a markdown slide section element, this will
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* return all arguments that aren't related to markdown
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* parsing. Used to forward any other user-defined arguments
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* to the output markdown slide.
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*/
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function getForwardedAttributes( section ) {
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var attributes = section.attributes;
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var result = [];
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for( var i = 0, len = attributes.length; i < len; i++ ) {
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var name = attributes[i].name,
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value = attributes[i].value;
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// disregard attributes that are used for markdown loading/parsing
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if( /data\-(markdown|separator|vertical|notes)/gi.test( name ) ) continue;
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if( value ) {
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result.push( name + '="' + value + '"' );
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}
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else {
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result.push( name );
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}
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}
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return result.join( ' ' );
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}
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/**
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* Inspects the given options and fills out default
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* values for what's not defined.
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*/
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function getSlidifyOptions( options ) {
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options = options || {};
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options.separator = options.separator || DEFAULT_SLIDE_SEPARATOR;
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options.notesSeparator = options.notesSeparator || DEFAULT_NOTES_SEPARATOR;
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options.attributes = options.attributes || '';
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return options;
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}
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/**
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* Helper function for constructing a markdown slide.
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*/
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function createMarkdownSlide( content, options ) {
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options = getSlidifyOptions( options );
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var notesMatch = content.split( new RegExp( options.notesSeparator, 'mgi' ) );
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if( notesMatch.length === 2 ) {
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content = notesMatch[0] + '<aside class="notes">' + marked(notesMatch[1].trim()) + '</aside>';
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}
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// prevent script end tags in the content from interfering
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// with parsing
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content = content.replace( /<\/script>/g, SCRIPT_END_PLACEHOLDER );
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return '<script type="text/template">' + content + '</script>';
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}
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/**
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* Parses a data string into multiple slides based
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* on the passed in separator arguments.
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*/
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function slidify( markdown, options ) {
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options = getSlidifyOptions( options );
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var separatorRegex = new RegExp( options.separator + ( options.verticalSeparator ? '|' + options.verticalSeparator : '' ), 'mg' ),
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horizontalSeparatorRegex = new RegExp( options.separator );
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var matches,
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lastIndex = 0,
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isHorizontal,
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wasHorizontal = true,
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content,
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sectionStack = [];
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// iterate until all blocks between separators are stacked up
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while( matches = separatorRegex.exec( markdown ) ) {
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notes = null;
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// determine direction (horizontal by default)
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isHorizontal = horizontalSeparatorRegex.test( matches[0] );
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if( !isHorizontal && wasHorizontal ) {
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// create vertical stack
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sectionStack.push( [] );
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}
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// pluck slide content from markdown input
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content = markdown.substring( lastIndex, matches.index );
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if( isHorizontal && wasHorizontal ) {
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// add to horizontal stack
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sectionStack.push( content );
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}
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else {
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// add to vertical stack
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sectionStack[sectionStack.length-1].push( content );
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}
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lastIndex = separatorRegex.lastIndex;
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wasHorizontal = isHorizontal;
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}
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// add the remaining slide
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( wasHorizontal ? sectionStack : sectionStack[sectionStack.length-1] ).push( markdown.substring( lastIndex ) );
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var markdownSections = '';
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// flatten the hierarchical stack, and insert <section data-markdown> tags
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for( var i = 0, len = sectionStack.length; i < len; i++ ) {
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// vertical
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if( sectionStack[i] instanceof Array ) {
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markdownSections += '<section '+ options.attributes +'>';
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sectionStack[i].forEach( function( child ) {
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markdownSections += '<section data-markdown>' + createMarkdownSlide( child, options ) + '</section>';
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} );
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markdownSections += '</section>';
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}
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else {
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markdownSections += '<section '+ options.attributes +' data-markdown>' + createMarkdownSlide( sectionStack[i], options ) + '</section>';
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}
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}
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return markdownSections;
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}
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/**
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* Parses any current data-markdown slides, splits
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* multi-slide markdown into separate sections and
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* handles loading of external markdown.
