# frozen_string_literal: false
require_relative "baseparser"
module REXML
module Parsers
class StreamParser
def initialize source, listener
@listener = listener
@parser = BaseParser.new( source )
@tag_stack = []
end
def add_listener( listener )
@parser.add_listener( listener )
end
def parse
# entity string
while true
event = @parser.pull
case event[0]
when :end_document
unless @tag_stack.empty?
tag_path = "/" + @tag_stack.join("/")
raise ParseException.new("Missing end tag for '#{tag_path}'",
@parser.source)
end
return
when :start_element
@tag_stack << event[1]
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] )
@tag_stack.pop
when :text
normalized = @parser.unnormalize( event[1] )
@listener.text( normalized )
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
@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
end
end
end
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