view vendor/gems/coderay-1.0.0/lib/coderay/scanners/haml.rb @ 1082:997f6d7738f7 bug_531

In repo controller entry action, show the page for the file even if it's binary (so user still has access to history etc links). This makes it possible to use the entry action as the default when a file is clicked on
author Chris Cannam <chris.cannam@soundsoftware.ac.uk>
date Thu, 22 Nov 2012 18:04:17 +0000
parents cbb26bc654de
children
line wrap: on
line source
module CodeRay
module Scanners
  
  load :ruby
  load :html
  load :java_script
  
  class HAML < Scanner
    
    register_for :haml
    title 'HAML Template'
    
    KINDS_NOT_LOC = HTML::KINDS_NOT_LOC
    
  protected
    
    def setup
      super
      @ruby_scanner          = CodeRay.scanner :ruby, :tokens => @tokens, :keep_tokens => true
      @embedded_ruby_scanner = CodeRay.scanner :ruby, :tokens => @tokens, :keep_tokens => true, :state => @ruby_scanner.interpreted_string_state
      @html_scanner          = CodeRay.scanner :html, :tokens => @tokens, :keep_tokens => true
    end
    
    def scan_tokens encoder, options
      
      match = nil
      code = ''
      
      until eos?
        
        if bol?
          if match = scan(/!!!.*/)
            encoder.text_token match, :doctype
            next
          end
          
          if match = scan(/(?>( *)(\/(?!\[if)|-\#|:javascript|:ruby|:\w+) *)(?=\n)/)
            encoder.text_token match, :comment
            
            code = self[2]
            if match = scan(/(?:\n+#{self[1]} .*)+/)
              case code
              when '/', '-#'
                encoder.text_token match, :comment
              when ':javascript'
                # TODO: recognize #{...} snippets inside JavaScript
                @java_script_scanner ||= CodeRay.scanner :java_script, :tokens => @tokens, :keep_tokens => true
                @java_script_scanner.tokenize match, :tokens => encoder
              when ':ruby'
                @ruby_scanner.tokenize match, :tokens => encoder
              when /:\w+/
                encoder.text_token match, :comment
              else
                raise 'else-case reached: %p' % [code]
              end
            end
          end
          
          if match = scan(/ +/)
            encoder.text_token match, :space
          end
          
          if match = scan(/\/.*/)
            encoder.text_token match, :comment
            next
          end
          
          if match = scan(/\\/)
            encoder.text_token match, :plain
            if match = scan(/.+/)
              @html_scanner.tokenize match, :tokens => encoder
            end
            next
          end
          
          tag = false
          
          if match = scan(/%[\w:]+\/?/)
            encoder.text_token match, :tag
            # if match = scan(/( +)(.+)/)
            #   encoder.text_token self[1], :space
            #   @embedded_ruby_scanner.tokenize self[2], :tokens => encoder
            # end
            tag = true
          end
          
          while match = scan(/([.#])[-\w]*\w/)
            encoder.text_token match, self[1] == '#' ? :constant : :class
            tag = true
          end
          
          if tag && match = scan(/(\()([^)]+)?(\))?/)
            # TODO: recognize title=@title, class="widget_#{@widget.number}"
            encoder.text_token self[1], :plain
            @html_scanner.tokenize self[2], :tokens => encoder, :state => :attribute if self[2]
            encoder.text_token self[3], :plain if self[3]
          end
          
          if tag && match = scan(/\{/)
            encoder.text_token match, :plain
            
            code = ''
            level = 1
            while true
              code << scan(/([^\{\},\n]|, *\n?)*/)
              case match = getch
              when '{'
                level += 1
                code << match
              when '}'
                level -= 1
                if level > 0
                  code << match
                else
                  break
                end
              when "\n", ",", nil
                break
              end
            end
            @ruby_scanner.tokenize code, :tokens => encoder unless code.empty?
            
            encoder.text_token match, :plain if match
          end
          
          if tag && match = scan(/(\[)([^\]\n]+)?(\])?/)
            encoder.text_token self[1], :plain
            @ruby_scanner.tokenize self[2], :tokens => encoder if self[2]
            encoder.text_token self[3], :plain if self[3]
          end
          
          if tag && match = scan(/\//)
            encoder.text_token match, :tag
          end
          
          if scan(/(>?<?[-=]|[&!]=|(& |!)|~)( *)([^,\n\|]+(?:(, *|\|(?=.|\n.*\|$))\n?[^,\n\|]*)*)?/)
            encoder.text_token self[1] + self[3], :plain
            if self[4]
              if self[2]
                @embedded_ruby_scanner.tokenize self[4], :tokens => encoder
              else
                @ruby_scanner.tokenize self[4], :tokens => encoder
              end
            end
          elsif match = scan(/((?:<|><?)(?![!?\/\w]))?(.+)?/)
            encoder.text_token self[1], :plain if self[1]
            # TODO: recognize #{...} snippets
            @html_scanner.tokenize self[2], :tokens => encoder if self[2]
          end
          
        elsif match = scan(/.+/)
          @html_scanner.tokenize match, :tokens => encoder
          
        end
        
        if match = scan(/\n/)
          encoder.text_token match, :space
        end
      end
      
      encoder
      
    end
    
  end
  
end
end