1: <?php declare(strict_types = 1);
2:
3: namespace PHPStan\Type\Accessory;
4:
5: use PHPStan\Php\PhpVersion;
6: use PHPStan\PhpDocParser\Ast\Type\IdentifierTypeNode;
7: use PHPStan\PhpDocParser\Ast\Type\TypeNode;
8: use PHPStan\TrinaryLogic;
9: use PHPStan\Type\AcceptsResult;
10: use PHPStan\Type\BenevolentUnionType;
11: use PHPStan\Type\BooleanType;
12: use PHPStan\Type\CompoundType;
13: use PHPStan\Type\Constant\ConstantArrayType;
14: use PHPStan\Type\Constant\ConstantIntegerType;
15: use PHPStan\Type\ErrorType;
16: use PHPStan\Type\FloatType;
17: use PHPStan\Type\GeneralizePrecision;
18: use PHPStan\Type\IntegerType;
19: use PHPStan\Type\IntersectionType;
20: use PHPStan\Type\IsSuperTypeOfResult;
21: use PHPStan\Type\ObjectWithoutClassType;
22: use PHPStan\Type\StringType;
23: use PHPStan\Type\Traits\MaybeCallableTypeTrait;
24: use PHPStan\Type\Traits\NonArrayTypeTrait;
25: use PHPStan\Type\Traits\NonGenericTypeTrait;
26: use PHPStan\Type\Traits\NonIterableTypeTrait;
27: use PHPStan\Type\Traits\NonObjectTypeTrait;
28: use PHPStan\Type\Traits\NonRemoveableTypeTrait;
29: use PHPStan\Type\Traits\UndecidedComparisonCompoundTypeTrait;
30: use PHPStan\Type\Type;
31: use PHPStan\Type\UnionType;
32: use PHPStan\Type\VerbosityLevel;
33:
34: class AccessoryLowercaseStringType implements CompoundType, AccessoryType
35: {
36:
37: use MaybeCallableTypeTrait;
38: use NonArrayTypeTrait;
39: use NonObjectTypeTrait;
40: use NonIterableTypeTrait;
41: use UndecidedComparisonCompoundTypeTrait;
42: use NonGenericTypeTrait;
43: use NonRemoveableTypeTrait;
44:
45: /** @api */
46: public function __construct()
47: {
48: }
49:
50: public function getReferencedClasses(): array
51: {
52: return [];
53: }
54:
55: public function getObjectClassNames(): array
56: {
57: return [];
58: }
59:
60: public function getObjectClassReflections(): array
61: {
62: return [];
63: }
64:
65: public function getConstantStrings(): array
66: {
67: return [];
68: }
69:
70: public function accepts(Type $type, bool $strictTypes): AcceptsResult
71: {
72: if ($type instanceof CompoundType) {
73: return $type->isAcceptedBy($this, $strictTypes);
74: }
75:
76: return new AcceptsResult($type->isLowercaseString(), []);
77: }
78:
79: public function isSuperTypeOf(Type $type): IsSuperTypeOfResult
80: {
81: if ($type instanceof CompoundType) {
82: return $type->isSubTypeOf($this);
83: }
84:
85: if ($this->equals($type)) {
86: return IsSuperTypeOfResult::createYes();
87: }
88:
89: return new IsSuperTypeOfResult($type->isLowercaseString(), []);
90: }
91:
92: public function isSubTypeOf(Type $otherType): IsSuperTypeOfResult
93: {
94: if ($otherType instanceof UnionType || $otherType instanceof IntersectionType) {
95: return $otherType->isSuperTypeOf($this);
96: }
97:
98: return (new IsSuperTypeOfResult($otherType->isLowercaseString(), []))
99: ->and($otherType instanceof self ? IsSuperTypeOfResult::createYes() : IsSuperTypeOfResult::createMaybe());
100: }
101:
102: public function isAcceptedBy(Type $acceptingType, bool $strictTypes): AcceptsResult
103: {
104: return $this->isSubTypeOf($acceptingType)->toAcceptsResult();
105: }
106:
107: public function equals(Type $type): bool
108: {
109: return $type instanceof self;
110: }
111:
112: public function describe(VerbosityLevel $level): string
113: {
114: return 'lowercase-string';
115: }
116:
117: public function isOffsetAccessible(): TrinaryLogic
118: {
119: return TrinaryLogic::createYes();
120: }
121:
122: public function isOffsetAccessLegal(): TrinaryLogic
123: {
124: return TrinaryLogic::createYes();
125: }
126:
127: public function hasOffsetValueType(Type $offsetType): TrinaryLogic
128: {
129: return $offsetType->isInteger()->and(TrinaryLogic::createMaybe());
130: }
131:
132: public function getOffsetValueType(Type $offsetType): Type
133: {
134: if ($this->hasOffsetValueType($offsetType)->no()) {
135: return new ErrorType();
136: }
137:
138: return new IntersectionType([new StringType(), new AccessoryLowercaseStringType()]);
139: }
140:
141: public function setOffsetValueType(?Type $offsetType, Type $valueType, bool $unionValues = true): Type
142: {
143: $stringOffset = (new StringType())->setOffsetValueType($offsetType, $valueType, $unionValues);
144:
145: if ($stringOffset instanceof ErrorType) {
146: return $stringOffset;
147: }
148:
149: if ($valueType->isLowercaseString()->yes()) {
