645 lines
16 KiB
JavaScript
Executable File
645 lines
16 KiB
JavaScript
Executable File
/**
|
|
* Code Syntax Highlighter.
|
|
* Version 1.3.0
|
|
* 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 :
|
|
{
|
|
Toolbar : {},
|
|
Utils : {},
|
|
RegexLib: {},
|
|
Brushes : {},
|
|
Strings : {},
|
|
Version : '1.4.1'
|
|
}
|
|
};
|
|
|
|
dp.sh.Strings = {
|
|
AboutDialog : '<html><head><title>About...</title></head><body class="dp-about"><table><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>'
|
|
};
|
|
|
|
dp.SyntaxHighlighter = dp.sh;
|
|
|
|
//
|
|
// Toolbar functions
|
|
//
|
|
|
|
dp.sh.Toolbar.Commands = {
|
|
ExpandSource: {
|
|
label: '+ expand source',
|
|
check: function(highlighter) { return highlighter.collapse; },
|
|
func: function(sender, highlighter)
|
|
{
|
|
sender.parentNode.removeChild(sender);
|
|
highlighter.div.className = highlighter.div.className.replace('collapsed', '');
|
|
}
|
|
},
|
|
|
|
// opens a new windows and puts the original unformatted source code inside.
|
|
ViewSource: {
|
|
label: 'view plain',
|
|
func: function(sender, highlighter)
|
|
{
|
|
var code = highlighter.originalCode.replace(/</g, '<');
|
|
var wnd = window.open('', '_blank', 'width=750, height=400, location=0, resizable=1, menubar=0, scrollbars=1');
|
|
wnd.document.write('<textarea style="width:99%;height:99%">' + code + '</textarea>');
|
|
wnd.document.close();
|
|
}
|
|
},
|
|
|
|
// copies the original source code in to the clipboard (IE only)
|
|
CopyToClipboard: {
|
|
label: 'copy to clipboard',
|
|
check: function() { return window.clipboardData != null; },
|
|
func: function(sender, highlighter)
|
|
{
|
|
window.clipboardData.setData('text', highlighter.originalCode);
|
|
alert('The code is in your clipboard now');
|
|
}
|
|
},
|
|
|
|
// creates an invisible iframe, puts the original source code inside and prints it
|
|
PrintSource: {
|
|
label: 'print',
|
|
func: function(sender, highlighter)
|
|
{
|
|
var iframe = document.createElement('IFRAME');
|
|
var doc = null;
|
|
|
|
// this hides the iframe
|
|
iframe.style.cssText = 'position:absolute;width:0px;height:0px;left:-500px;top:-500px;';
|
|
|
|
document.body.appendChild(iframe);
|
|
doc = iframe.contentWindow.document;
|
|
|
|
dp.sh.Utils.CopyStyles(doc, window.document);
|
|
doc.write('<div class="' + highlighter.div.className.replace('collapsed', '') + ' printing">' + highlighter.div.innerHTML + '</div>');
|
|
doc.close();
|
|
|
|
iframe.contentWindow.focus();
|
|
iframe.contentWindow.print();
|
|
|
|
alert('Printing...');
|
|
|
|
document.body.removeChild(iframe);
|
|
}
|
|
},
|
|
|
|
About: {
|
|
label: '?',
|
|
func: function(highlighter)
|
|
{
|
|
var wnd = window.open('', '_blank', 'dialog,width=300,height=150,scrollbars=0');
|
|
var doc = wnd.document;
|
|
|
|
dp.sh.Utils.CopyStyles(doc, window.document);
|
|
|
|
doc.write(dp.sh.Strings.AboutDialog.replace('{V}', dp.sh.Version));
|
|
doc.close();
|
|
wnd.focus();
|
|
}
|
|
}
|
|
};
|
|
|
|
// creates a <div /> with all toolbar links
|
|
dp.sh.Toolbar.Create = function(highlighter)
|
|
{
|
|
var div = document.createElement('DIV');
|
|
|
|
div.className = 'tools';
|
|
|
|
for(var name in dp.sh.Toolbar.Commands)
|
|
{
|
|
var cmd = dp.sh.Toolbar.Commands[name];
|
|
|
|
if(cmd.check != null && !cmd.check(highlighter))
|
|
continue;
|
|
|
|
div.innerHTML += '<a href="#" onclick="dp.sh.Toolbar.Command(\'' + name + '\',this);return false;">' + cmd.label + '</a>';
