cdfb2b41c2
* Il faudra faire une solution plus propre, c'est juste pour commiter des changes darcs-hash:20090306075901-bd074-45690e201de838132f1a94901b4a625a50f8a31d.gz
622 lines
16 KiB
JavaScript
622 lines
16 KiB
JavaScript
/**
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* Code Syntax Highlighter.
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* Version 1.3.0
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* Copyright (C) 2004 Alex Gorbatchev.
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* http://www.dreamprojections.com/syntaxhighlighter/
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*
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* This library is free software; you can redistribute it and/or modify it under the terms of the GNU Lesser General
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* Public License as published by the Free Software Foundation; either version 2.1 of the License, or (at your option)
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* any later version.
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*
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* This library is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied
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* warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more
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* details.
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*
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* You should have received a copy of the GNU Lesser General Public License along with this library; if not, write to
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* the Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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//
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// create namespaces
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//
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var dp = {
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sh : // dp.sh
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{
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Utils : {}, // dp.sh.Utils
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Brushes : {}, // dp.sh.Brushes
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Strings : {},
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Version : '1.3.0'
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}
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};
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dp.sh.Strings = {
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AboutDialog : '<html><head><title>About...</title></head><body class="dp-about"><table cellspacing="0"><tr><td class="copy"><p class="title">dp.SyntaxHighlighter</div><div class="para">Version: {V}</p><p><a href="http://www.dreamprojections.com/syntaxhighlighter/?ref=about" target="_blank">http://www.dreamprojections.com/SyntaxHighlighter</a></p>©2004-2005 Alex Gorbatchev. All right reserved.</td></tr><tr><td class="footer"><input type="button" class="close" value="OK" onClick="window.close()"/></td></tr></table></body></html>',
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// tools
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ExpandCode : '+ expand code',
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ViewPlain : 'view plain',
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Print : 'print',
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CopyToClipboard : 'copy to clipboard',
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About : '?',
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CopiedToClipboard : 'The code is in your clipboard now.'
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};
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dp.SyntaxHighlighter = dp.sh;
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//
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// Dialog and toolbar functions
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//
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dp.sh.Utils.Expand = function(sender)
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{
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var table = sender;
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var span = sender;
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// find the span in which the text label and pipe contained so we can hide it
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while(span != null && span.tagName != 'SPAN')
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span = span.parentNode;
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// find the table
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while(table != null && table.tagName != 'TABLE')
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table = table.parentNode;
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// remove the 'expand code' button
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span.parentNode.removeChild(span);
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table.tBodies[0].className = 'show';
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table.parentNode.style.height = '100%'; // containing div isn't getting updated properly when the TBODY is shown
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}
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// opens a new windows and puts the original unformatted source code inside.
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dp.sh.Utils.ViewSource = function(sender)
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{
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var code = sender.parentNode.originalCode;
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var wnd = window.open('', '_blank', 'width=750, height=400, location=0, resizable=1, menubar=0, scrollbars=1');
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code = code.replace(/</g, '<');
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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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// copies the original source code in to the clipboard (IE only)
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dp.sh.Utils.ToClipboard = function(sender)
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{
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var code = sender.parentNode.originalCode;
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// This works only for IE. There's a way to make it work with Mozilla as well,
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// but it requires security settings changed on the client, which isn't by
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// default, so 99% of users won't have it working anyways.
