Module: Capcode::Helpers

Defined in:
lib/capcode/render/less.rb

Instance Method Summary collapse

Instance Method Details

#render_less(f, opts) ⇒ Object

:nodoc:



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# File 'lib/capcode/render/less.rb', line 9

def render_less( f, opts ) #:nodoc:
  if @less_path.nil?
    @less_path = Capcode::Configuration.get( :less ) || Capcode.static()
  end

  f = f.to_s
  if f.include? '..'
    return [403, {}, '403 - Invalid path']
  end
  
  if /Windows/.match( ENV['OS'] )
    unless( /.:\\/.match( @less_path[0] ) )
      @less_path = File.expand_path( File.join(".", @less_path) )
    end
  else
    unless( @less_path[0].chr == "/" )
      @less_path = File.expand_path( File.join(".", @less_path) )
    end
  end
  
  # Get less File
  f = f + ".less" if File.extname( f ) != ".less"
  file = File.join( @less_path, f )
  
  # Set content-type
  @response['Content-Type'] = "text/css"
  
  # Render
  if( File.exist?( file ) )
    Less::Engine.new(open(file)).to_css
  else
    raise Capcode::RenderError, "Error rendering `less', #{file} does not exist !"
  end
end