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<?php
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/*
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* This file is part of Psy Shell.
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*
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* (c) 2012-2022 Justin Hileman
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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 Psy\TabCompletion\Matcher;
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abstract class AbstractDefaultParametersMatcher extends AbstractContextAwareMatcher
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{
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/**
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* @param \ReflectionParameter[] $reflectionParameters
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*
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* @return array
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*/
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public function getDefaultParameterCompletion(array $reflectionParameters): array
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{
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$parametersProcessed = [];
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foreach ($reflectionParameters as $parameter) {
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if (!$parameter->isDefaultValueAvailable()) {
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return [];
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}
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$defaultValue = $this->valueToShortString($parameter->getDefaultValue());
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$parametersProcessed[] = \sprintf('$%s = %s', $parameter->getName(), $defaultValue);
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}
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if (empty($parametersProcessed)) {
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return [];
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}
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return [\implode(', ', $parametersProcessed).')'];
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}
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/**
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* Takes in the default value of a parameter and turns it into a
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* string representation that fits inline.
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* This is not 100% true to the original (newlines are inlined, for example).
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*
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* @param mixed $value
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*
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* @return string
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*/
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private function valueToShortString($value): string
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{
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if (!\is_array($value)) {
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return \json_encode($value);
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}
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$chunks = [];
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$chunksSequential = [];
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$allSequential = true;
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foreach ($value as $key => $item) {
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$allSequential = $allSequential && \is_numeric($key) && $key === \count($chunksSequential);
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$keyString = $this->valueToShortString($key);
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$itemString = $this->valueToShortString($item);
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$chunks[] = "{$keyString} => {$itemString}";
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$chunksSequential[] = $itemString;
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}
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$chunksToImplode = $allSequential ? $chunksSequential : $chunks;
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return '['.\implode(', ', $chunksToImplode).']';
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}
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}
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