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Client side syntax highlighting using the SyntaxHighlighter

This plugin provides client side syntax highlighting using the SyntaxHighlighter by Alex Gorbatchev. JavaScript needs to be enabled on the clients web browser for this to work.

Syntax Rules

The code goes between the tags %CODE{...}% and %ENDCODE%.

%CODE{...}% can have the following parameters:
Parameter Description
"..." or lang="..." the programming language to be highlighted. see Supported Languages.
autolink="on" prevent links in the highlighted code being clickable
collapse="on" force code view to be collapsed
firstline="value" begin line count at value; default value is 1
gutter="on" enable or disable gutter
highlight="1,2,3" highlight specific lines of code
smarttabs="on" enable or disable smart tabs; note this will only work if there are tabs in your code.
tabsize="value" wet the tab size for tab expansion; default value is 4; note this will only work if there are tabs in your code
padlinenumbers="value" pads line numbers. possible values are
  • false - don't pad line numbers.
  • true - automaticaly pad numbers with minimum required number of leading zeroes.
  • [int] - length up to which pad line numbers.
toolbar="on" enable or disable the toolbar
quickcode="on" enable code copy and paste from double click
light="on" light mode: equavalent to turning off gutter and toolbar
htmlscript="on" allows you to highlight a mixture of HTML/XML code and a script

Using DpSyntaxHighlighterPlugin With Other Syntax Highlighters

Currently all the Foswiki syntax highlighting plugins use the same %CODE% syntax. This allows you to switch the highlighter you use without having to update all your topics to the new syntax. However, it also means that if you have two or more highlighting plugins installed on your system, the plugin that is first in $Foswiki::cfg{PluginsOrder} (or by default, first alphabetically) will consume all the %CODE% blocks.

Version 1.2 of this plugin added support for using the %CODE_DP% syntax, which allows you to explicitly which plugin you want to highlight your code.

Clearly this is not the best solution to the problem of using more than one highlighting plugin. You can read the background on why this approach was taken in the task report.

Supported Languages

The following languages are supported:

Brush Aliases
ActionScript3 as3, actionScript3
AppleScript applescript, as
Bash/shell bash, shell, sh
C# c#, c-sharp, csharp
C++ cpp, cc, c++, c, h, hpp, h++
ColdFusion cf, coldfusion
CSS css
Delphi delphi, pas, pascal
Diff diff, patch
Erlang erl, erlang
Groovy groovy
Haxe haxe, hx
JavaFX javafx, jfx
Java java
JavaScript jscript, js, javascript, json
Perl perl, pl
PHP php
Plain Text plain, text, txt, ascii
PowerShell powershell, ps, posh
Python python, py
Ruby ruby, rails, ror, rb
Sass sass, sccs
Scala scala
SQL sql
TAP tap
TypeScript ts, typescript
Visual Basic vb, vbnet, visualbasic
XML xml, xhtml, xslt, html, plist

Any of these can be used in the lang parameter.


There are a couple of themes to colorize the highlighted code differently. Use


to chose from one of the provided themes:

  • default
  • django
  • eclipse
  • emacs
  • fadetogray
  • mdultra
  • midnight
  • rdark


Below is a screen shot of how the rendered code will look.

screenshot of plugin

Installation Instructions

You do not need to install anything in the browser to use this extension. The following instructions are for the administrator who installs the extension on the server.

Open configure, and open the "Extensions" section. Use "Find More Extensions" to get a list of available extensions. Select "Install".

If you have any problems, or if the extension isn't available in configure, then you can still install manually from the command-line. See http://foswiki.org/Support/ManuallyInstallingExtensions for more help.

If the plugin is installed correcty, the following should be rendered:

 ** Multiline block comments

$stringWithUrl = "http://alexgorbatchev.com";
$stringWithUrl = 'hello world';

ob_start("parseOutputBuffer");    // Start Code Buffering

function parseOutputBuffer($buf) {
  global $portal_small_code, $portal_gzcompress;

  // cleaning out the code.
  if($portal_small_code &amp;&amp; !$portal_gzcompress) {
    $buf = str_replace("  ", "", $buf);
    $buf = str_replace("\n", "", $buf);
    $buf = str_replace(chr(13), "", $buf);


Dp Syntax Highlighter Ver: 3.0.9
Dp Syntax Highlighter License: LGPL 3 (Gnu Lesser General Public License)
Change History:  
29 Aug 2015 3.02: Re-release from github source. Foswikitask:Item13605
Foswikitask:Item13641: Minor doc updates. Allow optional {} on ENDCODE macro. Fix regexes for Perl 5.22 compatibility. Refresh copyright. -- Foswiki:Main.GeorgeClark
29 Aug 2015 3.01(re-released): Fix typo in shInit.js that prevented version 3.01 to work (Foswikitask:Item13605) -- Foswiki:Main.RenMao
30 Jul 2015 3.01: Fix multiple uses of same brush (Foswikitask:Item13373) -- Foswiki:Main.JanKrueger
04 Dec 2014 3.0: Rewrite -- Foswiki:Main.MichaelDaum
27 Oct 2010 2.0: Fix for Foswiki 1.1 (Foswikitask:Item9883); Fix when {JQueryPlugin}{NoConflict} enabled (Foswikitask:Item8358); Fix ascii highlighting -- Foswiki:Main.AndrewJones
31 Jul 2010 1.9: Fix Perl warning in logs (Foswikitask:Item9414) -- Foswiki:Main.AndrewJones
30 Apr 2010 1.8: Improve JQueryPlugin+ZonePlugin support, added CSS notes for NatSkin users, ship .gz compressed CSS and JS files, address some perlcritic-isms (Foswikitask:Item8654) -- Foswiki:Main.PaulHarvey
07 Jan 2010 1.7: Add noautolinks parameter; Doc updates. Thanks to Foswiki:Main.AleksandarJelenak (Foswikitask:Item8363) -- Foswiki:Main.AndrewJones
11 Nov 2009 1.6: Fix incompatibility with JSPopupPlugin (Foswikitask:Item2345) -- Foswiki:Main.AndrewJones
09 Nov 2009 1.5: Fix ascii highlighting (Foswikitask:Item2344) -- Foswiki:Main.AndrewJones
08 Nov 2009 1.4: Upgrade to version 2 of the highlighter and apply patch and docs from Foswiki:Main.JeffVStein (Foswikitask:Item8185) -- Foswiki:Main.AndrewJones
06 Jun 2009 1.3: Added support for pure ascii-output without highlighting (Foswikitask:Item8175); Return an error if the language is not supported -- Foswiki:Main.AndrewJones
29 Mar 2009 1.2: Added %CODE_DP% syntax so it can be used with other syntax highlighters (Foswikitask:Item1353) -- Foswiki:Main.AndrewJones
16 Mar 2009 1.1: Removed call to depreciated function. Will now work correctly with TWikiCompatibilityPlugin disabled -- Foswiki:Main.AndrewJones
25 Jan 2009 Added missing screenshot -- Foswiki:Main.WillNorris
07 Jan 2009 1.0: Ported to Foswiki; Will now use jQuery if found; Added support for Perl. Thanks to Marty Kube -- Foswiki:Main.AndrewJones
25 Mar 2008 Added support for ActionScript 3. Thanks to Mark Walters (digitalflipbook.com) -- Foswiki:Main.ArthurClemens
14646 Fixed adding JS into highlighted HTML (#3) -- Foswiki:Main.AndrewJones
14642 Upgrade highlighter to 1.5.1 -- Foswiki:Main.AndrewJones
14046 Initial version -- Foswiki:Main.AndrewJones