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