150: return $this;
151: }
152:
153: return new StringType();
154: }
155:
156: public function setExistingOffsetValueType(Type $offsetType, Type $valueType): Type
157: {
158: return $this;
159: }
160:
161: public function unsetOffset(Type $offsetType): Type
162: {
163: return new ErrorType();
164: }
165:
166: public function toNumber(): Type
167: {
168: return new ErrorType();
169: }
170:
171: public function toAbsoluteNumber(): Type
172: {
173: return new ErrorType();
174: }
175:
176: public function toInteger(): Type
177: {
178: return new IntegerType();
179: }
180:
181: public function toFloat(): Type
182: {
183: return new FloatType();
184: }
185:
186: public function toString(): Type
187: {
188: return $this;
189: }
190:
191: public function toBoolean(): BooleanType
192: {
193: return new BooleanType();
194: }
195:
196: public function toArray(): Type
197: {
198: return new ConstantArrayType(
199: [new ConstantIntegerType(0)],
200: [$this],
201: [1],
202: [],
203: TrinaryLogic::createYes(),
204: );
205: }
206:
207: public function toArrayKey(): Type
208: {
209: return $this;
210: }
211:
212: public function isNull(): TrinaryLogic
213: {
214: return TrinaryLogic::createNo();
215: }
216:
217: public function isConstantValue(): TrinaryLogic
218: {
219: return TrinaryLogic::createMaybe();
220: }
221:
222: public function isConstantScalarValue(): TrinaryLogic
223: {
224: return TrinaryLogic::createMaybe();
225: }
226:
227: public function getConstantScalarTypes(): array
228: {
229: return [];
230: }
231:
232: public function getConstantScalarValues(): array
233: {
234: return [];
235: }
236:
237: public function isTrue(): TrinaryLogic
238: {
239: return TrinaryLogic::createNo();
240: }
241:
242: public function isFalse(): TrinaryLogic
243: {
244: return TrinaryLogic::createNo();
245: }
246:
247: public function isBoolean(): TrinaryLogic
248: {
249: return TrinaryLogic::createNo();
250: }
251:
252: public function isFloat(): TrinaryLogic
253: {
254: return TrinaryLogic::createNo();
255: }
256:
257: public function isInteger(): TrinaryLogic
258: {
259: return TrinaryLogic::createNo();
260: }
261:
262: public function isString(): TrinaryLogic
263: {
264: return TrinaryLogic::createYes();
265: }
266:
267: public function isNumericString(): TrinaryLogic
268: {
269: return TrinaryLogic::createMaybe();
270: }
271:
272: public function isNonEmptyString(): TrinaryLogic
273: {
274: return TrinaryLogic::createMaybe();
275: }
276:
277: public function isNonFalsyString(): TrinaryLogic
278: {
279: return TrinaryLogic::createMaybe();
280: }
281:
282: public function isLiteralString(): TrinaryLogic
283: {
284: return TrinaryLogic::createMaybe();
285: }
286:
287: public function isLowercaseString(): TrinaryLogic
288: {
289: return TrinaryLogic::createYes();
290: }
291:
292: public function isClassString(): TrinaryLogic
293: {
294: return TrinaryLogic::createMaybe();
295: }
296:
297: public function getClassStringObjectType(): Type
298: {
299: return new ObjectWithoutClassType();
300: }
301:
302: public function getObjectTypeOrClassStringObjectType(): Type
303: {
304: return new ObjectWithoutClassType();
305: }
306:
307: public function hasMethod(string $methodName): TrinaryLogic
308: {
309: return TrinaryLogic::createMaybe();
310: }
311:
312: public function isVoid(): TrinaryLogic
313: {
314: return TrinaryLogic::createNo();
315: }
316:
317: public function isScalar(): TrinaryLogic
318: {
319: return TrinaryLogic::createYes();
320: }
321:
322: public function looseCompare(Type $type, PhpVersion $phpVersion): BooleanType
323: {
324: return new BooleanType();
325: }
326:
327: public function traverse(callable $cb): Type
328: {
329: return $this;
330: }
331:
332: public function traverseSimultaneously(Type $right, callable $cb): Type
333: {
334: return $this;
335: }
336:
337: public function generalize(GeneralizePrecision $precision): Type
338: {
339: return new StringType();
340: }
341:
342: public function exponentiate(Type $exponent): Type
343: {
344: return new BenevolentUnionType([
345: new FloatType(),
346: new IntegerType(),
347: ]);
348: }
349:
350: public function getFiniteTypes(): array
351: {
352: return [];
353: }
354:
355: public function toPhpDocNode(): TypeNode
356: {
357: return new IdentifierTypeNode('lowercase-string');
358: }
359:
360: }
361: