1  require "rexml/dtd/elementdecl"
   2  require "rexml/dtd/entitydecl"
   3  require "rexml/comment"
   4  require "rexml/dtd/notationdecl"
   5  require "rexml/dtd/attlistdecl"
   6  require "rexml/parent"
   7 
   8  module REXML
   9    module DTD
  10      class Parser
  11        def Parser.parse( input )
  12          case input
  13          when String
  14            parse_helper input
  15          when File
  16            parse_helper input.read
  17          end
  18        end
  19 
  20        # Takes a String and parses it out
  21        def Parser.parse_helper( input )
  22          contents = Parent.new
  23          while input.size > 0
  24            case input
  25            when ElementDecl.PATTERN_RE
  26              match = $&
  27              source = $'
  28              contents << ElementDecl.new( match )
  29            when AttlistDecl.PATTERN_RE
  30              matchdata = $~
  31              source = $'
  32              contents << AttlistDecl.new( matchdata )
  33            when EntityDecl.PATTERN_RE
  34              matchdata = $~
  35              source = $'
  36              contents << EntityDecl.new( matchdata )
  37            when Comment.PATTERN_RE
  38              matchdata = $~
  39              source = $'
  40              contents << Comment.new( matchdata )
  41            when NotationDecl.PATTERN_RE
  42              matchdata = $~
  43              source = $'
  44              contents << NotationDecl.new( matchdata )
  45            end
  46          end
  47          contents
  48        end
  49      end
  50    end
  51  end