Module: Dimples::Renderable

Included in:
Page, Post, Template
Defined in:
lib/dimples/renderable.rb

Overview

A mixin class that handles rendering via a Tilt template.

Instance Method Summary collapse

Instance Method Details

#build_scope(context) ⇒ Object 



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# File 'lib/dimples/renderable.rb', line 22

def build_scope(context)
  context[:site] ||= @site
  context[:this] ||= self
  context[:type] ||= self.class.name.split('::').last.downcase.to_sym

  scope = Object.new

  context.each_pair do |key, value|
    scope.instance_variable_set("@#{key}".to_sym, value)
  end

  scope
end

#render(context = {}, body = nil, use_layout = true) ⇒ Object 



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# File 'lib/dimples/renderable.rb', line 6

def render(context = {}, body = nil, use_layout = true)
  output = renderer.render(build_scope(context)) { body }.strip
  @rendered_contents = output

  if use_layout && defined?(@layout) && @site.templates[@layout]
    output = @site.templates[@layout].render(context, output)
  end

  output
rescue => e
  error_name = e.class.to_s.gsub(/([A-Z])/, ' \\1').strip.downcase
  error_message = "Unable to render #{@path || self.class} (#{error_name})"

  raise Errors::RenderingError.new, error_message
end

#renderer ⇒ Object 



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# File 'lib/dimples/renderable.rb', line 36

def renderer
  callback = proc { contents }

  if @path
    extension = File.extname(@path)[1..-1]
    options = @site.config['rendering'][extension] || {}

    Tilt.new(@path, options, &callback)
  else
    Tilt::StringTemplate.new(&callback)
  end
end