Markdown Highlight Extended Filter for HTML::Pipeline

An HTML::Pipeline filter to convert Octopress-flavored syntax highlighting, like this:

``` [language] [title] [url] [link text]
code snippet
```

See: http://octopress.org/docs/blogging/code/

Installation

Add this line to your application's Gemfile:

gem 'markdown-highlight-extended-filter'

And then execute:

$ bundle

Or install it without Gemfile (like, Jekyll project):

$ gem install markdown-highlight-extended-filter

Usage

pipeline = HTML::Pipeline.new [
  MarkdownHighlightExtendedFilter,
  HTML::Pipeline::MarkdownFilter
]

pipeline.call(File.read("example.md"))[:output]

example.md:

Here is a sample:

```ruby test.rb
def abc
  123
end
```

Jekyll site usage

This filter is for HTML::Pipeline, so you must use HTML::Pipeline to generate your content from Markdown. See gjtorikian/jekyll-html-pipeline for more details.

Edit _config.yml and configure the pieline like this:

gems:
- jekyll-html-pipeline
- markdown-highlight-extended-filter

markdown: HTMLPipeline

html_pipeline:
  filters:
    - "MarkdownHighlightExtendedFilter" # Must put before markdownfilter
    - "markdownfilter"

Known Issues

Unsupported features:

• Line Numbers
• Line Highlights

These were defined in Octopress's document as additional options. (PR welcome!)

Special Thanks

The code to convert complex syntax highlighting was stolen from Octopress Project. See imathis/octopress:plugins/backtick_code_block.rb@73e5404 for the original source code. Also thanks contributers: @imathis, @fhemberger and @liangsun. I hope you don't mind :D

Contributing

1. Fork it ( https://github.com/chitsaou/markdown-highlight-extended-filter/fork )
2. Create your feature branch (git checkout -b my-new-feature)
3. Commit your changes (git commit -am 'Add some feature')
4. Push to the branch (git push origin my-new-feature)
5. Create a new Pull Request