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*/
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function processSlides() {
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var sections = document.querySelectorAll( '[data-markdown]'),
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section;
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for( var i = 0, len = sections.length; i < len; i++ ) {
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section = sections[i];
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if( section.getAttribute( 'data-markdown' ).length ) {
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var xhr = new XMLHttpRequest(),
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url = section.getAttribute( 'data-markdown' );
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datacharset = section.getAttribute( 'data-charset' );
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// see https://developer.mozilla.org/en-US/docs/Web/API/element.getAttribute#Notes
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if( datacharset != null && datacharset != '' ) {
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xhr.overrideMimeType( 'text/html; charset=' + datacharset );
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}
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xhr.onreadystatechange = function() {
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if( xhr.readyState === 4 ) {
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// file protocol yields status code 0 (useful for local debug, mobile applications etc.)
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if ( ( xhr.status >= 200 && xhr.status < 300 ) || xhr.status === 0 ) {
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section.outerHTML = slidify( xhr.responseText, {
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separator: section.getAttribute( 'data-separator' ),
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verticalSeparator: section.getAttribute( 'data-separator-vertical' ),
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notesSeparator: section.getAttribute( 'data-separator-notes' ),
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attributes: getForwardedAttributes( section )
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});
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}
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else {
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section.outerHTML = '<section data-state="alert">' +
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'ERROR: The attempt to fetch ' + url + ' failed with HTTP status ' + xhr.status + '.' +
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'Check your browser\'s JavaScript console for more details.' +
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'<p>Remember that you need to serve the presentation HTML from a HTTP server.</p>' +
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'</section>';
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}
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}
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};
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xhr.open( 'GET', url, false );
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try {
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xhr.send();
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}
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catch ( e ) {
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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 );
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}
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}
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else if( section.getAttribute( 'data-separator' ) || section.getAttribute( 'data-separator-vertical' ) || section.getAttribute( 'data-separator-notes' ) ) {
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section.outerHTML = slidify( getMarkdownFromSlide( section ), {
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separator: section.getAttribute( 'data-separator' ),
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verticalSeparator: section.getAttribute( 'data-separator-vertical' ),
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notesSeparator: section.getAttribute( 'data-separator-notes' ),
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attributes: getForwardedAttributes( section )
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});
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}
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else {
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section.innerHTML = createMarkdownSlide( getMarkdownFromSlide( section ) );
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||||
}
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||||
}
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||||
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}
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||||
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||||
/**
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* Check if a node value has the attributes pattern.
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* If yes, extract it and add that value as one or several attributes
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* the the terget element.
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||||
*
|
||||
* You need Cache Killer on Chrome to see the effect on any FOM transformation
|
||||
* directly on refresh (F5)
|
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* http://stackoverflow.com/questions/5690269/disabling-chrome-cache-for-website-development/7000899#answer-11786277
|
||||
*/
|
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function addAttributeInElement( node, elementTarget, separator ) {
|
||||
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var mardownClassesInElementsRegex = new RegExp( separator, 'mg' );
|
||||
var mardownClassRegex = new RegExp( "([^\"= ]+?)=\"([^\"=]+?)\"", 'mg' );
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||||
var nodeValue = node.nodeValue;
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||||
if( matches = mardownClassesInElementsRegex.exec( nodeValue ) ) {
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||||
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||||
var classes = matches[1];
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||||
nodeValue = nodeValue.substring( 0, matches.index ) + nodeValue.substring( mardownClassesInElementsRegex.lastIndex );
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||||
node.nodeValue = nodeValue;
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||||
while( matchesClass = mardownClassRegex.exec( classes ) ) {
|
||||
elementTarget.setAttribute( matchesClass[1], matchesClass[2] );
|
||||
}
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||||
return true;
|
||||
}
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||||
return false;
|
||||
}
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||||
|
||||
/**
|
||||
* Add attributes to the parent element of a text node,
|
||||
* or the element of an attribute node.
