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package org.jaxen.saxpath.base; |
66 |
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|
67 |
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class XPathLexer |
68 |
|
{ |
69 |
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private String xpath; |
70 |
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private int currentPosition; |
71 |
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private int endPosition; |
72 |
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|
73 |
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private Token previousToken; |
74 |
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|
75 |
|
XPathLexer(String xpath) |
76 |
11430 |
{ |
77 |
11430 |
setXPath( xpath ); |
78 |
11430 |
} |
79 |
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|
80 |
|
private void setXPath(String xpath) |
81 |
|
{ |
82 |
11430 |
this.xpath = xpath; |
83 |
11430 |
this.currentPosition = 0; |
84 |
11430 |
this.endPosition = xpath.length(); |
85 |
11430 |
} |
86 |
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|
87 |
|
String getXPath() |
88 |
|
{ |
89 |
408066 |
return this.xpath; |
90 |
|
} |
91 |
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|
92 |
|
Token nextToken() |
93 |
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{ |
94 |
87132 |
Token token = null; |
95 |
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|
96 |
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do |
97 |
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{ |
98 |
95796 |
token = null; |
99 |
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|
100 |
95796 |
switch ( LA(1) ) |
101 |
|
{ |
102 |
|
case '$': |
103 |
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{ |
104 |
150 |
token = dollar(); |
105 |
150 |
break; |
106 |
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} |
107 |
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|
108 |
|
case '"': |
109 |
|
case '\'': |
110 |
|
{ |
111 |
4038 |
token = literal(); |
112 |
4038 |
break; |
113 |
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} |
114 |
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|
115 |
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case '/': |
116 |
|
{ |
117 |
12456 |
token = slashes(); |
118 |
12456 |
break; |
119 |
|
} |
120 |
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|
121 |
|
case ',': |
122 |
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{ |
123 |
1908 |
token = comma(); |
124 |
1908 |
break; |
125 |
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} |
126 |
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|
127 |
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case '(': |
128 |
|
{ |
129 |
6174 |
token = leftParen(); |
130 |
6174 |
break; |
131 |
|
} |
132 |
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|
133 |
