92 lines
2.9 KiB
PHP
92 lines
2.9 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 MIT license. 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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use SplFileObject;
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/**
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* Parses a file for namespaces/use/class declarations.
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*
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* @author Fabien Potencier <fabien@symfony.com>
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* @author Christian Kaps <christian.kaps@mohiva.com>
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*/
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final class PhpParser
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{
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/**
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* Parses a class.
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*
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* @param \ReflectionClass $class A <code>ReflectionClass</code> object.
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*
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* @return array A list with use statements in the form (Alias => FQN).
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*/
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public function parseClass(\ReflectionClass $class)
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{
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if (method_exists($class, 'getUseStatements')) {
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return $class->getUseStatements();
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}
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if (false === $filename = $class->getFileName()) {
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return array();
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}
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$content = $this->getFileContent($filename, $class->getStartLine());
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if (null === $content) {
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return array();
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}
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$namespace = preg_quote($class->getNamespaceName());
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$content = preg_replace('/^.*?(\bnamespace\s+' . $namespace . '\s*[;{].*)$/s', '\\1', $content);
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$tokenizer = new TokenParser('<?php ' . $content);
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$statements = $tokenizer->parseUseStatements($class->getNamespaceName());
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return $statements;
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}
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/**
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* Gets the content of the file right up to the given line number.
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*
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* @param string $filename The name of the file to load.
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* @param integer $lineNumber The number of lines to read from file.
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*
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* @return string|null The content of the file or null if the file does not exist.
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*/
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private function getFileContent($filename, $lineNumber)
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{
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if ( ! is_file($filename)) {
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return null;
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}
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$content = '';
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$lineCnt = 0;
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$file = new SplFileObject($filename);
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while (!$file->eof()) {
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if ($lineCnt++ == $lineNumber) {
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break;
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}
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$content .= $file->fgets();
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}
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return $content;
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}
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}
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