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package org.webmacro.engine; |
24 | |
|
25 | |
import java.io.IOException; |
26 | |
|
27 | |
import org.webmacro.Context; |
28 | |
import org.webmacro.FastWriter; |
29 | |
import org.webmacro.Macro; |
30 | |
import org.webmacro.PropertyException; |
31 | |
import org.webmacro.TemplateVisitor; |
32 | |
import org.webmacro.Visitable; |
33 | |
|
34 | |
|
35 | |
|
36 | |
|
37 | |
|
38 | |
|
39 | 13802 | public abstract class Expression |
40 | |
{ |
41 | |
|
42 | 2 | final private static org.webmacro.engine.UndefinedMacro UNDEF |
43 | |
= org.webmacro.engine.UndefinedMacro.getInstance(); |
44 | |
|
45 | |
public abstract static class ExpressionBase implements Macro, Visitable |
46 | |
{ |
47 | |
|
48 | |
protected ExpressionBase () |
49 | 232 | { |
50 | 232 | } |
51 | |
|
52 | |
|
53 | |
final public void write (FastWriter out, Context context) |
54 | |
throws PropertyException, IOException |
55 | |
{ |
56 | 0 | out.write(evaluate(context).toString()); |
57 | 0 | } |
58 | |
} |
59 | |
|
60 | 2 | final private static Boolean TRUE = Boolean.TRUE; |
61 | 2 | final private static Boolean FALSE = Boolean.FALSE; |
62 | |
|
63 | |
public static boolean isTrue (Object o) |
64 | |
{ |
65 | 45150 | if (o == null) |
66 | 916 | return false; |
67 | 44234 | else if (o instanceof Boolean) |
68 | 31776 | return ((Boolean) o).booleanValue(); |
69 | |
|
70 | 12458 | else if (o == UNDEF) |
71 | 11038 | return false; |
72 | |
else |
73 | 1420 | return true; |
74 | |
} |
75 | |
|
76 | |
public static boolean isNumber (Object o) |
77 | |
{ |
78 | 18860 | return (o instanceof Number); |
79 | |
} |
80 | |
|
81 | |
public static Object numberObject (long result, Object op1, Object op2) |
82 | |
{ |
83 | 118 | if (op1.getClass() == Long.class || op2.getClass() == Long.class) |
84 | 0 | return new Long(result); |
85 | |
else |
86 | 118 | return new Integer((int) result); |
87 | |
} |
88 | |
|
89 | |
public static long numberValue (Object o) |
90 | |
{ |
91 | 1096 | return ((Number) o).longValue(); |
92 | |
} |
93 | |
|
94 | |
public abstract static class BinaryOperation extends ExpressionBase |
95 | |
{ |
96 | |
|
97 | |
private Object _l, _r; |
98 | |
|
99 | |
BinaryOperation (Object l, Object r) |
100 | 118 | { |
101 | 118 | _l = l; |
102 | 118 | _r = r; |
103 | 118 | } |
104 | |
|
105 | |
public abstract Object operate (Object l, Object r) throws PropertyException; |
106 | |
|
107 | |
public Object evaluate (Context context) |
108 | |
throws PropertyException |
109 | |
{ |
110 | |
Object l, r; |
111 | |
|
112 | 9430 | l = (_l instanceof Macro) ? ((Macro) _l).evaluate(context) : _l; |
113 | 9430 | r = (_r instanceof Macro) ? ((Macro) _r).evaluate(context) : _r; |
114 | |
|
115 | 9430 | return operate(l, r); |
116 | |
} |
117 | |
|
118 | |
public abstract String getName (); |
119 | |
|
120 | |
public void accept (TemplateVisitor v) |
121 | |
{ |
122 | 0 | v.visitBinaryOperation(getName(), _l, _r); |
123 | 0 | } |
124 | |
} |
125 | |
|
126 | |
public abstract static class UnaryOperation extends ExpressionBase |