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case ')': |
134 |
|
{ |
135 |
6090 |
token = rightParen(); |
136 |
6090 |
break; |
137 |
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} |
138 |
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|
139 |
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case '[': |
140 |
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{ |
141 |
2412 |
token = leftBracket(); |
142 |
2412 |
break; |
143 |
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} |
144 |
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|
145 |
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case ']': |
146 |
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{ |
147 |
2346 |
token = rightBracket(); |
148 |
2346 |
break; |
149 |
|
} |
150 |
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|
151 |
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case '+': |
152 |
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{ |
153 |
450 |
token = plus(); |
154 |
450 |
break; |
155 |
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} |
156 |
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|
157 |
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case '-': |
158 |
|
{ |
159 |
462 |
token = minus(); |
160 |
462 |
break; |
161 |
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} |
162 |
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|
163 |
|
case '<': |
164 |
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case '>': |
165 |
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{ |
166 |
630 |
token = relationalOperator(); |
167 |
630 |
break; |
168 |
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} |
169 |
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|
170 |
|
case '=': |
171 |
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{ |
172 |
1728 |
token = equals(); |
173 |
1728 |
break; |
174 |
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} |
175 |
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|
176 |
|
case '!': |
177 |
|
{ |
178 |
228 |
if ( LA(2) == '=' ) |
179 |
|
{ |
180 |
222 |
token = notEquals(); |
181 |
|
} |
182 |
|
else |
183 |
|
{ |
184 |
6 |
token = not(); |
185 |
|
} |
186 |
6 |
break; |
187 |
|
} |
188 |
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|
189 |
|
case '|': |
190 |
|
{ |
191 |
126 |
token = pipe(); |
192 |
126 |
break; |
193 |
|
} |
194 |
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|
195 |
|
case '@': |
196 |
|
{ |
197 |
1314 |
token = at(); |
198 |
1314 |
break; |
199 |
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} |
200 |
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|
201 |
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case ':': |
202 |
|
{ |
203 |
3210 |
if ( LA(2) == ':' ) |
204 |
|
{ |
205 |
2628 |
token = doubleColon(); |
206 |
|
} |
207 |
|
else |
208 |
|
{ |
209 |
582 |
token = colon(); |
210 |
|
} |
211 |
582 |
break; |
212 |
|
} |
213 |
