├── sample_data
    └── _config.yml
├── README.textile
└── haml.rb


/sample_data/_config.yml:
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1 | haml_folder: **/*.haml
2 | sass_folder: **/*.sass
3 | 


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/README.textile:
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 1 | h1. HAML Jekyll extension
 2 | 
 3 | Auto-generates html and css files for your layouts in HAML/SASS (you can still have your liquid syntax)
 4 | 
 5 | This extension uses "_jekyll_ext_":http://github.com/rfelix/jekyll_ext, which allows you to extend the Jekyll static blog generator without forking and modifying it's codebase. 
 6 | With this code, not only do your extensions live in your blog directory, but they can also be shared and reutilized.
 7 | 
 8 | Use this extension with _jekyll_ext_ by just cloning this repo into the <em>_extensions</em> dir of your blog: <code>git clone git://github.com/codegram/haml_jekyll_extension.git _extensions</code>
 9 | 
10 | More information about _jekyll_ext_ can be found here: "Jekyll Extensions -= Pain":http://rfelix.com/2010/01/19/jekyll-extensions-minus-equal-pain/
11 | 


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/haml.rb:
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 1 | require 'rubygems'
 2 | require 'haml'
 3 | require 'sass'
 4 | 
 5 | module Jekyll
 6 |   class Site
 7 | 
 8 |     def haml2html
 9 |       folder = self.config['haml_folder'] || '**/*.haml'
10 |       compile( ["*.haml", folder], /\.haml$/, ".html", Haml::Engine )
11 |     end  
12 | 
13 |     def sass2css
14 |       folder = self.config['folder'] || '**/*.sass'
15 |       compile( ["*.sass", folder], /\.sass$/, ".css", Sass::Engine )
16 |     end  
17 | 
18 |     def scss2css
19 |       folder = self.config['scss_folder'] || '**/*.scss'
20 |       compile( ["*.scss", folder], /\.scss$/, ".css", Sass::Engine, syntax: :scss )
21 |     end  
22 | 
23 |     private
24 | 
25 |     def compile( files, input_regex, output_extension, engine, options = {} )
26 | 
27 |       Dir.glob(files).each do |f| 
28 |         origin = File.open(f).read
29 |         result = engine.new( origin, options ).render
30 |         if !result.empty?
31 | 
32 |           puts "Rendering #{f}"
33 |           output_file_name = f.gsub!( input_regex, output_extension )
34 | 
35 |           if file_outdated?( output_file_name, result )
36 |             File.open( output_file_name, 'w' ) do |f|
37 |               f.write( result )
38 |             end
39 |           end
40 | 
41 |         end
42 |       end
43 |     end
44 | 
45 |     def file_outdated?( file, result )
46 |       !File.exists?(file) or (File.exists?(file) and result != File.read(file))
47 |     end
48 | 
49 |   end
50 | 
51 |   AOP.before(Site, :render) do |site_instance, result, args|
52 |     site_instance.haml2html
53 |   end
54 | 
55 |   AOP.before(Site, :render) do |site_instance, result, args|
56 |     site_instance.sass2css
57 |   end
58 | 
59 |   AOP.before(Site, :render) do |site_instance, result, args|
60 |     site_instance.scss2css
61 |   end
62 | 
63 |   AOP.around(Site, :filter_entries) do |site_instance, args, proceed, abort|
64 |     result = proceed.call
65 |     result.reject do |entry|
66 |       entry.match(/\.haml$/) ||
67 |       entry.match(/\.sass$/) ||
68 |       entry.match(/\.scss$/)
69 |     end
70 |   end
71 | end
72 | 


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