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Patch
| revision 1.3 by wakaba, Sun Apr 20 10:02:43 2008 UTC | revision 1.21 by wakaba, Sun Jun 20 03:39:12 2010 UTC | |
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| # | Line 1 | Line 1 |
| 1 | <!DOCTYPE HTML> | <!DOCTYPE HTML> |
| 2 | <html lang=en> | <html lang=en> |
| 3 | <head> | <head> |
| 4 | <title>Demo of HTML5 Parsing Algorithm with Scripting Enabled</title> | <title>Live Scripting HTML Parser</title> |
| 5 | <link rel=author href="http://suika.fam.cx/~wakaba/who?"> | |
| 6 | <link rel=license href="http://suika.fam.cx/c/gnu/gpl" | |
| 7 | title="GNU GPL2 or later"> | |
| 8 | <style> | <style> |
| 9 | h1 { | |
| 10 | margin: 0; | |
| 11 | font-size: 150%; | |
| 12 | } | |
| 13 | h2 { | |
| 14 | margin: 0; | |
| 15 | font-size: 100%; | |
| 16 | } | |
| 17 | p { | |
| 18 | margin: 0 1em; | |
| 19 | } | |
| 20 | textarea { | textarea { |
| 21 | display: block; | width: 100%; |
| 22 | width: 80%; | -width: 99%; |
| 23 | margin-left: auto; | height: 10em; |
| margin-right: auto; | ||
| min-height: 20em; | ||
| 24 | } | } |
| 25 | output { | output { |
| 26 | display: block; | display: block; |
| 27 | font-family: monospace; | font-family: monospace; |
| 28 | white-space: pre; | white-space: -moz-pre-wrap; |
| 29 | white-space: pre-wrap; | |
| 30 | } | } |
| 31 | </style> | </style> |
| 32 | <script> | <script> |
| 33 | var delayedUpdater = 0; | |
| 34 | ||
| 35 | function update () { | function update () { |
| 36 | document.logElement.textContent = ''; | if (delayedUpdater) { |
| 37 | var p = new Parser (new InputStream (document.sourceElement.value)); | clearTimeout (delayedUpdater); |
| 38 | p.parse (); | delayedUpdater = 0; |
| 39 | log (dumpTree (p.doc, '')); | } |
| 40 | delayedUpdater = setTimeout (update2, 100); | |
| 41 | } // update | } // update |
| 42 | ||
| 43 | function update2 () { | |
| 44 | var v = document.sourceElement.value; | |
| 45 | if (v != document.previousSourceText) { | |
| 46 | document.previousSourceText = v; | |
| 47 | document.links['permalink'].href | |
| 48 | = location.pathname + '?s=' + encodeURIComponent (v); | |
| 49 | document.links['ldvlink'].href | |
| 50 | = 'http://software.hixie.ch/utilities/js/live-dom-viewer/?' | |
| 51 | + encodeURIComponent (v); | |
| 52 | ||
| 53 | document.logElement.textContent = ''; | |
| 54 | var p = new Parser (new InputStream (v)); | |
| 55 | var doc = p.doc; | |
| 56 | p.parse (); | |
| 57 | ||
| 58 | log (dumpTree (doc, '')); | |
| 59 | ||
| 60 | if (p.hasAsyncScript) { | |
| 61 | log ('Some script codes are executed asynchronously; it means that the document might be rendered in different ways depending on the network condition and other factors'); | |
| 62 | } | |
| 63 | } | |
| 64 | } // update2 | |
| 65 | ||
| 66 | var logIndentLevel = 0; | |
| 67 | function log (s) { | function log (s) { |
| 68 | var indent = ''; | |
| 69 | for (var i = 0; i < logIndentLevel; i++) { | |
| 70 | indent += ' '; | |
| 71 | } | |
| 72 | s = indent + s.replace (/\n/g, "\n" + indent); | |
| 73 | document.logElement.appendChild (document.createTextNode (s + "\n")); | document.logElement.appendChild (document.createTextNode (s + "\n")); |
| 74 | } // log | } // log |
| 75 | ||
| # | Line 32 | Line 77 |
| 77 | this.s = s; | this.s = s; |
| 78 | } // InputStream | } // InputStream |
| 79 | ||
| 80 | function Parser (i) { | function Parser (i, doc) { |
| 81 | this.parseMode = 'pcdata'; | this.parseMode = 'pcdata'; |
| 82 | this.doc = new JSDocument (this); | if (!doc) { |
| 83 | this.openElements = [this.doc]; | doc = new JSDocument (this); |
| 84 | this.in = i; | doc.manakaiIsHTML = true; |
| 85 | } | |
| 86 | this.nextToken = []; | |
| 87 | this.doc = doc; | |
| 88 | this.openElements = [doc]; | |
| 89 | this.input = i; | |
| 90 | this.scriptsExecutedAfterParsing = []; | |
| 91 | this.scriptsExecutedSoon = []; | |
| 92 | this.scriptsExecutedAsynchronously = []; | |
| 93 | } // Parser | } // Parser |
| 94 | ||
| 95 | Parser.prototype.getNextToken = function () { | Parser.prototype.getNextToken = function () { |
| 96 | if (this.nextToken.length) { | |
| 97 | return this.nextToken.shift (); | |
| 98 | } | |
| 99 | ||
| 100 | var p = this; | var p = this; |
| 101 | var i = this.in; | var i = this.input; |
| 102 |