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|
214 |
|
case '*': |
215 |
|
{ |
216 |
2766 |
token = star(); |
217 |
2766 |
break; |
218 |
|
} |
219 |
|
|
220 |
|
case '.': |
221 |
|
{ |
222 |
666 |
switch ( LA(2) ) |
223 |
|
{ |
224 |
|
case '0': |
225 |
|
case '1': |
226 |
|
case '2': |
227 |
|
case '3': |
228 |
|
case '4': |
229 |
|
case '5': |
230 |
|
case '6': |
231 |
|
case '7': |
232 |
|
case '8': |
233 |
|
case '9': |
234 |
|
{ |
235 |
6 |
token = number(); |
236 |
6 |
break; |
237 |
|
} |
238 |
|
default: |
239 |
|
{ |
240 |
660 |
token = dots(); |
241 |
660 |
break; |
242 |
|
} |
243 |
|
} |
244 |
|
break; |
245 |
|
} |
246 |
|
|
247 |
|
case '0': |
248 |
|
case '1': |
249 |
|
case '2': |
250 |
|
case '3': |
251 |
|
case '4': |
252 |
|
case '5': |
253 |
|
case '6': |
254 |
|
case '7': |
255 |
|
case '8': |
256 |
|
case '9': |
257 |
|
{ |
258 |
4608 |
token = number(); |
259 |
4608 |
break; |
260 |
|
} |
261 |
|
|
262 |
|
case ' ': |
263 |
|
case '\t': |
264 |
|
case '\n': |
265 |
|
case '\r': |
266 |
|
{ |
267 |
8664 |
token = whitespace(); |
268 |
8664 |
break; |
269 |
|
} |
270 |
|
|
271 |
|
default: |
272 |
|
{ |
273 |
35370 |
if ( isIdentifierStartChar( LA(1) ) ) |
274 |
|
{ |
275 |
20946 |
token = identifierOrOperatorName(); |
276 |
|
} |
277 |
|
} |
278 |
|
} |
279 |
|
|
280 |
95796 |
if ( token == null ) |
281 |
|
{ |
282 |
14520 |
if (!hasMoreChars()) |
283 |
|
{ |
284 |
14436 |
token = new Token( TokenTypes.EOF, |
285 |
|
getXPath(), |
286 |
|
currentPosition(), |
287 |
|
endPosition() ); |
288 |
|
} |
289 |
|
else |
290 |
|
{ |
291 |
84 |
token = new Token( TokenTypes.ERROR, |
292 |
|
getXPath(), |
293 |
|
currentPosition(), |
294 |
|
endPosition() ); |
295 |
|
} |
296 |
|
} |
297 |
|
|
298 |
|
} |
299 |
95796 |
while ( token.getTokenType() == TokenTypes.SKIP ); |
300 |
|
|
301 |
87132 |
setPreviousToken( token ); |
302 |
|
|
303 |
87132 |
return token; |
304 |
|
} |
305 |
|
|
306 |
|
private Token identifierOrOperatorName() |
307 |
|
{ |
308 |
20946 |
Token token = null; |
309 |
|
|
310 |
20946 |
if ( previousToken != null ) |
311 |
|
{ |
312 |
|
|
313 |
|
|
314 |
|
|
315 |
|
|
316 |
|
|
317 |
|
|
318 |
|
|
319 |
|
|
320 |
|
|
321 |
|
|
322 |
|
|
323 |
15936 |
switch ( previousToken.getTokenType() ) |
324 |
|
{ |
325 |
|
case TokenTypes.AT: |
326 |
|
case TokenTypes.DOUBLE_COLON: |
327 |
|
case TokenTypes.LEFT_PAREN: |
328 |
|
case TokenTypes.LEFT_BRACKET: |
329 |
|
case TokenTypes.AND: |
330 |
|
case TokenTypes.OR: |
331 |
|
case TokenTypes.MOD: |
332 |
|
case TokenTypes.DIV: |
333 |
|
case TokenTypes.COLON: |
334 |
|
case TokenTypes.SLASH: |
335 |
|
case TokenTypes.DOUBLE_SLASH: |
336 |
|
case TokenTypes.PIPE: |
337 |
|
case TokenTypes.DOLLAR: |
338 |
|
case TokenTypes.PLUS: |
339 |
|
case TokenTypes.MINUS: |
340 |
|
case TokenTypes.STAR: |
341 |
|
case TokenTypes.COMMA: |
342 |
|
case TokenTypes.LESS_THAN_SIGN: |
343 |
|
case TokenTypes.GREATER_THAN_SIGN: |
