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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\Annotations;
use SplFileObject;
/**
* Parses a file for namespaces/use/class declarations.
*
* @author Fabien Potencier <fabien@symfony.com>
* @author Christian Kaps <christian.kaps@mohiva.com>
*/
final class PhpParser
{
/**
* Parses a class.
*
* @param \ReflectionClass $class A <code>ReflectionClass</code> object.
*
* @return array A list with use statements in the form (Alias => FQN).
*/
public function parseClass(\ReflectionClass $class)
{
if (method_exists($class, 'getUseStatements')) {
return $class->getUseStatements();
}
if (false === $filename = $class->getFilename()) {
return array();
}
$content = $this->getFileContent($filename, $class->getStartLine());
if (null === $content) {
return array();
}
$namespace = preg_quote($class->getNamespaceName());
$content = preg_replace('/^.*?(\bnamespace\s+' . $namespace . '\s*[;{].*)$/s', '\\1', $content);
$tokenizer = new TokenParser('<?php ' . $content);
$statements = $tokenizer->parseUseStatements($class->getNamespaceName());
return $statements;
}
/**
* Gets the content of the file right up to the given line number.
*
* @param string $filename The name of the file to load.
* @param integer $lineNumber The number of lines to read from file.
*
* @return string The content of the file.
*/
private function getFileContent($filename, $lineNumber)
{
if ( ! is_file($filename)) {
return null;
}
$content = '';
$lineCnt = 0;
$file = new SplFileObject($filename);
while (!$file->eof()) {
if ($lineCnt++ == $lineNumber) {
break;
}
$content .= $file->fgets();
}
return $content;
}
}
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