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# SOAP4R - XML Literal EncodingStyle handler library
# Copyright (C) 2001, 2003, 2004 NAKAMURA, Hiroshi <[email protected]>.
# 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 'soap/encodingstyle/handler'
module SOAP
module EncodingStyle
class LiteralHandler < Handler
Namespace = SOAP::LiteralNamespace
add_handler
def initialize(charset = nil)
super(charset)
@textbuf = ''
end
###
## encode interface.
#
def encode_data(generator, ns, qualified, data, parent)
attrs = {}
name = if qualified and data.elename.namespace
SOAPGenerator.assign_ns(attrs, ns, data.elename.namespace)
ns.name(data.elename)
else
data.elename.name
end
case data
when SOAPRawString
generator.encode_tag(name, attrs)
generator.encode_rawstring(data.to_s)
when XSD::XSDString
generator.encode_tag(name, attrs)
str = data.to_s
str = XSD::Charset.encoding_to_xml(str, @charset) if @charset
generator.encode_string(str)
when XSD::XSDAnySimpleType
generator.encode_tag(name, attrs)
generator.encode_string(data.to_s)
when SOAPStruct
generator.encode_tag(name, attrs)
data.each do |key, value|
if !value.elename.namespace
value.elename.namespace = data.elename.namespace
end
yield(value, true)
end
when SOAPArray
generator.encode_tag(name, attrs)
data.traverse do |child, *rank|
data.position = nil
yield(child, true)
end
when SOAPElement
generator.encode_tag(name, attrs.update(data.extraattr))
generator.encode_rawstring(data.text) if data.text
data.each do |key, value|
yield(value, qualified)
end
else
raise EncodingStyleError.new("Unknown object:#{ data } in this encodingStyle.")
end
end
def encode_data_end(generator, ns, qualified, data, parent)
name = if qualified and data.elename.namespace
ns.name(data.elename)
else
data.elename.name
end
cr = data.is_a?(SOAPElement) && !data.text
generator.encode_tag_end(name, cr)
end
###
## decode interface.
#
class SOAPTemporalObject
attr_accessor :parent
def initialize
@parent = nil
end
end
class SOAPUnknown < SOAPTemporalObject
def initialize(handler, elename, extraattr)
super()
@handler = handler
@elename = elename
@extraattr = extraattr
end
def as_element
o = SOAPElement.decode(@elename)
o.parent = @parent
o.extraattr.update(@extraattr)
@handler.decode_parent(@parent, o)
o
end
def as_string
o = SOAPString.decode(@elename)
o.parent = @parent
o.extraattr.update(@extraattr)
@handler.decode_parent(@parent, o)
o
end
def as_nil
o = SOAPNil.decode(@elename)
o.parent = @parent
o.extraattr.update(@extraattr)
@handler.decode_parent(@parent, o)
o
end
end
def decode_tag(ns, elename, attrs, parent)
# ToDo: check if @textbuf is empty...
@textbuf = ''
o = SOAPUnknown.new(self, elename, decode_attrs(ns, attrs))
o.parent = parent
o
end
def decode_tag_end(ns, node)
o = node.node
if o.is_a?(SOAPUnknown)
newnode = if /\A\s*\z/ =~ @textbuf
o.as_element
else
o.as_string
end
node.replace_node(newnode)
o = node.node
end
decode_textbuf(o)
@textbuf = ''
end
def decode_text(ns, text)
# @textbuf is set at decode_tag_end.
@textbuf << text
end
def decode_attrs(ns, attrs)
extraattr = {}
attrs.each do |key, value|
qname = ns.parse(key)
extraattr[qname] = value
end
extraattr
end
def decode_prologue
end
def decode_epilogue
end
def decode_parent(parent, node)
case parent.node
when SOAPUnknown
newparent = parent.node.as_element
node.parent = newparent
parent.replace_node(newparent)
decode_parent(parent, node)
when SOAPElement
parent.node.add(node)
node.parent = parent.node
when SOAPStruct
parent.node.add(node.elename.name, node)
node.parent = parent.node
when SOAPArray
if node.position
parent.node[*(decode_arypos(node.position))] = node
parent.node.sparse = true
else
parent.node.add(node)
end
node.parent = parent.node
when SOAPBasetype
raise EncodingStyleError.new("SOAP base type must not have a child.")
else
# SOAPUnknown does not have parent.
raise EncodingStyleError.new("Illegal parent: #{ parent }.")
end
end
private
def decode_textbuf(node)
if node.is_a?(XSD::XSDString)
if @charset
node.set(XSD::Charset.encoding_from_xml(@textbuf, @charset))
else
node.set(@textbuf)
end
else
# Nothing to do...
end
end
end
LiteralHandler.new
end
end
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