ckeditor_codemirror.install in CKEditor CodeMirror 8

Install, update and uninstall functions for the CKEditor CodeMirror module.

File

ckeditor_codemirror.install

<?php

/**
 * @file
 * Install, update and uninstall functions for the CKEditor CodeMirror module.
 */

/**
 * Implements hook_requirements().
 */
function ckeditor_codemirror_requirements($phase) {
  if ($phase != 'runtime') {
    return FALSE;
  }
  $return = [];

  // If the library is installed.
  $library_path = _ckeditor_codemirror_get_library_path();
  if (file_exists(DRUPAL_ROOT . '/' . $library_path . '/codemirror/plugin.js')) {
    $return['ckeditor_codemirror_library'] = [
      'title' => t('CKEditor CodeMirror'),
      'severity' => REQUIREMENT_OK,
      'value' => t('CKEditor CodeMirror plugin version %version installed at %path.', [
        '%path' => base_path() . $library_path,
        '%version' => _ckeditor_codemirror_get_version(),
      ]),
    ];
  }
  else {
    $return['ckeditor_codemirror_library'] = [
      'title' => t('CKEditor CodeMirror'),
      'severity' => REQUIREMENT_ERROR,
      'value' => t('CKEditor CodeMirror plugin was not found. Download <a href=":link">the latest version of library</a>
        and place it in the libraries directory (/libraries/ckeditor.codemirror).', [
        ':link' => 'https://github.com/w8tcha/CKEditor-CodeMirror-Plugin/releases',
      ]),
    ];
  }
  return $return;
}

/**
 * Gets the version information for the ckeditor_codemirror library.
 *
 * @return string
 *   A string containing the version of the library or empty if the version
 *   cannot be found.
 */
function _ckeditor_codemirror_get_version() {

  // Provide defaults.
  $options = [
    'file' => 'plugin.js',
    'pattern' => '@version:\\s*\'?([0-9a-zA-Z\\.-]+)\'?@',
    'lines' => 20,
    'cols' => 200,
  ];
  $version = '';
  $library_path = _ckeditor_codemirror_get_library_path();
  $file = DRUPAL_ROOT . '/' . $library_path . '/codemirror/' . $options['file'];
  if (!empty($options['file']) && file_exists($file)) {
    $file = fopen($file, 'r');
    while ($options['lines'] && ($line = fgets($file, $options['cols']))) {
      if (preg_match($options['pattern'], $line, $version)) {
        break;
      }
      $options['lines']--;
    }
    fclose($file);
  }
  return $version[1];
}

Functions

Name	Description
ckeditor_codemirror_requirements	Implements hook_requirements().
_ckeditor_codemirror_get_version	Gets the version information for the ckeditor_codemirror library.