class Gollum::Filter::Macro
Replace specified tokens with dynamically generated content.
Public Instance Methods
extract(data)
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# File lib/gollum-lib/filter/macro.rb, line 4 def extract(data) quoted_arg = %r{".*?"} unquoted_arg = %r{[^,)]+} named_arg = %r{[a-z0-9_]+=".*?"} arg = %r{(?:#{quoted_arg}|#{unquoted_arg}|#{named_arg})} arg_list = %r{(\s*|#{arg}(?:\s*,\s*#{arg})*)} data.gsub(/('?)\<\<\s*([A-Z][A-Za-z0-9]*)\s*\(#{arg_list}\)\s*\>\>/) do next CGI.escape_html($&[1..-1]) unless Regexp.last_match[1].empty? id = Digest::SHA1.hexdigest(Regexp.last_match[2] + Regexp.last_match[3]) macro = Regexp.last_match[2] argstr = Regexp.last_match[3] args = [] opts = {} argstr.scan(/,?\s*(#{arg})\s*/) do |arguments| # Stabstabstab argument = arguments.first if argument =~ /^([a-z0-9_]+)="(.*?)"/ opts[Regexp.last_match[1]] = Regexp.last_match[2] elsif argument =~ /^"(.*)"$/ args << Regexp.last_match[1] else args << argument end end args << opts unless opts.empty? @map[id] = { :macro => macro, :args => args } id end end
process(data)
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# File lib/gollum-lib/filter/macro.rb, line 40 def process(data) @map.each do |id, spec| macro = spec[:macro] args = spec[:args] data.gsub!(id) do begin Gollum::Macro.instance(macro, @markup.wiki, @markup.page).render(*args) rescue StandardError => e "!!!Macro Error: #{e.message}!!!" end end end data end