chrisross/static_haml_helpers.rb

## static_haml_helpers.rb
require 'haml' unless defined?(Haml)

module Haml::Helpers

  def slugify(str)
    str.sub(/[^\w]+/,'-').downcase
  end

  # Usage in haml document:
  #   = doc_root 6..10, :class => 'no-js', :lang => "en"
  #     %head
  #       %title Document...
  #
  # Returns to template:
  #   <!--[if lte IE 6]> <html lang='en' class='no-js ie6'> <![endif]-->
  #   <!--[if IE 7]> <html lang='en' class='no-js ie7'> <![endif]-->
  #   <!--[if IE 8]> <html lang=v 'en' class='no-js ie8'> <![endif]-->
  #   <!--[if IE 9]> <html lang='en' class='no-js ie9'> <![endif]-->
  #   <!--[if (gte IE 10)|!(IE)]> <!--><html lang='en' class='no-js'><!-- <![endif]-->
  #
  #   ...captured haml here...
  #
  #   </html>

  def doc_root(versions, attrs={}, &block)

    # Convert range to array
    versions = [*versions].sort.uniq

    # Uncomment below for default language using html_attrs helper method
    # attrs.merge!(html_attrs('en-US'))

    # Capture class if existent classes and flatten incase value is Arrays
    classes = [(attrs.delete :class if attrs.has_key? :class)].flatten

    # Collect array of Haml conditional commented html tags
    template = versions.collect do |ver|
      format = case ver
        when versions.first
          "<!--[if lte IE %d]> <html %s> <![endif]-->"
        when versions.last
          "<!--[if (gte IE %d)|!(IE)]><!--> <html %s> <!--<![endif]-->"
        else
          "<!--[if IE %d]> <html %s> <![endif]-->"
      end

      # Return new Array Object based on classes Array
      attrs[:class] = Array.new classes
      attrs[:class] << "ie#{ver}" unless ver == versions.last

      # Convert Hash key value pairs to a html attribute String
      attrs_str = attrs.to_a.map do |pair|
        pair[1] = pair[1].join(' ') if pair[1].is_a?(Array)
        "%s='%s'" % pair
      end.join(' ')

      sprintf format, ver, attrs_str
    end.join("\n")

    [
      template.chomp,
      capture_haml(&block).chomp,
      "</html>"
    ].join("\n")

  end

  # Usage in haml document:
  #
  # :ruby
  #   locals = {:title => "Page Title"}
  #
  #  = partial 'layout', locals do
  #    %article
  #      %h1 Page Title
  #      %nav= partial 'navigation'

  def partial(template, options={}, &block)
    # expected location of layouts directory is the relative path:
    #  => ../haml/partials/layout_b.haml
    src_dir = File.expand_path('..', File.dirname(__FILE__))
    path = File.join(src_dir,'haml','partials', "#{template}.haml")
    template = File.read(path)
    engine = Haml::Engine.new(template)

    engine.render(Object.new, options) do
      capture_haml(&block) if block_given?
    end

  end

end
	require 'haml' unless defined?(Haml)

	module Haml::Helpers

	def slugify(str)
	str.sub(/[^\w]+/,'-').downcase
	end

	# Usage in haml document:
	# = doc_root 6..10, :class => 'no-js', :lang => "en"
	# %head
	# %title Document...
	#
	# Returns to template:
	# <!--[if lte IE 6]> <html lang='en' class='no-js ie6'> <![endif]-->
	# <!--[if IE 7]> <html lang='en' class='no-js ie7'> <![endif]-->
	# <!--[if IE 8]> <html lang=v 'en' class='no-js ie8'> <![endif]-->
	# <!--[if IE 9]> <html lang='en' class='no-js ie9'> <![endif]-->
	# <!--[if (gte IE 10)\|!(IE)]> <!--><html lang='en' class='no-js'><!-- <![endif]-->
	#
	# ...captured haml here...
	#
	# </html>

	def doc_root(versions, attrs={}, &block)

	# Convert range to array
	versions = [*versions].sort.uniq

	# Uncomment below for default language using html_attrs helper method
	# attrs.merge!(html_attrs('en-US'))

	# Capture class if existent classes and flatten incase value is Arrays
	classes = [(attrs.delete :class if attrs.has_key? :class)].flatten

	# Collect array of Haml conditional commented html tags
	template = versions.collect do \|ver\|
	format = case ver
	when versions.first
	"<!--[if lte IE %d]> <html %s> <![endif]-->"
	when versions.last
	"<!--[if (gte IE %d)\|!(IE)]><!--> <html %s> <!--<![endif]-->"
	else
	"<!--[if IE %d]> <html %s> <![endif]-->"
	end

	# Return new Array Object based on classes Array
	attrs[:class] = Array.new classes
	attrs[:class] << "ie#{ver}" unless ver == versions.last

	# Convert Hash key value pairs to a html attribute String
	attrs_str = attrs.to_a.map do \|pair\|
	pair[1] = pair[1].join(' ') if pair[1].is_a?(Array)
	"%s='%s'" % pair
	end.join(' ')

	sprintf format, ver, attrs_str
	end.join("\n")

	[
	template.chomp,
	capture_haml(&block).chomp,
	"</html>"
	].join("\n")

	end

	# Usage in haml document:
	#
	# :ruby
	# locals = {:title => "Page Title"}
	#
	# = partial 'layout', locals do
	# %article
	# %h1 Page Title
	# %nav= partial 'navigation'

	def partial(template, options={}, &block)
	# expected location of layouts directory is the relative path:
	# => ../haml/partials/layout_b.haml
	src_dir = File.expand_path('..', File.dirname(__FILE__))
	path = File.join(src_dir,'haml','partials', "#{template}.haml")
	template = File.read(path)
	engine = Haml::Engine.new(template)

	engine.render(Object.new, options) do
	capture_haml(&block) if block_given?
	end

	end

	end