📄 dpsyntaxhighlighter.js
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/**
* Code Syntax Highlighter.
* Version 1.2.0
* Copyright (C) 2004 Alex Gorbatchev.
* http://www.dreamprojections.com/syntaxhighlighter/
*
* This library is free software; you can redistribute it and/or modify it under the terms of the GNU Lesser General
* Public License as published by the Free Software Foundation; either version 2.1 of the License, or (at your option)
* any later version.
*
* This library 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 Lesser General Public License for more
* details.
*
* You should have received a copy of the GNU Lesser General Public License along with this library; if not, write to
* the Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
//
// create namespaces
//
var dp = {
sh : // dp.sh
{
Utils : {}, // dp.sh.Utils
Brushes : {}, // dp.sh.Brushes
Strings : {}
},
Version : '1.2.0'
};
dp.sh.Strings = {
AboutDialog : '<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>©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>',
// tools
ExpandCode : '+ expand code',
ViewPlain : 'view plain',
Print : '',
CopyToClipboard : '',
About : '',
CopiedToClipboard : 'The code is in your clipboard now.'
};
dp.SyntaxHighlighter = dp.sh;
//
// Dialog and toolbar functions
//
dp.sh.Utils.Expand = function(sender)
{
var table = sender;
var span = sender;
// find the span in which the text label and pipe contained so we can hide it
while(span != null && span.tagName != 'SPAN')
span = span.parentNode;
// find the table
while(table != null && table.tagName != 'TABLE')
table = table.parentNode;
// remove the 'expand code' button
span.parentNode.removeChild(span);
table.tBodies[0].className = 'show';
table.parentNode.style.height = '100%'; // containing div isn't getting updated properly when the TBODY is shown
}
// 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, '<');
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(dp.sh.Strings.CopiedToClipboard);
}
}
// 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, '<');
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,scrollbars=0');
var doc = wnd.document;
var styles = document.getElementsByTagName('style');
var links = document.getElementsByTagName('link');
doc.write(dp.sh.Strings.AboutDialog.replace('{V}', dp.sh.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();
}
//
// Match object
//
dp.sh.Match = function(value, index, css)
{
this.value = value;
this.index = index;
this.length = value.length;
this.css = css;
}
//
// Highlighter object
//
dp.sh.Highlighter = function()
{
this.addGutter = true;
this.addControls = true;
this.collapse = false;
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, '&');
str = str.replace(/ /g, ' ');
str = str.replace(/</g, '<');
str = str.replace(/\n/gm, ' <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(' <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 any other match
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++)
result += ProcessLine(lines[i], 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 tBody = 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>';
}
tBody = document.createElement('TBODY'); // can be created and all others go to tBodies collection.
this.table.appendChild(tBody);
if(this.addGutter == true)
{
row = tBody.insertRow(-1);
cell = row.insertCell(-1);
cell.className = 'tools-corner';
}
if(this.addControls == true)
{
var tHead = document.createElement('THEAD'); // controls will be placed in here
this.table.appendChild(tHead);
row = tHead.insertRow(-1);
// add corner if there's a gutter
if(this.addGutter == true)
{
cell = row.insertCell(-1);
cell.className = 'tools-corner';
}
cell = row.insertCell(-1);
// preserve some variables for the controls
cell.originalCode = this.originalCode;
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