69 lines
1.6 KiB
PHP
69 lines
1.6 KiB
PHP
<?php
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/*
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* This file is part of the Prophecy.
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* (c) Konstantin Kudryashov <ever.zet@gmail.com>
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* Marcello Duarte <marcello.duarte@gmail.com>
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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 Prophecy\Doubler;
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use ReflectionClass;
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/**
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* Cached class doubler.
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* Prevents mirroring/creation of the same structure twice.
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*
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* @author Konstantin Kudryashov <ever.zet@gmail.com>
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*/
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class CachedDoubler extends Doubler
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{
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private $classes = array();
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/**
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* {@inheritdoc}
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*/
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public function registerClassPatch(ClassPatch\ClassPatchInterface $patch)
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{
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$this->classes[] = array();
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parent::registerClassPatch($patch);
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}
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/**
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* {@inheritdoc}
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*/
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protected function createDoubleClass(ReflectionClass $class = null, array $interfaces)
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{
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$classId = $this->generateClassId($class, $interfaces);
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if (isset($this->classes[$classId])) {
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return $this->classes[$classId];
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}
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return $this->classes[$classId] = parent::createDoubleClass($class, $interfaces);
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}
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/**
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* @param ReflectionClass $class
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* @param ReflectionClass[] $interfaces
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*
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* @return string
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*/
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private function generateClassId(ReflectionClass $class = null, array $interfaces)
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{
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$parts = array();
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if (null !== $class) {
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$parts[] = $class->getName();
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}
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foreach ($interfaces as $interface) {
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$parts[] = $interface->getName();
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}
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sort($parts);
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return md5(implode('', $parts));
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}
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}
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