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Contents
require 'syntax/convertors/html'
class Typo
class Textfilter
class Code < TextFilterPlugin::MacroPre
plugin_display_name "Code"
plugin_description "Apply syntax highlighting to a code block"
def self.help_text
%{
You can use `<typo:code>` to include syntax-highlighted code blocks. Example:
<typo:code lang="ruby">
class Foo
def bar
"abcde"
end
end
</typo:code>
This uses the Ruby [Syntax](http://syntax.rubyforge.org/) module. Options:
* **lang**. Sets the programming language. Currently supported languages are
`ruby`, `yaml`, and `xml`. Other languages will format correctly but will not
have syntax highlighting.
* **linenumber**. Turns on line numbering. Use `linenumber="true"` to enable.
* **title**. Adds a title block to the top of the code block.
* **class**. Adds a new CSS class to the wrapper around the code block.
}
end
def self.macrofilter(blog,content,attrib,params,text="")
lang = attrib['lang'] || 'default'
title = attrib['title']
cssclass = attrib['class']
linenumber = attrib['linenumber']
text = text.to_s.gsub(/\r/,'').gsub(/\A\n/,'').chomp
convertor = Syntax::Convertors::HTML.for_syntax lang
text = convertor.convert(text)
text.gsub!(/<pre>/,"<pre><code class=\"typocode_#{lang} #{cssclass}\"><notextile>")
text.gsub!(/<\/pre>/,"</notextile></code></pre>")
if(linenumber)
lines = text.split(/\n/).size
linenumbers = (1..lines).to_a.collect{|line| line.to_s}.join("\n")
text = "<table class=\"typocode_linenumber\"><tr><td class=\"lineno\">\n<pre>\n#{linenumbers}\n</pre>\n</td><td width=\"100%\">#{text}</td></tr></table>"
end
if(title)
titlecode="<div class=\"codetitle\">#{title}</div>"
else
titlecode=''
end
"<div class=\"typocode\">#{titlecode}#{text}</div>"
end
end
end
end
Version data entries
11 entries across 11 versions & 1 rubygems