1
|
|
|
<?php |
2
|
|
|
|
3
|
|
|
declare(strict_types=1); |
4
|
|
|
|
5
|
|
|
namespace Remorhaz\JSON\Path\Query; |
6
|
|
|
|
7
|
|
|
use PhpParser\BuilderFactory; |
8
|
|
|
use PhpParser\Node as PhpAstNode; |
9
|
|
|
use PhpParser\Node\Arg; |
10
|
|
|
use PhpParser\Node\Expr; |
11
|
|
|
use PhpParser\Node\Expr\Assign; |
12
|
|
|
use PhpParser\Node\Stmt\Expression; |
13
|
|
|
use PhpParser\Node\Stmt\Return_; |
14
|
|
|
use PhpParser\PrettyPrinter\Standard; |
15
|
|
|
use Remorhaz\JSON\Path\Runtime\EvaluatorInterface; |
16
|
|
|
use Remorhaz\JSON\Path\Runtime\LiteralFactoryInterface; |
17
|
|
|
use Remorhaz\JSON\Path\Runtime\Matcher\MatcherFactoryInterface; |
18
|
|
|
use Remorhaz\JSON\Path\Runtime\ValueListFetcherInterface; |
19
|
|
|
use Remorhaz\JSON\Path\Value\NodeValueListInterface; |
20
|
|
|
use Remorhaz\JSON\Path\Value\ValueListInterface; |
21
|
|
|
use Remorhaz\UniLex\AST\AbstractTranslatorListener; |
22
|
|
|
use Remorhaz\UniLex\AST\Node as QueryAstNode; |
23
|
|
|
use Remorhaz\UniLex\Exception as UniLexException; |
24
|
|
|
use Remorhaz\UniLex\Stack\PushInterface; |
25
|
|
|
|
26
|
|
|
use function array_map; |
27
|
|
|
use function array_reverse; |
28
|
|
|
use function is_callable; |
29
|
|
|
|
30
|
|
|
final class CallbackBuilder extends AbstractTranslatorListener implements CallbackBuilderInterface |
31
|
|
|
{ |
32
|
|
|
|
33
|
|
|
private const ARG_INPUT = 'input'; |
34
|
|
|
|
35
|
|
|
private const ARG_VALUE_LIST_FETCHER = 'valueListFetcher'; |
36
|
|
|
|
37
|
|
|
private const ARG_EVALUATOR = 'evaluator'; |
38
|
|
|
|
39
|
|
|
private const ARG_LITERAL_FACTORY = 'literalFactory'; |
40
|
|
|
|
41
|
|
|
private const ARG_MATCHER_FACTORY = 'matcherFactory'; |
42
|
|
|
|
43
|
|
|
private $php; |
44
|
|
|
|
45
|
|
|
private $references = []; |
46
|
|
|
|
47
|
|
|
private $input; |
48
|
|
|
|
49
|
|
|
private $valueListFetcher; |
50
|
|
|
|
51
|
|
|
private $evaluator; |
52
|
|
|
|
53
|
|
|
private $literalFactory; |
54
|
|
|
|
55
|
|
|
private $matcherFactory; |
56
|
|
|
|
57
|
|
|
private $stmts = []; |
58
|
|
|
|
59
|
|
|
private $callback; |
60
|
|
|
|
61
|
|
|
private $callbackCode; |
62
|
|
|
|
63
|
|
|
private $capabilities; |
64
|
|
|
|
65
|
6 |
|
public function __construct() |
66
|
|
|
{ |
67
|
6 |
|
$this->php = new BuilderFactory(); |
68
|
6 |
|
} |
69
|
|
|
|
70
|
|
|
public function getCallback(): callable |
71
|
|
|
{ |
72
|
|
|
if (!isset($this->callback)) { |
73
|
|
|
$callback = eval($this->getCallbackCode()); |
|
|
|
|
74
|
|
|
if (!is_callable($callback)) { |
75
|
|
|
throw new Exception\InvalidCallbackCodeException($this->getCallbackCode()); |
76
|
|
|
} |
77
|
|
|
$this->callback = $callback; |
78
|
|
|
} |
79
|
|
|
|
80
|
|
|
return $this->callback; |
81
|
|
|
} |
82
|
|
|
|
83
|
1 |
|
public function getCallbackCode(): string |
84
|
|
|
{ |
85
|
1 |
|
if (isset($this->callbackCode)) { |
86
|
|
|
