/**
* 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 : // dp.sh
{
Utils : {}, // dp.sh.Utils
Brushes : {}, // dp.sh.Brushes
Strings : {},
Version : '1.3.0'
}
};
dp.sh.Strings = {
AboutDialog : 'About...
',
// tools
ExpandCode : '+ expand code',
ViewPlain : 'view plain',
Print : 'print',
CopyToClipboard : 'copy to clipboard',
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(/' + code + '');
wnd.document.close();
}
dp.sh.Utils.encodeValue = function (value) {
value = value.replace( /&/g, "&" );
value = value.replace( /'/g, "'" );
value = value.replace( /"/g, """ );
value = value.replace( //g, ">" );
value = value.replace( /\r\n/g, "&nl;");
value = value.replace( /\r/g, "&nl;");
value = value.replace( /\n/g, "&nl;");
return value;
}
dp.sh.Utils.RunJWS = function(sender)
{
var code = sender.parentNode.originalCode;
var form = document.createElement("FORM");
form.action = "http://www.pnuts.org/articles/example/run.php";
form.method = "post";
var name = document.createElement("INPUT");
name.name = "name";
name.value = dp.sh.Utils.encodeValue("Pnuts Example");
form.appendChild(name);
var src = document.createElement("INPUT");
src.name = "src";
src.value = dp.sh.Utils.encodeValue(code);
form.appendChild(src);
document.body.appendChild(form);
form.submit();
document.body.removeChild(form);
}
// 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(/' + code + '');
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('');
for(var i = 0; i < links.length; i++)
if(links[i].rel.toLowerCase() == 'stylesheet')
doc.write('');
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(/');
// 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(' ', 'gi');
if(regex.test(str))
{
var lines = str.split(' ');
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 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()
{
// thanks to Lachlan Donald from SitePoint.com for this tag fix.
var html = this.div.innerHTML.replace(/<(br)\/?>/gi, '\n');
var lines = html.split('\n');
var row = null;
var cell = null;
var tBody = null;
var html = '';
var pipe = ' | ';
// creates an anchor to a utility
function UtilHref(util, text)
{
return '' + text + '';
}
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;
cell.processedCode = this.code;
cell.className = 'tools';
if(this.collapse == true)
{
tBody.className = 'hide';
cell.innerHTML += '' + UtilHref('Expand', dp.sh.Strings.ExpandCode) + '' + pipe + '';
}
if (this.language == "pnuts") {
if (!this.title) this.title = "Pnuts Script";
cell.innerHTML += "" + this.title + " ";
if (this.showJWS) cell.innerHTML += UtilHref('RunJWS', "Run with JWS");
} else if (this.language == "java") {
if (!this.title) this.title = "Java Code";
cell.innerHTML += "" + this.title + " ";
} else if (this.language == "other") {
if (!this.title) this.title = "Other";
cell.innerHTML += "" + this.title + " ";
}
//cell.innerHTML += UtilHref('ViewSource', dp.sh.Strings.ViewPlain) + pipe + UtilHref('PrintSource', dp.sh.Strings.Print);
// IE has this clipboard object which is easy enough to use
//if(window.clipboardData)
// cell.innerHTML += pipe + UtilHref('ToClipboard', dp.sh.Strings.CopyToClipboard);
//cell.innerHTML += pipe + UtilHref('About', dp.sh.Strings.About);
}
for(var i = 0, lineIndex = this.firstLine; i < lines.length - 1; i++, lineIndex++)
{
row = tBody.insertRow(-1);
if(this.addGutter == true)
{
cell = row.insertCell(-1);
cell.className = 'gutter';
cell.innerHTML = lineIndex;
}
cell = row.insertCell(-1);
cell.className = 'line' + (i % 2 + 1); // uses .line1 and .line2 css styles for alternating lines
cell.innerHTML = lines[i];
}
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 = 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, add entire code as plain text
if(this.matches.length == 0)
{
this.AddBit(this.code, null);
this.SwitchToTable();
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 */, collapseAll /* optional */, firstLine /* 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.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]]();
highlighter.language = 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;
highlighter.showJWS = IsOptionSet('jws', options);
highlighter.title = GetOptionValue('title', options);
// 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);
}
}
// Hardcode pnuts brush.
dp.sh.Brushes.Pnuts = function()
{
var keywords = 'super this function if else while do for foreach switch case default break new yield null try catch finally continue return true false instanceof class import macro throw static import package getContext class throw catch finally use unuse autoload require eval defined quit abstract final private protected public static strictfp throws extends implements native synchronized threadsafe volatile transient boolean byte char double float int long short void';
this.regexList = [
{ regex: new RegExp('//.*$', 'gm'), css: 'comment' }, // one line comments
{ regex: new RegExp('/\\*[\\s\\S]*?\\*/', 'g'), css: 'comment' }, // multiline comments
{ regex: new RegExp('"(?:[^"\n]|[\"])*?"', 'g'), css: 'string' }, // double quoted strings
{ regex: new RegExp("'(?:[^'\n]|[\'])*?'", 'g'), css: 'string' }, // single quoted strings
{ regex: new RegExp("`(?:[^`])*?`", 'g'), css: 'string' }, // literal strings
{ regex: new RegExp(this.GetKeywords(keywords), 'gm'), css: 'keyword' } // keywords
];
this.CssClass = 'dp-pnuts';
}
dp.sh.Brushes.Pnuts.prototype = new dp.sh.Highlighter();
dp.sh.Brushes.Pnuts.Aliases = ['pnuts'];
dp.sh.Brushes.Other = function()
{
var keywords = 'super this function if else while do for switch case default break new null try catch finally continue return true false instanceof class import throw static import package class throw catch finally abstract final private protected public static throws extends implements native synchronized volatile transient boolean byte char double float int long short void';
this.regexList = [
{ regex: new RegExp('//.*$', 'gm'), css: 'comment' }, // one line comments
{ regex: new RegExp('/\\*[\\s\\S]*?\\*/', 'g'), css: 'comment' }, // multiline comments
{ regex: new RegExp('"(?:[^"\n]|[\"])*?"', 'g'), css: 'string' }, // double quoted strings
{ regex: new RegExp("'(?:[^'\n]|[\'])*?'", 'g'), css: 'string' }, // single quoted strings
{ regex: new RegExp("`(?:[^`])*?`", 'g'), css: 'string' }, // literal strings
{ regex: new RegExp(this.GetKeywords(keywords), 'gm'), css: 'keyword' } // keywords
];
this.CssClass = 'dp-pnuts';
}
dp.sh.Brushes.Other.prototype = new dp.sh.Highlighter();
dp.sh.Brushes.Other.Aliases = ['java', 'other'];
//showGutter, showControls, collapseAll, firstLine)
dp.SyntaxHighlighter.HighlightAll('code');