2077 lines
61 KiB
JavaScript
2077 lines
61 KiB
JavaScript
/**
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* SyntaxHighlighter
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* http://alexgorbatchev.com/
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*
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* SyntaxHighlighter is donationware. If you are using it, please donate.
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* http://alexgorbatchev.com/wiki/SyntaxHighlighter:Donate
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*
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* @version
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* 2.1.364 (October 15 2009)
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*
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* @copyright
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* Copyright (C) 2004-2009 Alex Gorbatchev.
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*
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* @license
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* This file is part of SyntaxHighlighter.
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*
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* SyntaxHighlighter is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Lesser General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* SyntaxHighlighter is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with SyntaxHighlighter. If not, see <http://www.gnu.org/copyleft/lesser.html>.
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*/
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//
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// Begin anonymous function. This is used to contain local scope variables without polutting global scope.
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//
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if (!window.SyntaxHighlighter) var SyntaxHighlighter = function() {
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// Shortcut object which will be assigned to the SyntaxHighlighter variable.
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// This is a shorthand for local reference in order to avoid long namespace
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// references to SyntaxHighlighter.whatever...
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var sh = {
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defaults : {
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/** Additional CSS class names to be added to highlighter elements. */
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'class-name' : '',
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/** First line number. */
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'first-line' : 1,
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/**
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* Pads line numbers. Possible values are:
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*
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* false - don't pad line numbers.
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* true - automaticaly pad numbers with minimum required number of leading zeroes.
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* [int] - length up to which pad line numbers.
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*/
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'pad-line-numbers' : true,
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/** Lines to highlight. */
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'highlight' : null,
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/** Enables or disables smart tabs. */
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'smart-tabs' : true,
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/** Gets or sets tab size. */
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'tab-size' : 4,
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/** Enables or disables gutter. */
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'gutter' : true,
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/** Enables or disables toolbar. */
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'toolbar' : true,
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/** Forces code view to be collapsed. */
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'collapse' : false,
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/** Enables or disables automatic links. */
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'auto-links' : true,
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/** Gets or sets light mode. Equavalent to turning off gutter and toolbar. */
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'light' : false,
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/** Enables or disables automatic line wrapping. */
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'wrap-lines' : true,
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'html-script' : false
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},
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config : {
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/** Enables use of <SCRIPT type="syntaxhighlighter" /> tags. */
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useScriptTags : true,
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/** Path to the copy to clipboard SWF file. */
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clipboardSwf : null,
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/** Width of an item in the toolbar. */
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toolbarItemWidth : 16,
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/** Height of an item in the toolbar. */
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toolbarItemHeight : 16,
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/** Blogger mode flag. */
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bloggerMode : false,
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stripBrs : false,
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/** Name of the tag that SyntaxHighlighter will automatically look for. */
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tagName : 'pre',
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strings : {
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expandSource : 'show source',
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viewSource : 'view source',
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copyToClipboard : 'copy to clipboard',
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copyToClipboardConfirmation : 'The code is in your clipboard now',
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print : 'print',
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help : '?',
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alert: 'SyntaxHighlighter\n\n',
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noBrush : 'Can\'t find brush for: ',
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brushNotHtmlScript : 'Brush wasn\'t configured for html-script option: ',
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// this is populated by the build script
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aboutDialog : '<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"><html xmlns="http://www.w3.org/1999/xhtml"><head><meta http-equiv="Content-Type" content="text/html; charset=utf-8" /><title>About SyntaxHighlighter</title></head><body style="font-family:Geneva,Arial,Helvetica,sans-serif;background-color:#fff;color:#000;font-size:1em;text-align:center;"><div style="text-align:center;margin-top:2em;"><div style="font-size:xx-large;">SyntaxHighlighter</div><div style="font-size:.75em;margin-bottom:4em;"><div>version 2.1.364 (October 15 2009)</div><div><a href="http://alexgorbatchev.com" target="_blank" style="color:#0099FF;text-decoration:none;">http://alexgorbatchev.com</a></div><div>If you like this script, please <a href="https://www.paypal.com/cgi-bin/webscr?cmd=_s-xclick&hosted_button_id=2930402" style="color:#0099FF;text-decoration:none;">donate</a> to keep development active!</div></div><div>JavaScript code syntax highlighter.</div><div>Copyright 2004-2009 Alex Gorbatchev.</div><div style="font-size:0.75em;margin-top:1em;">S9y plugin by Brendon Kozlowski and J.M. Roth</div></div></body></html>'
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},
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/** If true, output will show HTML produces instead. */
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debug : false
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},
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/** Internal 'global' variables. */
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vars : {
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discoveredBrushes : null,
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spaceWidth : null,
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printFrame : null,
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highlighters : {}
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},
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/** This object is populated by user included external brush files. */
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brushes : {},
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/** Common regular expressions. */
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regexLib : {
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multiLineCComments : /\/\*[\s\S]*?\*\//gm,
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singleLineCComments : /\/\/.*$/gm,
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singleLinePerlComments : /#.*$/gm,
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doubleQuotedString : /"([^\\"\n]|\\.)*"/g,
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singleQuotedString : /'([^\\'\n]|\\.)*'/g,
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multiLineDoubleQuotedString : /"([^\\"]|\\.)*"/g,
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multiLineSingleQuotedString : /'([^\\']|\\.)*'/g,
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xmlComments : /(<|<)!--[\s\S]*?--(>|>)/gm,
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url : /<\w+:\/\/[\w-.\/?%&=@:;]*>|\w+:\/\/[\w-.\/?%&=@:;]*/g,
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/** <?= ?> tags. */
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phpScriptTags : { left: /(<|<)\?=?/g, right: /\?(>|>)/g },
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/** <%= %> tags. */
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aspScriptTags : { left: /(<|<)%=?/g, right: /%(>|>)/g },
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/** <script></script> tags. */
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scriptScriptTags : { left: /(<|<)\s*script.*?(>|>)/gi, right: /(<|<)\/\s*script\s*(>|>)/gi }
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},
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toolbar : {
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/**
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* Creates new toolbar for a highlighter.
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* @param {Highlighter} highlighter Target highlighter.
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*/
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create : function(highlighter)
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{
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var div = document.createElement('DIV'),
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items = sh.toolbar.items
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;
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div.className = 'toolbar';
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for (var name in items)
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{
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var constructor = items[name],
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command = new constructor(highlighter),
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element = command.create()
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;
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highlighter.toolbarCommands[name] = command;
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if (element == null)
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continue;
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if (typeof(element) == 'string')
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element = sh.toolbar.createButton(element, highlighter.id, name);
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element.className += 'item ' + name;
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div.appendChild(element);
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}
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return div;
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},
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/**
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* Create a standard anchor button for the toolbar.
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* @param {String} label Label text to display.
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* @param {String} highlighterId Highlighter ID that this button would belong to.
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* @param {String} commandName Command name that would be executed.
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* @return {Element} Returns an 'A' element.
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*/
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createButton : function(label, highlighterId, commandName)
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{
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var a = document.createElement('a'),
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style = a.style,
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config = sh.config,
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width = config.toolbarItemWidth,
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height = config.toolbarItemHeight
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;
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a.href = '#' + commandName;
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a.title = label;
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a.highlighterId = highlighterId;
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a.commandName = commandName;
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a.innerHTML = label;
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if (isNaN(width) == false)
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style.width = width + 'px';
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if (isNaN(height) == false)
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style.height = height + 'px';
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a.onclick = function(e)
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{
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try
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{
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sh.toolbar.executeCommand(
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this,
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e || window.event,
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this.highlighterId,
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this.commandName
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);
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}
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catch(e)
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{
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sh.utils.alert(e.message);
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}
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return false;
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};
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return a;
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},
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/**
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* Executes a toolbar command.
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* @param {Element} sender Sender element.
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* @param {MouseEvent} event Original mouse event object.
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* @param {String} highlighterId Highlighter DIV element ID.
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* @param {String} commandName Name of the command to execute.
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* @return {Object} Passes out return value from command execution.
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*/
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executeCommand : function(sender, event, highlighterId, commandName, args)
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{
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var highlighter = sh.vars.highlighters[highlighterId],
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command
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;
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if (highlighter == null || (command = highlighter.toolbarCommands[commandName]) == null)
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return null;
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return command.execute(sender, event, args);
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},
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/** Collection of toolbar items. */
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items : {
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expandSource : function(highlighter)
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{
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this.create = function()
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{
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if (highlighter.getParam('collapse') != true)
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return;
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return sh.config.strings.expandSource;
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};
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this.execute = function(sender, event, args)
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{
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var div = highlighter.div;
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sender.parentNode.removeChild(sender);
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div.className = div.className.replace('collapsed', '');
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};
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},
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/**
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* Command to open a new window and display the original unformatted source code inside.