return $this->callbackCode; |
87
|
|
|
} |
88
|
|
|
|
89
|
1 |
|
throw new Exception\QueryCallbackCodeNotFoundException(); |
90
|
|
|
} |
91
|
|
|
|
92
|
3 |
|
public function getCapabilities(): CapabilitiesInterface |
93
|
|
|
{ |
94
|
3 |
|
if (isset($this->capabilities)) { |
95
|
2 |
|
return $this->capabilities; |
96
|
|
|
} |
97
|
|
|
|
98
|
1 |
|
throw new Exception\CapabilitiesNotFoundException(); |
99
|
|
|
} |
100
|
|
|
|
101
|
3 |
|
public function onStart(QueryAstNode $node): void |
102
|
|
|
{ |
103
|
3 |
|
$this->input = $this->php->var(self::ARG_INPUT); |
104
|
3 |
|
$this->valueListFetcher = $this->php->var(self::ARG_VALUE_LIST_FETCHER); |
105
|
3 |
|
$this->evaluator = $this->php->var(self::ARG_EVALUATOR); |
106
|
3 |
|
$this->literalFactory = $this->php->var(self::ARG_LITERAL_FACTORY); |
107
|
3 |
|
$this->matcherFactory = $this->php->var(self::ARG_MATCHER_FACTORY); |
108
|
|
|
|
109
|
3 |
|
$this->stmts = []; |
110
|
3 |
|
$this->references = []; |
111
|
3 |
|
unset($this->callback, $this->callbackCode, $this->capabilities); |
112
|
3 |
|
} |
113
|
|
|
|
114
|
|
|
public function onFinish(): void |
115
|
|
|
{ |
116
|
|
|
$inputParam = $this |
117
|
|
|
->php |
118
|
|
|
->param(self::ARG_INPUT) |
119
|
|
|
->setType(NodeValueListInterface::class) |
120
|
|
|
->getNode(); |
121
|
|
|
$valueListFetcherParam = $this |
122
|
|
|
->php |
123
|
|
|
->param(self::ARG_VALUE_LIST_FETCHER) |
124
|
|
|
->setType(ValueListFetcherInterface::class) |
125
|
|
|
->getNode(); |
126
|
|
|
$evaluatorParam = $this |
127
|
|
|
->php |
128
|
|
|
->param(self::ARG_EVALUATOR) |
129
|
|
|
->setType(EvaluatorInterface::class) |
130
|
|
|
->getNode(); |
131
|
|
|
$literalFactoryParam = $this |
132
|
|
|
->php |
133
|
|
|
->param(self::ARG_LITERAL_FACTORY) |
134
|
|
|
->setType(LiteralFactoryInterface::class) |
135
|
|
|
->getNode(); |
136
|
|
|
$matcherFactoryParam = $this |
137
|
|
|
->php |
138
|
|
|
->param(self::ARG_MATCHER_FACTORY) |
139
|
|
|
->setType(MatcherFactoryInterface::class) |
140
|
|
|
->getNode(); |
141
|
|
|
$stmts = array_map( |
142
|
|
|
function (PhpAstNode $stmt): PhpAstNode { |
143
|
|
|
return $stmt instanceof Expr ? new Expression($stmt) : $stmt; |
144
|
|
|
}, |
145
|
|
|
$this->stmts |
146
|
|
|
); |
147
|
|
|
|
148
|
|
|
$closure = new Expr\Closure( |
149
|
|
|
[ |
150
|
|
|
'stmts' => $stmts, |
151
|
|
|
'returnType' => ValueListInterface::class, |
152
|
|
|
'params' => [ |
153
|
|
|
$inputParam, |
154
|
|
|
$valueListFetcherParam, |
155
|
|
|
$evaluatorParam, |
156
|
|
|
$literalFactoryParam, |
157
|
|
|
$matcherFactoryParam |
158
|
|
|
], |
159
|
|
|
] |
160
|
|
|
); |
161
|
|
|
$return = new Return_($closure); |
162
|
|
|
|
163
|
|
|
$this->callbackCode = (new Standard())->prettyPrint([$return]); |
164
|
|
|
} |
165
|
|
|
|
166
|
1 |
|
public function onBeginProduction(QueryAstNode $node, PushInterface $stack): void |
167
|
|
|
{ |
168
