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1 package org.jedit.syntax;
2
3
11
12 import javax.swing.text.Segment  ;
13
14
20 public class HTMLTokenMarker extends TokenMarker
21 {
22 public static final byte JAVASCRIPT = Token.INTERNAL_FIRST;
23
24 public HTMLTokenMarker()
25 {
26 this(true);
27 }
28
29 public HTMLTokenMarker(boolean js)
30 {
31 this.js = js;
32 keywords = JavaScriptTokenMarker.getKeywords();
33 }
34
35 public byte markTokensImpl(byte token, Segment line, int lineIndex)
36 {
37 char[] array = line.array;
38 int offset = line.offset;
39 lastOffset = offset;
40 lastKeyword = offset;
41 int length = line.count + offset;
42 boolean backslash = false;
43
44 loop: for(int i = offset; i < length; i++)
45 {
46 int i1 = (i+1);
47
48 char c = array[i];
49 if(c == '\\')
50 {
51 backslash = !backslash;
52 continue;
53 }
54
55 switch(token)
56 {
57 case Token.NULL: backslash = false;
59 switch(c)
60 {
61 case '<':
62 addToken(i - lastOffset,token);
63 lastOffset = lastKeyword = i;
64 if(SyntaxUtilities.regionMatches(false,
65 line,i1,"!--"))
66 {
67 i += 3;
68 token = Token.COMMENT1;
69 }
70 else if(js && SyntaxUtilities.regionMatches(
71 true,line,i1,"script>"))
72 {
73 addToken(8,Token.KEYWORD1);
74 lastOffset = lastKeyword = (i += 8);
75 token = JAVASCRIPT;
76 }
77 else
78 {
79 token = Token.KEYWORD1;
80 }
81 break;
82 case '&':
83 addToken(i - lastOffset,token);
84 lastOffset = lastKeyword = i;
85 token = Token.KEYWORD2;
86 break;
87 }
88 break;
89 case Token.KEYWORD1: backslash = false;
91 if(c == '>')
92 {
93 addToken(i1 - lastOffset,token);
94 lastOffset = lastKeyword = i1;
95 token = Token.NULL;
96 }
97 break;
98 case Token.KEYWORD2: backslash = false;
100 if(c == ';')
101 {
102 addToken(i1 - lastOffset,token);
103 lastOffset = lastKeyword = i1;
104 token = Token.NULL;
105 break;
106 }
107 break;
108 case Token.COMMENT1: backslash = false;
110 if(SyntaxUtilities.regionMatches(false,line,i,"-->"))
111 {
112 addToken((i + 3) - lastOffset,token);
113 lastOffset = lastKeyword = i + 3;
114 token = Token.NULL;
115 }
116 break;
117 case JAVASCRIPT: switch(c)
119 {
120 case '<':
121 backslash = false;
122 doKeyword(line,i,c);
123 if(SyntaxUtilities.regionMatches(true,
124 line,i1,"/script>"))
125 {
126 addToken(i - lastOffset,
127 Token.NULL);
128 addToken(9,Token.KEYWORD1);
129 lastOffset = lastKeyword = (i += 9);
130 token = Token.NULL;
131 }
132 break;
133 case '"':
134 if(backslash)
135 backslash = false;
136 else
137 {
138 doKeyword(line,i,c);
139 addToken(i - lastOffset,Token.NULL);
140 lastOffset = lastKeyword = i;
141 token = Token.LITERAL1;
142 }
143 break;
144 case '\'':
145 if(backslash)
146 backslash = false;
147 else
148 {
149 doKeyword(line,i,c);
150 addToken(i - lastOffset,Token.NULL);
151 lastOffset = lastKeyword = i;
152 token = Token.LITERAL2;
153 }
154 break;
155 case '/':
156 backslash = false;
157 doKeyword(line,i,c);
158 if(length - i > 1)
159 {
160 addToken(i - lastOffset,Token.NULL);
161 lastOffset = lastKeyword = i;
162 if(array[i1] == '/')
163 {
164 addToken(length - i,Token.COMMENT2);
165 lastOffset = lastKeyword = length;
166 break loop;
167 }
168 else if(array[i1] == '*')
169 {
170 token = Token.COMMENT2;
171 }
172 }
173 break;
174 default: backslash = false;
175 if(!Character.isLetterOrDigit(c)
176 && c != '_')
177 doKeyword(line,i,c);
178 break;
179 }
180 break;
181 case Token.LITERAL1: if(backslash)
183 backslash = false;
184 else if(c == '"')
185 {
186 addToken(i1 - lastOffset,Token.LITERAL1);
187 lastOffset = lastKeyword = i1;
188 token = JAVASCRIPT;
189 }
190 break;
191 case Token.LITERAL2: if(backslash)
193 backslash = false;
194 else if(c == '\'')
195 {
196 addToken(i1 - lastOffset,Token.LITERAL1);
197 lastOffset = lastKeyword = i1;
198 token = JAVASCRIPT;
199 }
200 break;
201 case Token.COMMENT2: backslash = false;
203 if(c == '*' && length - i > 1 && array[i1] == '/')
204 {
205 addToken((i+=2) - lastOffset,Token.COMMENT2);
206 lastOffset = lastKeyword = i;
207 token = JAVASCRIPT;
208 }
209 break;
210 default:
211 throw new InternalError ("Invalid state: "
212 + token);
213 }
214 }
215
216 switch(token)
217 {
218 case Token.LITERAL1:
219 case Token.LITERAL2:
220 addToken(length - lastOffset,Token.INVALID);
221 token = JAVASCRIPT;
222 break;
223 case Token.KEYWORD2:
224 addToken(length - lastOffset,Token.INVALID);
225 token = Token.NULL;
226 break;
227 case JAVASCRIPT:
228 doKeyword(line,length,'\0');
229 addToken(length - lastOffset,Token.NULL);
230 break;
231 default:
232 addToken(length - lastOffset,token);
233 break;
234 }
235
236 return token;
237 }
238
239 private KeywordMap keywords;
241 private boolean js;
242 private int lastOffset;
243 private int lastKeyword;
244
245 private boolean doKeyword(Segment line, int i, char c)
246 {
247 int i1 = i+1;
248
249 int len = i - lastKeyword;
250 byte id = keywords.lookup(line,lastKeyword,len);
251 if(id != Token.NULL)
252 {
253 if(lastKeyword != lastOffset)
254 addToken(lastKeyword - lastOffset,Token.NULL);
255 addToken(len,id);
256 lastOffset = i;
257 }
258 lastKeyword = i1;
259 return false;
260 }
261 }
262 |
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