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*/
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viewSource : function(highlighter)
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{
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this.create = function()
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{
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return sh.config.strings.viewSource;
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};
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this.execute = function(sender, event, args)
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{
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var code = sh.utils.fixInputString(highlighter.originalCode).replace(/</g, '<'),
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wnd = sh.utils.popup('', '_blank', 750, 400, 'location=0, resizable=1, menubar=0, scrollbars=1')
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;
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code = sh.utils.unindent(code);
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wnd.document.write('<pre>' + code + '</pre>');
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wnd.document.close();
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};
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},
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/**
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* Command to copy the original source code in to the clipboard.
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* Uses Flash method if <code>clipboardSwf</code> is configured.
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*/
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copyToClipboard : function(highlighter)
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{
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var flashDiv, flashSwf,
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highlighterId = highlighter.id
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;
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this.create = function()
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{
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var config = sh.config;
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// disable functionality if running locally
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if (config.clipboardSwf == null)
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return null;
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function params(list)
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{
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var result = '';
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for (var name in list)
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result += "<param name='" + name + "' value='" + list[name] + "'/>";
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return result;
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};
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function attributes(list)
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{
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var result = '';
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for (var name in list)
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result += " " + name + "='" + list[name] + "'";
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return result;
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};
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var args1 = {
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width : config.toolbarItemWidth,
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height : config.toolbarItemHeight,
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id : highlighterId + '_clipboard',
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type : 'application/x-shockwave-flash',
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title : sh.config.strings.copyToClipboard
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},
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// these arguments are used in IE's <param /> collection
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args2 = {
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allowScriptAccess : 'always',
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wmode : 'transparent',
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flashVars : 'highlighterId=' + highlighterId,
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menu : 'false'
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},
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swf = config.clipboardSwf,
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html
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;
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if (/msie/i.test(navigator.userAgent))
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{
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html = '<object'
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+ attributes({
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classid : 'clsid:d27cdb6e-ae6d-11cf-96b8-444553540000',
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codebase : 'http://download.macromedia.com/pub/shockwave/cabs/flash/swflash.cab#version=9,0,0,0'
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})
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+ attributes(args1)
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+ '>'
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+ params(args2)
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+ params({ movie : swf })
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+ '</object>'
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;
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}
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else
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{
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html = '<embed'
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+ attributes(args1)
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+ attributes(args2)
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+ attributes({ src : swf })
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+ '/>'
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;
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}
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flashDiv = document.createElement('div');
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flashDiv.innerHTML = html;
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return flashDiv;
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};
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this.execute = function(sender, event, args)
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{
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var command = args.command;
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switch (command)
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{
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case 'get':
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var code = sh.utils.unindent(
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sh.utils.fixInputString(highlighter.originalCode)
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.replace(/</g, '<')
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.replace(/>/g, '>')
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.replace(/&/g, '&')
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);
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if(window.clipboardData)
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// will fall through to the confirmation because there isn't a break
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window.clipboardData.setData('text', code);
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else
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return sh.utils.unindent(code);
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case 'ok':
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sh.utils.alert(sh.config.strings.copyToClipboardConfirmation);
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break;
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case 'error':
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sh.utils.alert(args.message);
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break;
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}
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};
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},
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/** Command to print the colored source code. */
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printSource : function(highlighter)
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{
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this.create = function()
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{
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return sh.config.strings.print;
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};
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this.execute = function(sender, event, args)
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{
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var iframe = document.createElement('IFRAME'),
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doc = null
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;
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// make sure there is never more than one hidden iframe created by SH
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if (sh.vars.printFrame != null)
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document.body.removeChild(sh.vars.printFrame);
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sh.vars.printFrame = iframe;
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// this hides the iframe
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iframe.style.cssText = 'position:absolute;width:0px;height:0px;left:-500px;top:-500px;';
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document.body.appendChild(iframe);
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doc = iframe.contentWindow.document;
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copyStyles(doc, window.document);
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doc.write('<div class="' + highlighter.div.className.replace('collapsed', '') + ' printing">' + highlighter.div.innerHTML + '</div>');
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doc.close();
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iframe.contentWindow.focus();
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iframe.contentWindow.print();
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function copyStyles(destDoc, sourceDoc)
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{
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var links = sourceDoc.getElementsByTagName('link');
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for(var i = 0; i < links.length; i++)
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if(links[i].rel.toLowerCase() == 'stylesheet' && /shCore\.css$/.test(links[i].href))
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destDoc.write('<link type="text/css" rel="stylesheet" href="' + links[i].href + '"></link>');
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};
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};
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},
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|
|
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/** Command to display the about dialog window. */
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about : function(highlighter)
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{
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this.create = function()
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{
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return sh.config.strings.help;
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};
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this.execute = function(sender, event)
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{
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var wnd = sh.utils.popup('', '_blank', 500, 250, 'scrollbars=0'),
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doc = wnd.document
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;
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doc.write(sh.config.strings.aboutDialog);
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doc.close();
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wnd.focus();
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};
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}
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}
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},
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utils : {
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/**
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* Finds an index of element in the array.
|
|
* @ignore
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|
* @param {Object} searchElement
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* @param {Number} fromIndex
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* @return {Number} Returns index of element if found; -1 otherwise.
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*/
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indexOf : function(array, searchElement, fromIndex)
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{
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fromIndex = Math.max(fromIndex || 0, 0);
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for (var i = fromIndex; i < array.length; i++)
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if(array[i] == searchElement)
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return i;
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return -1;
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},
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/**
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* Generates a unique element ID.
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*/
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guid : function(prefix)
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{
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return prefix + Math.round(Math.random() * 1000000).toString();
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},
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/**
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* Merges two objects. Values from obj2 override values in obj1.
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|
* Function is NOT recursive and works only for one dimensional objects.
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|
* @param {Object} obj1 First object.
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* @param {Object} obj2 Second object.
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* @return {Object} Returns combination of both objects.
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*/
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merge: function(obj1, obj2)
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{
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var result = {}, name;
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for (name in obj1)
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result[name] = obj1[name];
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for (name in obj2)
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result[name] = obj2[name];
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return result;
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},
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|
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/**
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* Attempts to convert string to boolean.
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|
* @param {String} value Input string.
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|
* @return {Boolean} Returns true if input was "true", false if input was "false" and value otherwise.
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*/
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toBoolean: function(value)
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{
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switch (value)
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{
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case "true":
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return true;
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case "false":
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return false;
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}
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return value;
|
|
},
|
|
|
|
/**
|
|
* Opens up a centered popup window.
|
|
* @param {String} url URL to open in the window.
|
|
* @param {String} name Popup name.
|
|
* @param {int} width Popup width.
|
|
* @param {int} height Popup height.
|
|
* @param {String} options window.open() options.
|
|
* @return {Window} Returns window instance.
|
|
*/
|
|
popup: function(url, name, width, height, options)
|
|
{
|
|
var x = (screen.width - width) / 2,
|
|
y = (screen.height - height) / 2
|
|
;
|
|
|
|
options += ', left=' + x +
|
|
', top=' + y +
|
|
', width=' + width +
|
|
', height=' + height
|
|
;
|
|
options = options.replace(/^,/, '');
|
|
|
|
var win = window.open(url, name, options);
|
|
win.focus();
|
|
return win;
|
|
},
|
|
|
|
/**
|
|
* Adds event handler to the target object.
|
|
* @param {Object} obj Target object.
|
|
* @param {String} type Name of the event.
|
|
* @param {Function} func Handling function.
|
|
*/
|
|
addEvent: function(obj, type, func)
|
|
{
|
|
if (obj.attachEvent)
|
|
{
|
|
obj['e' + type + func] = func;
|
|
obj[type + func] = function()
|
|
{
|
|
obj['e' + type + func](window.event);
|
|
}
|
|
obj.attachEvent('on' + type, obj[type + func]);
|
|
}
|
|
else
|
|
{
|
|
obj.addEventListener(type, func, false);
|
|
}
|
|
},
|
|
|
|
/**
|
|
* Displays an alert.
|
|
* @param {String} str String to display.