|
1 |
|
$stack->push(...array_reverse($node->getChildList())); |
169
|
1 |
|
} |
170
|
|
|
|
171
|
|
|
/** |
172
|
|
|
* @param QueryAstNode $node |
173
|
|
|
* @throws UniLexException |
174
|
|
|
*/ |
175
|
3 |
|
public function onFinishProduction(QueryAstNode $node): void |
176
|
|
|
{ |
177
|
3 |
|
if ($this->hasReference($node)) { |
178
|
|
|
return; |
179
|
|
|
} |
180
|
3 |
|
switch ($node->getName()) { |
181
|
3 |
|
case AstNodeType::GET_INPUT: |
182
|
2 |
|
$this->setReference($node, $this->input); |
183
|
2 |
|
break; |
184
|
|
|
|
185
|
3 |
|
case AstNodeType::SET_OUTPUT: |
186
|
3 |
|
$this->capabilities = new Capabilities( |
187
|
3 |
|
$node->getAttribute('is_definite'), |
188
|
3 |
|
$node->getAttribute('is_addressable'), |
189
|
|
|
); |
190
|
3 |
|
$this->stmts[] = new Return_($this->getReference($node->getChild(0))); |
191
|
2 |
|
break; |
192
|
|
|
|
193
|
|
|
case AstNodeType::FETCH_CHILDREN: |
194
|
|
|
/** @see ValueListFetcherInterface::fetchChildren() */ |
195
|
|
|
$this->addMethodCall( |
196
|
|
|
$node, |
197
|
|
|
$this->valueListFetcher, |
198
|
|
|
'fetchChildren', |
199
|
|
|
$this->getReference($node->getChild(0)), |
200
|
|
|
$this->getReference($node->getChild(1)), |
201
|
|
|
); |
202
|
|
|
break; |
203
|
|
|
|
204
|
|
|
case AstNodeType::FETCH_CHILDREN_DEEP: |
205
|
|
|
/** @see ValueListFetcherInterface::fetchChildrenDeep() */ |
206
|
|
|
$this->addMethodCall( |
207
|
|
|
$node, |
208
|
|
|
$this->valueListFetcher, |
209
|
|
|
'fetchChildrenDeep', |
210
|
|
|
$this->getReference($node->getChild(0)), |
211
|
|
|
$this->getReference($node->getChild(1)), |
212
|
|
|
); |
213
|
|
|
break; |
214
|
|
|
|
215
|
|
|
case AstNodeType::MERGE: |
216
|
|
|
/** @see ValueListFetcherInterface::merge() */ |
217
|
|
|
$this->addMethodCall( |
218
|
|
|
$node, |
219
|
|
|
$this->valueListFetcher, |
220
|
|
|
'merge', |
221
|
|
|
...$this->getReferences(...$node->getChildList()), |
222
|
|
|
); |
223
|
|
|
break; |
224
|
|
|
|
225
|
|
|
case AstNodeType::FETCH_FILTER_CONTEXT: |
226
|
|
|
/** @see ValueListFetcherInterface::fetchFilterContext() */ |
227
|
|
|
$this->addMethodCall( |
228
|
|
|
$node, |
229
|
|
|
$this->valueListFetcher, |
230
|
|
|
'fetchFilterContext', |
231
|
|
|
$this->getReference($node->getChild(0)), |
232
|
|
|
); |
233
|
|
|
break; |
234
|
|
|
|
235
|
|
|
case AstNodeType::SPLIT_FILTER_CONTEXT: |
236
|
|
|
/** @see ValueListFetcherInterface::splitFilterContext() */ |
237
|
|
|
$this->addMethodCall( |
238
|
|
|
$node, |
239
|
|
|
$this->valueListFetcher, |
240
|
|
|
'splitFilterContext', |
241
|
|
|
$this->getReference($node->getChild(0)), |
242
|
|
|
); |
243
|
|
|
break; |
244
|
|
|
|
245
|
|
|
case AstNodeType::JOIN_FILTER_RESULTS: |
246
|
|
|
/** @see ValueListFetcherInterface::joinFilterResults() */ |
247
|
|
|
$this->addMethodCall( |
248
|
|
|
$node, |
249
|
|
|
$this->valueListFetcher, |
250
|
|
|
