class FormAlterDocSniff in Coder 8.3

Checks that the comment "Implements hook_form_alter()." actually matches the function signature.

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

Hierarchy

• class \Drupal\Sniffs\Semantics\FunctionDefinition implements \PHP_CodeSniffer\Sniffs\Sniff
  • class \DrupalPractice\Sniffs\FunctionDefinitions\FormAlterDocSniff

File

coder_sniffer/DrupalPractice/Sniffs/FunctionDefinitions/FormAlterDocSniff.php, line 24

Namespace

DrupalPractice\Sniffs\FunctionDefinitions

class FormAlterDocSniff extends FunctionDefinition {

  /**
   * Process this function definition.
   *
   * @param \PHP_CodeSniffer\Files\File $phpcsFile   The file being scanned.
   * @param int                         $stackPtr    The position of the function name
   *                                                 in the stack.
   * @param int                         $functionPtr The position of the function keyword
   *                                                 in the stack.
   *
   * @return void
   */
  public function processFunction(File $phpcsFile, $stackPtr, $functionPtr) {
    $tokens = $phpcsFile
      ->getTokens();
    $docCommentEnd = $phpcsFile
      ->findPrevious(T_WHITESPACE, $functionPtr - 1, null, true);

    // If there is no doc comment there is nothing we can check.
    if ($docCommentEnd === false || $tokens[$docCommentEnd]['code'] !== T_DOC_COMMENT_CLOSE_TAG) {
      return;
    }
    $commentLine = $docCommentEnd - 1;
    $commentFound = false;
    while ($tokens[$commentLine]['code'] !== T_DOC_COMMENT_OPEN_TAG) {
      if (strpos($tokens[$commentLine]['content'], 'Implements hook_form_alter().') === 0) {
        $commentFound = true;
        break;
      }
      $commentLine--;
    }
    if ($commentFound === false) {
      return;
    }
    $projectName = Project::getName($phpcsFile);
    if ($projectName === false) {
      return;
    }
    if ($tokens[$stackPtr]['content'] !== $projectName . '_form_alter') {
      $warning = 'Doc comment indicates hook_form_alter() but function signature is "%s" instead of "%s". Did you mean hook_form_FORM_ID_alter()?';
      $data = [
        $tokens[$stackPtr]['content'],
        $projectName . '_form_alter',
      ];
      $phpcsFile
        ->addWarning($warning, $commentLine, 'Different', $data);
    }
  }

}

Members

Name	Modifiers	Type	Description	Overrides
FormAlterDocSniff::processFunction	public	function	Process this function definition. Overrides FunctionDefinition::processFunction
FunctionDefinition::process	public	function	Processes this test, when one of its tokens is encountered.
FunctionDefinition::register	public	function	Returns an array of tokens this test wants to listen for.