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
|
=begin
XSD4R - XML Schema Namespace library
Copyright (C) 2000, 2001, 2002, 2003 NAKAMURA, Hiroshi.
This program is free software; you can redistribute it and/or modify it under
the terms of the GNU General Public License as published by the Free Software
Foundation; either version 2 of the License, or (at your option) any later
version.
This program is distributed in the hope that it will be useful, but WITHOUT ANY
WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A
PRATICULAR PURPOSE. See the GNU General Public License for more details.
You should have received a copy of the GNU General Public License along with
this program; if not, write to the Free Software Foundation, Inc., 675 Mass
Ave, Cambridge, MA 02139, USA.
=end
require 'xsd/datatypes'
module XSD
class NS
class Assigner
def initialize
@count = 0
end
def assign(ns)
@count += 1
"n#{ @count }"
end
end
attr_reader :default_namespace
class FormatError < Error; end
public
def initialize(tag2ns = {})
@tag2ns = tag2ns
@assigner = nil
@ns2tag = {}
@tag2ns.each do |tag, ns|
@ns2tag[ns] = tag
end
@default_namespace = nil
end
def assign(ns, tag = nil)
if (tag == '')
@default_namespace = ns
tag
else
@assigner ||= Assigner.new
tag ||= @assigner.assign(ns)
@ns2tag[ns] = tag
@tag2ns[tag] = ns
tag
end
end
def assigned?(ns)
@ns2tag.key?(ns)
end
def assigned_tag?(tag)
@tag2ns.key?(tag)
end
def clone_ns
cloned = NS.new(@tag2ns.dup)
cloned.assigner = @assigner
cloned.assign(@default_namespace, '') if @default_namespace
cloned
end
def name(name)
if (name.namespace == @default_namespace)
name.name
elsif @ns2tag.key?(name.namespace)
@ns2tag[name.namespace] + ':' << name.name
else
raise FormatError.new('Namespace: ' << name.namespace << ' not defined yet.')
end
end
def compare(ns, name, rhs)
if (ns == @default_namespace)
return true if (name == rhs)
end
@tag2ns.each do |assigned_tag, assigned_ns|
if assigned_ns == ns && "#{ assigned_tag }:#{ name }" == rhs
return true
end
end
false
end
# $1 and $2 are necessary.
ParseRegexp = Regexp.new('^([^:]+)(?::(.+))?$')
def parse(elem)
ns = nil
name = nil
ParseRegexp =~ elem
if $2
ns = @tag2ns[$1]
name = $2
if !ns
raise FormatError.new('Unknown namespace qualifier: ' << $1)
end
elsif $1
ns = @default_namespace
name = $1
end
if !name
raise FormatError.new("Illegal element format: #{ elem }")
end
XSD::QName.new(ns, name)
end
def each_ns
@ns2tag.each do |ns, tag|
yield(ns, tag)
end
end
protected
def assigner=(assigner)
@assigner = assigner
end
end
end
|