function gplib_version_check in Grammar Parser Library 7.2

Same name and namespace in other branches

1. 7 gplib.module \gplib_version_check()

Indicates whether the installed library code is of the correct version.

Parameters

boolean $display_message: Whether to display a message.

Return value

boolean Whether a valid version was found.

File

./gplib.module, line 72

Provides primary Drupal hook implementations.

Code

function gplib_version_check($display_message = TRUE) {
  $version_state = variable_get('gplib_grammar_parser_version_state', GPLIB_VERSION_UNKNOWN);
  if ($version_state == GPLIB_VERSION_VALID) {
    return TRUE;
  }
  $info = gplib_libraries_info();
  $info = $info['grammar_parser'];
  $keys = array_keys($info['versions']);
  $version = reset($keys);
  $url = l('here', $info['download url']);
  $message = t('Install version @version of the Grammar Parser library code (from !url) in a libraries directory such as "sites/all/libraries." For easy installation, use the drush make file in the Grammar Parser Library project.', array(
    '@version' => $version,
    '!url' => $url,
  ));
  if ($version_state == GPLIB_VERSION_INVALID) {
    if ($display_message) {
      drupal_set_message($message, 'error');
    }
    return FALSE;
  }
  $info = libraries_detect('grammar_parser');
  if ($info === FALSE || empty($info['version']) || !version_compare($info['version'], $version, '>=')) {
    if ($display_message) {
      drupal_set_message($message, 'error');
    }
    variable_set('gplib_grammar_parser_version_state', $info === FALSE ? GPLIB_VERSION_UNKNOWN : GPLIB_VERSION_INVALID);
    return FALSE;
  }
  variable_set('gplib_grammar_parser_version_state', GPLIB_VERSION_VALID);
  return TRUE;
}