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class Drupal_Sniffs_Semantics_ConstantNameSniff in Coder 7.2

Checks that constants introduced with define() in module files start with the module's name.

@category PHP @package PHP_CodeSniffer @link http://pear.php.net/package/PHP_CodeSniffer

Hierarchy

Expanded class hierarchy of Drupal_Sniffs_Semantics_ConstantNameSniff

File

coder_sniffer/Drupal/Sniffs/Semantics/ConstantNameSniff.php, line 20

View source
class Drupal_Sniffs_Semantics_ConstantNameSniff extends Drupal_Sniffs_Semantics_FunctionCall {

  /**
   * Returns an array of function names this test wants to listen for.
   *
   * @return array
   */
  public function registerFunctionNames() {
    return array(
      'define',
    );
  }

  //end registerFunctionNames()

  /**
   * Processes this function call.
   *
   * @param PHP_CodeSniffer_File $phpcsFile
   *   The file being scanned.
   * @param int $stackPtr
   *   The position of the function call in the stack.
   * @param int $openBracket
   *   The position of the opening parenthesis in the stack.
   * @param int $closeBracket
   *   The position of the closing parenthesis in the stack.
   * @param Drupal_Sniffs_Semantics_FunctionCallSniff $sniff
   *   Can be used to retreive the function's arguments with the getArgument()
   *   method.
   *
   * @return void
   */
  public function processFunctionCall(PHP_CodeSniffer_File $phpcsFile, $stackPtr, $openBracket, $closeBracket, Drupal_Sniffs_Semantics_FunctionCallSniff $sniff) {
    $fileExtension = strtolower(substr($phpcsFile
      ->getFilename(), -6));

    // Only check in *.module files.
    if ($fileExtension !== 'module') {
      return;
    }
    $tokens = $phpcsFile
      ->getTokens();
    $argument = $sniff
      ->getArgument(1);
    if ($tokens[$argument['start']]['code'] !== T_CONSTANT_ENCAPSED_STRING) {

      // Not a string literal, so this is some obscure constant that we ignore.
      return;
    }
    $moduleName = substr(basename($phpcsFile
      ->getFilename()), 0, -7);
    $expectedStart = strtoupper($moduleName);

    // Remove the quotes around the string litral.
    $constant = substr($tokens[$argument['start']]['content'], 1, -1);
    if (strpos($constant, $expectedStart) !== 0) {
      $warning = 'All constants defined by a module must be prefixed with the module\'s name, expected "%s" but found "%s"';
      $data = array(
        $expectedStart . "_{$constant}",
        $constant,
      );
      $phpcsFile
        ->addWarning($warning, $stackPtr, 'ConstantStart', $data);
    }
  }

}

Members

Namesort descending Modifiers Type Description Overrides
Drupal_Sniffs_Semantics_ConstantNameSniff::processFunctionCall public function Processes this function call. Overrides Drupal_Sniffs_Semantics_FunctionCall::processFunctionCall
Drupal_Sniffs_Semantics_ConstantNameSniff::registerFunctionNames public function Returns an array of function names this test wants to listen for.
Drupal_Sniffs_Semantics_FunctionCall::process public function Processes this test, when one of its tokens is encountered.
Drupal_Sniffs_Semantics_FunctionCall::register public function Returns an array of tokens this test wants to listen for.