|
|
}
|
|
|
|
return div;
|
|
}
|
|
|
|
// executes toolbar command by name
|
|
dp.sh.Toolbar.Command = function(name, sender)
|
|
{
|
|
var n = sender;
|
|
|
|
while(n != null && n.className.indexOf('dp-highlighter') == -1)
|
|
n = n.parentNode;
|
|
|
|
if(n != null)
|
|
dp.sh.Toolbar.Commands[name].func(sender, n.highlighter);
|
|
}
|
|
|
|
// copies all <link rel="stylesheet" /> from 'target' window to 'dest'
|
|
dp.sh.Utils.CopyStyles = function(destDoc, sourceDoc)
|
|
{
|
|
var links = sourceDoc.getElementsByTagName('link');
|
|
|
|
for(var i = 0; i < links.length; i++)
|
|
if(links[i].rel.toLowerCase() == 'stylesheet')
|
|
destDoc.write('<link type="text/css" rel="stylesheet" href="' + links[i].href + '"></link>');
|
|
}
|
|
|
|
//
|
|
// Common reusable regular expressions
|
|
//
|
|
dp.sh.RegexLib = {
|
|
MultiLineCComments : new RegExp('/\\*[\\s\\S]*?\\*/', 'gm'),
|
|
SingleLineCComments : new RegExp('//.*$', 'gm'),
|
|
SingleLinePerlComments : new RegExp('#.*$', 'gm'),
|
|
DoubleQuotedString : new RegExp('"(?:\\.|(\\\\\\")|[^\\""])*"','g'),
|
|
SingleQuotedString : new RegExp("'(?:\\.|(\\\\\\')|[^\\''])*'", 'g')
|
|
};
|
|
|
|
//
|
|
// 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.noGutter = false;
|
|
this.addControls = true;
|
|
this.collapse = false;
|
|
this.tabsToSpaces = true;
|
|
this.wrapColumn = 80;
|
|
this.showColumns = 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;
|
|
}
|
|
|
|
dp.sh.Highlighter.prototype.CreateElement = function(name)
|
|
{
|
|
var result = document.createElement(name);
|
|
result.highlighter = this;
|
|
return result;
|
|
}
|
|
|
|
// 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)
|
|
{
|
|
if(str == null || str.length == 0)
|
|
return;
|
|
|
|
var span = this.CreateElement('span');
|
|
|
|
|
|
// NoWhereMan: we'll expect the code to be well-formed and already escaped
|
|
|
|
/*
|
|
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 = this.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(this.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 false;
|
|
|
|
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.SwitchToList = function()
|
|
{
|
|
// thanks to Lachlan Donald from SitePoint.com for this <br/> tag fix.
|
|
var html = this.div.innerHTML.replace(/<(br)\/?>/gi, '\n');
|
|
var lines = html.split('\n');
|
|
|
|
if(this.addControls == true)
|
|
this.bar.appendChild(dp.sh.Toolbar.Create(this));
|
|
|
|
// add columns ruler
|
|
if(this.showColumns)
|
|
{
|
|
var div = this.CreateElement('div');
|
|
var columns = this.CreateElement('div');
|
|
var showEvery = 10;
|
|
var i = 1;
|
|
|
|
while(i <= 150)
|
|
{
|
|
if(i % showEvery == 0)
|
|
{
|
|
div.innerHTML += i;
|
|
i += (i + '').length;
|
|
}
|
|
else
|
|
{
|
|
div.innerHTML += '·';
|
|
i++;
|
|
}
|
|
}
|
|
|
|
columns.className = 'columns';
|
|
columns.appendChild(div);
|
|
this.bar.appendChild(columns);
|
|
}
|
|
|
|
for(var i = 0, lineIndex = this.firstLine; i < lines.length - 1; i++, lineIndex++)
|
|
{
|
|
var li = this.CreateElement('li');
|
|
var span = this.CreateElement('span');
|
|
|
|
// uses .line1 and .line2 css styles for alternating lines
|
|
li.className = (i % 2 == 0) ? 'alt' : '';
|
|
span.innerHTML = lines[i] + ' ';
|
|
|
|
li.appendChild(span);
|
|
this.ol.appendChild(li);
|
|
}
|
|
|
|
this.div.innerHTML = '';
|
|
}
|
|
|
|
dp.sh.Highlighter.prototype.Highlight = function(code)
|
|
{
|
|
function Trim(str)
|
|
{
|
|
