Current File : //proc/thread-self/root/opt/alt/ruby18/lib64/ruby/1.8/xsd/xmlparser/parser.rb
# XSD4R - XML Instance parser library.
# Copyright (C) 2002, 2003 NAKAMURA, Hiroshi <nahi@ruby-lang.org>.
# This program is copyrighted free software by NAKAMURA, Hiroshi. You can
# redistribute it and/or modify it under the same terms of Ruby's license;
# either the dual license version in 2003, or any later version.
require 'xsd/qname'
require 'xsd/ns'
require 'xsd/charset'
module XSD
module XMLParser
class Parser
class ParseError < Error; end
class FormatDecodeError < ParseError; end
class UnknownElementError < FormatDecodeError; end
class UnknownAttributeError < FormatDecodeError; end
class UnexpectedElementError < FormatDecodeError; end
class ElementConstraintError < FormatDecodeError; end
@@parser_factory = nil
def self.factory
@@parser_factory
end
def self.create_parser(host, opt = {})
@@parser_factory.new(host, opt)
end
def self.add_factory(factory)
if $DEBUG
puts "Set #{ factory } as XML processor."
end
@@parser_factory = factory
end
public
attr_accessor :charset
def initialize(host, opt = {})
@host = host
@charset = opt[:charset] || nil
end
def parse(string_or_readable)
@textbuf = ''
prologue
do_parse(string_or_readable)
epilogue
end
private
def do_parse(string_or_readable)
raise NotImplementError.new(
'Method do_parse must be defined in derived class.')
end
def start_element(name, attrs)
@host.start_element(name, attrs)
end
def characters(text)
@host.characters(text)
end
def end_element(name)
@host.end_element(name)
end
def prologue
end
def epilogue
end
def xmldecl_encoding=(charset)
if @charset.nil?
@charset = charset
else
# Definition in a stream (like HTTP) has a priority.
p "encoding definition: #{ charset } is ignored." if $DEBUG
end
end
end
end
end
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