108 lines
2.3 KiB
Ruby
108 lines
2.3 KiB
Ruby
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=begin
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XSD4R - XML Instance parser library.
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Copyright (C) 2002, 2003 NAKAMURA, Hiroshi.
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This program is free software; you can redistribute it and/or modify it under
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the terms of the GNU General Public License as published by the Free Software
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Foundation; either version 2 of the License, or (at your option) any later
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version.
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This program is distributed in the hope that it will be useful, but WITHOUT ANY
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WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A
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PRATICULAR PURPOSE. See the GNU General Public License for more details.
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You should have received a copy of the GNU General Public License along with
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this program; if not, write to the Free Software Foundation, Inc., 675 Mass
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Ave, Cambridge, MA 02139, USA.
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=end
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require 'xsd/qname'
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require 'xsd/ns'
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require 'xsd/charset'
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module XSD
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module XMLParser
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class Parser
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class ParseError < Error; end
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class FormatDecodeError < ParseError; end
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class UnknownElementError < FormatDecodeError; end
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class UnknownAttributeError < FormatDecodeError; end
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class UnexpectedElementError < FormatDecodeError; end
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class ElementConstraintError < FormatDecodeError; end
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@@parser_factory = nil
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def self.factory
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@@parser_factory
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end
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def self.create_parser(host, opt = {})
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@@parser_factory.new(host, opt)
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end
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def self.add_factory(factory)
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if $DEBUG
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puts "Set #{ factory } as XML processor."
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end
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@@parser_factory = factory
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end
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public
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attr_accessor :charset
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def initialize(host, opt = {})
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@host = host
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@charset = opt[:charset] || 'us-ascii'
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end
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def parse(string_or_readable)
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@textbuf = ''
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prologue
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do_parse(string_or_readable)
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epilogue
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end
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private
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def do_parse(string_or_readable)
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raise NotImplementError.new(
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'Method do_parse must be defined in derived class.')
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end
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def start_element(name, attrs)
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@host.start_element(name, attrs)
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end
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def characters(text)
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@host.characters(text)
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end
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def end_element(name)
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@host.end_element(name)
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end
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def prologue
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end
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def epilogue
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end
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def xmldecl_encoding=(charset)
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if @charset.nil?
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@charset = charset
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else
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# Definition in a stream (like HTTP) has a priority.
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p "encoding definition: #{ charset } is ignored." if $DEBUG
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end
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end
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end
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end
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end
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