127 | |
{ |
128 | |
|
129 | |
private Object _o; |
130 | |
|
131 | |
UnaryOperation (Object o) |
132 | 42 | { |
133 | 42 | _o = o; |
134 | 42 | } |
135 | |
|
136 | |
public abstract Object operate (Object o); |
137 | |
|
138 | |
public Object evaluate (Context context) |
139 | |
throws PropertyException |
140 | |
{ |
141 | 2384 | Object o = (_o instanceof Macro) ? ((Macro) _o).evaluate(context) : _o; |
142 | |
|
143 | 2384 | return operate(o); |
144 | |
} |
145 | |
|
146 | |
public abstract String getName (); |
147 | |
|
148 | |
public void accept (TemplateVisitor v) |
149 | |
{ |
150 | 0 | v.visitUnaryOperation(getName(), _o); |
151 | 0 | } |
152 | |
} |
153 | |
|
154 | |
public static class AndOperation extends ExpressionBase |
155 | |
{ |
156 | |
|
157 | |
private Object _l, _r; |
158 | |
|
159 | |
public AndOperation (Object l, Object r) |
160 | 54 | { |
161 | 54 | _l = l; |
162 | 54 | _r = r; |
163 | 54 | } |
164 | |
|
165 | |
public Object evaluate (Context context) |
166 | |
throws PropertyException |
167 | |
{ |
168 | |
Object l, r; |
169 | |
|
170 | 1846 | l = (_l instanceof Macro) ? ((Macro) _l).evaluate(context) : _l; |
171 | 1846 | if (!isTrue(l)) |
172 | 1624 | return FALSE; |
173 | |
|
174 | 222 | r = (_r instanceof Macro) ? ((Macro) _r).evaluate(context) : _r; |
175 | 222 | if (!isTrue(r)) |
176 | 150 | return FALSE; |
177 | |
|
178 | 72 | return TRUE; |
179 | |
} |
180 | |
|
181 | |
public void accept (TemplateVisitor v) |
182 | |
{ |
183 | 0 | v.visitBinaryOperation("And", _l, _r); |
184 | 0 | } |
185 | |
} |
186 | |
|
187 | |
public static class OrOperation extends ExpressionBase |
188 | |
{ |
189 | |
|
190 | |
private Object _l, _r; |
191 | |
|
192 | |
public OrOperation (Object l, Object r) |
193 | 18 | { |
194 | 18 | _l = l; |
195 | 18 | _r = r; |
196 | 18 | } |
197 | |
|
198 | |
public Object evaluate (Context context) |
199 | |
throws PropertyException |
200 | |
{ |
201 | |
Object l, r; |
202 | |
|
203 | 260 | l = (_l instanceof Macro) ? ((Macro) _l).evaluate(context) : _l; |
204 | 260 | if (isTrue(l)) |
205 | 74 | return TRUE; |
206 | |
|
207 | 186 | r = (_r instanceof Macro) ? ((Macro) _r).evaluate(context) : _r; |
208 | 186 | if (isTrue(r)) |
209 | 12 | return TRUE; |
210 | |
|
211 | 174 | return FALSE; |
212 | |
} |
213 | |
|
214 | |
public void accept (TemplateVisitor v) |
215 | |
{ |
216 | 0 | v.visitBinaryOperation("Or", _l, _r); |
217 | 0 | } |
218 | |
} |
219 | |
|
220 | |
public static class NotOperation extends UnaryOperation |
221 | |
{ |
222 | |
|
223 | |
public NotOperation (Object o) |
224 | |
{ |
225 | 42 | super(o); |
226 | 42 | } |
227 | |
|
228 | |
public String getName () |
229 | |
{ |
230 | 0 | return "Not"; |
231 | |
} |
232 | |
|
233 | |
public Object operate (Object o) |
234 | |
{ |
235 | 2384 | return (!Expression.isTrue(o)) ? TRUE : FALSE; |
236 | |
} |
237 | |
} |
238 | |
|
239 | |
|
240 | |
public static class AddOperation extends BinaryOperation |
241 | |
{ |
242 | |
|
243 | |
public AddOperation (Object l, Object r) |
244 | |
{ |
245 | 0 | super(l, r); |
246 | 0 | } |
247 | |
|
248 | |
public String getName () |
249 | |
{ |
250 | 0 | return "Add"; |
251 | |
} |
252 | |
|
253 | |
public Object operate (Object l, Object r) throws PropertyException |
254 | |
{ |
255 | 0 | if (!isNumber(l) || !isNumber(r)) |
256 | 0 | throw new PropertyException("Add requires numeric operands"); |
257 | |
else |
258 | 0 | return numberObject(numberValue(l) + numberValue(r), l, r); |
259 | |
} |
260 | |
} |
261 | |
|
262 | |
public static class SubtractOperation extends BinaryOperation |
263 | |
{ |
264 | |
|
265 | |
public SubtractOperation (Object l, Object r) |
266 | |
{ |
267 | 6 | super(l, r); |
268 | 6 | } |
269 | |
|
270 | |
public String getName () |
271 | |
{ |
272 | 0 | return "Subtract"; |
273 | |
} |
274 | |
|
275 | |
public Object operate (Object l, Object r) throws PropertyException |
276 | |
{ |
277 | 118 | if (!isNumber(l) || !isNumber(r)) |
278 | 0 | throw new PropertyException("Subtract requires numeric operands"); |
279 | |
else |
280 | 118 | return numberObject(numberValue(l) - numberValue(r), l, r); |
281 | |
} |
282 | |
} |
283 | |
|
284 | |
public static class MultiplyOperation extends BinaryOperation |
285 | |
{ |
286 | |
|
287 | |
public MultiplyOperation (Object l, Object r) |
288 | |
{ |
289 | 0 | super(l, r); |
290 | 0 | } |
291 | |
|
292 | |
public String getName () |
293 | |
{ |
294 | 0 | return "Multiply"; |
295 | |
} |
296 | |
|
297 | |
public Object operate (Object l, Object r) throws PropertyException |
298 | |
{ |
299 | 0 | if (!isNumber(l) || !isNumber(r)) |
300 | 0 | throw new PropertyException("Multiply requires numeric operands"); |
301 | |
else |
302 | 0 | return numberObject(numberValue(l) * numberValue(r), l, r); |
303 | |
} |
304 | |
} |
305 | |
|
306 | |
public static class DivideOperation extends BinaryOperation |
307 | |
{ |
308 | |
|
309 | |
public DivideOperation (Object l, Object r) |
310 | |
{ |
311 | 0 | super(l, r); |
312 | 0 | } |
313 | |
|
314 | |
public String getName () |
315 | |
{ |
316 | 0 | return "Divide"; |
317 | |
} |
318 | |
|
319 | |
public Object operate (Object l, Object r) throws PropertyException |
320 | |
{ |
321 | 0 | if (!isNumber(l) || !isNumber(r)) |
322 | 0 | throw new PropertyException("Divide requires numeric operands"); |
323 | |
else |
324 | |
{ |
325 | 0 | long denom = numberValue(r); |
326 | 0 | if (denom == 0) |
327 | 0 | throw new PropertyException("Divide by zero"); |
328 | |
else |
329 | 0 | return numberObject(numberValue(l) / denom, l, r); |
330 | |
} |
331 | |
} |
332 | |
} |
333 | |
|
334 | |
|
335 | |
public abstract static class Compare extends BinaryOperation |
336 | |
{ |
337 | |
|
338 | |
public Compare (Object l, Object r) |
339 | |
{ |
340 | 112 | super(l, r); |
341 | 112 | } |
342 | |
|
343 | |
public abstract Boolean compare (String l, String r); |
344 | |
|
345 | |
public abstract Boolean compare (long l, long r); |
346 | |
|
347 | |
public Boolean compare (Object l, Object r) |
348 | |
{ |
349 | 0 | return null; |
350 | |
} |
351 | |
|
352 | |
public Boolean compareNull (Object o) |
