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<?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\Reflection;
/**
* Finds a class in a PSR-0 structure.
*
* @author Karoly Negyesi <karoly@negyesi.net>
*/
class Psr0FindFile implements ClassFinderInterface
{
/**
* The PSR-0 prefixes.
*
* @var string
*/
protected $prefixes;
/**
* @param string $prefixes
* An array of prefixes. Each key is a PHP namespace and each value is
* a list of directories.
*/
public function __construct($prefixes)
{
$this->prefixes = $prefixes;
}
/**
* Finds a class.
*
* @param string $class The name of the class.
*
* @return
* The name of the class or NULL if not found.
*/
public function findFile($class)
{
$lastNsPos = strrpos($class, '\\');
if ('\\' == $class[0]) {
$class = substr($class, 1);
}
if (false !== $lastNsPos) {
// namespaced class name
$classPath = str_replace('\\', DIRECTORY_SEPARATOR, substr($class, 0, $lastNsPos)) . DIRECTORY_SEPARATOR;
$className = substr($class, $lastNsPos + 1);
} else {
// PEAR-like class name
$classPath = null;
$className = $class;
}
$classPath .= str_replace('_', DIRECTORY_SEPARATOR, $className) . '.php';
foreach ($this->prefixes as $prefix => $dirs) {
if (0 === strpos($class, $prefix)) {
foreach ($dirs as $dir) {
if (is_file($dir . DIRECTORY_SEPARATOR . $classPath)) {
return $dir . DIRECTORY_SEPARATOR . $classPath;
}
}
}
}
}
}
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