lib/tilt/haml.rb
require 'tilt/template' require 'haml' module Tilt # Haml template implementation. See: # http://haml.hamptoncatlin.com/ class HamlTemplate < Template self.default_mime_type = 'text/html' # `Gem::Version.correct?` may return false because of Haml::VERSION #=> "3.1.8 (Separated Sally)". After Haml 4, it's always correct. if Gem::Version.correct?(Haml::VERSION) && Gem::Version.new(Haml::VERSION) >= Gem::Version.new('5.0.0.beta.2') def prepare options = {}.update(@options).update(filename: eval_file, line: line) if options.include?(:outvar) options[:buffer] = options.delete(:outvar) options[:save_buffer] = true end @engine = ::Haml::TempleEngine.new(options) @engine.compile(data) end def evaluate(scope, locals, &block) raise ArgumentError, 'invalid scope: must not be frozen' if scope.frozen? super end def precompiled_template(locals) @engine.precompiled_with_ambles( [], after_preamble: <<-RUBY __in_erb_template = true _haml_locals = locals RUBY ) end else # Following definitions are for Haml <= 4 and deprecated. def prepare options = @options.merge(:filename => eval_file, :line => line) @engine = ::Haml::Engine.new(data, options) end def evaluate(scope, locals, &block) raise ArgumentError, 'invalid scope: must not be frozen' if scope.frozen? 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 if haml_buffer end RUBY end end end end end