353 | |
{ |
354 | 0 | return null; |
355 | |
} |
356 | |
|
357 | |
public Object operate (Object l, Object r) throws PropertyException |
358 | |
{ |
359 | 9312 | Boolean b = null; |
360 | 9312 | boolean lIsNumber = isNumber(l), rIsNumber = isNumber(r); |
361 | |
|
362 | 9312 | if (lIsNumber && rIsNumber) |
363 | 430 | b = compare(numberValue(l), numberValue(r)); |
364 | |
else |
365 | |
{ |
366 | 8882 | boolean lIsString = (l instanceof String), |
367 | 8882 | rIsString = (r instanceof String); |
368 | |
|
369 | 8882 | if (lIsString && rIsString) |
370 | 4194 | b = compare((String) l, (String) r); |
371 | 4688 | else if (lIsString && rIsNumber) |
372 | 0 | b = compare((String) l, Long.toString(numberValue(r))); |
373 | 4688 | else if (lIsNumber && rIsString) |
374 | 0 | b = compare(Long.toString(numberValue(l)), (String) r); |
375 | 4688 | else if (l == null) |
376 | 1298 | b = compareNull(r); |
377 | 3390 | else if (r == null) |
378 | 3386 | b = compareNull(l); |
379 | |
else |
380 | 4 | b = compare(l, r); |
381 | |
} |
382 | |
|
383 | 9312 | if (b == null) |
384 | 0 | throw new PropertyException("Objects not comparable"); |
385 | |
else |
386 | 9312 | return b; |
387 | |
} |
388 | |
} |
389 | |
|
390 | |
public static class CompareEq extends Compare |
391 | |
{ |
392 | |
|
393 | |
public CompareEq (Object l, Object r) |
394 | |
{ |
395 | 44 | super(l, r); |
396 | 44 | } |
397 | |
|
398 | |
public String getName () |
399 | |
{ |
400 | 0 | return "CompareEq"; |
401 | |
} |
402 | |
|
403 | |
public Boolean compare (Object l, Object r) |
404 | |
{ |
405 | 4 | return (l.equals(r)) ? TRUE : FALSE; |
406 | |
} |
407 | |
|
408 | |
public Boolean compare (String l, String r) |
409 | |
{ |
410 | 3594 | return (l.equals(r)) ? TRUE : FALSE; |
411 | |
} |
412 | |
|
413 | |
public Boolean compare (long l, long r) |
414 | |
{ |
415 | 112 | return (l == r) ? TRUE : FALSE; |
416 | |
} |
417 | |
|
418 | |
public Boolean compareNull (Object o) |
419 | |
{ |
420 | 3658 | return (o == null) ? TRUE : FALSE; |
421 | |
} |
422 | |
} |
423 | |
|
424 | |
public static class CompareNe extends Compare |
425 | |
{ |
426 | |
|
427 | |
public CompareNe (Object l, Object r) |
428 | |
{ |
429 | 58 | super(l, r); |
430 | 58 | } |
431 | |
|
432 | |
public String getName () |
433 | |
{ |
434 | 0 | return "CompareNe"; |
435 | |
} |
436 | |
|
437 | |
public Boolean compare (Object l, Object r) |
438 | |
{ |
439 | 0 | return (!l.equals(r)) ? TRUE : FALSE; |
440 | |
} |
441 | |
|
442 | |
public Boolean compare (String l, String r) |
443 | |
{ |
444 | 600 | return (!l.equals(r)) ? TRUE : FALSE; |
445 | |
} |
446 | |
|
447 | |
public Boolean compare (long l, long r) |
448 | |
{ |
449 | 242 | return (l != r) ? TRUE : FALSE; |
450 | |
} |
451 | |
|
452 | |
public Boolean compareNull (Object o) |
453 | |
{ |
454 | 1026 | return (o != null) ? TRUE : FALSE; |
455 | |
} |
456 | |
} |
457 | |
|
458 | |
public static class CompareLe extends Compare |
459 | |
{ |
460 | |
|
461 | |
public CompareLe (Object l, Object r) |
462 | |
{ |
463 | 0 | super(l, r); |
