ClassFilesSniff.php in Coder 7.2

File

coder_sniffer/Drupal/Sniffs/InfoFiles/ClassFilesSniff.php

<?php

/**
 * Drupal_Sniffs_InfoFiles_ClassFilesSniff.
 *
 * PHP version 5
 *
 * @category PHP
 * @package  PHP_CodeSniffer
 * @link     http://pear.php.net/package/PHP_CodeSniffer
 */

/**
 * Checks files[] entries in info files. Only files containing classes/interfaces
 * should be listed.
 *
 * @category PHP
 * @package  PHP_CodeSniffer
 * @link     http://pear.php.net/package/PHP_CodeSniffer
 */
class Drupal_Sniffs_InfoFiles_ClassFilesSniff implements PHP_CodeSniffer_Sniff {

  /**
   * Returns an array of tokens this test wants to listen for.
   *
   * @return array
   */
  public function register() {
    return array(
      T_INLINE_HTML,
    );
  }

  //end register()

  /**
   * Processes this test, when one of its tokens is encountered.
   *
   * @param PHP_CodeSniffer_File $phpcsFile The file being scanned.
   * @param int                  $stackPtr  The position of the current token in the
   *                                        stack passed in $tokens.
   *
   * @return void
   */
  public function process(PHP_CodeSniffer_File $phpcsFile, $stackPtr) {
    $fileExtension = strtolower(substr($phpcsFile
      ->getFilename(), -4));
    if ($fileExtension !== 'info') {
      return;
    }
    $tokens = $phpcsFile
      ->getTokens();

    // Only run this sniff once per info file.
    if ($tokens[$stackPtr]['line'] !== 1) {
      return;
    }
    $contents = file_get_contents($phpcsFile
      ->getFilename());
    $info = self::drupalParseInfoFormat($contents);
    if (isset($info['files']) === true && is_array($info['files']) === true) {
      foreach ($info['files'] as $file) {
        $fileName = dirname($phpcsFile
          ->getFilename()) . '/' . $file;
        if (file_exists($fileName) === false) {

          // We need to find the position of the offending line in the
          // info file.
          $ptr = self::getPtr('files[]', $file, $phpcsFile);
          $error = 'Declared file was not found';
          $phpcsFile
            ->addError($error, $ptr, 'DeclaredFileNotFound');
          continue;
        }

        // Read the file, parse its tokens and check if it actually contains
        // a class or interface definition.
        $searchTokens = token_get_all(file_get_contents($fileName));
        foreach ($searchTokens as $token) {
          if (is_array($token) === true && ($token[0] === T_CLASS || $token[0] === T_INTERFACE)) {
            continue 2;
          }
        }
        $ptr = self::getPtr('files[]', $file, $phpcsFile);
        $error = "It's only necessary to declare files[] if they declare a class or interface.";
        $phpcsFile
          ->addError($error, $ptr, 'UnecessaryFileDeclaration');
      }

      //end foreach
    }

    //end if
  }

  //end process()

  /**
   * Helper function that returns the position of the key in the info file.
   *
   * @param string               $key      Key name to search for.
   * @param string               $value    Corresponding value to search for.
   * @param PHP_CodeSniffer_File $infoFile Info file to search in.
   *
   * @return int|false Returns the stack position if the file name is found, false
   * 									 otherwise.
   */
  public static function getPtr($key, $value, PHP_CodeSniffer_File $infoFile) {
    foreach ($infoFile
      ->getTokens() as $ptr => $tokenInfo) {
      if (preg_match('@^[\\s]*' . preg_quote($key) . '[\\s]*=[\\s]*["\']?' . preg_quote($value) . '["\']?@', $tokenInfo['content']) === 1) {
        return $ptr;
      }
    }
    return false;
  }

  //end getPtr()

  /**
   * Parses a Drupal info file. Copied from Drupal core drupal_parse_info_format().
   *
   * @param string $data The contents of the info file to parse
   *
   * @return array The info array.
   */
  public static function drupalParseInfoFormat($data) {
    $info = array();
    $constants = get_defined_constants();
    if (preg_match_all('
          @^\\s*                           # Start at the beginning of a line, ignoring leading whitespace
          ((?:
            [^=;\\[\\]]|                    # Key names cannot contain equal signs, semi-colons or square brackets,
            \\[[^\\[\\]]*\\]                  # unless they are balanced and not nested
          )+?)
          \\s*=\\s*                         # Key/value pairs are separated by equal signs (ignoring white-space)
          (?:
            ("(?:[^"]|(?<=\\\\)")*")|     # Double-quoted string, which may contain slash-escaped quotes/slashes
            (\'(?:[^\']|(?<=\\\\)\')*\')| # Single-quoted string, which may contain slash-escaped quotes/slashes
            ([^\\r\\n]*?)                   # Non-quoted string
          )\\s*$                           # Stop at the next end of a line, ignoring trailing whitespace
          @msx', $data, $matches, PREG_SET_ORDER)) {
      foreach ($matches as $match) {

        // Fetch the key and value string.
        $i = 0;
        foreach (array(
          'key',
          'value1',
          'value2',
          'value3',
        ) as $var) {
          ${$var} = isset($match[++$i]) ? $match[$i] : '';
        }
        $value = stripslashes(substr($value1, 1, -1)) . stripslashes(substr($value2, 1, -1)) . $value3;

        // Parse array syntax.
        $keys = preg_split('/\\]?\\[/', rtrim($key, ']'));
        $last = array_pop($keys);
        $parent =& $info;

        // Create nested arrays.
        foreach ($keys as $key) {
          if ($key == '') {
            $key = count($parent);
          }
          if (!isset($parent[$key]) || !is_array($parent[$key])) {
            $parent[$key] = array();
          }
          $parent =& $parent[$key];
        }

        // Handle PHP constants.
        if (isset($constants[$value])) {
          $value = $constants[$value];
        }

        // Insert actual value.
        if ($last == '') {
          $last = count($parent);
        }
        $parent[$last] = $value;
      }
    }
    return $info;
  }

}

//end class

Classes

Name	Description
Drupal_Sniffs_InfoFiles_ClassFilesSniff	Checks files[] entries in info files. Only files containing classes/interfaces should be listed.