Added assets, gemspec, and a generator

* Added google-code-prettify assets and gem spec following conventions in the jquery-rails gem.
* Added generator to support rails 3.0.x or those rails apps that do not use the asset pipeline

.rvmrc

@@ -0,0 +1 @@
+rvm use ruby-1.9.2@google-code-prettify-rails --create

Gemfile

@@ -0,0 +1,9 @@
+source :gemcutter
+
+# Specify your gem's dependencies in google-code-prettify-rails.gemspec
+gemspec
+# Rails is already being pulled in through gemspec
+# gem "rails", :git => "git://github.com/rails/rails.git"
+gem "rack", :git => "git://github.com/rack/rack.git"
+gem "sprockets", :git => "git://github.com/sstephenson/sprockets.git"
+gem "i18n", "0.6.0beta1"

google-code-prettify-rails.gemspec

@@ -0,0 +1,23 @@
+# -*- encoding: utf-8 -*-
+require File.expand_path('../lib/jquery/rails/version', __FILE__)
+
+Gem::Specification.new do |s|
+  s.name        = "google-code-prettify-rails"
+  s.version     = GoogleCodePrettify::Rails::VERSION
+  s.platform    = Gem::Platform::RUBY
+  s.authors     = ["Ryan Montgomery"]
+  s.email       = ["rmontgomery429@gmail.com"]
+  s.homepage    = "http://rubygems.org/gems/google-code-prettify-rails"
+  s.summary     = "Use Google Code Prettify with Rails 3"
+  s.description = "This gem provides a Javascript module and CSS file that allows syntax highlighting of source code snippets in an html page for your Rails 3 application."
+
+  s.required_rubygems_version = ">= 1.3.6"
+  s.rubyforge_project         = "google-code-prettify-rails"
+
+  s.add_dependency "railties", ">= 3.2.0.beta", "< 5.0"
+  s.add_dependency "thor",     "~> 0.14"
+
+  s.files        = `git ls-files`.split("\n")
+  s.executables  = `git ls-files`.split("\n").select{|f| f =~ /^bin/}
+  s.require_path = 'lib'
+end

lib/generators/google-code-prettify/install/install_generator.rb

@@ -0,0 +1,50 @@
+require 'rails'
+
+# Supply generator for Rails 3.0.x or if asset pipeline is not enabled
+if ::Rails.version < "3.1" || !::Rails.application.config.assets.enabled
+  module GoogleCodePrettify
+    module Generators
+      class InstallGenerator < ::Rails::Generators::Base
+        LANGUAGES = [:apollo, :cli, :css, :go, :hs, :lisp, :lua, :ml, :n, :proto, :scala, :sql, :tex, :vb, :vhdl, :wiki, :xq, :yaml]
+
+        desc "This generator installs Google Code Prettify #{GoogleCodePrettify::Rails::VERSION}"
+
+        LANGUAGES.each do |lang|
+          class_option lang, :type => :boolean, :default => false, :desc => "Include #{lang.to_s}"
+        end
+
+        source_root File.expand_path('../../../../../vendor/assets', __FILE__)
+
+        def copy_prettify
+          say_status("copying", "Google Code Prettify (#{GoogleCodePrettify::Rails::VERSION})", :green)
+          copy_file "javascripts/prettify.js", "public/javascripts/prettify.js"
+          copy_file "stylesheets/prettify.css", "public/stylesheets/prettify.css"
+        end
+
+        def copy_languages
+          LANGUAGES.each do |lang|
+            if options.send "#{lang}?".to_sym
+              say_status("copying", "#{lang}", :green)
+              copy_file "javascripts/lang-#{lang}.js", "public/javascripts/lang-#{lang}.js"
+            end
+          end
+        end
+      end
+    end
+  end
+else
+  module GoogleCodePrettify
+    module Generators
+      class InstallGenerator < ::Rails::Generators::Base
+        desc "Just show instructions so people will know what to do when mistakenly using generator for Rails 3.1 apps"
+
+        def do_nothing
+          say_status("deprecated", "You are using Rails 3.1 with the asset pipeline enabled, so this generator is not needed.")
+          say_status("", "The necessary files are already in your asset pipeline.")
+          say_status("", "Just add `//= require google-code-prettify` and `//= require ` to your app/assets/javascripts/application.js")
+          say_status("", "If you do not want the asset pipeline enabled, you may turn it off in application.rb and re-run this generator.")
+        end
+      end
+    end
+  end
+end

lib/google-code-prettify-rails.rb

@@ -0,0 +1 @@
+require 'google-code-prettify/rails'

lib/google-code-prettify/rails.rb

@@ -0,0 +1,5 @@
+module GoogleCodePrettify
+  module Rails
+    require 'google-code-prettify/rails/version'
+  end
+end

lib/google-code-prettify/rails/version.rb

@@ -0,0 +1,6 @@
+module GoogleCodePrettify
+  module Rails
+    VERSION = "1.0.0"
+    GOOGLE_CODE_PRETTIFY_VERSION = "r187"
+  end
+end

vendor/assets/javascripts/lang-clj.js

@@ -0,0 +1,18 @@
+/*
+ Copyright (C) 2011 Google Inc.
+
+ Licensed under the Apache License, Version 2.0 (the "License");
+ you may not use this file except in compliance with the License.
+ You may obtain a copy of the License at
+
+ http://www.apache.org/licenses/LICENSE-2.0
+
+ Unless required by applicable law or agreed to in writing, software
+ distributed under the License is distributed on an "AS IS" BASIS,
+ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ See the License for the specific language governing permissions and
+ limitations under the License.
+*/
+var a=null;
+PR.registerLangHandler(PR.createSimpleLexer([["opn",/^[([{]+/,a,"([{"],["clo",/^[)\]}]+/,a,")]}"],["com",/^;[^\n\r]*/,a,";"],["pln",/^[\t\n\r \xa0]+/,a,"\t\n\r \xa0"],["str",/^"(?:[^"\\]|\\[\S\s])*(?:"|$)/,a,'"']],[["kwd",/^(?:def|if|do|let|quote|var|fn|loop|recur|throw|try|monitor-enter|monitor-exit|defmacro|defn|defn-|macroexpand|macroexpand-1|for|doseq|dosync|dotimes|and|or|when|not|assert|doto|proxy|defstruct|first|rest|cons|defprotocol|deftype|defrecord|reify|defmulti|defmethod|meta|with-meta|ns|in-ns|create-ns|import|intern|refer|alias|namespace|resolve|ref|deref|refset|new|set!|memfn|to-array|into-array|aset|gen-class|reduce|map|filter|find|nil?|empty?|hash-map|hash-set|vec|vector|seq|flatten|reverse|assoc|dissoc|list|list?|disj|get|union|difference|intersection|extend|extend-type|extend-protocol|prn)\b/,a],
+["typ",/^:[\dA-Za-z-]+/]]),["clj"]);