'joinFilterResults', |
251
|
|
|
$this->getReference($node->getChild(0)), |
252
|
|
|
$this->getReference($node->getChild(1)), |
253
|
|
|
); |
254
|
|
|
break; |
255
|
|
|
|
256
|
|
|
case AstNodeType::FILTER: |
257
|
|
|
/** @see ValueListFetcherInterface::fetchFilteredValues() */ |
258
|
|
|
$this->addMethodCall( |
259
|
|
|
$node, |
260
|
|
|
$this->valueListFetcher, |
261
|
|
|
'fetchFilteredValues', |
262
|
|
|
$this->getReference($node->getChild(0)), |
263
|
|
|
$this->getReference($node->getChild(1)), |
264
|
|
|
); |
265
|
|
|
break; |
266
|
|
|
|
267
|
|
|
case AstNodeType::EVALUATE: |
268
|
|
|
/** @see EvaluatorInterface::evaluate() */ |
269
|
|
|
$this->addMethodCall( |
270
|
|
|
$node, |
271
|
|
|
$this->evaluator, |
272
|
|
|
'evaluate', |
273
|
|
|
$this->getReference($node->getChild(0)), |
274
|
|
|
$this->getReference($node->getChild(1)), |
275
|
|
|
); |
276
|
|
|
break; |
277
|
|
|
|
278
|
|
|
case AstNodeType::EVALUATE_LOGICAL_OR: |
279
|
|
|
/** @see EvaluatorInterface::logicalOr() */ |
280
|
|
|
$this->addMethodCall( |
281
|
|
|
$node, |
282
|
|
|
$this->evaluator, |
283
|
|
|
'logicalOr', |
284
|
|
|
$this->getReference($node->getChild(0)), |
285
|
|
|
$this->getReference($node->getChild(1)), |
286
|
|
|
); |
287
|
|
|
break; |
288
|
|
|
|
289
|
|
|
case AstNodeType::EVALUATE_LOGICAL_AND: |
290
|
|
|
/** @see EvaluatorInterface::logicalAnd() */ |
291
|
|
|
$this->addMethodCall( |
292
|
|
|
$node, |
293
|
|
|
$this->evaluator, |
294
|
|
|
'logicalAnd', |
295
|
|
|
$this->getReference($node->getChild(0)), |
296
|
|
|
$this->getReference($node->getChild(1)), |
297
|
|
|
); |
298
|
|
|
break; |
299
|
|
|
|
300
|
|
|
case AstNodeType::EVALUATE_LOGICAL_NOT: |
301
|
|
|
/** @see EvaluatorInterface::logicalNot() */ |
302
|
|
|
$this->addMethodCall( |
303
|
|
|
$node, |
304
|
|
|
$this->evaluator, |
305
|
|
|
'logicalNot', |
306
|
|
|
$this->getReference($node->getChild(0)), |
307
|
|
|
); |
308
|
|
|
break; |
309
|
|
|
|
310
|
|
|
case AstNodeType::CALCULATE_IS_EQUAL: |
311
|
|
|
/** @see EvaluatorInterface::isEqual() */ |
312
|
|
|
$this->addMethodCall( |
313
|
|
|
$node, |
314
|
|
|
$this->evaluator, |
315
|
|
|
'isEqual', |
316
|
|
|
$this->getReference($node->getChild(0)), |
317
|
|
|
$this->getReference($node->getChild(1)), |
318
|
|
|
); |
319
|
|
|
break; |
320
|
|
|
|
321
|
|
|
case AstNodeType::CALCULATE_IS_GREATER: |
322
|
|
|
/** @see EvaluatorInterface::isGreater() */ |
323
|
|
|
$this->addMethodCall( |
324
|
|
|
$node, |
325
|
|
|
$this->evaluator, |
326
|
|
|
'isGreater', |
327
|
|
|
$this->getReference($node->getChild(0)), |
328
|
|
|
$this->getReference($node->getChild(1)), |
329
|
|
|
); |
330
|
|
|
break; |
331
|
|
|
|
332
|
|
|
case AstNodeType::CALCULATE_IS_REGEXP: |
333
|
|
|
/** @see EvaluatorInterface::isRegExp() */ |
334
|
|
|
$this->addMethodCall( |
335
|
|
|
$node, |
336
|
|
|
$this->evaluator, |
337
|
|
|
