TplBlock/vendor/doctrine/annotations/lib/Doctrine/Common/Annotations/AnnotationRegistry.php
2018-03-26 21:57:35 +02:00

175 lines
6.3 KiB
PHP

<?php
/*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
* This software consists of voluntary contributions made by many individuals
* and is licensed under the MIT license. For more information, see
* <http://www.doctrine-project.org>.
*/
namespace Doctrine\Common\Annotations;
final class AnnotationRegistry
{
/**
* A map of namespaces to use for autoloading purposes based on a PSR-0 convention.
*
* Contains the namespace as key and an array of directories as value. If the value is NULL
* the include path is used for checking for the corresponding file.
*
* This autoloading mechanism does not utilize the PHP autoloading but implements autoloading on its own.
*
* @var string[][]|string[]|null[]
*/
static private $autoloadNamespaces = [];
/**
* A map of autoloader callables.
*
* @var callable[]
*/
static private $loaders = [];
/**
* An array of classes which cannot be found
*
* @var null[] indexed by class name
*/
static private $failedToAutoload = [];
public static function reset() : void
{
self::$autoloadNamespaces = [];
self::$loaders = [];
self::$failedToAutoload = [];
}
/**
* Registers file.
*
* @deprecated this method is deprecated and will be removed in doctrine/annotations 2.0
* autoloading should be deferred to the globally registered autoloader by then. For now,
* use @example AnnotationRegistry::registerLoader('class_exists')
*/
public static function registerFile(string $file) : void
{
require_once $file;
}
/**
* Adds a namespace with one or many directories to look for files or null for the include path.
*
* Loading of this namespaces will be done with a PSR-0 namespace loading algorithm.
*
* @param string $namespace
* @param string|array|null $dirs
*
* @deprecated this method is deprecated and will be removed in doctrine/annotations 2.0
* autoloading should be deferred to the globally registered autoloader by then. For now,
* use @example AnnotationRegistry::registerLoader('class_exists')
*/
public static function registerAutoloadNamespace(string $namespace, $dirs = null) : void
{
self::$autoloadNamespaces[$namespace] = $dirs;
}
/**
* Registers multiple namespaces.
*
* Loading of this namespaces will be done with a PSR-0 namespace loading algorithm.
*
* @param string[][]|string[]|null[] $namespaces indexed by namespace name
*
* @deprecated this method is deprecated and will be removed in doctrine/annotations 2.0
* autoloading should be deferred to the globally registered autoloader by then. For now,
* use @example AnnotationRegistry::registerLoader('class_exists')
*/
public static function registerAutoloadNamespaces(array $namespaces) : void
{
self::$autoloadNamespaces = \array_merge(self::$autoloadNamespaces, $namespaces);
}
/**
* Registers an autoloading callable for annotations, much like spl_autoload_register().
*
* NOTE: These class loaders HAVE to be silent when a class was not found!
* IMPORTANT: Loaders have to return true if they loaded a class that could contain the searched annotation class.
*
* @deprecated this method is deprecated and will be removed in doctrine/annotations 2.0
* autoloading should be deferred to the globally registered autoloader by then. For now,
* use @example AnnotationRegistry::registerLoader('class_exists')
*/
public static function registerLoader(callable $callable) : void
{
// Reset our static cache now that we have a new loader to work with
self::$failedToAutoload = [];
self::$loaders[] = $callable;
}
/**
* Registers an autoloading callable for annotations, if it is not already registered
*
* @deprecated this method is deprecated and will be removed in doctrine/annotations 2.0
*/
public static function registerUniqueLoader(callable $callable) : void
{
if ( ! in_array($callable, self::$loaders, true) ) {
self::registerLoader($callable);
}
}
/**
* Autoloads an annotation class silently.
*/
public static function loadAnnotationClass(string $class) : bool
{
if (\class_exists($class, false)) {
return true;
}
if (\array_key_exists($class, self::$failedToAutoload)) {
return false;
}
foreach (self::$autoloadNamespaces AS $namespace => $dirs) {
if (\strpos($class, $namespace) === 0) {
$file = \str_replace('\\', \DIRECTORY_SEPARATOR, $class) . '.php';
if ($dirs === null) {
if ($path = stream_resolve_include_path($file)) {
require $path;
return true;
}
} else {
foreach((array) $dirs AS $dir) {
if (is_file($dir . \DIRECTORY_SEPARATOR . $file)) {
require $dir . \DIRECTORY_SEPARATOR . $file;
return true;
}
}
}
}
}
foreach (self::$loaders AS $loader) {
if ($loader($class) === true) {
return true;
}
}
self::$failedToAutoload[$class] = null;
return false;
}
}