|
|
*/
|
|
alert: function(str)
|
|
{
|
|
alert(sh.config.strings.alert + str)
|
|
},
|
|
|
|
/**
|
|
* Finds a brush by its alias.
|
|
*
|
|
* @param {String} alias Brush alias.
|
|
* @param {Boolean} alert Suppresses the alert if false.
|
|
* @return {Brush} Returns bursh constructor if found, null otherwise.
|
|
*/
|
|
findBrush: function(alias, alert)
|
|
{
|
|
var brushes = sh.vars.discoveredBrushes,
|
|
result = null
|
|
;
|
|
|
|
if (brushes == null)
|
|
{
|
|
brushes = {};
|
|
|
|
// Find all brushes
|
|
for (var brush in sh.brushes)
|
|
{
|
|
var aliases = sh.brushes[brush].aliases;
|
|
|
|
if (aliases == null)
|
|
continue;
|
|
|
|
// keep the brush name
|
|
sh.brushes[brush].name = brush.toLowerCase();
|
|
|
|
for (var i = 0; i < aliases.length; i++)
|
|
brushes[aliases[i]] = brush;
|
|
}
|
|
|
|
sh.vars.discoveredBrushes = brushes;
|
|
}
|
|
|
|
result = sh.brushes[brushes[alias]];
|
|
|
|
if (result == null && alert != false)
|
|
sh.utils.alert(sh.config.strings.noBrush + alias);
|
|
|
|
return result;
|
|
},
|
|
|
|
/**
|
|
* Executes a callback on each line and replaces each line with result from the callback.
|
|
* @param {Object} str Input string.
|
|
* @param {Object} callback Callback function taking one string argument and returning a string.
|
|
*/
|
|
eachLine: function(str, callback)
|
|
{
|
|
var lines = str.split('\n');
|
|
|
|
for (var i = 0; i < lines.length; i++)
|
|
lines[i] = callback(lines[i]);
|
|
|
|
return lines.join('\n');
|
|
},
|
|
|
|
/**
|
|
* This is a special trim which only removes first and last empty lines
|
|
* and doesn't affect valid leading space on the first line.
|
|
*
|
|
* @param {String} str Input string
|
|
* @return {String} Returns string without empty first and last lines.
|
|
*/
|
|
trimFirstAndLastLines: function(str)
|
|
{
|
|
return str.replace(/^[ ]*[\n]+|[\n]*[ ]*$/g, '');
|
|
},
|
|
|
|
/**
|
|
* Parses key/value pairs into hash object.
|
|
*
|
|
* Understands the following formats:
|
|
* - name: word;
|
|
* - name: [word, word];
|
|
* - name: "string";
|
|
* - name: 'string';
|
|
*
|
|
* For example:
|
|
* name1: value; name2: [value, value]; name3: 'value'
|
|
*
|
|
* @param {String} str Input string.
|
|
* @return {Object} Returns deserialized object.
|
|
*/
|
|
parseParams: function(str)
|
|
{
|
|
var match,
|
|
result = {},
|
|
arrayRegex = new XRegExp("^\\[(?<values>(.*?))\\]$"),
|
|
regex = new XRegExp(
|
|
"(?<name>[\\w-]+)" +
|
|
"\\s*:\\s*" +
|
|
"(?<value>" +
|
|
"[\\w-%#]+|" + // word
|
|
"\\[.*?\\]|" + // [] array
|
|
'".*?"|' + // "" string
|
|
"'.*?'" + // '' string
|
|
")\\s*;?",
|
|
"g"
|
|
)
|
|
;
|
|
|
|
while ((match = regex.exec(str)) != null)
|
|
{
|
|
var value = match.value
|
|
.replace(/^['"]|['"]$/g, '') // strip quotes from end of strings
|
|
;
|
|
|
|
// try to parse array value
|
|
if (value != null && arrayRegex.test(value))
|
|
{
|
|
var m = arrayRegex.exec(value);
|
|
value = m.values.length > 0 ? m.values.split(/\s*,\s*/) : [];
|
|
}
|
|
|
|
result[match.name] = value;
|
|
}
|
|
|
|
return result;
|
|
},
|
|
|
|
/**
|
|
* Wraps each line of the string into <code/> tag with given style applied to it.
|
|
*
|
|
* @param {String} str Input string.
|
|
* @param {String} css Style name to apply to the string.
|
|
* @return {String} Returns input string with each line surrounded by <span/> tag.
|
|
*/
|
|
decorate: function(str, css)
|
|
{
|
|
if (str == null || str.length == 0 || str == '\n')
|
|
return str;
|
|
|
|
str = str.replace(/</g, '<');
|
|
|
|
// Replace two or more sequential spaces with leaving last space untouched.
|
|
str = str.replace(/ {2,}/g, function(m)
|
|
{
|
|
var spaces = '';
|
|
|
|
for (var i = 0; i < m.length - 1; i++)
|
|
spaces += ' ';
|
|
|
|
return spaces + ' ';
|
|
});
|
|
|
|
// Split each line and apply <span class="...">...</span> to them so that
|
|
// leading spaces aren't included.
|
|
if (css != null)
|
|
str = sh.utils.eachLine(str, function(line)
|
|
{
|
|
if (line.length == 0)
|
|
return '';
|
|
|
|
var spaces = '';
|
|
|
|
line = line.replace(/^( | )+/, function(s)
|
|
{
|
|
spaces = s;
|
|
return '';
|
|
});
|
|
|
|
if (line.length == 0)
|
|
return spaces;
|
|
|
|
return spaces + '<code class="' + css + '">' + line + '</code>';
|
|
});
|
|
|
|
return str;
|
|
},
|
|
|
|
/**
|
|
* Pads number with zeros until it's length is the same as given length.
|
|
*
|
|
* @param {Number} number Number to pad.
|
|
* @param {Number} length Max string length with.
|
|
* @return {String} Returns a string padded with proper amount of '0'.
|
|
*/
|
|
padNumber : function(number, length)
|
|
{
|
|
var result = number.toString();
|
|
|
|
while (result.length < length)
|
|
result = '0' + result;
|
|
|
|
return result;
|
|
},
|
|
|
|
/**
|
|
* Measures width of a single space character.
|
|
* @return {Number} Returns width of a single space character.
|
|
*/
|
|
measureSpace : function()
|
|
{
|
|
var container = document.createElement('div'),
|
|
span,
|
|
result = 0,
|
|
body = document.body,
|
|
id = sh.utils.guid('measureSpace'),
|
|
|
|
// variable names will be compressed, so it's better than a plain string
|
|
divOpen = '<div class="',
|
|
closeDiv = '</div>',
|
|
closeSpan = '</span>'
|
|
;
|
|
|
|
// we have to duplicate highlighter nested structure in order to get an acurate space measurment
|
|
container.innerHTML =
|
|
divOpen + 'syntaxhighlighter">'
|
|
+ divOpen + 'lines">'
|
|
+ divOpen + 'line">'
|
|
+ divOpen + 'content'
|
|
+ '"><span class="block"><span id="' + id + '"> ' + closeSpan + closeSpan
|
|
+ closeDiv
|
|
+ closeDiv
|
|
+ closeDiv
|
|
+ closeDiv
|
|
;
|
|
|
|
body.appendChild(container);
|
|
span = document.getElementById(id);
|
|
|
|
if (/opera/i.test(navigator.userAgent))
|
|
{
|
|
var style = window.getComputedStyle(span, null);
|
|
result = parseInt(style.getPropertyValue("width"));
|
|
}
|
|
else
|
|
{
|
|
result = span.offsetWidth;
|
|
}
|
|
|
|
body.removeChild(container);
|
|
|
|
return result;
|
|
},
|
|
|
|
/**
|
|
* Replaces tabs with spaces.
|
|
*
|
|
* @param {String} code Source code.
|
|
* @param {Number} tabSize Size of the tab.
|
|
* @return {String} Returns code with all tabs replaces by spaces.
|
|
*/
|
|
processTabs : function(code, tabSize)
|
|
{
|
|
var tab = '';
|
|
|
|
for (var i = 0; i < tabSize; i++)
|
|
tab += ' ';
|
|
|
|
return code.replace(/\t/g, tab);
|
|
},
|
|
|
|
/**
|
|
* Replaces tabs with smart spaces.
|
|
*
|
|
* @param {String} code Code to fix the tabs in.
|
|
* @param {Number} tabSize Number of spaces in a column.
