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Viewing changes to vendor/rails/activesupport/lib/active_support/core_ext/string/output_safety.rb

  • Committer: Michael Forrest
  • Date: 2010-10-15 16:28:50 UTC
  • Revision ID: michael.forrest@canonical.com-20101015162850-tj2vchanv0kr0dun
refroze gems

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vendor/rails/activesupport/lib/active_support/core_ext/string/output_safety.rb
 
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module ActiveSupport #:nodoc:
 
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  module CoreExtensions #:nodoc:
 
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    module String #:nodoc:
 
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      module OutputSafety
 
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        def self.included(base)
 
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          base.class_eval do
 
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            alias_method :add_without_safety, :+
 
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            alias_method :+, :add_with_safety
 
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            alias_method_chain :concat, :safety
 
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            undef_method :<<
 
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            alias_method :<<, :concat_with_safety
 
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          end
 
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        end
 
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        def html_safe?
 
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          defined?(@_rails_html_safe) && @_rails_html_safe
 
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        end
 
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        def html_safe!
 
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          @_rails_html_safe = true
 
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          self
 
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        end
 
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        def add_with_safety(other)
 
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          result = add_without_safety(other)
 
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          if html_safe? && also_html_safe?(other)
 
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            result.html_safe!
 
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          else
 
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            result
 
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          end
 
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        end
 
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        def concat_with_safety(other_or_fixnum)
 
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          result = concat_without_safety(other_or_fixnum)
 
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          unless html_safe? && also_html_safe?(other_or_fixnum)
 
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            @_rails_html_safe = false
 
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          end
 
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          result
 
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        end
 
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        private
 
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          def also_html_safe?(other)
 
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            other.respond_to?(:html_safe?) && other.html_safe?
 
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          end
 
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      end
 
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    end
 
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  end
 
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end
 
 
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