344 |
|
case TokenTypes.LESS_THAN_OR_EQUALS_SIGN: |
345 |
|
case TokenTypes.GREATER_THAN_OR_EQUALS_SIGN: |
346 |
|
case TokenTypes.EQUALS: |
347 |
|
case TokenTypes.NOT_EQUALS: |
348 |
|
{ |
349 |
15024 |
token = identifier(); |
350 |
15024 |
break; |
351 |
|
} |
352 |
|
default: |
353 |
|
{ |
354 |
912 |
token = operatorName(); |
355 |
912 |
break; |
356 |
|
} |
357 |
|
} |
358 |
|
} |
359 |
|
else |
360 |
|
{ |
361 |
5010 |
token = identifier(); |
362 |
|
} |
363 |
|
|
364 |
20946 |
return token; |
365 |
|
} |
366 |
|
|
367 |
|
private Token identifier() |
368 |
|
{ |
369 |
20034 |
Token token = null; |
370 |
|
|
371 |
20034 |
int start = currentPosition(); |
372 |
|
|
373 |
142800 |
while ( hasMoreChars() ) |
374 |
|
{ |
375 |
140274 |
if ( isIdentifierChar( LA(1) ) ) |
376 |
|
{ |
377 |
122766 |
consume(); |
378 |
|
} |
379 |
|
else |
380 |
|
{ |
381 |
|
break; |
382 |
|
} |
383 |
|
} |
384 |
|
|
385 |
20034 |
token = new Token( TokenTypes.IDENTIFIER, |
386 |
|
getXPath(), |
387 |
|
start, |
388 |
|
currentPosition() ); |
389 |
|
|
390 |
20034 |
return token; |
391 |
|
} |
392 |
|
|
393 |
|
private Token operatorName() |
394 |
|
{ |
395 |
912 |
Token token = null; |
396 |
|
|
397 |
912 |
switch ( LA(1) ) |
398 |
|
{ |
399 |
|
case 'a': |
400 |
|
{ |
401 |
426 |
token = and(); |
402 |
426 |
break; |
403 |
|
} |
404 |
|
|
405 |
|
case 'o': |
406 |
|
{ |
407 |
36 |
token = or(); |
408 |
36 |
break; |
409 |
|
} |
410 |
|
|
411 |
|
case 'm': |
412 |
|
{ |
413 |
78 |
token = mod(); |
414 |
78 |
break; |
415 |
|
} |
416 |
|
|
417 |
|
case 'd': |
418 |
|
{ |
419 |
300 |
token = div(); |
420 |
|
break; |
421 |
|
} |
422 |
|
} |
423 |
|
|
424 |
912 |
return token; |
425 |
|
} |
426 |
|
|
427 |
|
private Token mod() |
428 |
|
{ |
429 |
78 |
Token token = null; |
430 |
|
|
431 |
78 |
if ( ( LA(1) == 'm' ) |
432 |
|
&& |
433 |
|
( LA(2) == 'o' ) |
434 |
|
&& |
435 |
|
( LA(3) == 'd' ) |
436 |
|
) |
437 |
|
{ |
438 |
78 |
token = new Token( TokenTypes.MOD, |
439 |
|
getXPath(), |
440 |
|
currentPosition(), |
441 |
|
currentPosition()+3 ); |
442 |
|
|
443 |
78 |
consume(); |
444 |
78 |
consume(); |
445 |
78 |
consume(); |
446 |
|
} |
447 |
|
|
448 |
78 |
return token; |
449 |
|
} |
450 |
|
|
451 |
|
private Token div() |
452 |
|
{ |
453 |
300 |
Token token = null; |
454 |
|
|
455 |
300 |
if ( ( LA(1) == 'd' ) |
456 |
|
&& |
457 |
|
( LA(2) == 'i' ) |
458 |
|
&& |
459 |
|
( LA(3) == 'v' ) |
460 |
|
) |
461 |
|
{ |
462 |
300 |
token = new Token( TokenTypes.DIV, |
463 |
|
getXPath(), |
464 |
|
currentPosition(), |
465 |
|
currentPosition()+3 ); |
466 |
|
|
467 |
300 |
consume(); |
468 |
300 |
consume(); |
469 |
300 |
consume(); |
470 |
|
} |
471 |
|
|
472 |
300 |
return token; |
473 |
|
} |
474 |
|
|
475 |
|
private Token and() |
476 |
|
{ |
477 |
426 |
Token token = null; |
478 |
|
|
479 |
426 |
if ( ( LA(1) == 'a' ) |
480 |
|
&& |
481 |
|
( LA(2) == 'n' ) |
482 |
|
&& |
483 |
|
