Class: Middleman::Renderers::Haml

Inherits:
Extension
  • Object
show all
Defined in:
middleman-core/lib/middleman-core/renderers/haml.rb

Overview

Haml Renderer

Constant Summary

Constants included from Contracts

Contracts::PATH_MATCHER

Instance Attribute Summary

Attributes inherited from Extension

#app, #options

Instance Method Summary collapse

Methods inherited from Extension

activated_extension, #after_build, #after_configuration, after_extension_activated, #after_extension_activated, #before_build, #before_configuration, clear_after_extension_callbacks, config, define_setting, expose_to_application, expose_to_config, expose_to_template, global_config, helpers, #manipulate_resource_list, option, #ready, resources

Methods included from Contracts

#Contract

Constructor Details

#initialize(app, options = {}, &block) ⇒ Haml

Returns a new instance of Haml.



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# File 'middleman-core/lib/middleman-core/renderers/haml.rb', line 52

def initialize(app, options={}, &block)
  super

  if Object.const_defined?('::Haml::Options') # Haml 5 and older
    ::Haml::Options.defaults[:context] = nil
    ::Haml::Options.send :attr_accessor, :context
  else # Haml 6+
    ::Haml::Engine.define_options context: nil
  end
  if defined?(::Haml::TempleEngine)
    ::Haml::TempleEngine.define_options context: nil
  end

  [::Haml::Filters::Sass, ::Haml::Filters::Scss, ::Haml::Filters::Markdown].each do |f|
    f.class_exec do
      if respond_to?(:template_class) # Haml 5 and older
        def self.render_with_options(text, compiler_options)
          modified_options = options.dup
          modified_options[:context] = compiler_options[:context]

          text = template_class.new(nil, 1, modified_options) { text }.render
          super(text, compiler_options)
        end
      else # Haml 6+
        def initialize(options = {})
          super
          @context = options[:context]
        end

        def compile_with_tilt(node, name, indent_width: 0)
          options = { context: @context }
          source = node.value[:text]
          result = ::Tilt["t.#{name}"].new(nil, 1, options) { source }.render

          temple = [:multi, [:static, result.gsub(/^/, ' ' * indent_width)]]
          source.lines.size.times do
            temple << [:newline]
          end
          temple
        end
      end
    end
  end

  ::Tilt.prefer(::Middleman::Renderers::HamlTemplate, :haml)

  # Add haml helpers to context
  ::Middleman::TemplateContext.send :include, ::Haml::Helpers
end

Instance Method Details

#add_exposed_to_context(context) ⇒ Object 



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# File 'middleman-core/lib/middleman-core/renderers/haml.rb', line 102

def add_exposed_to_context(context)
  super

  context.init_haml_helpers if context.respond_to?(:init_haml_helpers)
end