464 | 0 | } |
465 | |
|
466 | |
public String getName () |
467 | |
{ |
468 | 0 | return "CompareLe"; |
469 | |
} |
470 | |
|
471 | |
public Boolean compare (String l, String r) |
472 | |
{ |
473 | 0 | return (l.compareTo(r) <= 0) ? TRUE : FALSE; |
474 | |
} |
475 | |
|
476 | |
public Boolean compare (long l, long r) |
477 | |
{ |
478 | 0 | return (l <= r) ? TRUE : FALSE; |
479 | |
} |
480 | |
} |
481 | |
|
482 | |
public static class CompareLt extends Compare |
483 | |
{ |
484 | |
|
485 | |
public CompareLt (Object l, Object r) |
486 | |
{ |
487 | 2 | super(l, r); |
488 | 2 | } |
489 | |
|
490 | |
public String getName () |
491 | |
{ |
492 | 0 | return "CompareLt"; |
493 | |
} |
494 | |
|
495 | |
public Boolean compare (String l, String r) |
496 | |
{ |
497 | 0 | return (l.compareTo(r) < 0) ? TRUE : FALSE; |
498 | |
} |
499 | |
|
500 | |
public Boolean compare (long l, long r) |
501 | |
{ |
502 | 6 | return (l < r) ? TRUE : FALSE; |
503 | |
} |
504 | |
} |
505 | |
|
506 | |
public static class CompareGe extends Compare |
507 | |
{ |
508 | |
|
509 | |
public CompareGe (Object l, Object r) |
510 | |
{ |
511 | 0 | super(l, r); |
512 | 0 | } |
513 | |
|
514 | |
public String getName () |
515 | |
{ |
516 | 0 | return "CompareGe"; |
517 | |
} |
518 | |
|
519 | |
public Boolean compare (String l, String r) |
520 | |
{ |
521 | 0 | return (l.compareTo(r) >= 0) ? TRUE : FALSE; |
522 | |
} |
523 | |
|
524 | |
public Boolean compare (long l, long r) |
525 | |
{ |
526 | 0 | return (l >= r) ? TRUE : FALSE; |
527 | |
} |
528 | |
} |
529 | |
|
530 | |
public static class CompareGt extends Compare |
531 | |
{ |
532 | |
|
533 | |
public CompareGt (Object l, Object r) |
534 | |
{ |
535 | 8 | super(l, r); |
536 | 8 | } |
537 | |
|
538 | |
public String getName () |
539 | |
{ |
540 | 0 | return "CompareGt"; |
541 | |
} |
542 | |
|
543 | |
public Boolean compare (String l, String r) |
544 | |
{ |
545 | 0 | return (l.compareTo(r) > 0) ? TRUE : FALSE; |
546 | |
} |
547 | |
|
548 | |
public Boolean compare (long l, long r) |
549 | |
{ |
550 | 70 | return (l > r) ? TRUE : FALSE; |
551 | |
} |
552 | |
} |
553 | |
|
554 | |
|
555 | |
public abstract static class BinaryOperationBuilder implements Builder |
556 | |
{ |
557 | |
|
558 | |
private Object _l, _r; |
559 | |
|
560 | |
public BinaryOperationBuilder (Object l, Object r) |
561 | 190 | { |
562 | 190 | _l = l; |
563 | 190 | _r = r; |
564 | 190 | } |
565 | |
|
566 | |
public abstract Object build (Object l, Object r) throws BuildException; |
567 | |
|
568 | |
public Object build (BuildContext pc) |
569 | |
throws BuildException |
570 | |
{ |
571 | |
Object l, r; |
572 | 190 | l = (_l instanceof Builder) ? ((Builder) _l).build(pc) : _l; |
573 | 190 | r = (_r instanceof Builder) ? ((Builder) _r).build(pc) : _r; |
574 | |
|
575 | 190 | return build(l, r); |
576 | |
} |
577 | |
} |
578 | |
|
579 | |
public abstract static class UnaryOperationBuilder implements Builder |
580 | |
{ |
581 | |
|
582 | |
private Object _o; |
583 | |
|
584 | |
public UnaryOperationBuilder (Object o) |
585 | 42 | { |