|
|
* @return {String} Returns code with all tabs replaces with roper amount of spaces.
|
|
*/
|
|
processSmartTabs : function(code, tabSize)
|
|
{
|
|
var lines = code.split('\n'),
|
|
tab = '\t',
|
|
spaces = ''
|
|
;
|
|
|
|
// Create a string with 1000 spaces to copy spaces from...
|
|
// It's assumed that there would be no indentation longer than that.
|
|
for (var i = 0; i < 50; i++)
|
|
spaces += ' '; // 20 spaces * 50
|
|
|
|
// This function inserts specified amount of spaces in the string
|
|
// where a tab is while removing that given tab.
|
|
function insertSpaces(line, pos, count)
|
|
{
|
|
return line.substr(0, pos)
|
|
+ spaces.substr(0, count)
|
|
+ line.substr(pos + 1, line.length) // pos + 1 will get rid of the tab
|
|
;
|
|
};
|
|
|
|
// Go through all the lines and do the 'smart tabs' magic.
|
|
code = sh.utils.eachLine(code, function(line)
|
|
{
|
|
if (line.indexOf(tab) == -1)
|
|
return line;
|
|
|
|
var pos = 0;
|
|
|
|
while ((pos = line.indexOf(tab)) != -1)
|
|
{
|
|
// This is pretty much all there is to the 'smart tabs' logic.
|
|
// Based on the position within the line and size of a tab,
|
|
// calculate the amount of spaces we need to insert.
|
|
var spaces = tabSize - pos % tabSize;
|
|
line = insertSpaces(line, pos, spaces);
|
|
}
|
|
|
|
return line;
|
|
});
|
|
|
|
return code;
|
|
},
|
|
|
|
/**
|
|
* Performs various string fixes based on configuration.
|
|
*/
|
|
fixInputString : function(str)
|
|
{
|
|
var br = /<br\s*\/?>|<br\s*\/?>/gi;
|
|
|
|
if (sh.config.bloggerMode == true)
|
|
str = str.replace(br, '\n');
|
|
|
|
if (sh.config.stripBrs == true)
|
|
str = str.replace(br, '');
|
|
|
|
return str;
|
|
},
|
|
|
|
/**
|
|
* Removes all white space at the begining and end of a string.
|
|
*
|
|
* @param {String} str String to trim.
|
|
* @return {String} Returns string without leading and following white space characters.
|
|
*/
|
|
trim: function(str)
|
|
{
|
|
return str.replace(/^\s+|\s+$/g, '');
|
|
},
|
|
|
|
/**
|
|
* Unindents a block of text by the lowest common indent amount.
|
|
* @param {String} str Text to unindent.
|
|
* @return {String} Returns unindented text block.
|
|
*/
|
|
unindent: function(str)
|
|
{
|
|
var lines = sh.utils.fixInputString(str).split('\n'),
|
|
indents = new Array(),
|
|
regex = /^\s*/,
|
|
min = 1000
|
|
;
|
|
|
|
// go through every line and check for common number of indents
|
|
for (var i = 0; i < lines.length && min > 0; i++)
|
|
{
|
|
var line = lines[i];
|
|
|
|
if (sh.utils.trim(line).length == 0)
|
|
continue;
|
|
|
|
var matches = regex.exec(line);
|
|
|
|
// In the event that just one line doesn't have leading white space
|
|
// we can't unindent anything, so bail completely.
|
|
if (matches == null)
|
|
return str;
|
|
|
|
min = Math.min(matches[0].length, min);
|
|
}
|
|
|
|
// trim minimum common number of white space from the begining of every line
|
|
if (min > 0)
|
|
for (var i = 0; i < lines.length; i++)
|
|
lines[i] = lines[i].substr(min);
|
|
|
|
return lines.join('\n');
|
|
},
|
|
|
|
/**
|
|
* Callback method for Array.sort() which sorts matches by
|
|
* index position and then by length.
|
|
*
|
|
* @param {Match} m1 Left object.
|
|
* @param {Match} m2 Right object.
|
|
* @return {Number} Returns -1, 0 or -1 as a comparison result.
|
|
*/
|
|
matchesSortCallback: function(m1, m2)
|
|
{
|
|
// sort matches by index first
|
|
if(m1.index < m2.index)
|
|
return -1;
|
|
else if(m1.index > m2.index)
|
|
return 1;
|
|
else
|
|
{
|
|
// if index is the same, sort by length
|
|
if(m1.length < m2.length)
|
|
return -1;
|
|
else if(m1.length > m2.length)
|
|
return 1;
|
|
}
|
|
|
|
return 0;
|
|
},
|
|
|
|
/**
|
|
* Executes given regular expression on provided code and returns all
|
|
* matches that are found.
|
|
*
|
|
* @param {String} code Code to execute regular expression on.
|
|
* @param {Object} regex Regular expression item info from <code>regexList</code> collection.
|
|
* @return {Array} Returns a list of Match objects.
|
|
*/
|
|
getMatches: function(code, regexInfo)
|
|
{
|
|
function defaultAdd(match, regexInfo)
|
|
{
|
|
return [new sh.Match(match[0], match.index, regexInfo.css)];
|
|
};
|
|
|
|
var index = 0,
|
|
match = null,
|
|
result = [],
|
|
func = regexInfo.func ? regexInfo.func : defaultAdd
|
|
;
|
|
|
|
while((match = regexInfo.regex.exec(code)) != null)
|
|
result = result.concat(func(match, regexInfo));
|
|
|
|
return result;
|
|
},
|
|
|
|
processUrls: function(code)
|
|
{
|
|
var lt = '<',
|
|
gt = '>'
|
|
;
|
|
|
|
return code.replace(sh.regexLib.url, function(m)
|
|
{
|
|
var suffix = '', prefix = '';
|
|
|
|
// We include < and > in the URL for the common cases like <http://google.com>
|
|
// The problem is that they get transformed into <http://google.com>
|
|
// Where as > easily looks like part of the URL string.
|
|
|
|
if (m.indexOf(lt) == 0)
|
|
{
|
|
prefix = lt;
|
|
m = m.substring(lt.length);
|
|
}
|
|
|
|
if (m.indexOf(gt) == m.length - gt.length)
|
|
{
|
|
m = m.substring(0, m.length - gt.length);
|
|
suffix = gt;
|
|
}
|
|
|
|
return prefix + '<a href="' + m + '">' + m + '</a>' + suffix;
|
|
});
|
|
},
|
|
|
|
/**
|
|
* Finds all <SCRIPT TYPE="syntaxhighlighter" /> elements.
|
|
* @return {Array} Returns array of all found SyntaxHighlighter tags.
|
|
*/
|
|
getSyntaxHighlighterScriptTags: function()
|
|
{
|
|
var tags = document.getElementsByTagName('script'),
|
|
result = []
|
|
;
|
|
|
|
for (var i = 0; i < tags.length; i++)
|
|
if (tags[i].type == 'syntaxhighlighter')
|
|
result.push(tags[i]);
|
|
|
|
return result;
|
|
},
|
|
|
|
/**
|
|
* Strips <![CDATA[]]> from <SCRIPT /> content because it should be used
|
|
* there in most cases for XHTML compliance.
|
|
* @param {String} original Input code.
|
|
* @return {String} Returns code without leading <![CDATA[]]> tags.
|
|
*/
|
|
stripCData: function(original)
|
|
{
|
|
var left = '<![CDATA[',
|
|
right = ']]>',
|
|
// for some reason IE inserts some leading blanks here
|
|
copy = sh.utils.trim(original),
|
|
changed = false
|
|
;
|
|
|
|
if (copy.indexOf(left) == 0)
|
|
{
|
|
copy = copy.substring(left.length);
|
|
changed = true;
|
|
}
|
|
|
|
if (copy.indexOf(right) == copy.length - right.length)
|
|
{
|
|
copy = copy.substring(0, copy.length - right.length);
|
|
changed = true;
|
|
}
|
|
|
|
return changed ? copy : original;
|
|
}
|
|
}, // end of utils
|
|
|
|
/**
|
|
* Shorthand to highlight all elements on the page that are marked as
|
|
* SyntaxHighlighter source code.
|
|
*
|
|
* @param {Object} globalParams Optional parameters which override element's
|
|
* parameters. Only used if element is specified.
|
|
*
|
|
* @param {Object} element Optional element to highlight. If none is
|
|
* provided, all elements in the current document
|
|
* are highlighted.
