ScopeClosingBraceSniff.php in Coder 8.2

Namespace

Drupal\Sniffs\WhiteSpace

File

coder_sniffer/Drupal/Sniffs/WhiteSpace/ScopeClosingBraceSniff.php

<?php

/**
 * \Drupal\Sniffs\WhiteSpace\ScopeClosingBraceSniff.
 *
 * @category PHP
 * @package  PHP_CodeSniffer
 * @link     http://Drupal.php.net/package/PHP_CodeSniffer
 */
namespace Drupal\Sniffs\WhiteSpace;

use PHP_CodeSniffer\Files\File;
use PHP_CodeSniffer\Sniffs\Sniff;
use PHP_CodeSniffer\Util\Tokens;

/**
 * Copied from \PHP_CodeSniffer\Standards\PEAR\Sniffs\WhiteSpace\ScopeClosingBraceSniff to allow empty methods
 * and classes.
 *
 * Checks that the closing braces of scopes are aligned correctly.
 *
 * @category PHP
 * @package  PHP_CodeSniffer
 * @link     http://pear.php.net/package/PHP_CodeSniffer
 */
class ScopeClosingBraceSniff implements Sniff {

  /**
   * The number of spaces code should be indented.
   *
   * @var int
   */
  public $indent = 2;

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

  //end register()

  /**
   * Processes this test, when one of its tokens is encountered.
   *
   * @param \PHP_CodeSniffer\Files\File $phpcsFile All the tokens found in the document.
   * @param int                         $stackPtr  The position of the current token
   *                                               in the stack passed in $tokens.
   *
   * @return void
   */
  public function process(File $phpcsFile, $stackPtr) {
    $tokens = $phpcsFile
      ->getTokens();

    // If this is an inline condition (ie. there is no scope opener), then
    // return, as this is not a new scope.
    if (isset($tokens[$stackPtr]['scope_closer']) === false) {
      return;
    }
    $scopeStart = $tokens[$stackPtr]['scope_opener'];
    $scopeEnd = $tokens[$stackPtr]['scope_closer'];

    // If the scope closer doesn't think it belongs to this scope opener
    // then the opener is sharing its closer with other tokens. We only
    // want to process the closer once, so skip this one.
    if (isset($tokens[$scopeEnd]['scope_condition']) === false || $tokens[$scopeEnd]['scope_condition'] !== $stackPtr) {
      return;
    }

    // We need to actually find the first piece of content on this line,
    // because if this is a method with tokens before it (public, static etc)
    // or an if with an else before it, then we need to start the scope
    // checking from there, rather than the current token.
    $lineStart = $stackPtr - 1;
    for ($lineStart; $lineStart > 0; $lineStart--) {
      if (strpos($tokens[$lineStart]['content'], $phpcsFile->eolChar) !== false) {
        break;
      }
    }
    $lineStart++;
    $startColumn = 1;
    if ($tokens[$lineStart]['code'] === T_WHITESPACE) {
      $startColumn = $tokens[$lineStart + 1]['column'];
    }
    else {
      if ($tokens[$lineStart]['code'] === T_INLINE_HTML) {
        $trimmed = ltrim($tokens[$lineStart]['content']);
        if ($trimmed === '') {
          $startColumn = $tokens[$lineStart + 1]['column'];
        }
        else {
          $startColumn = strlen($tokens[$lineStart]['content']) - strlen($trimmed);
        }
      }
    }

    // Check that the closing brace is on it's own line.
    $lastContent = $phpcsFile
      ->findPrevious(array(
      T_WHITESPACE,
      T_INLINE_HTML,
      T_OPEN_TAG,
    ), $scopeEnd - 1, $scopeStart, true);
    if ($tokens[$lastContent]['line'] === $tokens[$scopeEnd]['line']) {

      // Only allow empty classes and methods.
      if ($tokens[$tokens[$scopeEnd]['scope_condition']]['code'] !== T_CLASS && $tokens[$tokens[$scopeEnd]['scope_condition']]['code'] !== T_INTERFACE && in_array(T_CLASS, $tokens[$scopeEnd]['conditions']) === false && in_array(T_INTERFACE, $tokens[$scopeEnd]['conditions']) === false || $tokens[$lastContent]['code'] !== T_OPEN_CURLY_BRACKET) {
        $error = 'Closing brace must be on a line by itself';
        $fix = $phpcsFile
          ->addFixableError($error, $scopeEnd, 'Line');
        if ($fix === true) {
          $phpcsFile->fixer
            ->addNewlineBefore($scopeEnd);
        }
      }
      return;
    }

    // Check now that the closing brace is lined up correctly.
    $lineStart = $scopeEnd - 1;
    for ($lineStart; $lineStart > 0; $lineStart--) {
      if (strpos($tokens[$lineStart]['content'], $phpcsFile->eolChar) !== false) {
        break;
      }
    }
    $lineStart++;
    $braceIndent = 0;
    if ($tokens[$lineStart]['code'] === T_WHITESPACE) {
      $braceIndent = $tokens[$lineStart + 1]['column'] - 1;
    }
    else {
      if ($tokens[$lineStart]['code'] === T_INLINE_HTML) {
        $trimmed = ltrim($tokens[$lineStart]['content']);
        if ($trimmed === '') {
          $braceIndent = $tokens[$lineStart + 1]['column'] - 1;
        }
        else {
          $braceIndent = strlen($tokens[$lineStart]['content']) - strlen($trimmed) - 1;
        }
      }
    }
    $fix = false;
    if ($tokens[$stackPtr]['code'] === T_CASE || $tokens[$stackPtr]['code'] === T_DEFAULT) {

      // BREAK statements should be indented n spaces from the
      // CASE or DEFAULT statement.
      $expectedIndent = $startColumn + $this->indent - 1;
      if ($braceIndent !== $expectedIndent) {
        $error = 'Case breaking statement indented incorrectly; expected %s spaces, found %s';
        $data = array(
          $expectedIndent,
          $braceIndent,
        );
        $fix = $phpcsFile
          ->addFixableError($error, $scopeEnd, 'BreakIndent', $data);
      }
    }
    else {
      $expectedIndent = $startColumn - 1;
      if ($braceIndent !== $expectedIndent) {
        $error = 'Closing brace indented incorrectly; expected %s spaces, found %s';
        $data = array(
          $expectedIndent,
          $braceIndent,
        );
        $fix = $phpcsFile
          ->addFixableError($error, $scopeEnd, 'Indent', $data);
      }
    }

    //end if
    if ($fix === true) {
      $spaces = str_repeat(' ', $expectedIndent);
      if ($braceIndent === 0) {
        $phpcsFile->fixer
          ->addContentBefore($lineStart, $spaces);
      }
      else {
        $phpcsFile->fixer
          ->replaceToken($lineStart, ltrim($tokens[$lineStart]['content']));
        $phpcsFile->fixer
          ->addContentBefore($lineStart, $spaces);
      }
    }
  }

}

//end class

Classes

Name	Description
ScopeClosingBraceSniff	Copied from \PHP_CodeSniffer\Standards\PEAR\Sniffs\WhiteSpace\ScopeClosingBraceSniff to allow empty methods and classes.