( LA(3) == 'd' ) |
484 |
|
) |
485 |
|
{ |
486 |
426 |
token = new Token( TokenTypes.AND, |
487 |
|
getXPath(), |
488 |
|
currentPosition(), |
489 |
|
currentPosition()+3 ); |
490 |
|
|
491 |
426 |
consume(); |
492 |
426 |
consume(); |
493 |
426 |
consume(); |
494 |
|
} |
495 |
|
|
496 |
426 |
return token; |
497 |
|
} |
498 |
|
|
499 |
|
private Token or() |
500 |
|
{ |
501 |
36 |
Token token = null; |
502 |
|
|
503 |
36 |
if ( ( LA(1) == 'o' ) |
504 |
|
&& |
505 |
|
( LA(2) == 'r' ) |
506 |
|
) |
507 |
|
{ |
508 |
36 |
token = new Token( TokenTypes.OR, |
509 |
|
getXPath(), |
510 |
|
currentPosition(), |
511 |
|
currentPosition()+2 ); |
512 |
|
|
513 |
36 |
consume(); |
514 |
36 |
consume(); |
515 |
|
} |
516 |
|
|
517 |
36 |
return token; |
518 |
|
} |
519 |
|
|
520 |
|
private Token number() |
521 |
|
{ |
522 |
4614 |
int start = currentPosition(); |
523 |
4614 |
boolean periodAllowed = true; |
524 |
|
|
525 |
|
loop: |
526 |
|
while( true ) |
527 |
|
{ |
528 |
10536 |
switch ( LA(1) ) |
529 |
|
{ |
530 |
|
case '.': |
531 |
|
{ |
532 |
300 |
if ( periodAllowed ) |
533 |
|
{ |
534 |
300 |
periodAllowed = false; |
535 |
300 |
consume(); |
536 |
|
} |
537 |
|
else |
538 |
|
{ |
539 |
|
break loop; |
540 |
|
} |
541 |
|
break; |
542 |
|
} |
543 |
|
|
544 |
|
case '0': |
545 |
|
case '1': |
546 |
|
case '2': |
547 |
|
case '3': |
548 |
|
case '4': |
549 |
|
case '5': |
550 |
|
case '6': |
551 |
|
case '7': |
552 |
|
case '8': |
553 |
|
case '9': |
554 |
|
{ |
555 |
5622 |
consume(); |
556 |
5622 |
break; |
557 |
|
} |
558 |
|
default: |
559 |
|
{ |
560 |
4614 |
break loop; |
561 |
|
} |
562 |
|
} |
563 |
|
} |
564 |
|
|
565 |
4614 |
Token token = null; |
566 |
|
|
567 |
4614 |
if ( periodAllowed ) |
568 |
|
{ |
569 |
4314 |
token = new Token( TokenTypes.INTEGER, |
570 |
|
getXPath(), |
571 |
|
start, |
572 |
|
currentPosition() ); |
573 |
|
} |
574 |
|
else |
575 |
|
{ |
576 |
300 |
token = new Token( TokenTypes.DOUBLE, |
577 |
|
getXPath(), |
578 |
|
start, |
579 |
|
currentPosition() ); |
580 |
|
} |
581 |
|
|
582 |
4614 |
return token; |
583 |
|
} |
584 |
|
|
585 |
|
private Token whitespace() |
586 |
|
{ |
587 |
8664 |
consume(); |
588 |
|
|
589 |
|
loop: |
590 |
8718 |
while( hasMoreChars() ) |
591 |
|
{ |
592 |
8664 |
switch ( LA(1) ) |
593 |
|
{ |
594 |
|
case ' ': |
595 |
|
case '\t': |
596 |
|
case '\n': |
597 |
|
case '\r': |
598 |
|
{ |
599 |
54 |
consume(); |
600 |
54 |
break; |
601 |
|
} |
602 |
|
|
603 |
|
default: |
604 |
|
{ |
605 |
8610 |
break loop; |
606 |
|
} |
607 |
|
} |
608 |
|
} |
609 |
|
|
610 |
8664 |
return new Token( TokenTypes.SKIP, |
611 |
|
getXPath(), |
612 |
|
0, |
613 |
|
0 ); |
614 |
|
} |
615 |
|
|
616 |
|
private Token comma() |
617 |
|
{ |
618 |
1908 |
Token token = new Token( TokenTypes.COMMA, |
619 |
|
getXPath(), |
620 |
|
currentPosition(), |
621 |
|
currentPosition()+1 ); |
622 |
|
|
623 |
1908 |
consume(); |
624 |
|
|
625 |
1908 |