|
|
*/
|
|
highlight : function(globalParams, element)
|
|
{
|
|
function toArray(source)
|
|
{
|
|
var result = [];
|
|
|
|
for (var i = 0; i < source.length; i++)
|
|
result.push(source[i]);
|
|
|
|
return result;
|
|
};
|
|
|
|
var elements = element ? [element] : toArray(document.getElementsByTagName(sh.config.tagName)),
|
|
propertyName = 'innerHTML',
|
|
highlighter = null,
|
|
conf = sh.config
|
|
;
|
|
|
|
// support for <SCRIPT TYPE="syntaxhighlighter" /> feature
|
|
if (conf.useScriptTags)
|
|
elements = elements.concat(sh.utils.getSyntaxHighlighterScriptTags());
|
|
|
|
if (elements.length === 0)
|
|
return;
|
|
|
|
for (var i = 0; i < elements.length; i++)
|
|
{
|
|
var target = elements[i],
|
|
params = sh.utils.parseParams(target.className),
|
|
brushName,
|
|
code,
|
|
result
|
|
;
|
|
|
|
// local params take precedence over globals
|
|
params = sh.utils.merge(globalParams, params);
|
|
brushName = params['brush'];
|
|
|
|
if (brushName == null)
|
|
continue;
|
|
|
|
// Instantiate a brush
|
|
if (params['html-script'] == 'true' || sh.defaults['html-script'] == true)
|
|
{
|
|
highlighter = new sh.HtmlScript(brushName);
|
|
brushName = 'htmlscript';
|
|
}
|
|
else
|
|
{
|
|
var brush = sh.utils.findBrush(brushName);
|
|
|
|
if (brush)
|
|
{
|
|
brushName = brush.name;
|
|
highlighter = new brush();
|
|
}
|
|
else
|
|
{
|
|
continue;
|
|
}
|
|
}
|
|
|
|
code = target[propertyName];
|
|
|
|
// remove CDATA from <SCRIPT/> tags if it's present
|
|
if (conf.useScriptTags)
|
|
code = sh.utils.stripCData(code);
|
|
|
|
params['brush-name'] = brushName;
|
|
highlighter.highlight(code, params);
|
|
|
|
result = highlighter.div;
|
|
|
|
if (sh.config.debug)
|
|
{
|
|
result = document.createElement('textarea');
|
|
result.value = highlighter.div.innerHTML;
|
|
result.style.width = '70em';
|
|
result.style.height = '30em';
|
|
}
|
|
|
|
target.parentNode.replaceChild(result, target);
|
|
}
|
|
},
|
|
|
|
/**
|
|
* Main entry point for the SyntaxHighlighter.
|
|
* @param {Object} params Optional params to apply to all highlighted elements.
|
|
*/
|
|
all : function(params)
|
|
{
|
|
sh.utils.addEvent(
|
|
window,
|
|
'load',
|
|
function() { sh.highlight(params); }
|
|
);
|
|
}
|
|
}; // end of sh
|
|
|
|
/**
|
|
* Match object.
|
|
*/
|
|
sh.Match = function(value, index, css)
|
|
{
|
|
this.value = value;
|
|
this.index = index;
|
|
this.length = value.length;
|
|
this.css = css;
|
|
this.brushName = null;
|
|
};
|
|
|
|
sh.Match.prototype.toString = function()
|
|
{
|
|
return this.value;
|
|
};
|
|
|
|
/**
|
|
* Simulates HTML code with a scripting language embedded.
|
|
*
|
|
* @param {String} scriptBrushName Brush name of the scripting language.
|
|
*/
|
|
sh.HtmlScript = function(scriptBrushName)
|
|
{
|
|
var brushClass = sh.utils.findBrush(scriptBrushName),
|
|
scriptBrush,
|
|
xmlBrush = new sh.brushes.Xml(),
|
|
bracketsRegex = null
|
|
;
|
|
|
|
if (brushClass == null)
|
|
return;
|
|
|
|
scriptBrush = new brushClass();
|
|
this.xmlBrush = xmlBrush;
|
|
|
|
if (scriptBrush.htmlScript == null)
|
|
{
|
|
sh.utils.alert(sh.config.strings.brushNotHtmlScript + scriptBrushName);
|
|
return;
|
|
}
|
|
|
|
xmlBrush.regexList.push(
|
|
{ regex: scriptBrush.htmlScript.code, func: process }
|
|
);
|
|
|
|
function offsetMatches(matches, offset)
|
|
{
|
|
for (var j = 0; j < matches.length; j++)
|
|
matches[j].index += offset;
|
|
}
|
|
|
|
function process(match, info)
|
|
{
|
|
var code = match.code,
|
|
matches = [],
|
|
regexList = scriptBrush.regexList,
|
|
offset = match.index + match.left.length,
|
|
htmlScript = scriptBrush.htmlScript,
|
|
result
|
|
;
|
|
|
|
// add all matches from the code
|
|
for (var i = 0; i < regexList.length; i++)
|
|
{
|
|
result = sh.utils.getMatches(code, regexList[i]);
|
|
offsetMatches(result, offset);
|
|
matches = matches.concat(result);
|
|
}
|
|
|
|
// add left script bracket
|
|
if (htmlScript.left != null && match.left != null)
|
|
{
|
|
result = sh.utils.getMatches(match.left, htmlScript.left);
|
|
offsetMatches(result, match.index);
|
|
matches = matches.concat(result);
|
|
}
|
|
|
|
// add right script bracket
|
|
if (htmlScript.right != null && match.right != null)
|
|
{
|
|
result = sh.utils.getMatches(match.right, htmlScript.right);
|
|
offsetMatches(result, match.index + match[0].lastIndexOf(match.right));
|
|
matches = matches.concat(result);
|
|
}
|
|
|
|
for (var j = 0; j < matches.length; j++)
|
|
matches[j].brushName = brushClass.name;
|
|
|
|
return matches;
|
|
}
|
|
};
|
|
|
|
sh.HtmlScript.prototype.highlight = function(code, params)
|
|
{
|
|
this.xmlBrush.highlight(code, params);
|
|
this.div = this.xmlBrush.div;
|
|
}
|
|
|
|
/**
|
|
* Main Highlither class.
|
|
* @constructor
|
|
*/
|
|
sh.Highlighter = function()
|
|
{
|
|
};
|
|
|
|
sh.Highlighter.prototype = {
|
|
/**
|
|
* Returns value of the parameter passed to the highlighter.
|
|
* @param {String} name Name of the parameter.
|
|
* @param {Object} defaultValue Default value.
|
|
* @return {Object} Returns found value or default value otherwise.
|
|
*/
|
|
getParam : function(name, defaultValue)
|
|
{
|
|
var result = this.params[name];
|
|
return sh.utils.toBoolean(result == null ? defaultValue : result);
|
|
},
|
|
|
|
/**
|
|
* Shortcut to document.createElement().
|
|
* @param {String} name Name of the element to create (DIV, A, etc).
|
|
* @return {HTMLElement} Returns new HTML element.
|
|
*/
|
|
create: function(name)
|
|
{
|
|
return document.createElement(name);
|
|
},
|
|
|
|
/**
|
|
* Applies all regular expression to the code and stores all found
|
|
* matches in the `this.matches` array.
|
|
* @param {Array} regexList List of regular expressions.
|
|
* @param {String} code Source code.
|
|
* @return {Array} Returns list of matches.
|
|
*/
|
|
findMatches: function(regexList, code)
|
|
{
|
|
var result = [];
|
|
|
|
if (regexList != null)
|
|
for (var i = 0; i < regexList.length; i++)
|
|
// BUG: length returns len+1 for array if methods added to prototype chain (oising@gmail.com)
|
|
if (typeof (regexList[i]) == "object")
|
|
result = result.concat(sh.utils.getMatches(code, regexList[i]));
|
|
|
|
// sort the matches
|
|
return result.sort(sh.utils.matchesSortCallback);
|
|
},
|
|
|
|
/**
|
|
* Checks to see if any of the matches are inside of other matches.
|
|
* This process would get rid of highligted strings inside comments,
|
|
* keywords inside strings and so on.
