Initial commit with Symfony 2.1+Vendors
Signed-off-by: Gergely POLONKAI (W00d5t0ck) <polesz@w00d5t0ck.info>
This commit is contained in:
158
vendor/jms/cg/src/CG/Proxy/Enhancer.php
vendored
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158
vendor/jms/cg/src/CG/Proxy/Enhancer.php
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<?php
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/*
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* Copyright 2011 Johannes M. Schmitt <schmittjoh@gmail.com>
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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namespace CG\Proxy;
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use CG\Core\NamingStrategyInterface;
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use CG\Generator\Writer;
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use CG\Generator\PhpMethod;
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use CG\Generator\PhpDocblock;
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use CG\Generator\PhpClass;
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use CG\Core\AbstractClassGenerator;
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/**
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* Class enhancing generator implementation.
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*
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* This class enhances existing classes by generating a proxy and leveraging
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* different generator implementation.
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*
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* There are several built-in generator such as lazy-initializing objects, or
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* a generator for creating AOP joinpoints.
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*
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* @author Johannes M. Schmitt <schmittjoh@gmail.com>
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*/
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class Enhancer extends AbstractClassGenerator
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{
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private $generatedClass;
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private $class;
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private $interfaces;
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private $generators;
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public function __construct(\ReflectionClass $class, array $interfaces = array(), array $generators = array())
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{
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if (empty($generators) && empty($interfaces)) {
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throw new \RuntimeException('Either generators, or interfaces must be given.');
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}
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$this->class = $class;
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$this->interfaces = $interfaces;
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$this->generators = $generators;
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}
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/**
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* Creates a new instance of the enhanced class.
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*
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* @param array $args
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* @return object
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*/
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public function createInstance(array $args = array())
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{
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$generatedClass = $this->getClassName($this->class);
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if (!class_exists($generatedClass, false)) {
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eval($this->generateClass());
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}
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$ref = new \ReflectionClass($generatedClass);
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return $ref->newInstanceArgs($args);
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}
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public function writeClass($filename)
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{
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if (!is_dir($dir = dirname($filename))) {
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if (false === @mkdir($dir, 0777, true)) {
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throw new \RuntimeException(sprintf('Could not create directory "%s".', $dir));
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}
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}
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if (!is_writable($dir)) {
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throw new \RuntimeException(sprintf('The directory "%s" is not writable.', $dir));
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}
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file_put_contents($filename, "<?php\n\n".$this->generateClass());
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}
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/**
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* Creates a new enhanced class
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*
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* @return string
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*/
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public final function generateClass()
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{
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static $docBlock;
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if (empty($docBlock)) {
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$writer = new Writer();
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$writer
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->writeln('/**')
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->writeln(' * CG library enhanced proxy class.')
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->writeln(' *')
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->writeln(' * This code was generated automatically by the CG library, manual changes to it')
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->writeln(' * will be lost upon next generation.')
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->writeln(' */')
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;
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$docBlock = $writer->getContent();
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}
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$this->generatedClass = PhpClass::create()
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->setDocblock($docBlock)
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->setParentClassName($this->class->name)
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;
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$proxyClassName = $this->getClassName($this->class);
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if (false === strpos($proxyClassName, NamingStrategyInterface::SEPARATOR)) {
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throw new \RuntimeException(sprintf('The proxy class name must be suffixed with "%s" and an optional string, but got "%s".', NamingStrategyInterface::SEPARATOR, $proxyClassName));
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}
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$this->generatedClass->setName($proxyClassName);
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if (!empty($this->interfaces)) {
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$this->generatedClass->setInterfaceNames(array_map(function($v) { return '\\'.$v; }, $this->interfaces));
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foreach ($this->getInterfaceMethods() as $method) {
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$method = PhpMethod::fromReflection($method);
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$method->setAbstract(false);
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$this->generatedClass->setMethod($method);
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}
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}
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if (!empty($this->generators)) {
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foreach ($this->generators as $generator) {
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$generator->generate($this->class, $this->generatedClass);
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}
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}
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return $this->generateCode($this->generatedClass);
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}
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/**
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* Adds stub methods for the interfaces that have been implemented.
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*/
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protected function getInterfaceMethods()
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{
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$methods = array();
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foreach ($this->interfaces as $interface) {
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$ref = new \ReflectionClass($interface);
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$methods = array_merge($methods, $ref->getMethods());
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}
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return $methods;
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}
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}
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