Source code: com/port80/html/tidy/AttVal.java
1 /*
2 * @(#)AttVal.java 1.11 2000/08/16
3 *
4 */
5
6 package com.port80.html.tidy;
7
8 /**
9 *
10 * Attribute/Value linked list node
11 *
12 * (c) 1998-2000 (W3C) MIT, INRIA, Keio University
13 * See Tidy.java for the copyright notice.
14 * Derived from <a href="http://www.w3.org/People/Raggett/tidy">
15 * HTML Tidy Release 4 Aug 2000</a>
16 *
17 * @author Dave Raggett <dsr@w3.org>
18 * @author Andy Quick <ac.quick@sympatico.ca> (translation to Java)
19 * @version 1.0, 1999/05/22
20 * @version 1.0.1, 1999/05/29
21 * @version 1.1, 1999/06/18 Java Bean
22 * @version 1.2, 1999/07/10 Tidy Release 7 Jul 1999
23 * @version 1.3, 1999/07/30 Tidy Release 26 Jul 1999
24 * @version 1.4, 1999/09/04 DOM support
25 * @version 1.5, 1999/10/23 Tidy Release 27 Sep 1999
26 * @version 1.6, 1999/11/01 Tidy Release 22 Oct 1999
27 * @version 1.7, 1999/12/06 Tidy Release 30 Nov 1999
28 * @version 1.8, 2000/01/22 Tidy Release 13 Jan 2000
29 * @version 1.9, 2000/06/03 Tidy Release 30 Apr 2000
30 * @version 1.10, 2000/07/22 Tidy Release 8 Jul 2000
31 * @version 1.11, 2000/08/16 Tidy Release 4 Aug 2000
32 */
33
34 public class AttVal extends Object implements Cloneable {
35
36 public AttVal next;
37 public Attribute dict;
38 public Node asp;
39 public Node php;
40 public char delim;
41 public String attribute;
42 public String value;
43
44 public AttVal() {
45 this.next = null;
46 this.dict = null;
47 this.asp = null;
48 this.php = null;
49 this.delim = 0;
50 this.attribute = null;
51 this.value = null;
52 }
53
54 public AttVal(AttVal prev, Attribute dict, char delim, String attribute, String value) {
55 this.next = null;
56 this.dict = dict;
57 this.asp = null;
58 this.php = null;
59 this.delim = delim;
60 this.attribute = attribute;
61 this.value = value;
62 if (prev != null)
63 prev.next = this;
64 }
65
66 public AttVal(AttVal prev, Attribute dict, Node asp, Node php, char delim, String attribute, String value) {
67 this.next = null;
68 this.dict = dict;
69 this.asp = asp;
70 this.php = php;
71 this.delim = delim;
72 this.attribute = attribute;
73 this.value = value;
74 if (prev != null)
75 prev.next = this;
76 }
77
78 protected Object clone() {
79 AttVal av = new AttVal();
80 if (next != null) {
81 av.next = (AttVal) next.clone();
82 }
83 if (attribute != null)
84 av.attribute = attribute;
85 if (value != null)
86 av.value = value;
87 av.delim = delim;
88 if (asp != null) {
89 av.asp = (Node) asp.clone();
90 }
91 if (php != null) {
92 av.php = (Node) php.clone();
93 }
94 av.dict = AttributeTable.getDefaultAttributeTable().findAttribute(this);
95 return av;
96 }
97
98 public boolean isBoolAttribute() {
99 Attribute attribute = this.dict;
100 if (attribute != null) {
101 if (attribute.attrchk == AttrCheckImpl.getCheckBool()) {
102 return true;
103 }
104 }
105
106 return false;
107 }
108
109 /* ignore unknown attributes for proprietary elements */
110 public Attribute checkAttribute(Lexer lexer, Node node) {
111 TagTable tt = lexer.configuration.getTagTable();
112
113 if (this.asp == null && this.php == null)
114 this.checkUniqueAttribute(lexer, node);
115
116 Attribute attribute = this.dict;
117 if (attribute != null) {
118 /* title is vers 2.0 for A and LINK otherwise vers 4.0 */
119 if (attribute == AttributeTable.attrTitle && (node.tag == tt.tagA || node.tag == tt.tagLink))
120 lexer.versions &= Dict.VERS_ALL;
121 else if ((attribute.versions & Dict.VERS_XML) != 0) {
122 if (!(lexer.configuration.XmlTags || lexer.configuration.XmlOut))
123 Report.attrError(lexer, node, this.attribute, Report.XML_ATTRIBUTE_VALUE);
124 } else
125 lexer.versions &= attribute.versions;
126
127 if (attribute.attrchk != null)
128 attribute.attrchk.check(lexer, node, this);
129 } else if (
130 !lexer.configuration.XmlTags
131 && !(node.tag == null)
132 && !((node.tag.versions & Dict.VERS_PROPRIETARY) != 0)
133 && !(node.tag == tt.xmlTags)
134 && this.asp == null)
135 Report.attrError(lexer, node, this.attribute, Report.UNKNOWN_ATTRIBUTE);
136
137 return attribute;
138 }
139
140 /*
141 the same attribute name can't be used
142 more than once in each element
143 */
144 public void checkUniqueAttribute(Lexer lexer, Node node) {
145 AttVal attr;
146 int count = 0;
147
148 for (attr = this.next; attr != null; attr = attr.next) {
149 if (this.attribute != null
150 && attr.attribute != null
151 && attr.asp == null
152 && attr.php == null
153 && Lexer.wstrcasecmp(this.attribute, attr.attribute) == 0)
154 ++count;
155 }
156
157 if (count > 0)
158 Report.attrError(lexer, node, this.attribute, Report.REPEATED_ATTRIBUTE);
159 }
160
161 public String toString() {
162 if (delim != '\0') {
163 return attribute + '=' + delim + value + delim;
164 } else
165 return attribute + "=" + value;
166 }
167
168 /* --------------------- DOM ---------------------------- */
169
170 protected org.w3c.dom.Attr adapter = null;
171
172 protected org.w3c.dom.Attr getAdapter() {
173 if (adapter == null) {
174 adapter = new DOMAttrImpl(this);
175 }
176 return adapter;
177 }
178 /* --------------------- END DOM ------------------------ */
179
180 }