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Filename : ultralightparser.rb

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# frozen_string_literal: false
require 'rexml/parsers/streamparser'
require 'rexml/parsers/baseparser'

module REXML
  module Parsers
    class UltraLightParser
      def initialize stream
        @stream = stream
        @parser = REXML::Parsers::BaseParser.new( stream )
      end

      def add_listener( listener )
        @parser.add_listener( listener )
      end

      def rewind
        @stream.rewind
        @parser.stream = @stream
      end

      def parse
        root = context = []
        while true
          event = @parser.pull
          case event[0]
          when :end_document
            break
          when :end_doctype
            context = context[1]
          when :start_element, :start_doctype
            context << event
            event[1,0] = [context]
            context = event
          when :end_element
            context = context[1]
          else
            context << event
          end
        end
        root
      end
    end

    # An element is an array.  The array contains:
    #  0                        The parent element
    #  1                        The tag name
    #  2                        A hash of attributes
    #  3..-1    The child elements
    # An element is an array of size > 3
    # Text is a String
    # PIs are [ :processing_instruction, target, data ]
    # Comments are [ :comment, data ]
    # DocTypes are DocType structs
    # The root is an array with XMLDecls, Text, DocType, Array, Text
  end
end

Name	Size	Last Modified	Owner	Permissions
baseparser.rb	26.196 KB	December 06 2024 2:22:57	root	0644
lightparser.rb	1.546 KB	April 05 2021 11:46:35	root	0644
pullparser.rb	5.114 KB	April 05 2021 11:46:35	root	0644
sax2parser.rb	9.067 KB	April 05 2021 11:46:35	root	0644
streamparser.rb	1.926 KB	April 05 2021 11:46:35	root	0644
treeparser.rb	3.482 KB	April 05 2021 11:46:35	root	0644
ultralightparser.rb	1.454 KB	April 05 2021 11:46:35	root	0644
xpathparser.rb	17.934 KB	April 05 2021 11:46:35	root	0644

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