initial commit

.gitignore

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+pkg/*
+*.gem
+.bundle

Gemfile

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+source "http://rubygems.org"
+
+# Specify your gem's dependencies in walrus.gemspec
+gemspec
+gem 'rails', '>=3.0.0'
+gem 'mustache'

Rakefile

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+require 'bundler'
+Bundler::GemHelper.install_tasks

lib/walrus.rb

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+require 'walrus/handler'
+require 'walrus/view'
+
+ActionView::Template.register_template_handler(:mustache, Walrus::Handler)

lib/walrus/handler.rb

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+module Walrus
+  class Handler < ActionView::Template::Handler
+    include ActionView::Template::Handlers::Compilable
+
+    self.default_format = :mustache
+
+    def compile(template)
+      view_path = "#{template.virtual_path}_view"
+      abs_view_path = Rails.root.join('app/views', view_path)
+      if File.exists? "#{abs_view_path}.rb"
+        require abs_view_path
+        view_class = view_path.sub('/_','/').classify.constantize
+        Rails.logger.debug(view_class)
+      else
+        view_class = Walrus::View
+      end
+      "#{view_class}.new(self, '#{template.source.gsub(/'/, "\\\\'")}').render.html_safe"
+    end
+  end
+end

lib/walrus/version.rb

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+module Walrus
+  VERSION = "0.0.1"
+end

lib/walrus/view.rb

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+module Walrus
+  class View < Mustache
+
+    def initialize(view_context, template_source)
+      @view_context = view_context
+      self.template = template_source
+      assign_variables!
+    end
+
+    def respond_to?(method_sym, include_private = false)
+      if view_context.respond_to?(method_sym) 
+        true
+      else
+        super
+      end
+    end
+
+    def method_missing(method_name, *args, &block)
+      instance_var = instance_variable_get("@#{method_name}")
+      if defined?(instance_var) && args.empty?
+        instance_var
+      else
+        view_context.send(method_name,*args, &block)
+      end
+    end
+
+    private
+
+    attr_reader :view_context
+
+    def assign_variables!
+      variables = view_context.instance_variable_names.select{|name| name =~ /^@[^_]/}
+      variables.each do |name|
+        instance_var = view_context.instance_variable_get(name)
+        instance_variable_set(name, instance_var)
+        self[name.tr('@','').to_sym] = instance_var
+      end
+    end
+  end
+end

walrus.gemspec

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+# -*- encoding: utf-8 -*-
+$:.push File.expand_path("../lib", __FILE__)
+require "walrus/version"
+
+Gem::Specification.new do |s|
+  s.name        = "walrus"
+  s.version     = Walrus::VERSION
+  s.platform    = Gem::Platform::RUBY
+  s.authors     = ["Oliver Nightingale", "Mark Evans"]
+  s.email       = ["oliver.nightingale1@gmail.com"]
+  s.homepage    = "http://rubygems.org/gems/walrus"
+  s.summary     = %q{mustaches}
+  s.description = %q{mustaches are cool}
+
+  s.rubyforge_project = "walrus"
+
+  s.files         = `git ls-files`.split("\n")
+  s.test_files    = `git ls-files -- {test,spec,features}/*`.split("\n")
+  s.executables   = `git ls-files -- bin/*`.split("\n").map{ |f| File.basename(f) }
+  s.require_paths = ["lib"]
+end