|
|
*/
|
|
removeNestedMatches: function()
|
|
{
|
|
var matches = this.matches;
|
|
|
|
// Optimized by Jose Prado (http://joseprado.com)
|
|
for (var i = 0; i < matches.length; i++)
|
|
{
|
|
if (matches[i] === null)
|
|
continue;
|
|
|
|
var itemI = matches[i],
|
|
itemIEndPos = itemI.index + itemI.length
|
|
;
|
|
|
|
for (var j = i + 1; j < matches.length && matches[i] !== null; j++)
|
|
{
|
|
var itemJ = matches[j];
|
|
|
|
if (itemJ === null)
|
|
continue;
|
|
else if (itemJ.index > itemIEndPos)
|
|
break;
|
|
else if (itemJ.index == itemI.index && itemJ.length > itemI.length)
|
|
this.matches[i] = null;
|
|
else if (itemJ.index >= itemI.index && itemJ.index < itemIEndPos)
|
|
this.matches[j] = null;
|
|
}
|
|
}
|
|
},
|
|
|
|
/**
|
|
* Splits block of text into individual DIV lines.
|
|
* @param {String} code Code to highlight.
|
|
* @return {String} Returns highlighted code in HTML form.
|
|
*/
|
|
createDisplayLines : function(code)
|
|
{
|
|
var lines = code.split(/\n/g),
|
|
firstLine = parseInt(this.getParam('first-line')),
|
|
padLength = this.getParam('pad-line-numbers'),
|
|
highlightedLines = this.getParam('highlight', []),
|
|
hasGutter = this.getParam('gutter')
|
|
;
|
|
|
|
code = '';
|
|
|
|
if (padLength == true)
|
|
padLength = (firstLine + lines.length - 1).toString().length;
|
|
else if (isNaN(padLength) == true)
|
|
padLength = 0;
|
|
|
|
for (var i = 0; i < lines.length; i++)
|
|
{
|
|
var line = lines[i],
|
|
indent = /^( |\s)+/.exec(line),
|
|
lineClass = 'alt' + (i % 2 == 0 ? 1 : 2),
|
|
lineNumber = sh.utils.padNumber(firstLine + i, padLength),
|
|
highlighted = sh.utils.indexOf(highlightedLines, (firstLine + i).toString()) != -1,
|
|
spaces = null
|
|
;
|
|
|
|
if (indent != null)
|
|
{
|
|
spaces = indent[0].toString();
|
|
line = line.substr(spaces.length);
|
|
}
|
|
|
|
line = sh.utils.trim(line);
|
|
|
|
if (line.length == 0)
|
|
line = ' ';
|
|
|
|
if (highlighted)
|
|
lineClass += ' highlighted';
|
|
|
|
code +=
|
|
'<div class="line ' + lineClass + '">'
|
|
+ '<table>'
|
|
+ '<tr>'
|
|
+ (hasGutter ? '<td class="number"><code>' + lineNumber + '</code></td>' : '')
|
|
+ '<td class="content">'
|
|
+ (spaces != null ? '<code class="spaces">' + spaces.replace(' ', ' ') + '</code>' : '')
|
|
+ line
|
|
+ '</td>'
|
|
+ '</tr>'
|
|
+ '</table>'
|
|
+ '</div>'
|
|
;
|
|
}
|
|
|
|
return code;
|
|
},
|
|
|
|
/**
|
|
* Finds all matches in the source code.
|
|
* @param {String} code Source code to process matches in.
|
|
* @param {Array} matches Discovered regex matches.
|
|
* @return {String} Returns formatted HTML with processed mathes.
|
|
*/
|
|
processMatches: function(code, matches)
|
|
{
|
|
var pos = 0,
|
|
result = '',
|
|
decorate = sh.utils.decorate, // make an alias to save some bytes
|
|
brushName = this.getParam('brush-name', '')
|
|
;
|
|
|
|
function getBrushNameCss(match)
|
|
{
|
|
var result = match ? (match.brushName || brushName) : brushName;
|
|
return result ? result + ' ' : '';
|
|
};
|
|
|
|
// Finally, go through the final list of matches and pull the all
|
|
// together adding everything in between that isn't a match.
|
|
for (var i = 0; i < matches.length; i++)
|
|
{
|
|
var match = matches[i],
|
|
matchBrushName
|
|
;
|
|
|
|
if (match === null || match.length === 0)
|
|
continue;
|
|
|
|
matchBrushName = getBrushNameCss(match);
|
|
|
|
result += decorate(code.substr(pos, match.index - pos), matchBrushName + 'plain')
|
|
+ decorate(match.value, matchBrushName + match.css)
|
|
;
|
|
|
|
pos = match.index + match.length;
|
|
}
|
|
|
|
// don't forget to add whatever's remaining in the string
|
|
result += decorate(code.substr(pos), getBrushNameCss() + 'plain');
|
|
|
|
return result;
|
|
},
|
|
|
|
/**
|
|
* Highlights the code and returns complete HTML.
|
|
* @param {String} code Code to highlight.
|
|
* @param {Object} params Parameters object.
|
|
*/
|
|
highlight: function(code, params)
|
|
{
|
|
// using variables for shortcuts because JS compressor will shorten local variable names
|
|
var conf = sh.config,
|
|
vars = sh.vars,
|
|
div,
|
|
divClassName,
|
|
tabSize,
|
|
important = 'important'
|
|
;
|
|
|
|
this.params = {};
|
|
this.div = null;
|
|
this.lines = null;
|
|
this.code = null;
|
|
this.bar = null;
|
|
this.toolbarCommands = {};
|
|
this.id = sh.utils.guid('highlighter_');
|
|
|
|
// register this instance in the highlighters list
|
|
vars.highlighters[this.id] = this;
|
|
|
|
if (code === null)
|
|
code = '';
|
|
|
|
// local params take precedence over defaults
|
|
this.params = sh.utils.merge(sh.defaults, params || {});
|
|
|
|
// process light mode
|
|
if (this.getParam('light') == true)
|
|
this.params.toolbar = this.params.gutter = false;
|
|
|
|
this.div = div = this.create('DIV');
|
|
this.lines = this.create('DIV');
|
|
this.lines.className = 'lines';
|
|
|
|
className = 'syntaxhighlighter';
|
|
div.id = this.id;
|
|
|
|
// make collapsed
|
|
if (this.getParam('collapse'))
|
|
className += ' collapsed';
|
|
|
|
// disable gutter
|
|
if (this.getParam('gutter') == false)
|
|
className += ' nogutter';
|
|
|
|
// disable line wrapping
|
|
if (this.getParam('wrap-lines') == false)
|
|
this.lines.className += ' no-wrap';
|
|
|
|
// add custom user style name
|
|
className += ' ' + this.getParam('class-name');
|
|
|
|
// add brush alias to the class name for custom CSS
|
|
className += ' ' + this.getParam('brush-name');
|
|
|
|
div.className = className;
|
|
|
|
this.originalCode = code;
|
|
this.code = sh.utils.trimFirstAndLastLines(code)
|
|
.replace(/\r/g, ' ') // IE lets these buggers through
|
|
;
|
|
|
|
tabSize = this.getParam('tab-size');
|
|
|
|
// replace tabs with spaces
|
|
this.code = this.getParam('smart-tabs') == true
|
|
? sh.utils.processSmartTabs(this.code, tabSize)
|
|
: sh.utils.processTabs(this.code, tabSize)
|
|
;
|
|
|
|
this.code = sh.utils.unindent(this.code);
|
|
|
|
// add controls toolbar
|
|
if (this.getParam('toolbar'))
|
|
{
|
|
this.bar = this.create('DIV');
|
|
this.bar.className = 'bar';
|
|
this.bar.appendChild(sh.toolbar.create(this));
|
|
div.appendChild(this.bar);
|
|
|
|
// set up toolbar rollover
|
|
var bar = this.bar;
|
|
function hide() { bar.className = bar.className.replace('show', ''); }
|
|
div.onmouseover = function() { hide(); bar.className += ' show'; };
|
|
div.onmouseout = function() { hide(); }
|
|
}
|
|
|
|
div.appendChild(this.lines);
|
|
|
|
this.matches = this.findMatches(this.regexList, this.code);
|
|
this.removeNestedMatches();
|
|
|
|
code = this.processMatches(this.code, this.matches);
|
|
|
|
// finally, split all lines so that they wrap well
|
|
code = this.createDisplayLines(sh.utils.trim(code));
|
|
|
|
// finally, process the links
|
|
if (this.getParam('auto-links'))
|
|
code = sh.utils.processUrls(code);
|
|
|
|
this.lines.innerHTML = code;
|
|
},
|
|
|
|
/**
|
|
* Converts space separated list of keywords into a regular expression string.