return token; |
626 |
|
} |
627 |
|
|
628 |
|
private Token equals() |
629 |
|
{ |
630 |
1728 |
Token token = new Token( TokenTypes.EQUALS, |
631 |
|
getXPath(), |
632 |
|
currentPosition(), |
633 |
|
currentPosition()+1 ); |
634 |
|
|
635 |
1728 |
consume(); |
636 |
|
|
637 |
1728 |
return token; |
638 |
|
} |
639 |
|
|
640 |
|
private Token minus() |
641 |
|
{ |
642 |
462 |
Token token = new Token( TokenTypes.MINUS, |
643 |
|
getXPath(), |
644 |
|
currentPosition(), |
645 |
|
currentPosition()+1 ); |
646 |
462 |
consume(); |
647 |
|
|
648 |
462 |
return token; |
649 |
|
} |
650 |
|
|
651 |
|
private Token plus() |
652 |
|
{ |
653 |
450 |
Token token = new Token( TokenTypes.PLUS, |
654 |
|
getXPath(), |
655 |
|
currentPosition(), |
656 |
|
currentPosition()+1 ); |
657 |
450 |
consume(); |
658 |
|
|
659 |
450 |
return token; |
660 |
|
} |
661 |
|
|
662 |
|
private Token dollar() |
663 |
|
{ |
664 |
150 |
Token token = new Token( TokenTypes.DOLLAR, |
665 |
|
getXPath(), |
666 |
|
currentPosition(), |
667 |
|
currentPosition()+1 ); |
668 |
150 |
consume(); |
669 |
|
|
670 |
150 |
return token; |
671 |
|
} |
672 |
|
|
673 |
|
private Token pipe() |
674 |
|
{ |
675 |
126 |
Token token = new Token( TokenTypes.PIPE, |
676 |
|
getXPath(), |
677 |
|
currentPosition(), |
678 |
|
currentPosition()+1 ); |
679 |
|
|
680 |
126 |
consume(); |
681 |
|
|
682 |
126 |
return token; |
683 |
|
} |
684 |
|
|
685 |
|
private Token at() |
686 |
|
{ |
687 |
1314 |
Token token = new Token( TokenTypes.AT, |
688 |
|
getXPath(), |
689 |
|
currentPosition(), |
690 |
|
currentPosition()+1 ); |
691 |
|
|
692 |
1314 |
consume(); |
693 |
|
|
694 |
1314 |
return token; |
695 |
|
} |
696 |
|
|
697 |
|
private Token colon() |
698 |
|
{ |
699 |
582 |
Token token = new Token( TokenTypes.COLON, |
700 |
|
getXPath(), |
701 |
|
currentPosition(), |
702 |
|
currentPosition()+1 ); |
703 |
582 |
consume(); |
704 |
|
|
705 |
582 |
return token; |
706 |
|
} |
707 |
|
|
708 |
|
private Token doubleColon() |
709 |
|
{ |
710 |
2628 |
Token token = new Token( TokenTypes.DOUBLE_COLON, |
711 |
|
getXPath(), |
712 |
|
currentPosition(), |
713 |
|
currentPosition()+2 ); |
714 |
|
|
715 |
2628 |
consume(); |
716 |
2628 |
consume(); |
717 |
|
|
718 |
2628 |
return token; |
719 |
|
} |
720 |
|
|
721 |
|
private Token not() |
722 |
|
{ |
723 |
6 |
Token token = new Token( TokenTypes.NOT, |
724 |
|
getXPath(), |
725 |
|
currentPosition(), |
726 |
|
currentPosition() + 1 ); |
727 |
|
|
728 |
6 |
consume(); |
729 |
|
|
730 |
6 |
return token; |
731 |
|
} |
732 |
|
|
733 |
|
private Token notEquals() |
734 |
|
{ |
735 |
222 |
Token token = new Token( TokenTypes.NOT_EQUALS, |
736 |
|
getXPath(), |
737 |
|
currentPosition(), |
738 |
|
currentPosition() + 2 ); |
739 |
|
|
740 |
222 |
consume(); |
741 |
222 |
consume(); |
742 |
|
|
743 |
222 |
return token; |
744 |
|
} |
745 |
|
|
746 |
|
private Token relationalOperator() |
747 |
|
{ |
748 |
