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-rw-r--r--ruby_1_8_6/lib/xsd/xmlparser/parser.rb96
1 files changed, 96 insertions, 0 deletions
diff --git a/ruby_1_8_6/lib/xsd/xmlparser/parser.rb b/ruby_1_8_6/lib/xsd/xmlparser/parser.rb
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+++ b/ruby_1_8_6/lib/xsd/xmlparser/parser.rb
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+# 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