gem.gems.haml-3.1.1.lib.haml.template.rb Maven / Gradle / Ivy
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::Compiler.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 <