final class PhpParser in Plug 7

Parses a file for namespaces/use/class declarations.

@author Fabien Potencier <[e-mail]> @author Christian Kaps <[e-mail]>

Hierarchy

• class \Doctrine\Common\Annotations\PhpParser

File

lib/doctrine/annotations/lib/Doctrine/Common/Annotations/PhpParser.php, line 30

Namespace

Doctrine\Common\Annotations

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;
  }

}

Members

Name	Modifiers	Type	Description	Overrides
PhpParser::getFileContent	private	function	Gets the content of the file right up to the given line number.
PhpParser::parseClass	public	function	Parses a class.