|
||||
*/
|
||||
function addAttributes( section, element, previousElement, separatorElementAttributes, separatorSectionAttributes ) {
|
||||
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||||
if ( element != null && element.childNodes != undefined && element.childNodes.length > 0 ) {
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||||
previousParentElement = element;
|
||||
for( var i = 0; i < element.childNodes.length; i++ ) {
|
||||
childElement = element.childNodes[i];
|
||||
if ( i > 0 ) {
|
||||
j = i - 1;
|
||||
while ( j >= 0 ) {
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||||
aPreviousChildElement = element.childNodes[j];
|
||||
if ( typeof aPreviousChildElement.setAttribute == 'function' && aPreviousChildElement.tagName != "BR" ) {
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||||
previousParentElement = aPreviousChildElement;
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||||
break;
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||||
}
|
||||
j = j - 1;
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||||
}
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||||
}
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||||
parentSection = section;
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||||
if( childElement.nodeName == "section" ) {
|
||||
parentSection = childElement ;
|
||||
previousParentElement = childElement ;
|
||||
}
|
||||
if ( typeof childElement.setAttribute == 'function' || childElement.nodeType == Node.COMMENT_NODE ) {
|
||||
addAttributes( parentSection, childElement, previousParentElement, separatorElementAttributes, separatorSectionAttributes );
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
if ( element.nodeType == Node.COMMENT_NODE ) {
|
||||
if ( addAttributeInElement( element, previousElement, separatorElementAttributes ) == false ) {
|
||||
addAttributeInElement( element, section, separatorSectionAttributes );
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* Converts any current data-markdown slides in the
|
||||
* DOM to HTML.
|
||||
*/
|
||||
function convertSlides() {
|
||||
|
||||
var sections = document.querySelectorAll( '[data-markdown]');
|
||||
|
||||
for( var i = 0, len = sections.length; i < len; i++ ) {
|
||||
|
||||
var section = sections[i];
|
||||
|
||||
// Only parse the same slide once
|
||||
if( !section.getAttribute( 'data-markdown-parsed' ) ) {
|
||||
|
||||
section.setAttribute( 'data-markdown-parsed', true )
|
||||
|
||||
var notes = section.querySelector( 'aside.notes' );
|
||||
var markdown = getMarkdownFromSlide( section );
|
||||
|
||||
section.innerHTML = marked( markdown );
|
||||
addAttributes( section, section, null, section.getAttribute( 'data-element-attributes' ) ||
|
||||
section.parentNode.getAttribute( 'data-element-attributes' ) ||
|
||||
DEFAULT_ELEMENT_ATTRIBUTES_SEPARATOR,
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||||
section.getAttribute( 'data-attributes' ) ||
|
||||
section.parentNode.getAttribute( 'data-attributes' ) ||
|
||||
DEFAULT_SLIDE_ATTRIBUTES_SEPARATOR);
|
||||
|
||||
// If there were notes, we need to re-add them after
|
||||
// having overwritten the section's HTML
|
||||
if( notes ) {
|
||||
section.appendChild( notes );
|
||||
}
|
||||
|
||||
}
|
||||
|
||||
}
|
||||
|
||||
}
|
||||
|
||||
// API
|
||||
return {
|
||||
|
||||
initialize: function() {
|
||||
if( typeof marked === 'undefined' ) {
|
||||
throw 'The reveal.js Markdown plugin requires marked to be loaded';
|
||||
}
|
||||
|
||||
if( typeof hljs !== 'undefined' ) {
|
||||
marked.setOptions({
|
||||
highlight: function( code, lang ) {
|
||||
return hljs.highlightAuto( code, [lang] ).value;
|
||||
}
|
||||
});
|
||||
}
|
||||
|
||||
var options = Reveal.getConfig().markdown;
|
||||
|
||||
if ( options ) {
|
||||
marked.setOptions( options );
|
||||
}
|
||||
|
||||
processSlides();
|
||||
convertSlides();
|
||||
},
|
||||
|
||||
// TODO: Do these belong in the API?
