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19
20 package org.netbeans.modules.xml.xdm.nodes;
21
22 import java.util.List  ;
23 import java.util.Map ;
24 import java.util.regex.Pattern ;
25 import org.netbeans.modules.xml.xdm.visitor.XMLNodeVisitor;
26
27
39 public class Attribute extends NodeImpl implements Node, org.w3c.dom.Attr {
40
41 Attribute() {
42 super();
43 }
44
45 Attribute(String name) {
46 super();
47 List <Token> tokens = getTokensForWrite();
48 tokens.add(Token.create(" ", TokenType.TOKEN_WHITESPACE));
49 tokens.add(Token.create(name, TokenType.TOKEN_ATTR_NAME));
50 tokens.add(Token.create("=", TokenType.TOKEN_ATTR_EQUAL));
51 tokens.add(Token.create("\"\"", TokenType.TOKEN_ATTR_VAL));
52 }
53
54 Attribute(String name, String value) {
55 super();
56 List <Token> tokens = getTokensForWrite();
57 tokens.add(Token.create(" ", TokenType.TOKEN_WHITESPACE));
58 tokens.add(Token.create(name, TokenType.TOKEN_ATTR_NAME));
59 tokens.add(Token.create("=", TokenType.TOKEN_ATTR_EQUAL));
60 tokens.add(Token.create("\"".concat(insertEntityReference(value)).concat("\""), TokenType.TOKEN_ATTR_VAL));
61 }
62
63 public short getNodeType() {
64 return Node.ATTRIBUTE_NODE;
65 }
66
67 public String getNodeName() {
68 return getName();
69 }
70
71 public String getNodeValue() {
72 return getValue();
73 }
74
75 public boolean getSpecified() {
76 return false;
77 }
78
79 public boolean isId() {
80 return false;
81 }
82
83 public org.w3c.dom.Element getOwnerElement() {
84 return (org.w3c.dom.Element ) super.getParentNode();
85 }
86
87 public org.w3c.dom.TypeInfo getSchemaTypeInfo() {
88 return null;
89 }
90
91 private void validateTokens(List <Token> newTokens) {
92 assert newTokens != null;
93 assert newTokens.size() >=3 && newTokens.size() <=6;
94 int currentIdx =0;
95 int nameIdx = -1;
96 int equalIdx = -1;
97 int valIdx = -1;
98 for (Token token :newTokens) {
99 if(token.getType() == TokenType.TOKEN_ATTR_NAME) {
100 if(nameIdx !=-1)
101 throw new IllegalArgumentException ();
102 nameIdx = currentIdx;
103 } else if (token.getType() == TokenType.TOKEN_ATTR_EQUAL) {
104 if(equalIdx !=-1 || nameIdx ==-1)
105 throw new IllegalArgumentException ();
106 equalIdx = currentIdx;
107 } else if (token.getType() == TokenType.TOKEN_ATTR_VAL) {
108 if(valIdx != -1 || equalIdx ==-1)
109 throw new IllegalArgumentException ();
110 valIdx = currentIdx;
111 } else if (token.getType() == TokenType.TOKEN_WHITESPACE) {
112 } else
113 throw new IllegalArgumentException ();
114 currentIdx++;
115 }
116 if(nameIdx == -1 || equalIdx == -1 || valIdx == -1)
117 throw new IllegalArgumentException ();
118 }
119
120 void setTokens(List <Token> newTokens) {
121 name = null;
123 value = null;
124 super.setTokens(newTokens);
125 }
126
127 public void accept(XMLNodeVisitor visitor) {
128 visitor.visit(this);
129 }
130
131 public String getLocalName() {
132 String qName = getName();
133 if(qName != null){
134 int idx = qName.indexOf(':')+1;
135 if(idx >0) return qName.substring(idx);
136 }
137 return qName;
138 }
139
140 public void setLocalName(String localName) {
141 String prefix = getPrefix();
142 if(prefix == null) {
143 setName(localName);
144 } else if(localName == null || localName.equals("")) {
145 setName(prefix);
146 } else {
147 setName(prefix.concat(":").concat(localName));
148 }
149 }
150
151 public String getPrefix() {
152 String qName = getName();
153 if(qName != null){
154 int idx = qName.indexOf(':');