'isRegExp', |
338
|
|
|
$this->php->val($node->getAttribute('pattern')), |
339
|
|
|
$this->getReference($node->getChild(0)), |
340
|
|
|
); |
341
|
|
|
break; |
342
|
|
|
|
343
|
|
|
case AstNodeType::MATCH_ANY_CHILD: |
344
|
|
|
/** @see MatcherFactoryInterface::matchAnyChild() */ |
345
|
|
|
$this->addMethodCall( |
346
|
|
|
$node, |
347
|
|
|
$this->matcherFactory, |
348
|
|
|
'matchAnyChild', |
349
|
|
|
); |
350
|
|
|
break; |
351
|
|
|
|
352
|
|
|
case AstNodeType::MATCH_PROPERTY_STRICTLY: |
353
|
|
|
/** @see MatcherFactoryInterface::matchPropertyStrictly() */ |
354
|
|
|
$this->addMethodCall( |
355
|
|
|
$node, |
356
|
|
|
$this->matcherFactory, |
357
|
|
|
'matchPropertyStrictly', |
358
|
|
|
...array_map( |
359
|
|
|
[$this->php, 'val'], |
360
|
|
|
$node->getAttribute('names') |
361
|
|
|
), |
362
|
|
|
); |
363
|
|
|
break; |
364
|
|
|
|
365
|
|
|
case AstNodeType::MATCH_ELEMENT_STRICTLY: |
366
|
|
|
/** @see MatcherFactoryInterface::matchElementStrictly() */ |
367
|
|
|
$this->addMethodCall( |
368
|
|
|
$node, |
369
|
|
|
$this->matcherFactory, |
370
|
|
|
'matchElementStrictly', |
371
|
|
|
...array_map( |
372
|
|
|
[$this->php, 'val'], |
373
|
|
|
$node->getAttribute('indexes') |
374
|
|
|
), |
375
|
|
|
); |
376
|
|
|
break; |
377
|
|
|
|
378
|
|
|
case AstNodeType::MATCH_ELEMENT_SLICE: |
379
|
|
|
/** @see MatcherFactoryInterface::matchElementSlice() */ |
380
|
|
|
$this->addMethodCall( |
381
|
|
|
$node, |
382
|
|
|
$this->matcherFactory, |
383
|
|
|
'matchElementSlice', |
384
|
|
|
$this |
385
|
|
|
->php |
386
|
|
|
->val($node->getAttribute('hasStart') ? $node->getAttribute('start') : null), |
387
|
|
|
$this |
388
|
|
|
->php |
389
|
|
|
->val($node->getAttribute('hasEnd') ? $node->getAttribute('end') : null), |
390
|
|
|
$this |
391
|
|
|
->php |
392
|
|
|
->val($node->getAttribute('step')), |
393
|
|
|
); |
394
|
|
|
break; |
395
|
|
|
|
396
|
|
|
case AstNodeType::AGGREGATE: |
397
|
|
|
/** @see EvaluatorInterface::aggregate() */ |
398
|
|
|
$this->addMethodCall( |
399
|
|
|
$node, |
400
|
|
|
$this->evaluator, |
401
|
|
|
'aggregate', |
402
|
|
|
$this->php->val($node->getAttribute('name')), |
403
|
|
|
$this->getReference($node->getChild(0)), |
404
|
|
|
); |
405
|
|
|
break; |
406
|
|
|
|
407
|
|
|
case AstNodeType::CREATE_LITERAL_SCALAR: |
408
|
|
|
$attributes = $node->getAttributeList(); |
409
|
|
|
$value = $attributes['value'] ?? null; // TODO: allow pass null in attribute |
410
|
|
|
/** @see LiteralFactoryInterface::createScalar() */ |
411
|
|
|
$this->addMethodCall( |
412
|
|
|
$node, |
413
|
|
|
$this->literalFactory, |
414
|
|
|
'createScalar', |
415
|
|
|
$this->getReference($node->getChild(0)), |
416
|
|
|
$this->php->val($value), |
417
|
|
|
); |
418
|
|
|
break; |
419
|
|
|
|
420
|
|
|
case AstNodeType::CREATE_LITERAL_ARRAY: |
421
|
|
|
/** @see LiteralFactoryInterface::createArray() */ |
422
|
|
|
