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# WSDL4R - WSDL XML Instance parser library.
# Copyright (C) 2002, 2003, 2005 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'
require 'xsd/datatypes'
require 'xsd/xmlparser'
require 'wsdl/wsdl'
require 'wsdl/data'
require 'wsdl/xmlSchema/data'
require 'wsdl/soap/data'
module WSDL
class Parser
include WSDL
class ParseError < Error; end
class FormatDecodeError < ParseError; end
class UnknownElementError < FormatDecodeError; end
class UnknownAttributeError < FormatDecodeError; end
class UnexpectedElementError < FormatDecodeError; end
class ElementConstraintError < FormatDecodeError; end
class AttributeConstraintError < FormatDecodeError; end
private
class ParseFrame
attr_reader :ns
attr_reader :name
attr_accessor :node
private
def initialize(ns, name, node)
@ns = ns
@name = name
@node = node
end
end
public
def initialize(opt = {})
@parser = XSD::XMLParser.create_parser(self, opt)
@parsestack = nil
@lastnode = nil
@ignored = {}
@location = opt[:location]
@originalroot = opt[:originalroot]
end
def parse(string_or_readable)
@parsestack = []
@lastnode = nil
@textbuf = ''
@parser.do_parse(string_or_readable)
@lastnode
end
def charset
@parser.charset
end
def start_element(name, attrs)
lastframe = @parsestack.last
ns = parent = nil
if lastframe
ns = lastframe.ns.clone_ns
parent = lastframe.node
else
ns = XSD::NS.new
parent = nil
end
attrs = XSD::XMLParser.filter_ns(ns, attrs)
node = decode_tag(ns, name, attrs, parent)
@parsestack << ParseFrame.new(ns, name, node)
end
def characters(text)
lastframe = @parsestack.last
if lastframe
# Need not to be cloned because character does not have attr.
ns = lastframe.ns
decode_text(ns, text)
else
p text if $DEBUG
end
end
def end_element(name)
lastframe = @parsestack.pop
unless name == lastframe.name
raise UnexpectedElementError.new("closing element name '#{name}' does not match with opening element '#{lastframe.name}'")
end
decode_tag_end(lastframe.ns, lastframe.node)
@lastnode = lastframe.node
end
private
def decode_tag(ns, name, attrs, parent)
o = nil
elename = ns.parse(name)
if !parent
if elename == DefinitionsName
o = Definitions.parse_element(elename)
o.location = @location
else
raise UnknownElementError.new("unknown element: #{elename}")
end
o.root = @originalroot if @originalroot # o.root = o otherwise
else
if elename == XMLSchema::AnnotationName
# only the first annotation element is allowed for each xsd element.
o = XMLSchema::Annotation.new
else
o = parent.parse_element(elename)
end
unless o
unless @ignored.key?(elename)
warn("ignored element: #{elename}")
@ignored[elename] = elename
end
o = Documentation.new # which accepts any element.
end
# node could be a pseudo element. pseudo element has its own parent.
o.root = parent.root
o.parent = parent if o.parent.nil?
end
attrs.each do |key, value|
attr_ele = ns.parse(key, true)
value_ele = ns.parse(value, true)
value_ele.source = value # for recovery; value may not be a QName
unless o.parse_attr(attr_ele, value_ele)
unless @ignored.key?(attr_ele)
warn("ignored attr: #{attr_ele}")
@ignored[attr_ele] = attr_ele
end
end
end
o
end
def decode_tag_end(ns, node)
node.parse_epilogue
end
def decode_text(ns, text)
@textbuf << text
end
end
end
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