1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
|
# WSDL4R - WSDL XML Instance parser library.
# Copyright (C) 2002, 2003 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
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
element = ns.parse(name)
if !parent
if element == DefinitionsName
o = Definitions.parse_element(element)
else
raise UnknownElementError.new("Unknown element #{ element }.")
end
else
o = parent.parse_element(element)
unless o
STDERR.puts("Unknown element #{ element }.")
o = Documentation.new # which accepts any element.
end
# node could be a pseudo element. pseudo element has its own parent.
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)
STDERR.puts("Unknown attr #{ attr_ele }.")
end
end
o
end
def decode_tag_end(ns, node)
node.parse_epilogue
end
def decode_text(ns, text)
@textbuf << text
end
end
end
|
