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Is there a way to get R syntax highlighting in confluence? I've tried General configuration > configure code macro > add new language, but I have no clue how to upload a custom brush syntax for R..has anyone already done this or is there a way I can get it for R ?
726
For adding a syntax-highlighting "brush" javascript file I found the following process to work nicely.
get yourself the latest Syntaxhighlighter from: http://alexgorbatchev.com/SyntaxHighlighter/
e.g. 3.0.83 as of 2016-05
unpack it and create an index.html file that uses it like:
<!DOCTYPE html>
<html lang="de">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8"/>
<!-- Include required JS files -->
<script type="text/javascript" src="js/shCore.js"></script>
<!--
At least one brush, here we choose JS. You need to include a brush for every
language you want to highlight
-->
<script type="text/javascript" src="css/shBrushRule.js"></script>
<!-- Include *at least* the core style and default theme -->
<link href="css/shCore.css" rel="stylesheet" type="text/css" />
<link href="css/shThemeDefault.css" rel="stylesheet" type="text/css" />
</head>
<body>
<!-- You also need to add some content to highlight, but that is covered elsewhere. -->
<pre class="brush: R">
add your R code here
</pre>
<!-- Finally, to actually run the highlighter, you need to include this JS on your page -->
<script type="text/javascript">
SyntaxHighlighter.all()
</script>
</body>
</html>
in the
<pre></pre>
you might want to add some R code. To create an R brush you might want to go from some of the brushes in the css folder:
shBrushAS3.js shBrushDelphi.js shBrushPerl.js shBrushSass.js
shBrushAppleScript.js shBrushDiff.js shBrushPhp.js shBrushScala.js shBrushBash.js shBrushErlang.js shBrushPlain.js shBrushSql.js
shBrushCSharp.js shBrushGroovy.js shBrushPowerShell.js shBrushTcl.js
shBrushColdFusion.js shBrushJScript.js shBrushPython.js shBrushVb.js
shBrushCpp.js shBrushJava.js shBrushRuby.js shBrushXml.js
shBrushCss.js shBrushJavaFX.js shBrushRule.js
it just needs a few lines of code and regular expressions to setup the keywords and comment, variable and other rules. When you have created (or searched for it on the internet e.g https://gist.github.com/yihui/1804862) your shBrushR.js file and are happy with it you can upload it to confluence via General configuration > configure code macro > add new language (and hopefully add the resulting js file to this answer to make this a fully complete solution - sorry I don't know R myself so I can't help much with this part)
See the below R brush (taken from the link above) as an example:
/**
* Author: Yihui Xie
* URL: http://yihui.name/en/2010/09/syntaxhighlighter-brush-for-the-r-language
* License: GPL-2 | GPL-3
*/
SyntaxHighlighter.brushes.R = function()
{
var keywords = 'if else repeat while function for in next break TRUE FALSE NULL Inf NaN NA NA_integer_ NA_real_ NA_complex_ NA_character_';
var constants = 'LETTERS letters month.abb month.name pi';
this.regexList = [
{ regex: SyntaxHighlighter.regexLib.singleLinePerlComments, css: 'comments' },
{ regex: SyntaxHighlighter.regexLib.singleQuotedString, css: 'string' },
{ regex: SyntaxHighlighter.regexLib.doubleQuotedString, css: 'string' },
{ regex: new RegExp(this.getKeywords(keywords), 'gm'), css: 'keyword' },
{ regex: new RegExp(this.getKeywords(constants), 'gm'), css: 'constants' },
{ regex: /[\w._]+[ \t]*(?=\()/gm, css: 'functions' },
];
};
SyntaxHighlighter.brushes.R.prototype = new SyntaxHighlighter.Highlighter();
SyntaxHighlighter.brushes.R.aliases = ['r', 's', 'splus'];
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