96 lines
2.3 KiB
PHP
96 lines
2.3 KiB
PHP
<?php
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namespace Prophecy\Doubler\ClassPatch;
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use Prophecy\Doubler\Generator\Node\ClassNode;
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use Prophecy\Exception\Doubler\ClassCreatorException;
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class ThrowablePatch implements ClassPatchInterface
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{
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/**
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* Checks if patch supports specific class node.
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*
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* @param ClassNode $node
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* @return bool
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*/
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public function supports(ClassNode $node)
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{
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return $this->implementsAThrowableInterface($node) && $this->doesNotExtendAThrowableClass($node);
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}
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/**
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* @param ClassNode $node
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* @return bool
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*/
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private function implementsAThrowableInterface(ClassNode $node)
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{
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foreach ($node->getInterfaces() as $type) {
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if (is_a($type, 'Throwable', true)) {
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return true;
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}
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}
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return false;
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}
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/**
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* @param ClassNode $node
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* @return bool
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*/
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private function doesNotExtendAThrowableClass(ClassNode $node)
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{
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return !is_a($node->getParentClass(), 'Throwable', true);
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}
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/**
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* Applies patch to the specific class node.
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*
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* @param ClassNode $node
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*
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* @return void
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*/
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public function apply(ClassNode $node)
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{
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$this->checkItCanBeDoubled($node);
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$this->setParentClassToException($node);
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}
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private function checkItCanBeDoubled(ClassNode $node)
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{
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$className = $node->getParentClass();
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if ($className !== 'stdClass') {
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throw new ClassCreatorException(
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sprintf(
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'Cannot double concrete class %s as well as implement Traversable',
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$className
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),
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$node
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);
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}
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}
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private function setParentClassToException(ClassNode $node)
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{
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$node->setParentClass('Exception');
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$node->removeMethod('getMessage');
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$node->removeMethod('getCode');
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$node->removeMethod('getFile');
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$node->removeMethod('getLine');
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$node->removeMethod('getTrace');
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$node->removeMethod('getPrevious');
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$node->removeMethod('getNext');
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$node->removeMethod('getTraceAsString');
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}
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/**
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* Returns patch priority, which determines when patch will be applied.
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*
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* @return int Priority number (higher - earlier)
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*/
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public function getPriority()
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{
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return 100;
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}
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}
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