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<?php
/*
* This file is part of the GlobalState package.
*
* (c) Sebastian Bergmann <sebastian@phpunit.de>
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
namespace SebastianBergmann\GlobalState;
use ReflectionClass;
/**
* A blacklist for global state elements that should not be snapshotted.
*/
class Blacklist
{
/**
* @var array
*/
private $globalVariables = array();
/**
* @var array
*/
private $classes = array();
/**
* @var array
*/
private $classNamePrefixes = array();
/**
* @var array
*/
private $parentClasses = array();
/**
* @var array
*/
private $interfaces = array();
/**
* @var array
*/
private $staticAttributes = array();
/**
* @param string $variableName
*/
public function addGlobalVariable($variableName)
{
$this->globalVariables[$variableName] = true;
}
/**
* @param string $className
*/
public function addClass($className)
{
$this->classes[] = $className;
}
/**
* @param string $className
*/
public function addSubclassesOf($className)
{
$this->parentClasses[] = $className;
}
/**
* @param string $interfaceName
*/
public function addImplementorsOf($interfaceName)
{
$this->interfaces[] = $interfaceName;
}
/**
* @param string $classNamePrefix
*/
public function addClassNamePrefix($classNamePrefix)
{
$this->classNamePrefixes[] = $classNamePrefix;
}
/**
* @param string $className
* @param string $attributeName
*/
public function addStaticAttribute($className, $attributeName)
{
if (!isset($this->staticAttributes[$className])) {
$this->staticAttributes[$className] = array();
}
$this->staticAttributes[$className][$attributeName] = true;
}
/**
* @param string $variableName
* @return bool
*/
public function isGlobalVariableBlacklisted($variableName)
{
return isset($this->globalVariables[$variableName]);
}
/**
* @param string $className
* @param string $attributeName
* @return bool
*/
public function isStaticAttributeBlacklisted($className, $attributeName)
{
if (in_array($className, $this->classes)) {
return true;
}
foreach ($this->classNamePrefixes as $prefix) {
if (strpos($className, $prefix) === 0) {
return true;
}
}
$class = new ReflectionClass($className);
foreach ($this->parentClasses as $type) {
if ($class->isSubclassOf($type)) {
return true;
}
}
foreach ($this->interfaces as $type) {
if ($class->implementsInterface($type)) {
return true;
}
}
if (isset($this->staticAttributes[$className][$attributeName])) {
return true;
}
return false;
}
}
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