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86 lines
2.2 KiB
86 lines
2.2 KiB
<?php declare(strict_types=1);
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/*
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* This file is part of PHPUnit.
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*
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* (c) Sebastian Bergmann <sebastian@phpunit.de>
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*
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* For the full copyright and license information, please view the LICENSE
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* file that was distributed with this source code.
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*/
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namespace PHPUnit\Framework\Constraint;
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use function mb_stripos;
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use function mb_strtolower;
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use function sprintf;
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use function strpos;
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/**
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* @no-named-arguments Parameter names are not covered by the backward compatibility promise for PHPUnit
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*/
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final class StringContains extends Constraint
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{
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/**
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* @var string
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*/
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private $string;
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/**
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* @var bool
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*/
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private $ignoreCase;
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public function __construct(string $string, bool $ignoreCase = false)
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{
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$this->string = $string;
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$this->ignoreCase = $ignoreCase;
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}
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/**
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* Returns a string representation of the constraint.
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*/
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public function toString(): string
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{
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if ($this->ignoreCase) {
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$string = mb_strtolower($this->string, 'UTF-8');
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} else {
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$string = $this->string;
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}
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return sprintf(
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'contains "%s"',
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$string,
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);
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}
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/**
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* Evaluates the constraint for parameter $other. Returns true if the
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* constraint is met, false otherwise.
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*
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* @param mixed $other value or object to evaluate
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*/
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protected function matches($other): bool
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{
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if ('' === $this->string) {
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return true;
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}
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if ($this->ignoreCase) {
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/*
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* We must use the multi byte safe version so we can accurately compare non latin upper characters with
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* their lowercase equivalents.
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*/
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return mb_stripos($other, $this->string, 0, 'UTF-8') !== false;
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}
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/*
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* Use the non multi byte safe functions to see if the string is contained in $other.
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*
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* This function is very fast and we don't care about the character position in the string.
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*
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* Additionally, we want this method to be binary safe so we can check if some binary data is in other binary
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* data.
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*/
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return strpos($other, $this->string) !== false;
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}
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}
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