return str.replace(/^\s*(.*?)[\s\n]*$/g, '$1');
|
|
}
|
|
|
|
function Chop(str)
|
|
{
|
|
return str.replace(/\n*$/, '').replace(/^\n*/, '');
|
|
}
|
|
|
|
function Unindent(str)
|
|
{
|
|
var lines = str.split('\n');
|
|
var indents = new Array();
|
|
var regex = new RegExp('^\\s*', 'g');
|
|
var min = 1000;
|
|
|
|
// go through every line and check for common number of indents
|
|
for(var i = 0; i < lines.length && min > 0; i++)
|
|
{
|
|
if(Trim(lines[i]).length == 0)
|
|
continue;
|
|
|
|
var matches = regex.exec(lines[i]);
|
|
|
|
if(matches != null && matches.length > 0)
|
|
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');
|
|
}
|
|
|
|
// 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 = Chop(Unindent(code));
|
|
this.div = this.CreateElement('div');
|
|
this.bar = this.CreateElement('div');
|
|
this.ol = this.CreateElement('ol');
|
|
this.matches = new Array();
|
|
|
|
this.div.className = 'dp-highlighter';
|
|
this.div.highlighter = this;
|
|
|
|
this.bar.className = 'bar';
|
|
|
|
// set the first line
|
|
this.ol.start = this.firstLine;
|
|
|
|
if(this.CssClass != null)
|
|
this.ol.className = this.CssClass;
|
|
|
|
if(this.collapse)
|
|
this.div.className += ' collapsed';
|
|
|
|
if(this.noGutter)
|
|
this.div.className += ' nogutter';
|
|
|
|
// replace tabs with spaces
|
|
if(this.tabsToSpaces == true)
|
|
this.code = this.ProcessSmartTabs(this.code);
|
|
|
|
this.ProcessRegexList();
|
|
|
|
// if no matches found, add entire code as plain text
|
|
if(this.matches.length == 0)
|
|
{
|
|
this.AddBit(this.code, null);
|
|
this.SwitchToList();
|
|
this.div.appendChild(this.ol);
|
|
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 highligted 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.SwitchToList();
|
|
this.div.appendChild(this.bar);
|
|
this.div.appendChild(this.ol);
|
|
}
|
|
|
|
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 */, collapseAll /* optional */, firstLine /* optional */, showColumns /* optional */)
|
|
{
|
|
function FindValue()
|
|
{
|
|
var a = arguments;
|
|
|
|
for(var i = 0; i < a.length; i++)
|
|
{
|
|
if(a[i] == null)
|
|
continue;
|
|
|
|
if(typeof(a[i]) == 'string' && a[i] != '')
|
|
return a[i] + '';
|
|
|
|
if(typeof(a[i]) == 'object' && a[i].value != '')
|
|
return a[i].value + '';
|
|
}
|
|
|
|
return null;
|
|
}
|
|
|
|
function IsOptionSet(value, list)
|
|
{
|
|
for(var i = 0; i < list.length; i++)
|
|
if(list[i] == value)
|
|
return true;
|
|
|
|
return false;
|
|
}
|
|
|
|
function GetOptionValue(name, list, defaultValue)
|
|
{
|
|
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.getElementsByTagName('pre'); //getElementByName(code)
|
|
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.noGutter = (showGutter == null) ? IsOptionSet('nogutter', options) : !showGutter;
|
|
highlighter.addControls = (showControls == null) ? !IsOptionSet('nocontrols', options) : showControls;
|
|
highlighter.collapse = (collapseAll == null) ? IsOptionSet('collapse', options) : collapseAll;
|
|
highlighter.showColumns = (showColumns == null) ? IsOptionSet('showcolumns', options) : showColumns;
|
|
|
|
// first line idea comes from Andrew Collington, thanks!
|
|
highlighter.firstLine = (firstLine == null) ? parseInt(GetOptionValue('firstline', options, 1)) : firstLine;
|
|
|
|
highlighter.Highlight(element.innerHTML);//element[propertyName]);
|
|
|
|
|
|
element.parentNode.insertBefore(highlighter.div, element);
|
|
}
|
|
}
|