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path: root/actionpack/test/lib/fixture_template.rb
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module ActionView #:nodoc:
class Template
  class FixturePath < Path
    def initialize(hash = {}, options = {})
      super(options)
      @hash = hash
    end
    
    def find_templates(name, details, prefix, partial)
      if regexp = details_to_regexp(name, details, prefix, partial)
        cached(regexp) do
          templates = []
          @hash.select { |k,v| k =~ regexp }.each do |path, source|
            templates << Template.new(source, path, *path_to_details(path))
          end
          templates
        end
      end
    end
    
  private
  
    def formats_regexp
      @formats_regexp ||= begin
        formats = Mime::SET.map { |m| m.symbol }
        '(?:' + formats.map { |l| "\\.#{Regexp.escape(l.to_s)}" }.join('|') + ')?'
      end
    end
    
    def handler_regexp
      e = TemplateHandlers.extensions.map{|h| "\\.#{Regexp.escape(h.to_s)}"}.join("|")
      "(?:#{e})?"
    end
  
    def details_to_regexp(name, details, prefix, partial)
      path = ""
      path << "#{prefix}/" unless prefix.empty?
      path << (partial ? "_#{name}" : name)
    
      extensions = ""
      [:locales, :formats].each do |k|
        extensions << if exts = details[k]
          '(?:' + exts.map {|e| "\\.#{Regexp.escape(e.to_s)}"}.join('|') + ')?'
        else
          k == :formats ? formats_regexp : ''
        end
      end
      
      %r'^#{Regexp.escape(path)}#{extensions}#{handler_regexp}$'
    end
    
    # TODO: fix me
    # :api: plugin
    def path_to_details(path)
      # [:erb, :format => :html, :locale => :en, :partial => true/false]
      if m = path.match(%r'(_)?[\w-]+(\.[\w-]+)*\.(\w+)$')
        partial = m[1] == '_'
        details = (m[2]||"").split('.').reject { |e| e.empty? }
        handler = Template.handler_class_for_extension(m[3])
    
        format  = Mime[details.last] && details.pop.to_sym
        locale  = details.last && details.pop.to_sym
        
        return handler, :format => format, :locale => locale, :partial => partial
      end
    end
  end
  
  
  # class FixtureTemplate < Template
  #   class FixturePath < Template::Path
  #     def initialize(hash = {})
  #       @hash = {}
  #       
  #       hash.each do |k, v|
  #         @hash[k.sub(/\.\w+$/, '')] = FixtureTemplate.new(v, k.split("/").last, self)
  #       end
  #       
  #       super("fixtures://root")
  #     end
  #     
  #     def find_template(path)
  #       @hash[path]
  #     end
  #   end
  #   
  #   def initialize(body, *args)
  #     @body = body
  #     super(*args)
  #   end
  #   
  #   def source
  #     @body
  #   end
  # 
  # private
  # 
  #   def find_full_path(path, load_paths)
  #     return '/', path
  #   end
  # 
  # end
end
end