630 |
Token token = null; |
749 |
|
|
750 |
630 |
switch ( LA(1) ) |
751 |
|
{ |
752 |
|
case '<': |
753 |
|
{ |
754 |
258 |
if ( LA(2) == '=' ) |
755 |
|
{ |
756 |
102 |
token = new Token( TokenTypes.LESS_THAN_OR_EQUALS_SIGN, |
757 |
|
getXPath(), |
758 |
|
currentPosition(), |
759 |
|
currentPosition() + 2 ); |
760 |
102 |
consume(); |
761 |
|
} |
762 |
|
else |
763 |
|
{ |
764 |
156 |
token = new Token( TokenTypes.LESS_THAN_SIGN, |
765 |
|
getXPath(), |
766 |
|
currentPosition(), |
767 |
|
currentPosition() + 1); |
768 |
|
} |
769 |
|
|
770 |
258 |
consume(); |
771 |
258 |
break; |
772 |
|
} |
773 |
|
case '>': |
774 |
|
{ |
775 |
372 |
if ( LA(2) == '=' ) |
776 |
|
{ |
777 |
162 |
token = new Token( TokenTypes.GREATER_THAN_OR_EQUALS_SIGN, |
778 |
|
getXPath(), |
779 |
|
currentPosition(), |
780 |
|
currentPosition() + 2 ); |
781 |
162 |
consume(); |
782 |
|
} |
783 |
|
else |
784 |
|
{ |
785 |
210 |
token = new Token( TokenTypes.GREATER_THAN_SIGN, |
786 |
|
getXPath(), |
787 |
|
currentPosition(), |
788 |
|
currentPosition() + 1 ); |
789 |
|
} |
790 |
|
|
791 |
372 |
consume(); |
792 |
|
break; |
793 |
|
} |
794 |
|
} |
795 |
|
|
796 |
630 |
return token; |
797 |
|
|
798 |
|
} |
799 |
|
|
800 |
|
private Token star() |
801 |
|
{ |
802 |
2766 |
Token token = new Token( TokenTypes.STAR, |
803 |
|
getXPath(), |
804 |
|
currentPosition(), |
805 |
|
currentPosition()+1 ); |
806 |
|
|
807 |
2766 |
consume(); |
808 |
|
|
809 |
2766 |
return token; |
810 |
|
} |
811 |
|
|
812 |
|
private Token literal() |
813 |
|
{ |
814 |
4038 |
Token token = null; |
815 |
|
|
816 |
4038 |
char match = LA(1); |
817 |
|
|
818 |
4038 |
consume(); |
819 |
|
|
820 |
4038 |
int start = currentPosition(); |
821 |
|
|
822 |
|
while ( ( token == null ) |
823 |
30120 |
&& |
824 |
|
hasMoreChars() ) |
825 |
|
{ |
826 |
26082 |
if ( LA(1) == match ) |
827 |
|
{ |
828 |
4014 |
token = new Token( TokenTypes.LITERAL, |
829 |
|
getXPath(), |
830 |
|
start, |
831 |
|
currentPosition() ); |
832 |
|
} |
833 |
26082 |
consume(); |
834 |
|
} |
835 |
|
|
836 |
4038 |
return token; |
837 |
|
} |
838 |
|
|
839 |
|
private Token dots() |
840 |
|
{ |
841 |
660 |
Token token = null; |
842 |
|
|
843 |
660 |
switch ( LA(2) ) |
844 |
|
{ |
845 |
|
case '.': |
846 |
|
{ |
847 |
204 |
token = new Token( TokenTypes.DOT_DOT, |
848 |
|
getXPath(), |
849 |
|
currentPosition(), |
850 |
|
currentPosition()+2 ) ; |
851 |
204 |
consume(); |
852 |
204 |
consume(); |
853 |
204 |
break; |
854 |
|
} |
855 |
|
default: |
856 |
|
{ |
857 |
456 |
token = new Token( TokenTypes.DOT, |
858 |
|
getXPath(), |
859 |
|
currentPosition(), |
860 |
|
currentPosition()+1 ); |
861 |
456 |
consume(); |
862 |
|
break; |
863 |
|
} |
864 |
|
} |
865 |
|
|
866 |
660 |
return token; |
867 |
|
} |
868 |
|
|
869 |
|
private Token leftBracket() |
870 |
|
{ |
871 |
2412 |
Token token = new Token( TokenTypes.LEFT_BRACKET, |
872 |
|
getXPath(), |
873 |
|
