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
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
|
/**
* (The MIT License)
*
* Copyright (c) 2008 - 2012:
*
* * {Aaron Patterson}[http://tenderlovemaking.com]
* * {Mike Dalessio}[http://mike.daless.io]
* * {Charles Nutter}[http://blog.headius.com]
* * {Sergio Arbeo}[http://www.serabe.com]
* * {Patrick Mahoney}[http://polycrystal.org]
* * {Yoko Harada}[http://yokolet.blogspot.com]
*
* Permission is hereby granted, free of charge, to any person obtaining
* a copy of this software and associated documentation files (the
* 'Software'), to deal in the Software without restriction, including
* without limitation the rights to use, copy, modify, merge, publish,
* distribute, sublicense, and/or sell copies of the Software, and to
* permit persons to whom the Software is furnished to do so, subject to
* the following conditions:
*
* The above copyright notice and this permission notice shall be
* included in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED 'AS IS', WITHOUT WARRANTY OF ANY KIND,
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*/
package nokogiri;
import static nokogiri.internals.NokogiriHelpers.getCachedNodeOrCreate;
import static nokogiri.internals.NokogiriHelpers.getLocalNameForNamespace;
import static nokogiri.internals.NokogiriHelpers.getNokogiriClass;
import nokogiri.internals.SaveContextVisitor;
import org.jruby.Ruby;
import org.jruby.RubyClass;
import org.jruby.RubyObject;
import org.jruby.anno.JRubyClass;
import org.jruby.anno.JRubyMethod;
import org.jruby.runtime.ThreadContext;
import org.jruby.runtime.builtin.IRubyObject;
import org.w3c.dom.Attr;
import org.w3c.dom.Document;
import org.w3c.dom.Node;
/**
* Class for Nokogiri::XML::Namespace
*
* @author serabe
* @author Yoko Harada <yokolet@gmail.com>
*/
@JRubyClass(name="Nokogiri::XML::Namespace")
public class XmlNamespace extends RubyObject {
private Attr attr;
private transient IRubyObject prefixRuby;
private transient IRubyObject hrefRuby;
private String prefix;
private String href;
public XmlNamespace(Ruby runtime, RubyClass klazz) {
super(runtime, klazz);
}
XmlNamespace(Ruby runtime, Attr attr, String prefix, String href, IRubyObject document) {
this(runtime, attr, prefix, null, href, null, document);
}
private XmlNamespace(Ruby runtime, Attr attr, String prefix, IRubyObject prefixRuby,
String href, IRubyObject hrefRuby, IRubyObject document) {
super(runtime, getNokogiriClass(runtime, "Nokogiri::XML::Namespace"));
this.attr = attr;
this.prefix = prefix;
this.href = href;
this.prefixRuby = prefixRuby;
this.hrefRuby = hrefRuby;
setInstanceVariable("@document", document);
}
public Node getNode() {
return attr;
}
public String getPrefix() {
return prefix;
}
boolean hasPrefix(String prefix) {
return prefix == null ? this.prefix == null : prefix.equals(this.prefix);
}
public String getHref() {
return href;
}
void deleteHref() {
href = "http://www.w3.org/XML/1998/namespace";
hrefRuby = null;
attr.getOwnerElement().removeAttributeNode(attr);
}
public static XmlNamespace createFromAttr(Ruby runtime, Attr attr) {
String prefixStr = getLocalNameForNamespace(attr.getName(), null);
IRubyObject prefix = prefixStr == null ? runtime.getNil() : null;
String hrefStr = attr.getValue();
// check namespace cache
XmlDocument xmlDocument = (XmlDocument) getCachedNodeOrCreate(runtime, attr.getOwnerDocument());
XmlNamespace namespace = xmlDocument.getNamespaceCache().get(prefixStr, hrefStr);
if (namespace != null) return namespace;
namespace = new XmlNamespace(runtime, attr, prefixStr, prefix, hrefStr, null, xmlDocument);
xmlDocument.getNamespaceCache().put(namespace, attr.getOwnerElement());
return namespace;
}
static XmlNamespace createImpl(Node owner, IRubyObject prefix, String prefixStr, IRubyObject href, String hrefStr) {
final Ruby runtime = prefix.getRuntime();
Document document = owner.getOwnerDocument();
XmlDocument xmlDocument = (XmlDocument) getCachedNodeOrCreate(runtime, document);
assert xmlDocument.getNamespaceCache().get(prefixStr, hrefStr) == null;
// creating XmlNamespace instance
String attrName = "xmlns";
if (prefixStr != null && !prefixStr.isEmpty()) attrName = attrName + ':' + prefixStr;
Attr attrNode = document.createAttribute(attrName);
attrNode.setNodeValue(hrefStr);
XmlNamespace namespace = new XmlNamespace(runtime, attrNode, prefixStr, prefix, hrefStr, href, xmlDocument);
xmlDocument.getNamespaceCache().put(namespace, owner);
return namespace;
}
// owner should be an Attr node
public static XmlNamespace createDefaultNamespace(Ruby runtime, Node owner) {
String prefixStr = owner.getPrefix();
String hrefStr = owner.getNamespaceURI();
// check namespace cache
XmlDocument xmlDocument = (XmlDocument) getCachedNodeOrCreate(runtime, owner.getOwnerDocument());
XmlNamespace namespace = xmlDocument.getNamespaceCache().get(prefixStr, hrefStr);
if (namespace != null) return namespace;
namespace = new XmlNamespace(runtime, (Attr) owner, prefixStr, hrefStr, xmlDocument);
xmlDocument.getNamespaceCache().put(namespace, owner);
return namespace;
}
/**
* Create and return a copy of this object.
*
* @return a clone of this object
*/
@Override
public Object clone() throws CloneNotSupportedException {
return super.clone();
}
public boolean isEmpty() {
return prefix == null && href == null;
}
@JRubyMethod
public IRubyObject href(ThreadContext context) {
if (hrefRuby == null) {
if (href == null) return hrefRuby = context.nil;
return hrefRuby = context.runtime.newString(href);
}
return hrefRuby;
}
@JRubyMethod
public IRubyObject prefix(ThreadContext context) {
if (prefixRuby == null) {
if (prefix == null) return prefixRuby = context.nil;
return prefixRuby = context.runtime.newString(prefix);
}
return prefixRuby;
}
public void accept(ThreadContext context, SaveContextVisitor visitor) {
String prefix = this.prefix;
if (prefix == null) prefix = "";
String href = this.href;
if (href == null) href = "";
String string = ' ' + prefix + '=' + '"' + href + '"';
visitor.enter(string);
visitor.leave(string);
// is below better?
//visitor.enter(attr);
//visitor.leave(attr);
}
}
|
