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1
30
31 package it.businesslogic.ireport.gui.syntax;
32
33 import org.syntax.jedit.*;
34 import org.syntax.jedit.tokenmarker.*;
35 import javax.swing.text.Segment  ;
36
37
43 public class JRTokenMarker extends TokenMarker
44 {
45 public byte FIELD_KEYWORD = 0;
46 public byte VARIABLE_KEYWORD = 0;
47 public byte PARAMETER_KEYWORD = 0;
48
49 public JRTokenMarker()
50 {
51 this(getKeywords());
52 }
53
54 public JRTokenMarker(KeywordMap keywords)
55 {
56 this.keywords = keywords;
57 FIELD_KEYWORD = Token.KEYWORD1;
58 VARIABLE_KEYWORD = Token.KEYWORD2;
59 PARAMETER_KEYWORD = Token.KEYWORD3;
60
61 }
62
63 public byte markTokensImpl(byte token, Segment line, int lineIndex)
64 {
65 char[] array = line.array;
66 int offset = line.offset;
67 lastOffset = offset;
68 lastKeyword = offset;
69 int length = line.count + offset;
70 boolean backslash = false;
71
72 loop: for(int i = offset; i < length; i++)
73 {
74 int i1 = (i+1);
75
76 char c = array[i];
77 if(c == '\\')
78 {
79 backslash = !backslash;
80 continue;
81 }
82
83 switch(token)
84 {
85 case Token.NULL:
86 switch(c)
87 {
88 case '#':
89 if(backslash)
90 backslash = false;
91 else if(cpp)
92 {
93 if(doKeyword(line,i,c))
94 break;
95 addToken(i - lastOffset,token);
96 addToken(length - i,Token.KEYWORD2);
97 lastOffset = lastKeyword = length;
98 break loop;
99 }
100 break;
101 case '"':
102 doKeyword(line,i,c);
103 if(backslash)
104 backslash = false;
105 else
106 {
107 addToken(i - lastOffset,token);
108 token = Token.LITERAL1;
109 lastOffset = lastKeyword = i;
110 }
111 break;
112 case '\'':
113 doKeyword(line,i,c);
114 if(backslash)
115 backslash = false;
116 else
117 {
118 addToken(i - lastOffset,token);
119 token = Token.LITERAL2;
120 lastOffset = lastKeyword = i;
121 }
122 break;
123 case ':':
124 if(lastKeyword == offset)
125 {
126 if(doKeyword(line,i,c))
127 break;
128 backslash = false;
129 addToken(i1 - lastOffset,Token.LABEL);
130 lastOffset = lastKeyword = i1;
131 }
132 else if(doKeyword(line,i,c))
133 break;
134 break;
135 case '/':
136 backslash = false;
137 doKeyword(line,i,c);
138 if(length - i > 1)
139 {
140 switch(array[i1])
141 {
142 case '*':
143 addToken(i - lastOffset,token);
144 lastOffset = lastKeyword = i;
145 if(length - i > 2 && array[i+2] == '*')
146 token = Token.COMMENT2;
147 else
148 token = Token.COMMENT1;
149 break;
150 case '/':
151 addToken(i - lastOffset,token);
152 addToken(length - i,Token.COMMENT1);
153 lastOffset = lastKeyword = length;
154 break loop;
155 }
156 }
157 break;
158 default:
159 backslash = false;
160 if(!Character.isLetterOrDigit(c)
161 && c != '_')
162 doKeyword(line,i,c);
163 break;
164 }
165 break;
166 case Token.COMMENT1:
167 case Token.COMMENT2:
168 backslash = false;
169 if(c == '*' && length - i > 1)
170 {
171 if(array[i1] == '/')
172 {
173 i++;
174 addToken((i+1) - lastOffset,token);
175 token = Token.NULL;
176 lastOffset = lastKeyword = i+1;
177 }
178 }
179 break;
180 case Token.LITERAL1:
181 if(backslash)
182 backslash = false;
183 else if(c == '"')
184 {
185 addToken(i1 - lastOffset,token);
186 token = Token.NULL;
187 lastOffset = lastKeyword = i1;
188 }
189 break;
190 case Token.LITERAL2:
191 if(backslash)
192 backslash = false;
193 else if(c == '\'')
194 {
195 addToken(i1 - lastOffset,Token.LITERAL1);
196 token = Token.NULL;
197 lastOffset = lastKeyword = i1;
198 }
199 break;
200 default:
201 throw new InternalError ("Invalid state: "
202 + token);
203 }
204 }
205
