/scalate-jruby/src/main/resources/haml-3.0.25/lib/haml/template.rb
http://github.com/scalate/scalate · Ruby · 97 lines · 61 code · 12 blank · 24 comment · 12 complexity · d7b1a1936fd3dcfd53a42e4d090fac45 MD5 · raw file
- require 'haml/template/options'
- require 'haml/engine'
- require 'haml/helpers/action_view_mods'
- require 'haml/helpers/action_view_extensions'
- if defined?(ActionPack::VERSION::STRING) &&
- ActionPack::VERSION::STRING == "2.3.6"
- raise "Haml does not support Rails 2.3.6. Please upgrade to 2.3.7 or later."
- end
- module Haml
- # The class that keeps track of the global options for Haml within Rails.
- module Template
- # Enables integration with the Rails 2.2.5+ XSS protection,
- # if it's available and enabled.
- #
- # @return [Boolean] Whether the XSS integration was enabled.
- def try_enabling_xss_integration
- return false unless (ActionView::Base.respond_to?(:xss_safe?) && ActionView::Base.xss_safe?) ||
- # We check for ActiveSupport#on_load here because if we're loading Haml that way, it means:
- # A) we're in Rails 3 so XSS support is always on, and
- # B) we might be in Rails 3 beta 3 where the load order is broken and xss_safe? is undefined
- (defined?(ActiveSupport) && Haml::Util.has?(:public_method, ActiveSupport, :on_load))
- Haml::Template.options[:escape_html] = true
- Haml::Util.module_eval {def rails_xss_safe?; true; end}
- require 'haml/helpers/xss_mods'
- Haml::Helpers.send(:include, Haml::Helpers::XssMods)
- Haml::Precompiler.module_eval do
- def precompiled_method_return_value_with_haml_xss
- "::Haml::Util.html_safe(#{precompiled_method_return_value_without_haml_xss})"
- end
- alias_method :precompiled_method_return_value_without_haml_xss, :precompiled_method_return_value
- alias_method :precompiled_method_return_value, :precompiled_method_return_value_with_haml_xss
- end
- true
- end
- end
- end
- unless Haml::Util.rails_env == "development"
- Haml::Template.options[:ugly] ||= true
- end
- if Haml::Util.ap_geq_3?
- Haml::Template.options[:format] ||= :html5
- end
- # Decide how we want to load Haml into Rails.
- # Patching was necessary for versions <= 2.0.1,
- # but we can make it a normal handler for higher versions.
- if defined?(ActionView::TemplateHandler) ||
- (defined?(ActionView::Template) && defined?(ActionView::Template::Handler))
- require 'haml/template/plugin'
- else
- require 'haml/template/patch'
- end
- # Enable XSS integration. Use Rails' after_initialize method
- # so that integration will be checked after the rails_xss plugin is loaded
- # (for Rails 2.3.* where it's not enabled by default).
- #
- # If we're running under Rails 3, though, we don't want to use after_intialize,
- # since Haml loading has already been deferred via ActiveSupport.on_load.
- if defined?(Rails.configuration.after_initialize) &&
- !(defined?(ActiveSupport) && Haml::Util.has?(:public_method, ActiveSupport, :on_load))
- Rails.configuration.after_initialize {Haml::Template.try_enabling_xss_integration}
- else
- Haml::Template.try_enabling_xss_integration
- end
- if Haml::Util.rails_root
- # Update init.rb to the current version
- # if it's out of date.
- #
- # We can probably remove this as of v1.9,
- # because the new init file is sufficiently flexible
- # to not need updating.
- rails_init_file = File.join(Haml::Util.rails_root, 'vendor', 'plugins', 'haml', 'init.rb')
- haml_init_file = Haml::Util.scope('init.rb')
- begin
- if File.exists?(rails_init_file)
- require 'fileutils'
- FileUtils.cp(haml_init_file, rails_init_file) unless FileUtils.cmp(rails_init_file, haml_init_file)
- end
- rescue SystemCallError
- Haml::Util.haml_warn <<END
- HAML WARNING:
- #{rails_init_file} is out of date and couldn't be automatically updated.
- Please run `haml --rails #{File.expand_path(Haml::Util.rails_root)}' to update it.
- END
- end
- end