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if(window.clipboardData)
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{
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window.clipboardData.setData('text', code);
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alert(dp.sh.Strings.CopiedToClipboard);
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}
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}
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// creates an invisible iframe, puts the original source code inside and prints it
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dp.sh.Utils.PrintSource = function(sender)
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{
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var td = sender.parentNode;
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var code = td.processedCode;
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var iframe = document.createElement('IFRAME');
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var doc = null;
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var wnd =
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// this hides the iframe
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iframe.style.cssText = 'position:absolute; width:0px; height:0px; left:-5px; top:-5px;';
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td.appendChild(iframe);
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doc = iframe.contentWindow.document;
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code = code.replace(/</g, '<');
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doc.open();
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doc.write('<pre>' + code + '</pre>');
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doc.close();
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iframe.contentWindow.focus();
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iframe.contentWindow.print();
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td.removeChild(iframe);
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}
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dp.sh.Utils.About = function()
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{
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var wnd = window.open('', '_blank', 'dialog,width=320,height=150,scrollbars=0');
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var doc = wnd.document;
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var styles = document.getElementsByTagName('style');
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var links = document.getElementsByTagName('link');
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doc.write(dp.sh.Strings.AboutDialog.replace('{V}', dp.sh.Version));
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// copy over ALL the styles from the parent page
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for(var i = 0; i < styles.length; i++)
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doc.write('<style>' + styles[i].innerHTML + '</style>');
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for(var i = 0; i < links.length; i++)
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if(links[i].rel.toLowerCase() == 'stylesheet')
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doc.write('<link type="text/css" rel="stylesheet" href="' + links[i].href + '"></link>');
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doc.close();
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wnd.focus();
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}
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//
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// Match object
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//
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dp.sh.Match = function(value, index, css)
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{
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this.value = value;
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this.index = index;
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this.length = value.length;
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this.css = css;
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}
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//
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// Highlighter object
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//
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dp.sh.Highlighter = function()
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{
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this.addGutter = true;
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this.addControls = true;
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this.collapse = false;
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this.tabsToSpaces = true;
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}
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// static callback for the match sorting
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dp.sh.Highlighter.SortCallback = function(m1, m2)
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{
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// sort matches by index first
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if(m1.index < m2.index)
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return -1;
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else if(m1.index > m2.index)
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return 1;
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else
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{
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// if index is the same, sort by length
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if(m1.length < m2.length)
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return -1;
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else if(m1.length > m2.length)
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return 1;
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}
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return 0;
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}
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// gets a list of all matches for a given regular expression
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dp.sh.Highlighter.prototype.GetMatches = function(regex, css)
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{
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var index = 0;
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var match = null;
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while((match = regex.exec(this.code)) != null)
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{
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this.matches[this.matches.length] = new dp.sh.Match(match[0], match.index, css);
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}
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}
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dp.sh.Highlighter.prototype.AddBit = function(str, css)
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{
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var span = document.createElement('span');
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str = str.replace(/&/g, '&');
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str = str.replace(/ /g, ' ');
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str = str.replace(/</g, '<');
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str = str.replace(/\n/gm, ' <br>');
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// when adding a piece of code, check to see if it has line breaks in it
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// and if it does, wrap individual line breaks with span tags
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if(css != null)
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{
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var regex = new RegExp('<br>', 'gi');
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if(regex.test(str))
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{
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var lines = str.split(' <br>');
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str = '';
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for(var i = 0; i < lines.length; i++)
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{
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span = document.createElement('SPAN');
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span.className = css;
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span.innerHTML = lines[i];
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this.div.appendChild(span);
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// don't add a <BR> for the last line
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if(i + 1 < lines.length)
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this.div.appendChild(document.createElement('BR'));
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}
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}
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else
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{
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span.className = css;
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span.innerHTML = str;
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this.div.appendChild(span);
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}
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}
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else
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{
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span.innerHTML = str;
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this.div.appendChild(span);
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}
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}
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// checks if one match is inside any other match
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dp.sh.Highlighter.prototype.IsInside = function(match)
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{
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if(match == null || match.length == 0)
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return;
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for(var i = 0; i < this.matches.length; i++)
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{
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var c = this.matches[i];
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if(c == null)
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continue;
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if((match.index > c.index) && (match.index <= c.index + c.length))
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return true;
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}
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return false;
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}
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dp.sh.Highlighter.prototype.ProcessRegexList = function()
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{
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for(var i = 0; i < this.regexList.length; i++)
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this.GetMatches(this.regexList[i].regex, this.regexList[i].css);
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}
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dp.sh.Highlighter.prototype.ProcessSmartTabs = function(code)
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{
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var lines = code.split('\n');
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var result = '';
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var tabSize = 4;
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var tab = '\t';
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// This function inserts specified amount of spaces in the string
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// where a tab is while removing that given tab.
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function InsertSpaces(line, pos, count)
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{
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var left = line.substr(0, pos);
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var right = line.substr(pos + 1, line.length); // pos + 1 will get rid of the tab
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var spaces = '';
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for(var i = 0; i < count; i++)
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spaces += ' ';
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return left + spaces + right;
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}
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// This function process one line for 'smart tabs'
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function ProcessLine(line, tabSize)
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{
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if(line.indexOf(tab) == -1)
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return line;
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var pos = 0;
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while((pos = line.indexOf(tab)) != -1)
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{
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// This is pretty much all there is to the 'smart tabs' logic.
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// Based on the position within the line and size of a tab,
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// calculate the amount of spaces we need to insert.
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var spaces = tabSize - pos % tabSize;
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line = InsertSpaces(line, pos, spaces);
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}
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return line;
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}
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// Go through all the lines and do the 'smart tabs' magic.
