Initial commit

Author: josh

LICENSE

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+Copyright (c) 2010 Jeremy Ashkenas
+
+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.

README.md

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+Ruby CoffeeScript
+=================
+
+Ruby CoffeeScript is a thin wrapper around the `coffee` binary.
+
+    CoffeeScript.compile File.open("script.coffee")
+
+Dependencies
+------------
+
+This is **not** the CoffeeScript parser. This means you need to install `node` and `coffee`.
+
+If your `coffee` binary is in a weird location, you can specify the path by hand.
+
+    CoffeeScript.coffee_bin = "/usr/local/bin/coffee"

Rakefile

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+require 'rake/testtask'
+
+task :default => :test
+
+Rake::TestTask.new do |t|
+  t.warning = true
+end

coffee-script.gemspec

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+Gem::Specification.new do |s|
+  s.name      = 'coffee-script'
+  s.version   = '0.9.0'
+  s.date      = '2010-9-10'
+
+  s.homepage    = "http://github.com/josh/ruby-coffee-script"
+  s.summary     = "The CoffeeScript Compiler"
+  s.description = <<-EOS
+    CoffeeScript is a little language that compiles into JavaScript. Think
+    of it as JavaScript's less ostentatious kid brother -- the same genes,
+    roughly the same height, but a different sense of style. Apart from a
+    handful of bonus goodies, statements in CoffeeScript correspond
+    one-to-one with their equivalent in JavaScript, it's just another
+    way of saying it.
+  EOS
+
+  s.files = [
+    'lib/coffee-script.rb',
+    'lib/coffee_script.rb',
+    'LICENSE',
+    'README.md4'
+  ]
+
+  s.requirements << 'node'
+  s.requirements << 'coffee-script'
+
+  s.authors           = ['Jeremy Ashkenas']
+  s.email             = '[email protected]'
+  s.rubyforge_project = 'coffee-script'
+end

lib/coffee-script.rb

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+require 'coffee_script'

lib/coffee_script.rb

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+module CoffeeScript
+  def self.locate_coffee_bin
+    out = `which coffee`
+    if $?.success?
+      out.chomp
+    else
+      raise LoadError, "could not find `coffee` in PATH"
+    end
+  end
+
+  def self.coffee_bin
+    @@coffee_bin ||= locate_coffee_bin
+  end
+
+  def self.coffee_bin=(path)
+    @@coffee_bin = path
+  end
+
+  # Compile a script (String or IO) to JavaScript.
+  def self.compile(script, options = {})
+    script = script.read if script.respond_to?(:read)
+    command = "#{coffee_bin} -sp"
+    command += " --no-wrap" if options[:no_wrap]
+
+    IO.popen(command, "w+") do |f|
+      f << script
+      f.close_write
+      f.read
+    end
+  end
+end

test/test_coffee_script.rb

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+require 'coffee_script'
+require 'test/unit'
+require 'stringio'
+
+class TestCoffeeScript < Test::Unit::TestCase
+  def test_compile
+    assert_equal "(function() {\n  puts('Hello, World!');\n})();\n",
+      CoffeeScript.compile("puts 'Hello, World!'\n")
+  end
+
+  def test_compile_with_io
+    io = StringIO.new("puts 'Hello, World!'\n")
+    assert_equal "(function() {\n  puts('Hello, World!');\n})();\n",
+      CoffeeScript.compile(io)
+  end
+
+  def test_compile_with_no_wrap
+    assert_equal "puts('Hello, World!');",
+      CoffeeScript.compile("puts 'Hello, World!'\n", :no_wrap => true)
+  end
+end