$this->addMethodCall( |
423
|
|
|
$node, |
424
|
|
|
$this->literalFactory, |
425
|
|
|
'createArray', |
426
|
|
|
$this->getReference($node->getChild(0)), |
427
|
|
|
new Arg( |
428
|
|
|
$this->getReference($node->getChild(1)), |
429
|
|
|
false, |
430
|
|
|
true, |
431
|
|
|
), |
432
|
|
|
); |
433
|
|
|
break; |
434
|
|
|
|
435
|
|
|
case AstNodeType::CREATE_ARRAY: |
436
|
|
|
// [ X:APPEND_TO_ARRAY ] |
437
|
|
|
$items = []; |
438
|
|
|
foreach ($node->getChildList() as $child) { |
439
|
|
|
$items[] = $this->getReference($child); |
440
|
|
|
} |
441
|
|
|
$this->stmts[] = new Assign( |
442
|
|
|
$this->createReference($node), |
443
|
|
|
$this->php->val($items), |
444
|
|
|
); |
445
|
|
|
break; |
446
|
|
|
|
447
|
|
|
case AstNodeType::APPEND_TO_ARRAY: |
448
|
|
|
// [ 0:<value> ] |
449
|
|
|
$this->setReference( |
450
|
|
|
$node, |
451
|
|
|
$this->getReference($node->getChild(0)), |
452
|
|
|
); |
453
|
|
|
break; |
454
|
|
|
} |
455
|
2 |
|
} |
456
|
|
|
|
457
|
|
|
private function getVarName(QueryAstNode $node): string |
458
|
|
|
{ |
459
|
|
|
return "var{$node->getId()}"; |
460
|
|
|
} |
461
|
|
|
|
462
|
|
|
private function createReference(QueryAstNode $node): Expr |
463
|
|
|
{ |
464
|
|
|
$reference = $this->php->var($this->getVarName($node)); |
465
|
|
|
$this->setReference($node, $reference); |
466
|
|
|
|
467
|
|
|
return $reference; |
468
|
|
|
} |
469
|
|
|
|
470
|
2 |
|
private function setReference(QueryAstNode $node, Expr $expr): void |
471
|
|
|
{ |
472
|
2 |
|
if (isset($this->references[$node->getId()])) { |
473
|
|
|
throw new Exception\ReferenceAlreadyExistsException($node->getId()); |
474
|
|
|
} |
475
|
|
|
|
476
|
2 |
|
$this->references[$node->getId()] = $expr; |
477
|
2 |
|
} |
478
|
|
|
|
479
|
3 |
|
private function hasReference(QueryAstNode $node): bool |
480
|
|
|
{ |
481
|
3 |
|
return isset($this->references[$node->getId()]); |
482
|
|
|
} |
483
|
|
|
|
484
|
3 |
|
private function getReference(QueryAstNode $node): Expr |
485
|
|
|
{ |
486
|
3 |
|
if (!isset($this->references[$node->getId()])) { |
487
|
1 |
|
throw new Exception\ReferenceNotFoundException($node->getId()); |
488
|
|
|
} |
489
|
|
|
|
490
|
2 |
|
return $this->references[$node->getId()]; |
491
|
|
|
} |
492
|
|
|
|
493
|
|
|
/** |
494
|
|
|
* @param QueryAstNode ...$nodes |
495
|
|
|
* @return Expr[] |
496
|
|
|
*/ |
497
|
|
|
private function getReferences(QueryAstNode ...$nodes): array |
498
|
|
|
{ |
499
|
|
|
return array_map([$this, 'getReference'], $nodes); |
500
|
|
|
} |
501
|
|
|
|
502
|
|
|
private function addMethodCall(QueryAstNode $node, Expr $object, string $method, PhpAstNode ...$args): void |
503
|
|
|
{ |
504
|
|
|
$methodCall = $this |
505
|
|
|
->php |
506
|
|
|
->methodCall($object, $method, $args); |
507
|
|
|
$this->stmts[] = new Assign($this->createReference($node), $methodCall); |
508
|
|
|
} |
509
|
|
|
} |
510
|
|
|
|