|
||||
processSlides: processSlides,
|
||||
convertSlides: convertSlides,
|
||||
slidify: slidify
|
||||
|
||||
};
|
||||
|
||||
}));
|
||||
@@ -0,0 +1,6 @@
|
||||
/**
|
||||
* marked - a markdown parser
|
||||
* Copyright (c) 2011-2014, Christopher Jeffrey. (MIT Licensed)
|
||||
* https://github.com/chjj/marked
|
||||
*/
|
||||
(function(){var block={newline:/^\n+/,code:/^( {4}[^\n]+\n*)+/,fences:noop,hr:/^( *[-*_]){3,} *(?:\n+|$)/,heading:/^ *(#{1,6}) *([^\n]+?) *#* *(?:\n+|$)/,nptable:noop,lheading:/^([^\n]+)\n *(=|-){2,} *(?:\n+|$)/,blockquote:/^( *>[^\n]+(\n(?!def)[^\n]+)*\n*)+/,list:/^( *)(bull) [\s\S]+?(?:hr|def|\n{2,}(?! )(?!\1bull )\n*|\s*$)/,html:/^ *(?:comment *(?:\n|\s*$)|closed *(?:\n{2,}|\s*$)|closing *(?:\n{2,}|\s*$))/,def:/^ *\[([^\]]+)\]: *<?([^\s>]+)>?(?: +["(]([^\n]+)[")])? *(?:\n+|$)/,table:noop,paragraph:/^((?:[^\n]+\n?(?!hr|heading|lheading|blockquote|tag|def))+)\n*/,text:/^[^\n]+/};block.bullet=/(?:[*+-]|\d+\.)/;block.item=/^( *)(bull) [^\n]*(?:\n(?!\1bull )[^\n]*)*/;block.item=replace(block.item,"gm")(/bull/g,block.bullet)();block.list=replace(block.list)(/bull/g,block.bullet)("hr","\\n+(?=\\1?(?:[-*_] *){3,}(?:\\n+|$))")("def","\\n+(?="+block.def.source+")")();block.blockquote=replace(block.blockquote)("def",block.def)();block._tag="(?!(?:"+"a|em|strong|small|s|cite|q|dfn|abbr|data|time|code"+"|var|samp|kbd|sub|sup|i|b|u|mark|ruby|rt|rp|bdi|bdo"+"|span|br|wbr|ins|del|img)\\b)\\w+(?!:/|[^\\w\\s@]*@)\\b";block.html=replace(block.html)("comment",/<!--[\s\S]*?-->/)("closed",/<(tag)[\s\S]+?<\/\1>/)("closing",/<tag(?:"[^"]*"|'[^']*'|[^'">])*?>/)(/tag/g,block._tag)();block.paragraph=replace(block.paragraph)("hr",block.hr)("heading",block.heading)("lheading",block.lheading)("blockquote",block.blockquote)("tag","<"+block._tag)("def",block.def)();block.normal=merge({},block);block.gfm=merge({},block.normal,{fences:/^ *(`{3,}|~{3,})[ \.]*(\S+)? *\n([\s\S]*?)\s*\1 *(?:\n+|$)/,paragraph:/^/,heading:/^ *(#{1,6}) +([^\n]+?) *#* *(?:\n+|$)/});block.gfm.paragraph=replace(block.paragraph)("(?!","(?!"+block.gfm.fences.source.replace("\\1","\\2")+"|"+block.list.source.replace("\\1","\\3")+"|")();block.tables=merge({},block.gfm,{nptable:/^ *(\S.*\|.*)\n *([-:]+ *\|[-| :]*)\n((?:.*\|.*(?:\n|$))*)\n*/,table:/^ *\|(.+)\n *\|( *[-:]+[-| :]*)\n((?: *\|.