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for(var i = 0; i < lines.length; i++)
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result += ProcessLine(lines[i], tabSize) + '\n';
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return result;
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}
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dp.sh.Highlighter.prototype.SwitchToTable = function()
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{
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// thanks to Lachlan Donald from SitePoint.com for this <br/> tag fix.
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var html = this.div.innerHTML.replace(/<(br)\/?>/gi, '\n');
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var lines = html.split('\n');
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var row = null;
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var cell = null;
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var tBody = null;
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var html = '';
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var pipe = ' | ';
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// creates an anchor to a utility
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function UtilHref(util, text)
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{
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return '<a href="#" onclick="dp.sh.Utils.' + util + '(this); return false;">' + text + '</a>';
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}
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tBody = document.createElement('TBODY'); // can be created and all others go to tBodies collection.
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this.table.appendChild(tBody);
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if(this.addGutter == true)
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{
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row = tBody.insertRow(-1);
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cell = row.insertCell(-1);
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cell.className = 'tools-corner';
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}
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if(this.addControls == true)
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{
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var tHead = document.createElement('THEAD'); // controls will be placed in here
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this.table.appendChild(tHead);
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row = tHead.insertRow(-1);
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// add corner if there's a gutter
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if(this.addGutter == true)
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{
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cell = row.insertCell(-1);
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cell.className = 'tools-corner';
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}
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cell = row.insertCell(-1);
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// preserve some variables for the controls
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cell.originalCode = this.originalCode;
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cell.processedCode = this.code;
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cell.className = 'tools';
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if(this.collapse == true)
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{
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tBody.className = 'hide';
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cell.innerHTML += '<span><b>' + UtilHref('Expand', dp.sh.Strings.ExpandCode) + '</b>' + pipe + '</span>';
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}
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cell.innerHTML += UtilHref('ViewSource', dp.sh.Strings.ViewPlain) + pipe + UtilHref('PrintSource', dp.sh.Strings.Print);
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// IE has this clipboard object which is easy enough to use
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if(window.clipboardData)
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cell.innerHTML += pipe + UtilHref('ToClipboard', dp.sh.Strings.CopyToClipboard);
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cell.innerHTML += pipe + UtilHref('About', dp.sh.Strings.About);
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}
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for(var i = 0, lineIndex = this.firstLine; i < lines.length - 1; i++, lineIndex++)
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{
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row = tBody.insertRow(-1);
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if(this.addGutter == true)
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{
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cell = row.insertCell(-1);
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cell.className = 'gutter';
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cell.innerHTML = lineIndex;
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}
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cell = row.insertCell(-1);
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cell.className = 'line' + (i % 2 + 1); // uses .line1 and .line2 css styles for alternating lines
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cell.innerHTML = lines[i];
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}
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this.div.innerHTML = '';
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}
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dp.sh.Highlighter.prototype.Highlight = function(code)
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{
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function Trim(str)
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{
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return str.replace(/^\s*(.*?)[\s\n]*$/g, '$1');
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}
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function Chop(str)
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{
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return str.replace(/\n*$/, '').replace(/^\n*/, '');
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}
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function Unindent(str)
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{
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var lines = str.split('\n');
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var indents = new Array();
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var regex = new RegExp('^\\s*', 'g');
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var min = 1000;
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// go through every line and check for common number of indents
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for(var i = 0; i < lines.length && min > 0; i++)
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{
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if(Trim(lines[i]).length == 0)
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continue;
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var matches = regex.exec(lines[i]);
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if(matches != null && matches.length > 0)
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min = Math.min(matches[0].length, min);
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}
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// trim minimum common number of white space from the begining of every line
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if(min > 0)
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for(var i = 0; i < lines.length; i++)
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lines[i] = lines[i].substr(min);
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return lines.join('\n');
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}
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// This function returns a portions of the string from pos1 to pos2 inclusive
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function Copy(string, pos1, pos2)
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{
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return string.substr(pos1, pos2 - pos1);
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}
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var pos = 0;
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this.originalCode = code;
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this.code = Chop(Unindent(code));
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this.div = document.createElement('DIV');
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this.table = document.createElement('TABLE');
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this.matches = new Array();
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if(this.CssClass != null)
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this.table.className = this.CssClass;
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// replace tabs with spaces
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if(this.tabsToSpaces == true)
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this.code = this.ProcessSmartTabs(this.code);
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this.table.border = 0;
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this.table.cellSpacing = 0;
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this.table.cellPadding = 0;
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this.ProcessRegexList();
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// if no matches found, add entire code as plain text
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if(this.matches.length == 0)
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{
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this.AddBit(this.code, null);
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this.SwitchToTable();
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return;
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}
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// sort the matches
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this.matches = this.matches.sort(dp.sh.Highlighter.SortCallback);
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// The following loop checks to see if any of the matches are inside
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// of other matches. This process would get rid of highligting strings
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// inside comments, keywords inside strings and so on.
