Contents

begin
  require 'haml/engine'
rescue LoadError
  puts "you must install the haml gem to use .haml templates"
end
module ActionView
  # stub, in case the requires for that active_* stuff of Haml doesn't fail
  # but we are not running Rails ;)
  class Base
    # stub
    def concat
    end
    # stub
    def form_tag
    end
  end
end


module Merb
  module Template
    module Haml
    
      # Custom HAML-options to be merged.
    
      trait :haml_options => {
              :locals => {}
            }
    
       ::Merb::Controller.register_engine self, %w[ haml ]
    
      class << self
        @@hamls ||= {}
        @@mtimes ||= {}
        def exempt_from_layout?
          false    
        end
        
        def transform(options = {})
          opts, file, view_context = options.values_at(:opts, :file, :view_context)
          opts = ancestral_trait[:haml_options].merge(opts)
          if precompiled = get_precompiled(file)
            opts[:precompiled] ||= precompiled
            haml = ::Haml::Engine.new("", opts)
          else
            haml = ::Haml::Engine.new(IO.read(file), opts)
            set_precompiled(file, haml.precompiled)
          end
          haml.to_html(view_context)
        end
      
        private
        
        def get_precompiled(path, opts={})
          if @@hamls[path] && !cache_template?(path)
            return @@hamls[path]
          end   
        end
        
       def set_precompiled(path, precompiled)
         @@hamls[path], @@mtimes[path] = precompiled, Time.now 
       end
        
        def cache_template?(path)
          return false unless ::Merb::Server.config[:cache_templates]
          return true unless @@hamls[path]
          @@mtimes[path] < File.mtime(path) ||
            (File.symlink?(path) && (@@mtimes[path] < File.lstat(path).mtime))
        end
        
      end
      
    end
  end
end

Version data entries

1 entries across 1 versions & 1 rubygems

Version	Path
merb-0.2.0	lib/merb/template/haml.rb