|
|
* @param {String} str Space separated keywords.
|
|
* @return {String} Returns regular expression string.
|
|
*/
|
|
getKeywords: function(str)
|
|
{
|
|
str = str
|
|
.replace(/^\s+|\s+$/g, '')
|
|
.replace(/\s+/g, '|')
|
|
;
|
|
|
|
return '\\b(?:' + str + ')\\b';
|
|
},
|
|
|
|
/**
|
|
* Makes a brush compatible with the `html-script` functionality.
|
|
* @param {Object} regexGroup Object containing `left` and `right` regular expressions.
|
|
*/
|
|
forHtmlScript: function(regexGroup)
|
|
{
|
|
this.htmlScript = {
|
|
left : { regex: regexGroup.left, css: 'script' },
|
|
right : { regex: regexGroup.right, css: 'script' },
|
|
code : new XRegExp(
|
|
"(?<left>" + regexGroup.left.source + ")" +
|
|
"(?<code>.*?)" +
|
|
"(?<right>" + regexGroup.right.source + ")",
|
|
"sgi"
|
|
)
|
|
};
|
|
}
|
|
}; // end of Highlighter
|
|
|
|
return sh;
|
|
}(); // end of anonymous function
|
|
|
|
|
|
/**
|
|
* XRegExp 0.6.1
|
|
* (c) 2007-2008 Steven Levithan
|
|
* <http://stevenlevithan.com/regex/xregexp/>
|
|
* MIT License
|
|
*
|
|
* provides an augmented, cross-browser implementation of regular expressions
|
|
* including support for additional modifiers and syntax. several convenience
|
|
* methods and a recursive-construct parser are also included.
|
|
*/
|
|
|
|
// prevent running twice, which would break references to native globals
|
|
if (!window.XRegExp) {
|
|
// anonymous function to avoid global variables
|
|
(function () {
|
|
// copy various native globals for reference. can't use the name ``native``
|
|
// because it's a reserved JavaScript keyword.
|
|
var real = {
|
|
exec: RegExp.prototype.exec,
|
|
match: String.prototype.match,
|
|
replace: String.prototype.replace,
|
|
split: String.prototype.split
|
|
},
|
|
/* regex syntax parsing with support for all the necessary cross-
|
|
browser and context issues (escapings, character classes, etc.) */
|
|
lib = {
|
|
part: /(?:[^\\([#\s.]+|\\(?!k<[\w$]+>|[pP]{[^}]+})[\S\s]?|\((?=\?(?!#|<[\w$]+>)))+|(\()(?:\?(?:(#)[^)]*\)|<([$\w]+)>))?|\\(?:k<([\w$]+)>|[pP]{([^}]+)})|(\[\^?)|([\S\s])/g,
|
|
replaceVar: /(?:[^$]+|\$(?![1-9$&`']|{[$\w]+}))+|\$(?:([1-9]\d*|[$&`'])|{([$\w]+)})/g,
|
|
extended: /^(?:\s+|#.*)+/,
|
|
quantifier: /^(?:[?*+]|{\d+(?:,\d*)?})/,
|
|
classLeft: /&&\[\^?/g,
|
|
classRight: /]/g
|
|
},
|
|
indexOf = function (array, item, from) {
|
|
for (var i = from || 0; i < array.length; i++)
|
|
if (array[i] === item) return i;
|
|
return -1;
|
|
},
|
|
brokenExecUndef = /()??/.exec("")[1] !== undefined,
|
|
plugins = {};
|
|
|
|
/**
|
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* Accepts a pattern and flags, returns a new, extended RegExp object.
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* differs from a native regex in that additional flags and syntax are
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* supported and browser inconsistencies are ameliorated.
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* @ignore
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*/
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XRegExp = function (pattern, flags) {
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if (pattern instanceof RegExp) {
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if (flags !== undefined)
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throw TypeError("can't supply flags when constructing one RegExp from another");
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return pattern.addFlags(); // new copy
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}
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var flags = flags || "",
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singleline = flags.indexOf("s") > -1,
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extended = flags.indexOf("x") > -1,
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hasNamedCapture = false,
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captureNames = [],
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output = [],
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part = lib.part,
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match, cc, len, index, regex;
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part.lastIndex = 0; // in case the last XRegExp compilation threw an error (unbalanced character class)
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while (match = real.exec.call(part, pattern)) {
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// comment pattern. this check must come before the capturing group check,
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// because both match[1] and match[2] will be non-empty.
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if (match[2]) {
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// keep tokens separated unless the following token is a quantifier
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if (!lib.quantifier.test(pattern.slice(part.lastIndex)))
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output.push("(?:)");
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// capturing group
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} else if (match[1]) {
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captureNames.push(match[3] || null);
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if (match[3])
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hasNamedCapture = true;
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output.push("(");
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// named backreference
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} else if (match[4]) {
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index = indexOf(captureNames, match[4]);
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// keep backreferences separate from subsequent literal numbers
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// preserve backreferences to named groups that are undefined at this point as literal strings
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output.push(index > -1 ?
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"\\" + (index + 1) + (isNaN(pattern.charAt(part.lastIndex)) ? "" : "(?:)") :
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match[0]
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);
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// unicode element (requires plugin)
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} else if (match[5]) {
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output.push(plugins.unicode ?
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plugins.unicode.get(match[5], match[0].charAt(1) === "P") :
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match[0]
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);
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// character class opening delimiter ("[" or "[^")
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// (non-native unicode elements are not supported within character classes)
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} else if (match[6]) {
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if (pattern.charAt(part.lastIndex) === "]") {
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// for cross-browser compatibility with ECMA-262 v3 behavior,
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// convert [] to (?!) and [^] to [\S\s].
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output.push(match[6] === "[" ? "(?!)" : "[\\S\\s]");
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part.lastIndex++;
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} else {
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// parse the character class with support for inner escapes and
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// ES4's infinitely nesting intersection syntax ([&&[^&&[]]]).
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cc = XRegExp.matchRecursive("&&" + pattern.slice(match.index), lib.classLeft, lib.classRight, "", {escapeChar: "\\"})[0];
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output.push(match[6] + cc + "]");
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part.lastIndex += cc.length + 1;
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}
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// dot ("."), pound sign ("#"), or whitespace character
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} else if (match[7]) {
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if (singleline && match[7] === ".") {
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output.push("[\\S\\s]");
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} else if (extended && lib.extended.test(match[7])) {
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len = real.exec.call(lib.extended, pattern.slice(part.lastIndex - 1))[0].length;
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// keep tokens separated unless the following token is a quantifier
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if (!lib.quantifier.test(pattern.slice(part.lastIndex - 1 + len)))
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output.push("(?:)");
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part.lastIndex += len - 1;
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} else {
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output.push(match[7]);
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}
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} else {
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output.push(match[0]);
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}
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}
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regex = RegExp(output.join(""), real.replace.call(flags, /[sx]+/g, ""));
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regex._x = {
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source: pattern,
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captureNames: hasNamedCapture ? captureNames : null
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};
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return regex;
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};
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/**
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* Barebones plugin support for now (intentionally undocumented)
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* @ignore
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* @param {Object} name
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* @param {Object} o
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*/
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XRegExp.addPlugin = function (name, o) {
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plugins[name] = o;
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};
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/**
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* Adds named capture support, with values returned as ``result.name``.
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*
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* Also fixes two cross-browser issues, following the ECMA-262 v3 spec:
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* - captured values for non-participating capturing groups should be returned
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* as ``undefined``, rather than the empty string.
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* - the regex's ``lastIndex`` should not be incremented after zero-length
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* matches.
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* @ignore
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*/
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RegExp.prototype.exec = function (str) {
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var match = real.exec.call(this, str),
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name, i, r2;
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if (match) {
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// fix browsers whose exec methods don't consistently return
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// undefined for non-participating capturing groups
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if (brokenExecUndef && match.length > 1) {
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// r2 doesn't need /g or /y, but they shouldn't hurt
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r2 = new RegExp("^" + this.source + "$(?!\\s)", this.getNativeFlags());
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real.replace.call(match[0], r2, function () {
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for (i = 1; i < arguments.length - 2; i++) {
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if (arguments[i] === undefined) match[i] = undefined;
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}
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});
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}
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// attach named capture properties
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if (this._x && this._x.captureNames) {
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for (i = 1; i < match.length; i++) {
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name = this._x.captureNames[i - 1];
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if (name) match[name] = match[i];
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}
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}
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// fix browsers that increment lastIndex after zero-length matches
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if (this.global && this.lastIndex > (match.index + match[0].length))
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this.lastIndex--;
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}
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return match;
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};
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})(); // end anonymous function
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} // end if(!window.XRegExp)
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/**
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* intentionally undocumented
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* @ignore
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*/
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RegExp.prototype.getNativeFlags = function () {
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return (this.global ? "g" : "") +
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(this.ignoreCase ? "i" : "") +
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(this.multiline ? "m" : "") +
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(this.extended ? "x" : "") +
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(this.sticky ? "y" : "");
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};
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/**
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* Accepts flags; returns a new XRegExp object generated by recompiling
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* the regex with the additional flags (may include non-native flags).
