Contents

module Merb
  module Template


    module Erubis
      ::Merb::Controller.register_engine self, %w[ herb jerb erb ]
      class << self
        
        @@erbs = {}
        @@mtimes = {}
        
        def exempt_from_layout?
          false    
        end
    
        def transform(options = {})
          opts, file, view_context = options.values_at(:opts, :file, :view_context)
          eruby = new_eruby_obj(file)
          view_context.class.send(:include, ::Merb::ErubisCaptureMixin)
          eruby.evaluate(view_context)
        end
        
        def new_eruby_obj(path)
          if @@erbs[path] && !cache_template?(path)
            return @@erbs[path]
          else  
            begin
              returning ::Erubis::MEruby.new(IO.read(path)) do |eruby|
                eruby.init_evaluator :filename => path
                if cache_template?(path)
                  @@erbs[path], @@mtimes[path] = eruby, Time.now
                end  
              end
            rescue Errno::ENOENT
              raise "No template found at path: #{path}"
            end
          end  
        end
        
        def cache_template?(path)
          return false unless ::Merb::Server.config[:cache_templates]
          return true unless @@erbs[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/erubis.rb