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+/**
+ * Code Syntax Highlighter. Version 1.1.0
+ * Copyright (C) 2004 Dream Projections Inc.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+ *
+ **
+ * Usage example:
+ *
+ * <script src="shCore.js" type="text/javascript"></script>
+ * <script src="shBrushXml.js" type="text/javascript"></script>
+ *
+ * <textarea name="code" language="html">
+ * <img src="myimage.gif" border="0">
+ * </textarea>
+ *
+ * <script>dp.SyntaxHighlighter.HighlightAll('code', 'value');</script>
+ *
+ **
+ * History:
+ * 1.1.0 - March 23rd, 2005
+ * - split brushes into separate files
+ * - now works in Safari
+ * - added missing strings to PHP matches
+ *
+ * 1.0.4 - February 2nd, 2005
+ * - added Delphi & Python
+ * - multi-line comments fixed
+ * - language name can be set through w3c valid 'class' attribute
+ * - HighlightAll(name, [showGutter], [showTools])
+ *
+ * 1.0.3 - December 31th, 2004 (added PHP & SQL)
+ * 1.0.2 - December 28th, 2004 (refactoring with namespaces)
+ * 1.0.1 - December 14th, 2004
+ * 1.0.0 - November 13th, 2004
+ */
+
+// create namespaces
+var dp = {
+ sh : // dp.sh
+ {
+ Utils : {}, // dp.sh.Utils
+ Brushes : {} // dp.sh.Brushes
+ }
+};
+
+dp.sh.Config = {
+ Version : '1.1.0',
+ About : '<html><head><title>About...</title></head><body class="dp-about"><table cellspacing="0"><tr><td class="copy"><div class="para title">dp.SyntaxHighlighter</div><div class="para">Version: {V}</div><div class="para"><a href="http://www.dreamprojections.com/sh/?ref=about" target="_blank">http://www.dreamprojections.com/SyntaxHighlighter</a></div>&copy;2004-2005 Dream Projections Inc. All right reserved.</td></tr><tr><td class="footer"><input type="button" class="close" value="OK" onClick="window.close()"/></td></tr></table></body></html>'
+};
+
+dp.SyntaxHighlighter = dp.sh;
+
+
+
+// opens a new windows and puts the original unformatted source code inside.
+dp.sh.Utils.ViewSource = function(sender)
+{
+ var code = sender.parentNode.originalCode;
+ var wnd = window.open('', '_blank', 'width=750, height=400, location=0, resizable=1, menubar=0, scrollbars=1');
+
+ code = code.replace(/</g, '&lt;');
+
+ wnd.document.write('<pre>' + code + '</pre>');
+ wnd.document.close();
+}
+
+// copies the original source code in to the clipboard (IE only)
+dp.sh.Utils.ToClipboard = function(sender)
+{
+ var code = sender.parentNode.originalCode;
+
+ // This works only for IE. There's a way to make it work with Mozilla as well,
+ // but it requires security settings changed on the client, which isn't by
+ // default, so 99% of users won't have it working anyways.
+ if(window.clipboardData)
+ {
+ window.clipboardData.setData('text', code);
+
+ alert('The code is in your clipboard now.');
+ }
+}
+
+// creates an invisible iframe, puts the original source code inside and prints it
+dp.sh.Utils.PrintSource = function(sender)
+{
+ var td = sender.parentNode;
+ var code = td.processedCode;
+ var iframe = document.createElement('iframe');
+ var doc = null;
+ var wnd =
+
+ // this hides the iframe
+ iframe.style.cssText = 'position:absolute; width:0px; height:0px; left:-5px; top:-5px;';
+
+ td.appendChild(iframe);
+
+ doc = iframe.contentWindow.document;
+ code = code.replace(/</g, '&lt;');
+
+ doc.open();
+ doc.write('<pre>' + code + '</pre>');
+ doc.close();
+
+ iframe.contentWindow.focus();
+ iframe.contentWindow.print();
+
+ td.removeChild(iframe);
+}
+
+dp.sh.Utils.About = function()
+{
+ var wnd = window.open('', '_blank', 'dialog, width=320, height=150');
+ var doc = wnd.document;
+
+ var styles = document.getElementsByTagName('style');
