function geshifilter_filter in GeSHi Filter for syntax highlighting 5

Same name and namespace in other branches

1. 5.2 geshifilter.module \geshifilter_filter()
2. 6 geshifilter.module \geshifilter_filter()

Implementation of hook_filter()

File

./geshifilter.module, line 281

Code

function geshifilter_filter($op, $delta = 0, $format = -1, $text = '') {

  //disable cache for developpement cause nocache doesn't work
  switch ($op) {
    case 'list':
      return array(
        0 => t('GeSHi filter'),
      );
    case 'description':
      return t('Allows users to post hightlighted code verbatim using &lt;blockcode type=&quot;<em>language</em>&quot;&gt; tag.');
    case 'settings':
      $lang_dir = variable_get('geshifilter_lang_dir', drupal_get_path('module', 'geshifilter') . '/geshi/geshi');

      // Find languages in the directory, we get a table where key == value
      $files = file_scan_directory($lang_dir, '\\.php$', array(
        '.',
        '..',
        'CVS',
        'geshi.php',
      ), 0, FALSE, 'name');

      //produce an associative array whit keys equal to values
      $languages = drupal_map_assoc(array_keys($files));
      uasort($languages, 'strnatcasecmp');
      $languages_select = $languages;
      $languages_select[0] = t('- DO NOT HIGHLIGHT -');
      $form['geshifilter'] = array(
        '#type' => 'fieldset',
        '#title' => t('GeSHi filter'),
      );
      $form['geshifilter']['geshifilter_inline_code_' . $format] = array(
        '#type' => 'checkbox',
        '#title' => t('Highlight inline code'),
        '#default_value' => variable_get('geshifilter_inline_code_' . $format, FALSE),
        '#description' => t('Enable highligthing for code surrounded by &lt;code&gt;...&lt;/code&gt; tags.'),
      );
      $form['geshifilter']['geshifilter_default_type_' . $format] = array(
        '#type' => 'select',
        '#title' => t('Default language'),
        '#default_value' => variable_get('geshifilter_default_type_' . $format, 0),
        '#options' => $languages_select,
        '#description' => t('Default language pattern used to highlight posted code where type=&quot;<em>language</em>&quot; param is omitted.'),
      );
      $form['geshifilter']['geshifilter_types_' . $format] = array(
        '#type' => 'checkboxes',
        '#title' => t('Allowed Languages'),
        '#default_value' => variable_get('geshifilter_types_' . $format, array()),
        '#options' => $languages,
        '#description' => t('Check every languages you want to be allowed for highlighting (i.e. usable in <em>lang</em> param).'),
      );

      //pass the format value, so filter_admin_configure_validate can know which format is being processed
      $form['geshifilter']['format'] = array(
        '#type' => 'hidden',
        '#default_value' => $format,
      );
      return $form;
    case 'prepare':
      return $text;
    case 'process':
      return _geshifilter_process_code($format, $text);
    default:
      return $text;
  }
}