You are here

TxtFileLineLengthSniff.php in Coder 8.3.x

File

coder_sniffer/Drupal/Sniffs/Files/TxtFileLineLengthSniff.php
View source
<?php

/**
 * \Drupal\Sniffs\Files\TxtFileLineLengthSniff.
 *
 * @category PHP
 * @package  PHP_CodeSniffer
 * @link     http://pear.php.net/package/PHP_CodeSniffer
 */
namespace Drupal\Sniffs\Files;

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

/**
 * \Drupal\Sniffs\Files\TxtFileLineLengthSniff.
 *
 * Checks all lines in a *.txt or *.md file and throws warnings if they are over 80
 * characters in length.
 *
 * @category PHP
 * @package  PHP_CodeSniffer
 * @link     http://pear.php.net/package/PHP_CodeSniffer
 */
class TxtFileLineLengthSniff implements Sniff {

  /**
   * Returns an array of tokens this test wants to listen for.
   *
   * @return array<int|string>
   */
  public function register() {
    return [
      T_INLINE_HTML,
    ];
  }

  //end register()

  /**
   * Processes this test, when one of its tokens is encountered.
   *
   * @param \PHP_CodeSniffer\Files\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(File $phpcsFile, $stackPtr) {
    $fileExtension = strtolower(substr($phpcsFile
      ->getFilename(), -3));
    if ($fileExtension === 'txt' || $fileExtension === '.md') {
      $tokens = $phpcsFile
        ->getTokens();
      $content = rtrim($tokens[$stackPtr]['content']);
      $lineLength = mb_strlen($content, 'UTF-8');
      if ($lineLength > 80) {

        // Often text files contain long URLs that need to be preceded
        // with certain textual elements that are significant for
        // preserving the formatting of the document - e.g. a long link
        // in a bulleted list. If we find that the line does not contain
        // any spaces after the 40th character we'll allow it.
        if (preg_match('/\\s+/', mb_substr($content, 40)) === 0) {
          return;
        }

        // Lines without spaces are allowed to be longer.
        // Markdown allowed to be longer for lines
        // - without spaces
        // - starting with #
        // - starting with | (tables)
        // - containing a link.
        if (preg_match('/^([^ ]+$|#|\\||.*\\[.+\\]\\(.+\\))/', $content) === 0) {
          $data = [
            80,
            $lineLength,
          ];
          $warning = 'Line exceeds %s characters; contains %s characters';
          $phpcsFile
            ->addWarning($warning, $stackPtr, 'TooLong', $data);
        }
      }

      //end if
    }

    //end if
  }

}

//end class