+ var links = document.getElementsByTagName('link');
+
+ doc.write(dp.sh.Config.About.replace('{V}', dp.sh.Config.Version));
+
+ // copy over ALL the styles from the parent page
+ for(var i = 0; i < styles.length; i++)
+ doc.write('<style>' + styles[i].innerHTML + '</style>');
+
+ for(var i = 0; i < links.length; i++)
+ if(links[i].rel.toLowerCase() == 'stylesheet')
+ doc.write('<link type="text/css" rel="stylesheet" href="' + links[i].href + '"></link>');
+
+ doc.close();
+ wnd.focus();
+}
+
+
+
+
+
+// creates a new match object
+dp.sh.Match = function(value, index, css)
+{
+ this.value = value;
+ this.index = index;
+ this.length = value.length;
+ this.css = css;
+}
+
+
+
+
+
+dp.sh.Highlighter = function()
+{
+ this.addGutter = true;
+ this.addControls = true;
+ this.tabsToSpaces = true;
+}
+
+// static callback for the match sorting
+dp.sh.Highlighter.SortCallback = 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;
+}
+
+// gets a list of all matches for a given regular expression
+dp.sh.Highlighter.prototype.GetMatches = function(regex, css)
+{
+ var index = 0;
+ var match = null;
+
+ while((match = regex.exec(this.code)) != null)
+ {
+ this.matches[this.matches.length] = new dp.sh.Match(match[0], match.index, css);
+ }
+}
+
+dp.sh.Highlighter.prototype.AddBit = function(str, css)
+{
+ var span = document.createElement('span');
+
+ str = str.replace(/&/g, '&amp;');
+ str = str.replace(/ /g, '&nbsp;');
+ str = str.replace(/</g, '&lt;');
+ str = str.replace(/\n/gm, '&nbsp;<br />');
+
+ // when adding a piece of code, check to see if it has line breaks in it
+ // and if it does, wrap individual line breaks with span tags
+ if(css != null)
+ {
+ var regex = new RegExp('<br />', 'gi');
+
+ if(regex.test(str))
+ {
+ var lines = str.split('&nbsp;<br />');
+
+ str = '';
+
+ for(var i = 0; i < lines.length; i++)
+ {
+ span = document.createElement('span');
+ span.className = css;
+ span.innerHTML = lines[i];
+
+ this.div.appendChild(span);
+
+ // don't add a <br /> for the last line
+ if(i + 1 < lines.length)
+ {
+ this.div.appendChild(document.createElement('br'));
+ }
+ }
+ }
+ else
+ {
+ span.className = css;
+ span.innerHTML = str;
+ this.div.appendChild(span);
+ }
+ }
+ else
+ {
+ span.innerHTML = str;
+ this.div.appendChild(span);
+ }
+}
+
+// checks if one match is inside another
+dp.sh.Highlighter.prototype.IsInside = function(match)
+{
+ if(match == null || match.length == 0)
+ {
+ return;
+ }
+
+ for(var i = 0; i < this.matches.length; i++)
+ {
+ var c = this.matches[i];
+
+ if(c == null)
+ {
+ continue;
+ }
+
+ if((match.index > c.index) && (match.index <= c.index + c.length))
+ {
+ return true;
+ }
+ }
+
+ return false;
+}
+
+dp.sh.Highlighter.prototype.ProcessRegexList = function()
+{
+ for(var i = 0; i < this.regexList.length; i++)
+ {
+ this.GetMatches(this.regexList[i].regex, this.regexList[i].css);
+ }
+}
+
+dp.sh.Highlighter.prototype.ProcessSmartTabs = function(code)
+{
+ var lines = code.split('\n');
+ var result = '';
+ var tabSize = 4;
+ var tab = '\t';
+
+ // This function inserts specified amount of spaces in the string
+ // where a tab is while removing that given tab.
+ function InsertSpaces(line, pos, count)
+ {
+ var left = line.substr(0, pos);
+ var right = line.substr(pos + 1, line.length); // pos + 1 will get rid of the tab
+ var spaces = '';
+
+ for(var i = 0; i < count; i++)
+ {
+ spaces += ' ';
+ }
+
+ return left + spaces + right;
+ }
+
+ // This function process one line for 'smart tabs'
+ function ProcessLine(line, tabSize)
+ {
+ 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;
+ }
+
+ // Go through all the lines and do the 'smart tabs' magic.
