Class: Trellis::Renderer

Inherits:
Object show all
Includes:
Radius
Defined in:
lib/trellis/trellis.rb

Overview

– Renderer – Responsible for processing tags/components in the page templates Uses the Radius context object onto which components registered themselves (the tags that they respond to)

Instance Method Summary collapse

Constructor Details

#initialize(page) ⇒ Renderer

Returns a new instance of Renderer.



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# File 'lib/trellis/trellis.rb', line 614

def initialize(page)
  @page = page
  @context = Context.new
  
  # add all instance variables in the page as values accesible from the tags
  page.instance_variables.each do |var|
    value = page.instance_variable_get(var)
    unless value.kind_of?(Trellis::Page)
      sym = "#{var}=".split('@').last.to_sym
      @context.globals.send(sym, value)
    end
  end

  # add other useful values to the tag context
  @context.globals.send(:page_name=, page.class.to_s)

  #TODO add public page methods to the context

  
  # add the page to the context too
  @context.globals.page = page
  
  # register the components contained in the page with the renderer's context
  page.class.components.each do |component|
    component.register_with_tag_context(@context)
  end 
  
  @parser = Parser.new(@context, :tag_prefix => 'trellis')
end

Instance Method Details

#render ⇒ Object 



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# File 'lib/trellis/trellis.rb', line 644

def render
  @parser.parse(@page.class.parsed_template.to_html)
end