155 if(idx >0) return qName.substring(0,idx);
156 }
157 return null;
158 }
159
160 public void setPrefix(String prefix) {
161 String localName = getLocalName();
162 if(prefix == null || prefix.equals("")) {
163 setName(localName);
164 } else {
165 setName(prefix.concat(":").concat(localName));
166 }
167 }
168
169 public String getName() {
170 if(name == null) {
171 for(Token token : getTokens()) {
172 if(token.getType() == TokenType.TOKEN_ATTR_NAME) {
173 name = token.getValue();
174 break;
175 }
176 }
177 }
178 return name;
179 }
180
181 public void setName(String name) {
182 assert name!= null && !"".equals(name);
183 checkNotInTree();
184 this.name = name;
185 int tokenIndex = -1;
186 for(Token token : getTokens()) {
187 tokenIndex++;
188 if(token.getType() == TokenType.TOKEN_ATTR_NAME) {
189 Token newToken = Token.create(name,TokenType.TOKEN_ATTR_NAME);
190 getTokensForWrite().set(tokenIndex,newToken);
191 return;
192 }
193 }
194 }
195
196 public String getValue() {
197 if(value==null) {
198 for(Token token : getTokens()) {
199 if(token.getType() == TokenType.TOKEN_ATTR_VAL) {
200 String tokenValue = token.getValue();
201 int len = tokenValue.length();
202 if (len<=2) {
203 value = "";
204 } else {
205 value = removeEntityReference(tokenValue.substring(1, len-1));
206 }
207 }
208 }
209 }
210 return value;
211 }
212
213 public void setValue(String value) {
214 checkNotInTree();
215 this.value = value;
216 int tokenIndex = -1;
217 for(Token token : getTokens()) {
218 tokenIndex++;
219 if(token.getType() == TokenType.TOKEN_ATTR_VAL) {
220 String oldVal = token.getValue();
221 String newVal = oldVal.charAt(0)+insertEntityReference(value)+oldVal.charAt(oldVal.length()-1);
222 Token newToken = Token.create(newVal,TokenType.TOKEN_ATTR_VAL);
223 getTokensForWrite().set(tokenIndex,newToken);
224 return;
225 }
226 }
227 }
228
229 public boolean isXmlnsAttribute() {
230 return XMLNS.equals(getPrefix()) || XMLNS.equals(getName());
231 }
232
233 protected void cloneNamespacePrefixes(Map <Integer ,String > allNS, Map <String ,String > prefixes) {
234 if (allNS == null) return;
235
236 String [] parts = this.getValue().split(":");
237 String prefix = parts.length > 1 ? parts[0] : null;
238 if (prefix != null) {
239 String namespace = lookupNamespaceURI(prefix);
240 if (namespace != null) {
241 prefixes.put(prefix, namespace);
242 }
243 }
244 super.cloneNamespacePrefixes(allNS, prefixes);
245 }
246
247 private String insertEntityReference(String text) {
248 String result = removeEntityReference(text);
250 result = result.replaceAll("&","&"); result = result.replaceAll("<","<"); result = result.replaceAll("'","'"); result = result.replaceAll("\"","""); return result;
256 }
257
258 private String removeEntityReference(String text) {
259 String result = text;
260 result = AMPERSAND_PATTERN.matcher(result).replaceAll("&"); result = LESS_THAN_PATTERN.matcher(result).replaceAll("<"); result = APOSTROPHE_PATTERN.matcher(result).replaceAll("'"); result = QUOTE_PATTERN.matcher(result).replaceAll("\""); return result;
266 }
267
268 private String name = null;
269 private String value = null;
270 private static final Pattern AMPERSAND_PATTERN = Pattern.compile("&"); private static final Pattern LESS_THAN_PATTERN = Pattern.compile("<"); private static final Pattern APOSTROPHE_PATTERN = Pattern.compile("'"); private static final Pattern QUOTE_PATTERN = Pattern.compile(""");}
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