HookInitCssSniff.php in Coder 8.2

Namespace

DrupalPractice\Sniffs\FunctionDefinitions

File

coder_sniffer/DrupalPractice/Sniffs/FunctionDefinitions/HookInitCssSniff.php

<?php

/**
 * \DrupalPractice\Sniffs\FunctionDefinitions\HookInitCssSniff.
 *
 * @category PHP
 * @package  PHP_CodeSniffer
 * @link     http://pear.php.net/package/PHP_CodeSniffer
 */
namespace DrupalPractice\Sniffs\FunctionDefinitions;

use PHP_CodeSniffer\Files\File;
use Drupal\Sniffs\Semantics\FunctionDefinition;
use DrupalPractice\Project;
use PHP_CodeSniffer\Util\Tokens;

/**
 * Checks that drupal_add_css() is not used in hook_init().
 *
 * @category PHP
 * @package  PHP_CodeSniffer
 * @link     http://pear.php.net/package/PHP_CodeSniffer
 */
class HookInitCssSniff 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) {
    $fileExtension = strtolower(substr($phpcsFile
      ->getFilename(), -6));

    // Only check in *.module files.
    if ($fileExtension !== 'module') {
      return;
    }

    // This check only applies to Drupal 7, not Drupal 6.
    if (Project::getCoreVersion($phpcsFile) !== '7.x') {
      return;
    }
    $fileName = substr(basename($phpcsFile
      ->getFilename()), 0, -7);
    $tokens = $phpcsFile
      ->getTokens();
    if ($tokens[$stackPtr]['content'] !== $fileName . '_init' && $tokens[$stackPtr]['content'] !== $fileName . '_page_build') {
      return;
    }

    // Search in the function body for drupal_add_css() calls.
    $string = $phpcsFile
      ->findNext(T_STRING, $tokens[$functionPtr]['scope_opener'], $tokens[$functionPtr]['scope_closer']);
    while ($string !== false) {
      if ($tokens[$string]['content'] === 'drupal_add_css' || $tokens[$string]['content'] === 'drupal_add_js') {
        $opener = $phpcsFile
          ->findNext(Tokens::$emptyTokens, $string + 1, null, true);
        if ($opener !== false && $tokens[$opener]['code'] === T_OPEN_PARENTHESIS) {
          if ($tokens[$stackPtr]['content'] === $fileName . '_init') {
            $warning = 'Do not use %s() in hook_init(), use #attached for CSS and JS in your page/form callback or in hook_page_build() instead';
            $phpcsFile
              ->addWarning($warning, $string, 'AddFunctionFound', array(
              $tokens[$string]['content'],
            ));
          }
          else {
            $warning = 'Do not use %s() in hook_page_build(), use #attached for CSS and JS on the $page render array instead';
            $phpcsFile
              ->addWarning($warning, $string, 'AddFunctionFoundPageBuild', array(
              $tokens[$string]['content'],
            ));
          }
        }
      }
      $string = $phpcsFile
        ->findNext(T_STRING, $string + 1, $tokens[$functionPtr]['scope_closer']);
    }

    //end while
  }

}

//end class

Classes

Name	Description
HookInitCssSniff	Checks that drupal_add_css() is not used in hook_init().