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# XSD4R - XML Instance parser library.
# Copyright (C) 2000-2007 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/xmlparser/parser'
module XSD
module XMLParser
def create_parser(host, opt)
XSD::XMLParser::Parser.create_parser(host, opt)
end
module_function :create_parser
# $1 is necessary.
NSParseRegexp = Regexp.new('^xmlns:?(.*)$', nil, 'NONE')
def filter_ns(ns, attrs)
ns_updated = false
if attrs.nil? or attrs.empty?
return [ns, attrs]
end
newattrs = {}
attrs.each do |key, value|
if NSParseRegexp =~ key
unless ns_updated
ns = ns.clone_ns
ns_updated = true
end
# tag == '' means 'default namespace'
# value == '' means 'no default namespace'
tag = $1 || ''
ns.assign(value, tag)
else
newattrs[key] = value
end
end
return [ns, newattrs]
end
module_function :filter_ns
end
end
# Try to load XML processor.
loaded = false
[
'xsd/xmlparser/libxmlparser',
'xsd/xmlparser/xmlparser',
'xsd/xmlparser/xmlscanner',
'xsd/xmlparser/rexmlparser',
].each do |lib|
begin
require lib
# XXX: for a workaround of rubygems' require inconsistency
# XXX: MUST BE REMOVED IN THE FUTURE
name = lib.sub(/^.*\//, '')
raise LoadError unless XSD::XMLParser.constants.find { |c|
c.downcase == name
}
loaded = true
break
rescue LoadError
end
end
unless loaded
raise RuntimeError.new("XML processor module not found.")
end
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