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1
30
31 package org.syntax.jedit.tokenmarker;
32
33 import org.syntax.jedit.*;
34 import javax.swing.text.Segment  ;
35
36
42 public class HTMLTokenMarker extends TokenMarker
43 {
44 public static final byte JAVASCRIPT = Token.INTERNAL_FIRST;
45
46 public HTMLTokenMarker()
47 {
48 this(true);
49 }
50
51 public HTMLTokenMarker(boolean js)
52 {
53 this.js = js;
54 keywords = JavaScriptTokenMarker.getKeywords();
55 }
56
57 public byte markTokensImpl(byte token, Segment line, int lineIndex)
58 {
59 char[] array = line.array;
60 int offset = line.offset;
61 lastOffset = offset;
62 lastKeyword = offset;
63 int length = line.count + offset;
64 boolean backslash = false;
65
66 loop: for(int i = offset; i < length; i++)
67 {
68 int i1 = (i+1);
69
70 char c = array[i];
71 if(c == '\\')
72 {
73 backslash = !backslash;
74 continue;
75 }
76
77 switch(token)
78 {
79 case Token.NULL: backslash = false;
81 switch(c)
82 {
83 case '<':
84 addToken(i - lastOffset,token);
85 lastOffset = lastKeyword = i;
86 if(SyntaxUtilities.regionMatches(false,
87 line,i1,"!--"))
88 {
89 i += 3;
90 token = Token.COMMENT1;
91 }
92 else if(js && SyntaxUtilities.regionMatches(
93 true,line,i1,"script>"))
94 {
95 addToken(8,Token.KEYWORD1);
96 lastOffset = lastKeyword = (i += 8);
97 token = JAVASCRIPT;
98 }
99 else
100 {
101 token = Token.KEYWORD1;
102 }
103 break;
104 case '&':
105 addToken(i - lastOffset,token);
106 lastOffset = lastKeyword = i;
107 token = Token.KEYWORD2;
108 break;
109 }
110 break;
111 case Token.KEYWORD1: backslash = false;
113 if(c == '>')
114 {
115 addToken(i1 - lastOffset,token);
116 lastOffset = lastKeyword = i1;
117 token = Token.NULL;
118 }
119 break;
120 case Token.KEYWORD2: backslash = false;
122 if(c == ';')
123 {
124 addToken(i1 - lastOffset,token);
125 lastOffset = lastKeyword = i1;
126 token = Token.NULL;
127 break;
128 }
129 break;
130 case Token.COMMENT1: backslash = false;
132 if(SyntaxUtilities.regionMatches(false,line,i,"-->"))
133 {
134 addToken((i + 3) - lastOffset,token);
135 lastOffset = lastKeyword = i + 3;
136 token = Token.NULL;
137 }
138 break;
139 case JAVASCRIPT: switch(c)
141 {
142 case '<':
143 backslash = false;
144 doKeyword(line,i,c);
145 if(SyntaxUtilities.regionMatches(true,
146 line,i1,"/script>"))
147 {
148 addToken(i - lastOffset,
149 Token.NULL);
150 addToken(9,Token.KEYWORD1);
151 lastOffset = lastKeyword = (i += 9);
152 token = Token.NULL;
153 }
154 break;
155 case '"':
156 if(backslash)
157 backslash = false;
158 else
159 {
160 doKeyword(line,i,c);
161 addToken(i - lastOffset,Token.NULL);
162 lastOffset = lastKeyword = i;
163 token = Token.LITERAL1;
164 }
165 break;
166 case '\'':
167 if(backslash)
168 backslash = false;
169 else
170 {
171 doKeyword(line,i,c);
172 addToken(i - lastOffset,Token.NULL);
173 lastOffset = lastKeyword = i;
174 token = Token.LITERAL2;
175 }
176 break;
177 case '/':
178 backslash = false;
179 doKeyword(line,i,c);
180 if(length - i > 1)
181 {
182 addToken(i - lastOffset,Token.NULL);
183 lastOffset = lastKeyword = i;
184 if(array[i1] == '/')
185 {
186 addToken(length - i,Token.COMMENT2);
187 lastOffset = lastKeyword = length;
188 break loop;
189 }
190 else if(array[i1] == '*')
191 {
192 token = Token.COMMENT2;
193 }
194 }
195 break;
196 default: backslash = false;
197 if(!Character.isLetterOrDigit(c)
198 && c != '_')
199 doKeyword(line,i,c);
200 break;
201 }
202 break;
203 case Token.LITERAL1: if(backslash)
205 backslash = false;
206 else if(c == '"')
207 {
208 addToken(i1 - lastOffset,Token.LITERAL1);
209 lastOffset = lastKeyword = i1;
210 token = JAVASCRIPT;
211 }
212 break;
213 case Token.LITERAL2: if(backslash)
215 backslash = false;
216 else if(c == '\'')
217 {
218 addToken(i1 - lastOffset,Token.LITERAL1);
219 lastOffset = lastKeyword = i1;
220 token = JAVASCRIPT;
221 }
222 break;
223 case Token.COMMENT2: backslash = false;
225 if(c == '*' && length - i > 1 && array[i1] == '/')
226 {
227 addToken((i+=2) - lastOffset,Token.COMMENT2);
228 lastOffset = lastKeyword = i;
229 token = JAVASCRIPT;
230 }
231 break;
232 default:
233 throw new InternalError ("Invalid state: "
234 + token);
235 }
236 }
237
238 switch(token)
239 {
240 case Token.LITERAL1:
241 case Token.LITERAL2:
242 addToken(length - lastOffset,Token.INVALID);
243 token = JAVASCRIPT;
244 break;
245 case Token.KEYWORD2:
246 addToken(length - lastOffset,Token.INVALID);
247 token = Token.NULL;
248 break;
249 case JAVASCRIPT:
250 doKeyword(line,length,'\0');
251 addToken(length - lastOffset,Token.NULL);
252 break;
253 default:
254 addToken(length - lastOffset,token);
255 break;
256 }
257
258 return token;
259 }
260
261 private KeywordMap keywords;
263 private boolean js;
264 private int lastOffset;
265 private int lastKeyword;
266
267 private boolean doKeyword(Segment line, int i, char c)
268 {
269 int i1 = i+1;
270
271 int len = i - lastKeyword;
272 byte id = keywords.lookup(line,lastKeyword,len);
273 if(id != Token.NULL)
274 {
275 if(lastKeyword != lastOffset)
276 addToken(lastKeyword - lastOffset,Token.NULL);
277 addToken(len,id);
278 lastOffset = i;
279 }
280 lastKeyword = i1;
281 return false;
282 }
283 }
284 |
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