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
|
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;
}
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);
}
}
|