586 | 42 | _o = o; |
587 | 42 | } |
588 | |
|
589 | |
public abstract Object build (Object o) throws BuildException; |
590 | |
|
591 | |
public Object build (BuildContext pc) |
592 | |
throws BuildException |
593 | |
{ |
594 | |
Object o; |
595 | 42 | o = (_o instanceof Builder) ? ((Builder) _o).build(pc) : _o; |
596 | |
|
597 | 42 | return build(o); |
598 | |
} |
599 | |
} |
600 | |
|
601 | |
|
602 | |
public static class AndBuilder extends BinaryOperationBuilder |
603 | |
{ |
604 | |
|
605 | |
public AndBuilder (Object l, Object r) |
606 | |
{ |
607 | 54 | super(l, r); |
608 | 54 | } |
609 | |
|
610 | |
public Object build (Object l, Object r) |
611 | |
{ |
612 | 54 | if (l instanceof Macro) |
613 | |
{ |
614 | 54 | if (r instanceof Macro) |
615 | 54 | return new AndOperation(l, r); |
616 | |
else |
617 | 0 | return isTrue(r) ? l : FALSE; |
618 | |
} |
619 | |
else |
620 | |
{ |
621 | 0 | if (r instanceof Macro) |
622 | 0 | return isTrue(l) ? r : FALSE; |
623 | |
else |
624 | 0 | return (isTrue(l) && isTrue(r)) ? TRUE : FALSE; |
625 | |
} |
626 | |
} |
627 | |
} |
628 | |
|
629 | |
public static class OrBuilder extends BinaryOperationBuilder |
630 | |
{ |
631 | |
|
632 | |
public OrBuilder (Object l, Object r) |
633 | |
{ |
634 | 18 | super(l, r); |
635 | 18 | } |
636 | |
|
637 | |
public Object build (Object l, Object r) |
638 | |
{ |
639 | 18 | if (l instanceof Macro) |
640 | |
{ |
641 | 18 | if (r instanceof Macro) |
642 | 18 | return new OrOperation(l, r); |
643 | |
else |
644 | 0 | return isTrue(r) ? TRUE : l; |
645 | |
} |
646 | |
else |
647 | |
{ |
648 | 0 | if (r instanceof Macro) |
649 | 0 | return isTrue(l) ? TRUE : r; |
650 | |
else |
651 | 0 | return (isTrue(l) || isTrue(r)) ? TRUE : FALSE; |
652 | |
} |
653 | |
} |
654 | |
} |
655 | |
|
656 | |
public static class NotBuilder extends UnaryOperationBuilder |
657 | |
{ |
658 | |
|
659 | |
public NotBuilder (Object o) |
660 | |
{ |
661 | 42 | super(o); |
662 | 42 | } |
663 | |
|
664 | |
public Object build (Object o) |
665 | |
{ |
666 | 42 | if (o instanceof Macro) |
667 | 42 | return new NotOperation(o); |
668 | |
else |
669 | 0 | return !isTrue(o) ? TRUE : FALSE; |
670 | |
} |
671 | |
} |
672 | |
|
673 | |
|
674 | |
public static class AddBuilder extends BinaryOperationBuilder |
675 | |
{ |
676 | |
|
677 | |
public AddBuilder (Object l, Object r) |
678 | |
{ |
679 | 0 | super(l, r); |
680 | 0 | } |
681 | |
|
682 | |
public Object build (Object l, Object r) throws BuildException |
683 | |
{ |
684 | 0 | if (!(l instanceof Macro) && !(r instanceof Macro)) |
685 | |
{ |
686 | 0 | if (isNumber(l) && isNumber(r)) |
687 | 0 | return numberObject(numberValue(l) + numberValue(r), l, r); |
688 | |
else |
689 | 0 | throw new BuildException("Add requires numeric operands"); |
690 | |
} |
691 | |
else |
692 | 0 | return new AddOperation(l, r); |
693 | |
} |
694 | |
} |
695 | |
|
696 | |
public static class SubtractBuilder extends BinaryOperationBuilder |
697 | |
{ |
698 | |
|
699 | |
public SubtractBuilder (Object l, Object r) |
700 | |
{ |
701 | 6 | super(l, r); |
