129 lines
2.3 KiB
PHP
129 lines
2.3 KiB
PHP
<?php
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/**
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* Ion
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*
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* Building blocks for web development
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*
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* @package Ion
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* @author Timothy J. Warren
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* @copyright Copyright (c) 2015 - 2016
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* @license MIT
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*/
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namespace Aviat\Ion;
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use ReflectionClass;
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use ReflectionMethod;
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use ReflectionProperty;
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use InvalidArgumentException;
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use BadMethodCallException;
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/**
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* Friend class for testing
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*/
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class Friend {
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/**
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* Object to create a friend of
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* @var object
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*/
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private $_friend_;
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/**
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* Reflection class of the object
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* @var object
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*/
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private $_reflect_;
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/**
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* Create a friend object
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*
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* @param object $obj
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*/
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public function __construct($obj)
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{
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if ( ! is_object($obj))
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{
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throw new InvalidArgumentException("Friend must be an object");
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}
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$this->_friend_ = $obj;
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$this->_reflect_ = new ReflectionClass($obj);
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}
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/**
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* Retrieve a friend's property
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*
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* @param string $key
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* @return mixed
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*/
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public function __get($key)
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{
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if ($this->_reflect_->hasProperty($key))
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{
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$property = $this->_get_property($key);
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return $property->getValue($this->_friend_);
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}
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return NULL;
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}
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/**
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* Set a friend's property
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*
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* @param string $key
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* @param mixed $value
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* @return void
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*/
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public function __set($key, $value)
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{
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if ($this->_reflect_->hasProperty($key))
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{
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$property = $this->_get_property($key);
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$property->setValue($this->_friend_, $value);
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}
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}
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/**
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* Calls a protected or private method on the friend
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*
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* @param string $method
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* @param array $args
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* @return mixed
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*/
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public function __call($method, $args)
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{
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if ( ! $this->_reflect_->hasMethod($method))
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{
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throw new BadMethodCallException("Method '{$method}' does not exist");
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}
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$friendMethod = new ReflectionMethod($this->_friend_, $method);
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$friendMethod->setAccessible(TRUE);
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return $friendMethod->invokeArgs($this->_friend_, $args);
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}
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/**
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* Iterates over parent classes to get a ReflectionProperty
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*
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* @codeCoverageIgnore
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* @param string $name
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* @return ReflectionProperty|null
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*/
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private function _get_property($name)
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{
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try
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{
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$property = $this->_reflect_->getProperty($name);
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$property->setAccessible(TRUE);
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return $property;
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}
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// Return NULL on any exception, so no further logic needed
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// in the catch block
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catch (\Exception $e)
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{
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return NULL;
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}
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}
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}
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// End of Friend.php
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