Class: REXML::Parsers::StreamParser

Inherits:
Object
  • Object
show all
Defined in:
lib/rexml/parsers/streamparser.rb

Instance Method Summary collapse

Constructor Details

#initialize(source, listener) ⇒ StreamParser

Returns a new instance of StreamParser.



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# File 'lib/rexml/parsers/streamparser.rb', line 7

def initialize source, listener
  @listener = listener
  @parser = BaseParser.new( source )
  @entities = {}
end

Instance Method Details

#add_listener(listener) ⇒ Object 



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

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

#entity_expansion_count ⇒ Object 



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

def entity_expansion_count
  @parser.entity_expansion_count
end

#entity_expansion_limit=(limit) ⇒ Object 



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# File 'lib/rexml/parsers/streamparser.rb', line 21

def entity_expansion_limit=( limit )
  @parser.entity_expansion_limit = limit
end

#entity_expansion_text_limit=(limit) ⇒ Object 



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# File 'lib/rexml/parsers/streamparser.rb', line 25

def entity_expansion_text_limit=( limit )
  @parser.entity_expansion_text_limit = limit
end

#parse ⇒ Object 



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# File 'lib/rexml/parsers/streamparser.rb', line 29

def parse
  # entity string
  while true
    event = @parser.pull
    case event[0]
    when :end_document
      return
    when :start_element
      attrs = event[2].each do |n, v|
        event[2][n] = @parser.unnormalize( v )
      end
      @listener.tag_start( event[1], attrs )
    when :end_element
      @listener.tag_end( event[1] )
    when :text
      unnormalized = @parser.unnormalize( event[1], @entities )
      @listener.text( unnormalized )
    when :processing_instruction
      @listener.instruction( *event[1,2] )
    when :start_doctype
      @listener.doctype( *event[1..-1] )
    when :end_doctype
      # FIXME: remove this condition for milestone:3.2
      @listener.doctype_end if @listener.respond_to? :doctype_end
    when :comment, :attlistdecl, :cdata, :xmldecl, :elementdecl
      @listener.send( event[0].to_s, *event[1..-1] )
    when :entitydecl, :notationdecl
      @entities[ event[1] ] = event[2] if event.size == 3
      @listener.send( event[0].to_s, event[1..-1] )
    when :externalentity
      entity_reference = event[1]
      content = entity_reference.gsub(/\A%|;\z/, "")
      @listener.entity(content)
    end
  end
end