702 | 6 | } |
703 | |
|
704 | |
public Object build (Object l, Object r) throws BuildException |
705 | |
{ |
706 | 6 | if (!(l instanceof Macro) && !(r instanceof Macro)) |
707 | |
{ |
708 | 0 | if (isNumber(l) && isNumber(r)) |
709 | 0 | return numberObject(numberValue(l) - numberValue(r), l, r); |
710 | |
else |
711 | 0 | throw new BuildException("Subtract requires numeric operands"); |
712 | |
} |
713 | |
else |
714 | 6 | return new SubtractOperation(l, r); |
715 | |
} |
716 | |
} |
717 | |
|
718 | |
public static class MultiplyBuilder extends BinaryOperationBuilder |
719 | |
{ |
720 | |
|
721 | |
public MultiplyBuilder (Object l, Object r) |
722 | |
{ |
723 | 0 | super(l, r); |
724 | 0 | } |
725 | |
|
726 | |
public Object build (Object l, Object r) throws BuildException |
727 | |
{ |
728 | 0 | if (!(l instanceof Macro) && !(r instanceof Macro)) |
729 | |
{ |
730 | 0 | if (isNumber(l) && isNumber(r)) |
731 | 0 | return numberObject(numberValue(l) * numberValue(r), l, r); |
732 | |
else |
733 | 0 | throw new BuildException("Multiply requires numeric operands"); |
734 | |
} |
735 | |
else |
736 | 0 | return new MultiplyOperation(l, r); |
737 | |
} |
738 | |
} |
739 | |
|
740 | |
public static class DivideBuilder extends BinaryOperationBuilder |
741 | |
{ |
742 | |
|
743 | |
public DivideBuilder (Object l, Object r) |
744 | |
{ |
745 | 0 | super(l, r); |
746 | 0 | } |
747 | |
|
748 | |
public Object build (Object l, Object r) throws BuildException |
749 | |
{ |
750 | 0 | if (!(l instanceof Macro) && !(r instanceof Macro)) |
751 | |
{ |
752 | 0 | if (isNumber(l) && isNumber(r)) |
753 | |
{ |
754 | 0 | long denom = numberValue(r); |
755 | 0 | if (denom == 0) |
756 | 0 | throw new BuildException("Divide by zero"); |
757 | |
else |
758 | 0 | return numberObject(numberValue(l) / denom, l, r); |
759 | |
} |
760 | |
else |
761 | 0 | throw new BuildException("Divide requires numeric operands"); |
762 | |
} |
763 | |
else |
764 | 0 | return new DivideOperation(l, r); |
765 | |
} |
766 | |
} |
767 | |
|
768 | |
public static class CompareEqBuilder extends BinaryOperationBuilder |
769 | |
{ |
770 | |
|
771 | |
public CompareEqBuilder (Object l, Object r) |
772 | |
{ |
773 | 44 | super(l, r); |
774 | 44 | } |
775 | |
|
776 | |
public Object build (Object l, Object r) throws BuildException |
777 | |
{ |
778 | 44 | CompareEq c = new CompareEq(l, r); |
779 | |
|
780 | 44 | if ((l instanceof Macro) || (r instanceof Macro)) |
781 | 44 | return c; |
782 | |
else |
783 | |
try |
784 | |
{ |
785 | 0 | return c.operate(l, r); |
786 | |
} |
787 | 0 | catch (PropertyException e) |
788 | |
{ |
789 | 0 | throw new BuildException(e.toString()); |
790 | |
} |
791 | |
} |
792 | |
} |
793 | |
|
794 | |
public static class CompareNeBuilder extends BinaryOperationBuilder |
795 | |
{ |
796 | |
|
797 | |
public CompareNeBuilder (Object l, Object r) |
798 | |
{ |
799 | 58 | super(l, r); |
800 | 58 | } |
801 | |
|
802 | |
public Object build (Object l, Object r) throws BuildException |
803 | |
{ |
804 | 58 | CompareNe c = new CompareNe(l, r); |
