Class: REXML::Parsers::LightParser

Inherits:

Object

• Object
• REXML::Parsers::LightParser

show all

Defined in:

lib/rexml/parsers/lightparser.rb

Instance Method Summary (collapse)

• - (Object) add_listener(listener)
• - (LightParser) initialize(stream) constructor

  A new instance of LightParser.

• - (Object) parse
• - (Object) rewind

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# File 'lib/rexml/parsers/lightparser.rb', line 8

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

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# File 'lib/rexml/parsers/lightparser.rb', line 13

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

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# File 'lib/rexml/parsers/lightparser.rb', line 22

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

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# File 'lib/rexml/parsers/lightparser.rb', line 17

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