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commit 07aa17cbbb191efd9554637b3171df70add38a62 0 parents
Lee Jarvis authored
0  .gemtest
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4 .gitignore
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+*.gem
+.bundle
+Gemfile.lock
+pkg/*
4 Gemfile
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+source "http://rubygems.org"
+
+# Specify your gem's dependencies in rack-pygmentize.gemspec
+gemspec
20 LICENSE
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+Copyright (c) 2010 Lee Jarvis
+
+Permission is hereby granted, free of charge, to any person obtaining
+a copy of this software and associated documentation files (the
+"Software"), to deal in the Software without restriction, including
+without limitation the rights to use, copy, modify, merge, publish,
+distribute, sublicense, and/or sell copies of the Software, and to
+permit persons to whom the Software is furnished to do so, subject to
+the following conditions:
+
+The above copyright notice and this permission notice shall be
+included in all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
+LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
+OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
+WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
21 README.md
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+Rack::Pygmentize
+================
+
+Get colorful with Rack::Pygmentize! Rack::Pygmentize uses the awesome
+[Pygments](http://pygments.org/) library to make your code look pretty!
+Thanks to [Albino](https://github.com/github/albino) the Pygmentizing
+process is super awesome and made of win.
+
+Installation
+------------
+
+Ensure you have [Pygments](http://pygments.org/) installed and the
+`pygmentize` executable is available in your `PATH`. Then run
+
+ gem install rack-pygmentize
+
+Usage
+-----
+
+Just add `use Rack::Pygmentize` to your `config.ru`. See the example
+in the `/examples` directory.
6 Rakefile
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+task :test do
+ require './lib/rack/pygmentize'
+ require 'minitest/autorun'
+ begin; require 'turn'; rescue LoadError; end
+ require_relative './test/rack_pygmentize_test'
+end
93 examples/rack-pygmentize.rb
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+require '../lib/rack/pygmentize'
+
+str = DATA.read
+app = proc {|e| [200, {'Content-Type' => 'text/html'}, [str]] }
+builder = Rack::Builder.new
+builder.use Rack::Pygmentize
+builder.run app
+Rack::Handler::WEBrick.run(builder, :Port => 3000)
+
+__END__
+<html>
+<head>
+ <title>Hello</title>
+ <style type="text/css">
+ pre {line-height:150%;font-family:Monaco, monospace;font-size: 12px;padding:10px;border-top:1px solid #ccc;border-bottom:1px solid #ccc;}
+ pre .c{color:#998;font-style:italic;}
+ pre .err{color:#a61717;background-color:#e3d2d2;}
+ pre .k{font-weight:bold;}
+ pre .o{font-weight:bold;}
+ pre .cm{color:#998;font-style:italic;}
+ pre .cp{color:#999;font-weight:bold;}
+ pre .c1{color:#998;font-style:italic;}
+ pre .cs{color:#999;font-weight:bold;font-style:italic;}
+ pre .gd{color:#000;background-color:#fdd;}
+ pre .gd .x{color:#000;background-color:#faa;}
+ pre .ge{font-style:italic;}
+ pre .gr{color:#a00;}
+ pre .gh{color:#999;}
+ pre .gi{color:#000;background-color:#dfd;}
+ pre .gi .x{color:#000;background-color:#afa;}
+ pre .go{color:#888;}
+ pre .gp{color:#555;}
+ pre .gs{font-weight:bold;}
+ pre .gu{color:#800080;font-weight:bold;}
+ pre .gt{color:#a00;}
+ pre .kc{font-weight:bold;}
+ pre .kd{font-weight:bold;}
+ pre .kp{font-weight:bold;}
+ pre .kr{font-weight:bold;}
+ pre .kt{color:#458;font-weight:bold;}
+ pre .m{color:#099;}
+ pre .s{color:#d14;}
+ pre .na{color:#008080;}
+ pre .nb{color:#0086B3;}
+ pre .nc{color:#458;font-weight:bold;}
+ pre .no{color:#008080;}
+ pre .ni{color:#800080;}
+ pre .ne{color:#900;font-weight:bold;}
+ pre .nf{color:#900;font-weight:bold;}
+ pre .nn{color:#555;}
+ pre .nt{color:#000080;}
+ pre .nv{color:#008080;}
+ pre .ow{font-weight:bold;}
+ pre .w{color:#bbb;}
+ pre .mf{color:#099;}
+ pre .mh{color:#099;}
+ pre .mi{color:#099;}
+ pre .mo{color:#099;}
+ pre .sb{color:#d14;}
+ pre .sc{color:#d14;}
+ pre .sd{color:#d14;}
+ pre .s2{color:#d14;}
+ pre .se{color:#d14;}
+ pre .sh{color:#d14;}
+ pre .si{color:#d14;}
+ pre .sx{color:#d14;}
+ pre .sr{color:#009926;}
+ pre .s1{color:#d14;}
+ pre .ss{color:#990073;}
+ pre .bp{color:#999;}
+ pre .vc{color:#008080;}
+ pre .vg{color:#008080;}
+ pre .vi{color:#008080;}
+ pre .il{color:#099;}
+ </style>
+</head>
+<body>
+
+ <h1>Ruby</h1>
+ <pre lang="ruby">
+ def hello(item)
+ puts 'Hello ' + item + '!'