805 | |
|
806 | 58 | if ((l instanceof Macro) || (r instanceof Macro)) |
807 | 58 | return c; |
808 | |
else |
809 | |
try |
810 | |
{ |
811 | 0 | return c.operate(l, r); |
812 | |
} |
813 | 0 | catch (PropertyException e) |
814 | |
{ |
815 | 0 | throw new BuildException(e.toString()); |
816 | |
} |
817 | |
} |
818 | |
} |
819 | |
|
820 | |
public static class CompareLeBuilder extends BinaryOperationBuilder |
821 | |
{ |
822 | |
|
823 | |
public CompareLeBuilder (Object l, Object r) |
824 | |
{ |
825 | 0 | super(l, r); |
826 | 0 | } |
827 | |
|
828 | |
public Object build (Object l, Object r) throws BuildException |
829 | |
{ |
830 | 0 | CompareLe c = new CompareLe(l, r); |
831 | |
|
832 | 0 | if ((l instanceof Macro) || (r instanceof Macro)) |
833 | 0 | return c; |
834 | |
else |
835 | |
try |
836 | |
{ |
837 | 0 | return c.operate(l, r); |
838 | |
} |
839 | 0 | catch (PropertyException e) |
840 | |
{ |
841 | 0 | throw new BuildException(e.toString()); |
842 | |
} |
843 | |
} |
844 | |
} |
845 | |
|
846 | |
public static class CompareLtBuilder extends BinaryOperationBuilder |
847 | |
{ |
848 | |
|
849 | |
public CompareLtBuilder (Object l, Object r) |
850 | |
{ |
851 | 2 | super(l, r); |
852 | 2 | } |
853 | |
|
854 | |
public Object build (Object l, Object r) throws BuildException |
855 | |
{ |
856 | 2 | CompareLt c = new CompareLt(l, r); |
857 | |
|
858 | 2 | if ((l instanceof Macro) || (r instanceof Macro)) |
859 | 2 | return c; |
860 | |
else |
861 | |
try |
862 | |
{ |
863 | 0 | return c.operate(l, r); |
864 | |
} |
865 | 0 | catch (PropertyException e) |
866 | |
{ |
867 | 0 | throw new BuildException(e.toString()); |
868 | |
} |
869 | |
} |
870 | |
} |
871 | |
|
872 | |
public static class CompareGeBuilder extends BinaryOperationBuilder |
873 | |
{ |
874 | |
|
875 | |
public CompareGeBuilder (Object l, Object r) |
876 | |
{ |
877 | 0 | super(l, r); |
878 | 0 | } |
879 | |
|
880 | |
public Object build (Object l, Object r) throws BuildException |
881 | |
{ |
882 | 0 | CompareGe c = new CompareGe(l, r); |
883 | |
|
884 | 0 | if ((l instanceof Macro) || (r instanceof Macro)) |
885 | 0 | return c; |
886 | |
else |
887 | |
try |
888 | |
{ |
889 | 0 | return c.operate(l, r); |
890 | |
} |
891 | 0 | catch (PropertyException e) |
892 | |
{ |
893 | 0 | throw new BuildException(e.toString()); |
894 | |
} |
895 | |
} |
896 | |
} |
897 | |
|
898 | 0 | public static class CompareGtBuilder extends BinaryOperationBuilder |
899 | |
{ |
900 | |
|
901 | |
public CompareGtBuilder (Object l, Object r) |
902 | |
{ |
903 | 8 | super(l, r); |
904 | 8 | } |
905 | |
|
906 | |
public Object build (Object l, Object r) throws BuildException |
907 | |
{ |
908 | 8 | CompareGt c = new CompareGt(l, r); |
909 | |
|
910 | 8 | if ((l instanceof Macro) || (r instanceof Macro)) |
911 | 8 | return c; |
912 | |
else |
913 | |
try |
914 | |
{ |
915 | 0 | return c.operate(l, r); |
916 | |
} |
917 | 0 | catch (PropertyException e) |
918 | |
{ |
919 | 0 | throw new BuildException(e.toString()); |
920 | |
} |
921 | |
} |
922 | |
} |
923 | |
} |