206 if(token == Token.NULL)
207 doKeyword(line,length,'\0');
208
209 switch(token)
210 {
211 case Token.LITERAL1:
212 case Token.LITERAL2:
213 addToken(length - lastOffset,Token.INVALID);
214 token = Token.NULL;
215 break;
216 case Token.KEYWORD2:
217 addToken(length - lastOffset,token);
218 if(!backslash)
219 token = Token.NULL;
220 default:
221 addToken(length - lastOffset,token);
222 break;
223 }
224
225 return token;
226 }
227
228 public static KeywordMap getKeywords()
229 {
230 if(cKeywords == null)
231 {
232 cKeywords = new KeywordMap(false);
233 cKeywords.add("package",Token.KEYWORD2);
234 cKeywords.add("import",Token.KEYWORD2);
235 cKeywords.add("byte",Token.KEYWORD3);
236 cKeywords.add("char",Token.KEYWORD3);
237 cKeywords.add("short",Token.KEYWORD3);
238 cKeywords.add("int",Token.KEYWORD3);
239 cKeywords.add("long",Token.KEYWORD3);
240 cKeywords.add("float",Token.KEYWORD3);
241 cKeywords.add("double",Token.KEYWORD3);
242 cKeywords.add("boolean",Token.KEYWORD3);
243 cKeywords.add("void",Token.KEYWORD3);
244 cKeywords.add("class",Token.KEYWORD3);
245 cKeywords.add("interface",Token.KEYWORD3);
246 cKeywords.add("abstract",Token.KEYWORD1);
247 cKeywords.add("final",Token.KEYWORD1);
248 cKeywords.add("private",Token.KEYWORD1);
249 cKeywords.add("protected",Token.KEYWORD1);
250 cKeywords.add("public",Token.KEYWORD1);
251 cKeywords.add("static",Token.KEYWORD1);
252 cKeywords.add("synchronized",Token.KEYWORD1);
253 cKeywords.add("native",Token.KEYWORD1);
254 cKeywords.add("volatile",Token.KEYWORD1);
255 cKeywords.add("transient",Token.KEYWORD1);
256 cKeywords.add("break",Token.KEYWORD1);
257 cKeywords.add("case",Token.KEYWORD1);
258 cKeywords.add("continue",Token.KEYWORD1);
259 cKeywords.add("default",Token.KEYWORD1);
260 cKeywords.add("do",Token.KEYWORD1);
261 cKeywords.add("else",Token.KEYWORD1);
262 cKeywords.add("for",Token.KEYWORD1);
263 cKeywords.add("if",Token.KEYWORD1);
264 cKeywords.add("instanceof",Token.KEYWORD1);
265 cKeywords.add("new",Token.KEYWORD1);
266 cKeywords.add("return",Token.KEYWORD1);
267 cKeywords.add("switch",Token.KEYWORD1);
268 cKeywords.add("while",Token.KEYWORD1);
269 cKeywords.add("throw",Token.KEYWORD1);
270 cKeywords.add("try",Token.KEYWORD1);
271 cKeywords.add("catch",Token.KEYWORD1);
272 cKeywords.add("extends",Token.KEYWORD1);
273 cKeywords.add("finally",Token.KEYWORD1);
274 cKeywords.add("implements",Token.KEYWORD1);
275 cKeywords.add("throws",Token.KEYWORD1);
276 cKeywords.add("this",Token.LITERAL2);
277 cKeywords.add("null",Token.LITERAL2);
278 cKeywords.add("super",Token.LITERAL2);
279 cKeywords.add("true",Token.LITERAL2);
280 cKeywords.add("false",Token.LITERAL2);
281 cKeywords.add("$PPPQ",Token.LITERAL2);
282 cKeywords.add("giulio",Token.LITERAL2);
283 }
284 return cKeywords;
285 }
286
287 private static KeywordMap cKeywords;
289
290 private boolean cpp;
291 protected KeywordMap keywords;
292 private int lastOffset;
293 private int lastKeyword;
294
295 private boolean doKeyword(Segment line, int i, char c)
296 {
297 int i1 = i+1;
298
299 int len = i - lastKeyword;
300 byte id = keywords.lookup(line,lastKeyword,len);
301 if(id != Token.NULL)
302 {
303 if(lastKeyword != lastOffset)
304 addToken(lastKeyword - lastOffset,Token.NULL);
305 addToken(len,id);
306 lastOffset = i;
307 }
308 lastKeyword = i1;
309 return false;
310 }
311
312 public void addKeyword(String key, byte id)
313 {
314 keywords.add( key, id);
315
316 }
317
318 }
319 |
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