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Code syntax highlighting

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Revision as of 21:31, 19 October 2008 by chris collman (talk | contribs) (→‎Supported languages: change HTML link)

You can color or highlight code snippets within Moodle resources, forum posts etc. To do so you must install the GeSHi (Generic Syntax Highlighter) Filter. This makes the power of GeSHi available in Moodle through the use of a pair of special tags.

Installing

You can download the GeSHi filter from here:

http://geshi.org/downloads/moodle-geshi-filter-0.1.0.zip

To install, unzip that archive into your filter/ directory and then enable it in the admin filter configuration screen.

Instructions for use

Enclose your code in spans like so:

[code lang]your code goes here [/code]
[code lang linenumbers]your code with line numbers [/code]
[code lang highlight=1,2,6-9]your code with lines 1, 2 and 6 to 9 highlighted "extra" [/code]
[code lang linenumbers start=4]start the line numbers at "4" [/code]

Supported languages

and many others. See the GeSHi homepage for full details.

Options

See the examples above. This filter is still under development so things may change.

Demo

The filter has recently been installed on Moodle.org and can be seen in use there. For example see this post:

http://moodle.org/mod/forum/discuss.php?d=25413#195644

The GeSHi homepage also has an interactive demo.

http://qbnz.com/highlighter/demo.php

History

This filter used to use <span syntax="language">...</span> as markers for code. However this changed after conflicts with the HTMLArea editor became apparent.

Development

At this time this filter is under development. Suggestions for new features and bug reports are welcome, please post them in the discussion thread.

See also