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76 lines
1.7 KiB
Ruby
76 lines
1.7 KiB
Ruby
# XSD4R - XML Instance parser library.
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# Copyright (C) 2000-2007 NAKAMURA, Hiroshi <nahi@ruby-lang.org>.
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# This program is copyrighted free software by NAKAMURA, Hiroshi. You can
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# redistribute it and/or modify it under the same terms of Ruby's license;
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# either the dual license version in 2003, or any later version.
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require 'xsd/xmlparser/parser'
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module XSD
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module XMLParser
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def create_parser(host, opt)
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XSD::XMLParser::Parser.create_parser(host, opt)
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end
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module_function :create_parser
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# $1 is necessary.
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NSParseRegexp = Regexp.new('^xmlns:?(.*)$', nil, 'NONE')
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def filter_ns(ns, attrs)
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ns_updated = false
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if attrs.nil? or attrs.empty?
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return [ns, attrs]
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end
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newattrs = {}
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attrs.each do |key, value|
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if NSParseRegexp =~ key
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unless ns_updated
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ns = ns.clone_ns
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ns_updated = true
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end
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# tag == '' means 'default namespace'
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# value == '' means 'no default namespace'
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tag = $1 || ''
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ns.assign(value, tag)
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else
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newattrs[key] = value
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end
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end
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return [ns, newattrs]
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end
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module_function :filter_ns
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end
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end
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# Try to load XML processor.
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loaded = false
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[
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'xsd/xmlparser/libxmlparser',
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'xsd/xmlparser/xmlparser',
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'xsd/xmlparser/xmlscanner',
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'xsd/xmlparser/rexmlparser',
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].each do |lib|
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begin
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require lib
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# XXX: for a workaround of rubygems' require inconsistency
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# XXX: MUST BE REMOVED IN THE FUTURE
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name = lib.sub(/^.*\//, '')
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raise LoadError unless XSD::XMLParser.constants.find { |c|
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c.downcase == name
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}
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loaded = true
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break
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rescue LoadError
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end
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end
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unless loaded
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raise RuntimeError.new("XML processor module not found.")
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end
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