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Notes for Redmine 1 .4.1 » redmine-1.4.0-macros-escaping.patch

Marc Mengel, 2012-05-16 23:32

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redmine-1.3.0_macros_escaping/app/helpers/application_helper.rb 2011-12-27 00:21:55.751959515 +0200
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require 'forwardable'
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require 'cgi'
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require 'digest/md5'
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module ApplicationHelper
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  include Redmine::WikiFormatting::Macros::Definitions
......
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    project = options[:project] || @project || (obj && obj.respond_to?(:project) ? obj.project : nil)
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    only_path = options.delete(:only_path) == false ? false : true
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    text, macros_grabbed = preprocess_macros(text)
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    options[:macros_grabbed] = macros_grabbed
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    text = Redmine::WikiFormatting.to_html(Setting.text_formatting, text, :object => obj, :attribute => attr)
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    @parsed_headings = []
......
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      end
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    end
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    # Any macros not parsed by this point must be in <pre> blocks - and, hence, should be
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    # restored to their original state.
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    restore_macros(text, macros_grabbed) unless text.nil?
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    if @parsed_headings.any?
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      replace_toc(text, @parsed_headings)
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    end
......
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                (
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                \{\{                        # opening tag
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                ([\w]+)                     # macro name
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                (\(([^\}]*)\))?             # optional arguments
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		(\((.*?)\))?                # optional arguments
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                \}\}                        # closing tag
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                )
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              /x unless const_defined?(:MACROS_RE)
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		)
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              /xm unless const_defined?(:MACROS_RE)
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  def preprocess_macros(text)
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    macros_grabbed = {}
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    text = text.gsub(MACROS_RE) do |s|
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     esc, all, macro = $1, $2, $3.downcase
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     if esc.nil? and (WikiExternalFilterHelper.has_macro macro rescue false)
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       args = $5
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       key = Digest::MD5.hexdigest("#{macro}:#{args}")
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       macros_grabbed[key] = {:macro => macro, :args => args, :raw => s}
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       "{{_macros_grabbed(#{key})}}"
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     else
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       s
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     end
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   end
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   [text, macros_grabbed]
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  end
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  # Macros substitution
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  def parse_macros(text, project, obj, attr, only_path, options)
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    text.gsub!(MACROS_RE) do
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      esc, all, macro = $1, $2, $3.downcase
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      args = ($5 || '').split(',').each(&:strip)
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      if macro == '_macros_grabbed' and options[:macros_grabbed].member? args.first
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        macro, args = options[:macros_grabbed][args.first].values_at(:macro, :args)
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      end
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      if esc.nil?
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        begin
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          exec_macro(macro, obj, args)
......
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      else
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        all
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      end
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    end
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  end
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  # Macros restoration to their original state - used for <pre> blocks.
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  def restore_macros(text, macros_grabbed)
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    text.gsub!(MACROS_RE) do
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      all, macro, args = $&, $3.downcase, $5
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      if macro == '_macros_grabbed' and macros_grabbed.member? args
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        "#{macros_grabbed[args].values_at(:raw)}"
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      else
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        all
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      end
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    end
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  end
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