Code Prettifier Plugin

Compatible with DokuWiki

2015-08-10, 2016-06-26, 2017-02-19, 2018-04-22a

Syntax highlighting of source code snippets in wiki page using google-code-prettify (javascript module with CSS files)

Last updated on: 2019-09-29
Provides: Syntax
Repository: Source
Conflicts with: syntaxhighlighter4

This extension has not been updated in over 2 years. It may no longer be maintained or supported and may have compatibility issues.

Tagged with code, syntaxhighlight

By s.sahara

Installation

Require PHP 7.0.x or later!

Search and install the plugin using the Extension Manager. Refer to plugin installation instructions.

Note: After updated to 2015-09-12 release, you can remove older “google-code-prettify” subfolder in this plugin directory.

<Code:txt> Test of text </Code>

<Code:css> <style> hello </style> </Code>

Feature

This plugin enable syntax highlighting of code snippets in your page using Javascript code prettifier (former “google-code-prettify”). This plugin package includes subset of Javascript code prettifier, they are separately licensed under the Apache License, Version 2.0

You can configure Code Prettifier plugin to override DokuWiki built-in syntax <code> for code blocks.
you may use skin (css file) for code block.

Examples/Usage

Enclose code snippets using <Code> and </Code> tag to show it pretty-printed in wiki page.
Prettify module makes a best effort to guess the language but works best with C-like and HTML-like languages.
To specify language hint for Prettify, you can use
1. <Code:ext> (file extension, you must put it just after “Code:” keyword)
2. <Code lang-ext> option
For example, use <Code:css> or <Code lang-css> to specify that the code is Cascading Style Sheets (CSS).
use linenums or nolinenums option to turn on/off line numbering. You can add a colon and the number to the end of the option, eg. linenums:12 to specify start line number.
If you want to add title for code block, you can specify it after | that will be shown just above the code box.

<Code:php linenums:1 |Example #1 Our first PHP script: //hello.php//>
<html>
  <head>
  <title>PHP Test</title>
 </head>
 <body>
 <?php echo '<p>Hello World</p>'; ?> 
 </body>
</html>
</Code>

Configuration and Settings

Config key	Description
`override`	override DokuWiki built-in syntax <code> for Code Blocks.
`linenums`	enable line numbering implicitly.
`url_loader`	url of prettify loader (default blank) obsoleted since 2015-09-12 release
`url_prettify_handlers`	Base URL for prettify.js and optional language handler scripts ex: https://cdn.rawgit.com/google/code-prettify/master/src/ (default blank) available in 2015-09-12 release
`url_prettify_skins`	Base URL for color theme for code-prettify (css) ex: https://cdn.rawgit.com/google/code-prettify/master/styles/ (default blank) available in 2015-09-12 release
`lang_handlers`	additional langage handler (comma separated)
`skin`	color theme/skin for code-prettify (CSS filename in code-prettify/styles/)

Detail information of the Javascript code prettifier is available from:

https://github.com/google/code-prettify/blob/master/docs/getting_started.md

This plugin package contains some skins those found in Prettify Themes Gallery. You may set one of following css filename in the skin field.

desert.css
doxy.css
sons-of-obsidian.css
sunburst.css

Other color themes for Prettify will be found at http://jmblog.github.io/color-themes-for-google-code-prettify/

Development

Change Log from github repository

update version (2023-09-16 09:43)
Fix warning on access array offset on value of type null (2023-09-16 09:19)
rewrite to prevent PHP8 E_Warnings (2023-09-15 05:40)
update version (2023-08-29 13:47)
update url of code-prettify (2023-08-29 13:40)

ToDo/Wish List

Collapse/Expand Code Feature
follow recent updates of Japascript code prettifier project

FAQ

Non-highlight code block

use <Code:none> or <Code lang-none> to prevent highlight code. Maybe useful to show error log output or console output.

<Code:none>
This is not any kind of code.
</Code>

Geshi options in DowkuWiki

DowkuWiki suppports some additional Geshi options for syntax highlighting since its 2018-04-22 release (Greebo). The extra Geshi options are to be specified inside [ and ]. The code prettifier plugin should also recognize them, and following example will work fine for both DokuWiki original syntax and code prettifier plugin (except <code> and <Code> markup tag respectively).

<Code C [enable_line_numbers=1, start_line_numbers_at=42]>
void main () {
    printf ("Hello World!");
    exit 0;
}
</Code>

Known Bugs and Issues

Discussion

Using current dokuwiki theme and prettifyer with <Code linenums> does print a linenumber only on every fifth. line.

To solve just add .prettyprint ol.linenums > li { list-style-type: decimal; } to lib/plugins/codeprettify/all.css

目录