currentPosition(), |
874 |
|
currentPosition()+1 ); |
875 |
|
|
876 |
2412 |
consume(); |
877 |
|
|
878 |
2412 |
return token; |
879 |
|
} |
880 |
|
|
881 |
|
private Token rightBracket() |
882 |
|
{ |
883 |
2346 |
Token token = new Token( TokenTypes.RIGHT_BRACKET, |
884 |
|
getXPath(), |
885 |
|
currentPosition(), |
886 |
|
currentPosition()+1 ); |
887 |
|
|
888 |
2346 |
consume(); |
889 |
|
|
890 |
2346 |
return token; |
891 |
|
} |
892 |
|
|
893 |
|
private Token leftParen() |
894 |
|
{ |
895 |
6174 |
Token token = new Token( TokenTypes.LEFT_PAREN, |
896 |
|
getXPath(), |
897 |
|
currentPosition(), |
898 |
|
currentPosition()+1 ); |
899 |
|
|
900 |
6174 |
consume(); |
901 |
|
|
902 |
6174 |
return token; |
903 |
|
} |
904 |
|
|
905 |
|
private Token rightParen() |
906 |
|
{ |
907 |
6090 |
Token token = new Token( TokenTypes.RIGHT_PAREN, |
908 |
|
getXPath(), |
909 |
|
currentPosition(), |
910 |
|
currentPosition()+1 ); |
911 |
|
|
912 |
6090 |
consume(); |
913 |
|
|
914 |
6090 |
return token; |
915 |
|
} |
916 |
|
|
917 |
|
private Token slashes() |
918 |
|
{ |
919 |
12456 |
Token token = null; |
920 |
|
|
921 |
12456 |
switch ( LA(2) ) |
922 |
|
{ |
923 |
|
case '/': |
924 |
|
{ |
925 |
1098 |
token = new Token( TokenTypes.DOUBLE_SLASH, |
926 |
|
getXPath(), |
927 |
|
currentPosition(), |
928 |
|
currentPosition()+2 ); |
929 |
1098 |
consume(); |
930 |
1098 |
consume(); |
931 |
1098 |
break; |
932 |
|
} |
933 |
|
default: |
934 |
|
{ |
935 |
11358 |
token = new Token( TokenTypes.SLASH, |
936 |
|
getXPath(), |
937 |
|
currentPosition(), |
938 |
|
currentPosition()+1 ); |
939 |
11358 |
consume(); |
940 |
|
} |
941 |
|
} |
942 |
|
|
943 |
12456 |
return token; |
944 |
|
} |
945 |
|
|
946 |
|
private char LA(int i) |
947 |
|
{ |
948 |
342636 |
if ( currentPosition + ( i - 1 ) >= endPosition() ) |
949 |
|
{ |
950 |
30678 |
return (char) -1; |
951 |
|
} |
952 |
|
|
953 |
311958 |
return getXPath().charAt( currentPosition() + (i - 1) ); |
954 |
|
} |
955 |
|
|
956 |
|
private void consume() |
957 |
|
{ |
958 |
217536 |
++this.currentPosition; |
959 |
217536 |
} |
960 |
|
|
961 |
|
private int currentPosition() |
962 |
|
{ |
963 |
663870 |
return this.currentPosition; |
964 |
|
} |
965 |
|
|
966 |
|
private int endPosition() |
967 |
|
{ |
968 |
549300 |
return this.endPosition; |
969 |
|
} |
970 |
|
|
971 |
|
private void setPreviousToken(Token previousToken) |
972 |
|
{ |
973 |
87132 |
this.previousToken = previousToken; |
974 |
87132 |
} |
975 |
|
|
976 |
|
private boolean hasMoreChars() |
977 |
|
{ |
978 |
192144 |
return currentPosition() < endPosition(); |
979 |
|
} |
980 |
|
|
981 |
|
private boolean isIdentifierChar(char c) |
982 |
|
{ |
983 |
140274 |
return Verifier.isXMLNCNameCharacter( c ); |
984 |
|
} |
985 |
|
|
986 |
|
private boolean isIdentifierStartChar(char c) |
987 |
|
{ |
988 |
35370 |
return Verifier.isXMLNCNameStartCharacter( c ); |
989 |
|
} |
990 |
|
|
991 |
|
} |