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<?php declare(strict_types=1); |
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/** |
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* @license http://opensource.org/licenses/mit-license.php MIT |
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* @link https://github.com/nicoSWD |
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* @author Nicolas Oelgart <[email protected]> |
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*/ |
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namespace nicoSWD\Rule\Grammar\JavaScript\Methods; |
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use nicoSWD\Rule\Grammar\CallableFunction; |
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use nicoSWD\Rule\TokenStream\Token\BaseToken; |
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use nicoSWD\Rule\TokenStream\Token\TokenRegex; |
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use nicoSWD\Rule\TokenStream\Token\TokenString; |
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final class Replace extends CallableFunction |
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{ |
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public function call(?BaseToken ...$parameters): BaseToken |
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{ |
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$isRegExpr = false; |
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$search = $this->parseParameter($parameters, numParam: 0); |
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if (!$search) { |
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$search = ''; |
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} else { |
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$isRegExpr = ($search instanceof TokenRegex); |
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$search = $search->getValue(); |
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} |
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$replace = $this->parseParameter($parameters, numParam: 1); |
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10 |
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if (!$replace) { |
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$replace = 'undefined'; |
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} else { |
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$replace = $replace->getValue(); |
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} |
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if ($isRegExpr) { |
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$value = $this->doRegexReplace($search, $replace); |
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} else { |
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$value = str_replace($search, $replace, $this->token->getValue()); |
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} |
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return new TokenString($value); |
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} |
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private function doRegexReplace(string $search, string $replace): string |
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{ |
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[$expression, $modifiers] = $this->splitRegex($search); |
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$modifiers = str_replace('g', '', $modifiers, $count); |
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$limit = $count > 0 ? -1 : 1; |
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return preg_replace( |
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$expression . $modifiers, |
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$replace, |
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$this->token->getValue(), |
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$limit |
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); |
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} |
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private function splitRegex(string $regExpr): array |
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{ |
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preg_match('~(?<regex>.*?/)(?<modifiers>[img]{0,3})?$~', $regExpr, $match); |
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return [$match['regex'], $match['modifiers']]; |
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} |
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} |
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nicoSWD /
php-rule-parser
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