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* The original regex object is not altered.
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* @ignore
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*/
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RegExp.prototype.addFlags = function (flags) {
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var regex = new XRegExp(this.source, (flags || "") + this.getNativeFlags());
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if (this._x) {
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regex._x = {
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source: this._x.source,
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captureNames: this._x.captureNames ? this._x.captureNames.slice(0) : null
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};
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}
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return regex;
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};
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/**
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* Accepts a context object and string; returns the result of calling
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* ``exec`` with the provided string. the context is ignored but is
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* accepted for congruity with ``Function.prototype.call``.
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* @ignore
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*/
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RegExp.prototype.call = function (context, str) {
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return this.exec(str);
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};
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/**
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* Accepts a context object and arguments array; returns the result of
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* calling ``exec`` with the first value in the arguments array. the context
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* is ignored but is accepted for congruity with ``Function.prototype.apply``.
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* @ignore
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*/
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RegExp.prototype.apply = function (context, args) {
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return this.exec(args[0]);
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};
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/**
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* Accepts a pattern and flags; returns an XRegExp object. if the pattern
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* and flag combination has previously been cached, the cached copy is
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* returned, otherwise the new object is cached.
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* @ignore
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*/
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XRegExp.cache = function (pattern, flags) {
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var key = "/" + pattern + "/" + (flags || "");
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return XRegExp.cache[key] || (XRegExp.cache[key] = new XRegExp(pattern, flags));
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};
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/**
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* Accepts a string; returns the string with regex metacharacters escaped.
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* the returned string can safely be used within a regex to match a literal
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* string. escaped characters are [, ], {, }, (, ), -, *, +, ?, ., \, ^, $,
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* |, #, [comma], and whitespace.
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* @ignore
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*/
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XRegExp.escape = function (str) {
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return str.replace(/[-[\]{}()*+?.\\^$|,#\s]/g, "\\$&");
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};
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/**
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* Accepts a string to search, left and right delimiters as regex pattern
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* strings, optional regex flags (may include non-native s, x, and y flags),
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* and an options object which allows setting an escape character and changing
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* the return format from an array of matches to a two-dimensional array of
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* string parts with extended position data. returns an array of matches
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* (optionally with extended data), allowing nested instances of left and right
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* delimiters. use the g flag to return all matches, otherwise only the first
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* is returned. if delimiters are unbalanced within the subject data, an error
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* is thrown.
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*
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* This function admittedly pushes the boundaries of what can be accomplished
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* sensibly without a "real" parser. however, by doing so it provides flexible
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* and powerful recursive parsing capabilities with minimal code weight.
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*
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* Warning: the ``escapeChar`` option is considered experimental and might be
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* changed or removed in future versions of XRegExp.
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*
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* unsupported features:
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* - backreferences within delimiter patterns when using ``escapeChar``.
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* - although providing delimiters as regex objects adds the minor feature of
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* independent delimiter flags, it introduces other limitations and is only
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* intended to be done by the ``XRegExp`` constructor (which can't call
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* itself while building a regex).
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*
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* @ignore
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*/
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XRegExp.matchRecursive = function (str, left, right, flags, options) {
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var options = options || {},
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escapeChar = options.escapeChar,
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vN = options.valueNames,
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flags = flags || "",
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global = flags.indexOf("g") > -1,
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ignoreCase = flags.indexOf("i") > -1,
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multiline = flags.indexOf("m") > -1,
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sticky = flags.indexOf("y") > -1,
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/* sticky mode has its own handling in this function, which means you
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can use flag "y" even in browsers which don't support it natively */
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flags = flags.replace(/y/g, ""),
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left = left instanceof RegExp ? (left.global ? left : left.addFlags("g")) : new XRegExp(left, "g" + flags),
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right = right instanceof RegExp ? (right.global ? right : right.addFlags("g")) : new XRegExp(right, "g" + flags),
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output = [],
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openTokens = 0,
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delimStart = 0,
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delimEnd = 0,
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lastOuterEnd = 0,
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outerStart, innerStart, leftMatch, rightMatch, escaped, esc;
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if (escapeChar) {
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if (escapeChar.length > 1) throw SyntaxError("can't supply more than one escape character");
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if (multiline) throw TypeError("can't supply escape character when using the multiline flag");
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escaped = XRegExp.escape(escapeChar);
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/* Escape pattern modifiers:
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/g - not needed here
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/i - included
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/m - **unsupported**, throws error
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/s - handled by XRegExp when delimiters are provided as strings
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/x - handled by XRegExp when delimiters are provided as strings
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/y - not needed here; supported by other handling in this function
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*/
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esc = new RegExp(
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"^(?:" + escaped + "[\\S\\s]|(?:(?!" + left.source + "|" + right.source + ")[^" + escaped + "])+)+",
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ignoreCase ? "i" : ""
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);
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}
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while (true) {
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/* advance the starting search position to the end of the last delimiter match.
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a couple special cases are also covered:
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- if using an escape character, advance to the next delimiter's starting position,
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skipping any escaped characters
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- first time through, reset lastIndex in case delimiters were provided as regexes
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*/
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left.lastIndex = right.lastIndex = delimEnd +
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(escapeChar ? (esc.exec(str.slice(delimEnd)) || [""])[0].length : 0);
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leftMatch = left.exec(str);
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rightMatch = right.exec(str);
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// only keep the result which matched earlier in the string
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if (leftMatch && rightMatch) {
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if (leftMatch.index <= rightMatch.index)
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rightMatch = null;
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else leftMatch = null;
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}
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/* paths*:
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leftMatch | rightMatch | openTokens | result
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1 | 0 | 1 | ...
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1 | 0 | 0 | ...
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0 | 1 | 1 | ...
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0 | 1 | 0 | throw
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0 | 0 | 1 | throw
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0 | 0 | 0 | break
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* - does not include the sticky mode special case
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- the loop ends after the first completed match if not in global mode
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*/
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if (leftMatch || rightMatch) {
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delimStart = (leftMatch || rightMatch).index;
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delimEnd = (leftMatch ? left : right).lastIndex;
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} else if (!openTokens) {
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break;
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}
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if (sticky && !openTokens && delimStart > lastOuterEnd)
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break;
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if (leftMatch) {
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if (!openTokens++) {
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outerStart = delimStart;
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innerStart = delimEnd;
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}
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} else if (rightMatch && openTokens) {
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if (!--openTokens) {
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if (vN) {
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if (vN[0] && outerStart > lastOuterEnd)
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output.push([vN[0], str.slice(lastOuterEnd, outerStart), lastOuterEnd, outerStart]);
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if (vN[1]) output.push([vN[1], str.slice(outerStart, innerStart), outerStart, innerStart]);
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if (vN[2]) output.push([vN[2], str.slice(innerStart, delimStart), innerStart, delimStart]);
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if (vN[3]) output.push([vN[3], str.slice(delimStart, delimEnd), delimStart, delimEnd]);
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} else {
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output.push(str.slice(innerStart, delimStart));
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}
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lastOuterEnd = delimEnd;
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if (!global)
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break;
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}
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} else {
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// reset lastIndex in case delimiters were provided as regexes
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left.lastIndex = right.lastIndex = 0;
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throw Error("subject data contains unbalanced delimiters");
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}
|
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|
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// if the delimiter matched an empty string, advance delimEnd to avoid an infinite loop
|
|
if (delimStart === delimEnd)
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delimEnd++;
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}
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if (global && !sticky && vN && vN[0] && str.length > lastOuterEnd)
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output.push([vN[0], str.slice(lastOuterEnd), lastOuterEnd, str.length]);
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// reset lastIndex in case delimiters were provided as regexes
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left.lastIndex = right.lastIndex = 0;
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return output;
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};
|