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for(var i = 0; i < this.matches.length; i++)
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if(this.IsInside(this.matches[i]))
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this.matches[i] = null;
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// Finally, go through the final list of matches and pull the all
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// together adding everything in between that isn't a match.
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for(var i = 0; i < this.matches.length; i++)
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{
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var match = this.matches[i];
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if(match == null || match.length == 0)
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continue;
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this.AddBit(Copy(this.code, pos, match.index), null);
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this.AddBit(match.value, match.css);
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pos = match.index + match.length;
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}
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this.AddBit(this.code.substr(pos), null);
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this.SwitchToTable();
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}
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dp.sh.Highlighter.prototype.GetKeywords = function(str)
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{
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return '\\b' + str.replace(/ /g, '\\b|\\b') + '\\b';
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}
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// highlightes all elements identified by name and gets source code from specified property
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dp.sh.HighlightAll = function(name, showGutter /* optional */, showControls /* optional */, collapseAll /* optional */, firstLine /* optional */)
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{
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function FindValue()
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{
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var a = arguments;
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for(var i = 0; i < a.length; i++)
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{
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if(a[i] == null)
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continue;
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if(typeof(a[i]) == 'string' && a[i] != '')
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return a[i] + '';
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if(typeof(a[i]) == 'object' && a[i].value != '')
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return a[i].value + '';
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}
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return null;
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}
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function IsOptionSet(value, list)
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{
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for(var i = 0; i < list.length; i++)
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if(list[i] == value)
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return true;
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return false;
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}
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function GetOptionValue(name, list, defaultValue)
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|
{
|
|
var regex = new RegExp('^' + name + '\\[(\\w+)\\]$', 'gi');
|
|
var matches = null;
|
|
|
|
for(var i = 0; i < list.length; i++)
|
|
if((matches = regex.exec(list[i])) != null)
|
|
return matches[1];
|
|
|
|
return defaultValue;
|
|
}
|
|
|
|
var elements = document.getElementsByName(name);
|
|
var highlighter = null;
|
|
var registered = new Object();
|
|
var propertyName = 'value';
|
|
|
|
// if no code blocks found, leave
|
|
if(elements == null)
|
|
return;
|
|
|
|
// register all brushes
|
|
for(var brush in dp.sh.Brushes)
|
|
{
|
|
var aliases = dp.sh.Brushes[brush].Aliases;
|
|
|
|
if(aliases == null)
|
|
continue;
|
|
|
|
for(var i = 0; i < aliases.length; i++)
|
|
registered[aliases[i]] = brush;
|
|
}
|
|
|
|
for(var i = 0; i < elements.length; i++)
|
|
{
|
|
var element = elements[i];
|
|
var options = FindValue(
|
|
element.attributes['class'], element.className,
|
|
element.attributes['language'], element.language
|
|
);
|
|
var language = '';
|
|
|
|
if(options == null)
|
|
continue;
|
|
|
|
options = options.split(':');
|
|
|
|
language = options[0].toLowerCase();
|
|
|
|
if(registered[language] == null)
|
|
continue;
|
|
|
|
// instantiate a brush
|
|
highlighter = new dp.sh.Brushes[registered[language]]();
|
|
|
|
// hide the original element
|
|
element.style.display = 'none';
|
|
|
|
highlighter.addGutter = (showGutter == null) ? !IsOptionSet('nogutter', options) : showGutter;
|
|
highlighter.addControls = (showControls == null) ? !IsOptionSet('nocontrols', options) : showControls;
|
|
highlighter.collapse = (collapseAll == null) ? IsOptionSet('collapse', options) : collapseAll;
|
|
|
|
// first line idea comes from Andrew Collington, thanks!
|
|
highlighter.firstLine = (firstLine == null) ? parseInt(GetOptionValue('firstline', options, 1)) : firstLine;
|
|
|
|
highlighter.Highlight(element[propertyName]);
|
|
|
|
// place the result table inside a div
|
|
var div = document.createElement('DIV');
|
|
|
|
div.className = 'dp-highlighter';
|
|
div.appendChild(highlighter.table);
|
|
|
|
element.parentNode.insertBefore(div, element);
|
|
}
|
|
}
|