lib/tilt/haml.rb
require 'tilt/template' module Tilt # Haml template implementation. See: # http://haml.hamptoncatlin.com/ class HamlTemplate < Template self.default_mime_type = 'text/html' def self.engine_initialized? defined? ::Haml::Engine end def initialize_engine require_template_library 'haml' end def prepare options = @options.merge(:filename => eval_file, :line => line) @engine = ::Haml::Engine.new(data, options) end def evaluate(scope, locals, &block) if @engine.respond_to?(:precompiled_method_return_value, true) super else @engine.render(scope, locals, &block) end end # Precompiled Haml source. Taken from the precompiled_with_ambles # method in Haml::Precompiler: # http://github.com/nex3/haml/blob/master/lib/haml/precompiler.rb#L111-126 def precompiled_template(locals) @engine.precompiled end def precompiled_preamble(locals) local_assigns = super @engine.instance_eval do <<-RUBY begin extend Haml::Helpers _hamlout = @haml_buffer = Haml::Buffer.new(@haml_buffer, #{options_for_buffer.inspect}) _erbout = _hamlout.buffer __in_erb_template = true _haml_locals = locals #{local_assigns} RUBY end end def precompiled_postamble(locals) @engine.instance_eval do <<-RUBY #{precompiled_method_return_value} ensure @haml_buffer = @haml_buffer.upper end RUBY end end end end