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opt / alt / ruby24 / lib64 / ruby / 2.4.0 / rexml / parsers /

ðŸ“ ..
ðŸ“„ baseparser.rb(19.68 KB)
ðŸ“„ lightparser.rb(1.55 KB)
ðŸ“„ pullparser.rb(5.11 KB)
ðŸ“„ sax2parser.rb(9.07 KB)
ðŸ“„ streamparser.rb(1.93 KB)
ðŸ“„ treeparser.rb(3.48 KB)
ðŸ“„ ultralightparser.rb(1.45 KB)
ðŸ“„ xpathparser.rb(17.93 KB)

Editing: ultralightparser.rb

# 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

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Editing: ultralightparser.rb

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