+ for(var i = 0; i < lines.length; i++)
+ {
+ var line = lines[i];
+ result += ProcessLine(line, tabSize) + '\n';
+ }
+
+ return result;
+}
+
+dp.sh.Highlighter.prototype.SwitchToTable = function()
+{
+ // Safari fix: for some reason lowercase <br /> isn't getting picked up, even though 'i' is set
+ var lines = this.div.innerHTML.split(/<br \/>/gi);
+ var row = null;
+ var cell = null;
+ var html = '';
+ var pipe = ' | ';
+
+ // creates an anchor to a utility
+ function UtilHref(util, text)
+ {
+ return '<a href="#" onclick="dp.sh.Utils.' + util + '(this); return false;">' + text + '</a>';
+ }
+
+ row = this.table.insertRow(-1);
+
+ if(this.addGutter == true)
+ {
+ cell = row.insertCell(-1);
+ cell.className = 'tools-corner';
+ }
+
+ if(this.addControls == true)
+ {
+ cell = row.insertCell(-1);
+
+ cell.originalCode = this.originalCode;
+ cell.processedCode = this.code;
+
+ cell.className = 'tools';
+ cell.innerHTML = UtilHref('ViewSource', 'view plain') + pipe + UtilHref('PrintSource', 'print');
+
+ if(window.clipboardData)
+ {
+ cell.innerHTML += pipe + UtilHref('ToClipboard', 'copy to clipboard');
+ }
+
+ cell.innerHTML += pipe + UtilHref('About', '?');
+ }
+
+ for(var i = 0; i < lines.length - 1; i++)
+ {
+ row = this.table.insertRow(-1);
+
+ if(this.addGutter == true)
+ {
+ cell = row.insertCell(-1);
+ cell.className = 'gutter';
+ cell.innerHTML = i + 1;
+ }
+
+ cell = row.insertCell(-1);
+ cell.className = 'line';
+ cell.innerHTML = lines[i];
+ }
+
+ this.div.innerHTML = '';
+}
+
+dp.sh.Highlighter.prototype.Highlight = function(code)
+{
+ // This function strips all new lines and spaces
+ // from the beging and end of the string .
+ function Trim(str)
+ {
+ var begining = new RegExp('^[\\s\\n]', 'g');
+ var end = new RegExp('[\\s\\n]$', 'g');
+
+ while(begining.test(str))
+ {
+ str = str.substr(1);
+ }
+
+ while(end.test(str))
+ {
+ str = str.substr(0, str.length - 1);
+ }
+
+ return str;
+ }
+
+ // This function returns a portions of the string
+ // from pos1 to pos2 inclusive.
+ function Copy(string, pos1, pos2)
+ {
+ return string.substr(pos1, pos2 - pos1);
+ }
+
+ var pos = 0;
+
+ this.originalCode = code;
+ this.code = Trim(code);
+ this.div = document.createElement('div');
+ this.table = document.createElement('table');
+ this.matches = new Array();
+
+ if(this.CssClass != null)
+ {
+ this.table.className = this.CssClass;
+ }
+
+ // replace tabs with spaces
+ if(this.tabsToSpaces == true)
+ {
+ this.code = this.ProcessSmartTabs(this.code);
+ }
+
+ this.table.border = 0;
+ this.table.cellSpacing = 0;
+ this.table.cellPadding = 0;
+
+ this.ProcessRegexList();
+
+ // if no matches found, do nothing
+ if(this.matches.length == 0)
+ {
+ return;
+ }
+
+ // sort the matches
+ this.matches = this.matches.sort(dp.sh.Highlighter.SortCallback);
+
+ // The following loop checks to see if any of the matches are inside
+ // of other matches. This process would get rid of highligting strings
+ // inside comments, keywords inside strings and so on.
+ for(var i = 0; i < this.matches.length; i++)
+ {
+ if(this.IsInside(this.matches[i]))
+ {
+ this.matches[i] = null;
+ }
+ }
+
+ // 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 < this.matches.length; i++)
+ {
+ var match = this.matches[i];
+
+ if(match == null || match.length == 0)
+ {
+ continue;
+ }
+
+ this.AddBit(Copy(this.code, pos, match.index), null);
+ this.AddBit(match.value, match.css);
+
+ pos = match.index + match.length;
+ }
+
+ this.AddBit(this.code.substr(pos), null);
+
+ this.SwitchToTable();
+}
+
+dp.sh.Highlighter.prototype.GetKeywords = function(str)
+{
+ return '\\b' + str.replace(/ /g, '\\b|\\b') + '\\b';
+}
+
+// highlightes all elements identified by name and gets source code from specified property
+dp.sh.HighlightAll = function(name, showGutter /* optional */, showControls /* optional */)
+{
+ var elements = document.getElementsByName(name);
+ var highlighter = null;
+ var registered = new Object();
+ var propertyName = 'value';
+
+ function FindValue()
+ {
+ var a = arguments;
+
+ for(var i = 0; i < a.length; i++)
+ if(a[i] != null && ((typeof(a[i]) == 'string' && a[i] != '') || (typeof(a[i]) == 'object' && a[i].value != '')))
+ return a[i];
+
+ return null;
+ }
+
+ if(elements == null)
+ {
+ return;
+ }
+
+ // if showGutter isn't set, default to TRUE
+ if(showGutter == null)
+ {
+ showGutter = true;
+ }
+
+ // if showControls isn't set, default to TRUE
+ if(showControls == null)
+ {
+ showControls = true;
+ }
+
+ // 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 language = FindValue(element.attributes['class'], element.className, element.attributes['language'], element.language);
+
+ if(language == null)
+ continue;
+
+ if(language.value)
+ language = language.value;
+
+ language = (language + '').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;
+ highlighter.addControls = showControls;
+ 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);
+ }
+}
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