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
|
/**
* (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.getNokogiriClass;
import static nokogiri.internals.NokogiriHelpers.rubyStringToString;
import nokogiri.internals.NokogiriHelpers;
import nokogiri.internals.SaveContextVisitor;
import org.jruby.Ruby;
import org.jruby.RubyClass;
import org.jruby.RubyString;
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.Element;
import org.w3c.dom.Node;
/**
* Class for Nokogiri::XML::Attr
*
* @author sergio
* @author Yoko Harada <yokolet@gmail.com>
*/
@JRubyClass(name="Nokogiri::XML::Attr", parent="Nokogiri::XML::Node")
public class XmlAttr extends XmlNode {
public static final String[] HTML_BOOLEAN_ATTRS = {
"checked", "compact", "declare", "defer", "disabled", "ismap",
"multiple", "nohref", "noresize", "noshade", "nowrap", "readonly",
"selected"
};
public XmlAttr(Ruby ruby, Node attr){
super(ruby, getNokogiriClass(ruby, "Nokogiri::XML::Attr"), attr);
}
public XmlAttr(Ruby ruby, RubyClass rubyClass) {
super(ruby, rubyClass);
}
public XmlAttr(Ruby ruby, RubyClass rubyClass, Node attr){
super(ruby, rubyClass, attr);
}
@Override
protected void init(ThreadContext context, IRubyObject[] args) {
if (args.length < 2) {
throw getRuntime().newArgumentError(args.length, 2);
}
IRubyObject doc = args[0];
IRubyObject content = args[1];
if(!(doc instanceof XmlDocument)) {
final String msg =
"document must be an instance of Nokogiri::XML::Document";
throw getRuntime().newArgumentError(msg);
}
XmlDocument xmlDoc = (XmlDocument)doc;
String str = rubyStringToString(content);
Node attr = xmlDoc.getDocument().createAttribute(str);
setNode(context, attr);
}
// this method is called from XmlNode.setNode()
// if the node is attribute, and its name has prefix "xml"
// the default namespace should be registered for this attribute
void setNamespaceIfNecessary(Ruby runtime) {
if ("xml".equals(node.getPrefix())) {
XmlNamespace.createDefaultNamespace(runtime, node);
}
}
private boolean isHtmlBooleanAttr() {
String name = node.getNodeName().toLowerCase();
for(String s : HTML_BOOLEAN_ATTRS) {
if(s.equals(name)) return true;
}
return false;
}
@Override
@JRubyMethod(name = {"content", "value", "to_s"})
public IRubyObject content(ThreadContext context) {
if (content != null && !content.isNil()) return content;
if (node == null) return context.getRuntime().getNil();
String attrValue = ((Attr)node).getValue();
if (attrValue == null) return context.getRuntime().getNil();
return RubyString.newString(context.getRuntime(), attrValue);
}
@JRubyMethod(name = {"value=", "content="})
public IRubyObject value_set(ThreadContext context, IRubyObject content){
Attr attr = (Attr) node;
if (content != null && !content.isNil()) {
attr.setValue(rubyStringToString(XmlNode.encode_special_chars(context, content)));
}
setContent(content);
return content;
}
@Override
protected IRubyObject getNodeName(ThreadContext context) {
if (name != null) return name;
String attrName = ((Attr)node).getName();
if (!(doc instanceof HtmlDocument) && node.getNamespaceURI() != null) {
attrName = NokogiriHelpers.getLocalPart(attrName);
}
return attrName == null ? context.getRuntime().getNil() : RubyString.newString(context.getRuntime(), attrName);
}
@Override
public void accept(ThreadContext context, SaveContextVisitor visitor) {
visitor.enter((Attr)node);
visitor.leave((Attr)node);
}
private boolean isHtml(ThreadContext context) {
return document(context).getMetaClass().isKindOfModule(getNokogiriClass(context.getRuntime(), "Nokogiri::HTML::Document"));
}
@Override
public IRubyObject unlink(ThreadContext context) {
Attr attr = (Attr) node;
Element parent = attr.getOwnerElement();
parent.removeAttributeNode(attr);
return this;
}
}
|