*(?:\n|$))*)\n*/});function Lexer(options){this.tokens=[];this.tokens.links={};this.options=options||marked.defaults;this.rules=block.normal;if(this.options.gfm){if(this.options.tables){this.rules=block.tables}else{this.rules=block.gfm}}}Lexer.rules=block;Lexer.lex=function(src,options){var lexer=new Lexer(options);return lexer.lex(src)};Lexer.prototype.lex=function(src){src=src.replace(/\r\n|\r/g,"\n").replace(/\t/g," ").replace(/\u00a0/g," ").replace(/\u2424/g,"\n");return this.token(src,true)};Lexer.prototype.token=function(src,top,bq){var src=src.replace(/^ +$/gm,""),next,loose,cap,bull,b,item,space,i,l;while(src){if(cap=this.rules.newline.exec(src)){src=src.substring(cap[0].length);if(cap[0].length>1){this.tokens.push({type:"space"})}}if(cap=this.rules.code.exec(src)){src=src.substring(cap[0].length);cap=cap[0].replace(/^ {4}/gm,"");this.tokens.push({type:"code",text:!this.options.pedantic?cap.replace(/\n+$/,""):cap});continue}if(cap=this.rules.fences.exec(src)){src=src.substring(cap[0].length);this.tokens.push({type:"code",lang:cap[2],text:cap[3]||""});continue}if(cap=this.rules.heading.exec(src)){src=src.substring(cap[0].length);this.tokens.push({type:"heading",depth:cap[1].length,text:cap[2]});continue}if(top&&(cap=this.rules.nptable.exec(src))){src=src.substring(cap[0].length);item={type:"table",header:cap[1].replace(/^ *| *\| *$/g,"").split(/ *\| */),align:cap[2].replace(/^ *|\| *$/g,"").split(/ *\| */),cells:cap[3].replace(/\n$/,"").split("\n")};for(i=0;i<item.align.length;i++){if(/^ *-+: *$/.test(item.align[i])){item.align[i]="right"}else if(/^ *:-+: *$/.test(item.align[i])){item.align[i]="center"}else if(/^ *:-+ *$/.test(item.align[i])){item.align[i]="left"}else{item.align[i]=null}}for(i=0;i<item.cells.length;i++){item.cells[i]=item.cells[i].split(/ *\| */)}this.tokens.push(item);continue}if(cap=this.rules.lheading.exec(src)){src=src.substring(cap[0].length);this.tokens.push({type:"heading",depth:cap[2]==="="?1:2,text:cap[1]});continue}if(cap=this.rules.hr.exec(src)){src=src.substring(cap[0].length);this.tokens.push({type:"hr"});continue}if(cap=this.rules.blockquote.exec(src)){src=src.substring(cap[0].length);this.tokens.push({type:"blockquote_start"});cap=cap[0].replace(/^ *> ?/gm,"");this.token(cap,top,true);this.tokens.push({type:"blockquote_end"});continue}if(cap=this.rules.list.exec(src)){src=src.substring(cap[0].length);bull=cap[2];this.tokens.push({type:"list_start",ordered:bull.length>1});cap=cap[0].match(this.rules.item);next=false;l=cap.length;i=0;for(;i<l;i++){item=cap[i];space=item.length;item=item.replace(/^ *([*+-]|\d+\.) +/,"");if(~item.indexOf("\n ")){space-=item.length;item=!this.options.pedantic?item.replace(new RegExp("^ {1,"+space+"}","gm"),""):item.replace(/^ {1,4}/gm,"")}if(this.options.smartLists&&i!==l-1){b=block.bullet.exec(cap[i+1])[0];if(bull!==b&&!(bull.length>1&&b.length>1)){src=cap.slice(i+1).join("\n")+src;i=l-1}}loose=next||/\n\n(?!\s*$)/.test(item);if(i!==l-1){next=item.charAt(item.length-1)==="\n";if(!loose)loose=next}this.tokens.pushLine truncated
|
||||
Reference in new issue
Block a user