+ end
+ </pre>
+
+ <h1>Python</h1>
+ <pre lang="python">
+ def hello(item):
+ print 'Hello ' + item + '!'
+ </pre>
+
+</body>
+</html>
5 lib/rack-pygmentize.rb
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+module Rack
+ module Pygmentize
+ # Your code goes here...
+ end
+end
5 lib/rack-pygmentize/version.rb
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+module Rack
+ module Pygmentize
+ VERSION = "0.0.1"
+ end
+end
39 lib/rack/pygmentize.rb
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+require 'rack'
+require 'nokogiri'
+require 'albino'
+
+module Rack
+ class Pygmentize
+ def initialize(app, xpath="//pre[@lang]")
+ @app, @xpath = app, xpath
+ end
+
+ def call(env)
+ call!(env)
+ end
+
+ def call!(env)
+ @env = env.dup
+ status, headers, body = @app.call(@env)
+
+ if headers['Content-Type'] && headers['Content-Type'].include?('text/html')
+ headers.delete('Content-Length')
+ Rack::Response.new(parse(body), status, headers).finish
+ else
+ [status, headers, body]
+ end
+ end
+
+ private
+
+ def parse(body)
+ doc = Nokogiri::HTML(body[0])
+ doc.search(@xpath).each do |pre|
+ code = Albino.colorize(pre.text.rstrip, pre[:lang])
+ pre.inner_html = code[28 .. -13]
+ end
+ doc.to_s
+ end
+
+ end
+end
18 rack-pygmentize.gemspec
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+Gem::Specification.new do |s|
+ s.name = "rack-pygmentize"
+ s.version = "1.0.0"
+ s.platform = Gem::Platform::RUBY
+ s.authors = ["Lee Jarvis"]
+ s.email = ["lee@jarvis.co"]
+ s.homepage = "http://github.com/injekt/rack-pygmentize"
+ s.summary = %q{Rack middleware to pygmentize your code blocks}
+ s.description = %q{Rack middleware used to automagically format your code blocks using pygmentize}
+
+ s.files = %w(lib/rack/pygmentize.rb Rakefile Gemfile LICENSE README.md .gemtest examples/rack-pygmentize.rb)
+ s.test_files = %w(test/rack_pygmentize_test.rb)
+ s.require_paths = ["lib"]
+
+ s.add_runtime_dependency(%q<rack>, [">= 1.0.0"])
+ s.add_runtime_dependency(%q<nokogiri>, [">= 1.4.4"])
+ s.add_runtime_dependency(%q<albino>, [">= 1.3.2"])
+end
32 test/rack_pygmentize_test.rb
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+class RackPygmentizeTest < MiniTest::Unit::TestCase
+ def response(body, xpath="//pre[@lang]")
+ builder = Rack::Builder.new
+ builder.use Rack::Pygmentize, xpath
+ builder.run proc { |e| [200, {'Content-Type' => 'text/html'}, [body]] }
+ Rack::MockRequest.new(builder).get '/'
+ end
+
+ def test_replace_markup
+ res = response(%Q(<pre lang="ruby">def foo; end</pre>))
+ assert res.body.include?('<span class="k">')
+ end
+
+ def test_alternative_xpath
+ res = response(%Q(<code lang="ruby">def foo; end</code>), '//code[@lang]')
+ assert res.body.include?('<span class="k">')
+ end
+
+ def test_negative_alternative_xpath
+ res = response(%Q(<pre lang="ruby">def foo; end</pre>), '//code[@lang]')
+ assert !res.body.include?('<span class="k">')
+ end
+
+ def test_multiple_code_blocks
+ res = response(%Q(
+ <pre lang="ruby">def foo; end</pre>
+ <pre lang="python">def foo:</pre>
+ ))
+ assert res.body.include?('python"><span')
+ assert res.body.include?('ruby"><span')
+ end
+end
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