function _geshifilter_replace_callback in GeSHi Filter for syntax highlighting 5.2

Same name and namespace in other branches

1. 6 geshifilter.pages.inc \_geshifilter_replace_callback()
2. 7 geshifilter.pages.inc \_geshifilter_replace_callback()

preg_replace_callback callback

File

./geshifilter.pages.inc, line 214

Code

function _geshifilter_replace_callback($match, $format) {

  // $match[0]: complete matched string
  // $match[1]: tag name
  // $match[2]: tag attributes
  // $match[3]: tag content
  $complete_match = $match[0];
  $tag_name = $match[1];
  $tag_attributes = $match[2];
  $source_code = $match[3];

  // Undo linebreak and escaping from preparation phase.
  $source_code = decode_entities($source_code);

  // Initialize to default settings.
  $lang = variable_get('geshifilter_default_highlighting', GESHIFILTER_DEFAULT_PLAINTEXT);
  $line_numbering = variable_get('geshifilter_default_line_numbering', GESHIFILTER_LINE_NUMBERS_DEFAULT_NONE);
  $linenumbers_start = 1;

  // Determine language based on tag name if possible.
  list($generic_code_tags, $language_tags, $tag_to_lang) = _geshifilter_get_tags($format);
  if (variable_get('geshifilter_enable_php_delimiters', FALSE)) {
    $language_tags[] = 'questionmarkphp';
    $tag_to_lang['questionmarkphp'] = 'php';
  }
  if (isset($tag_to_lang[$tag_name])) {
    $lang = $tag_to_lang[$tag_name];
  }

  // Get additional settings from the tag attributes.
  $settings = _geshifilter_parse_attributes($tag_attributes, $format);
  if (isset($settings['language'])) {
    $lang = $settings['language'];
  }
  if (isset($settings['line_numbering'])) {
    $line_numbering = $settings['line_numbering'];
  }
  if (isset($settings['linenumbers_start'])) {
    $linenumbers_start = $settings['linenumbers_start'];
  }
  if ($lang == GESHIFILTER_DEFAULT_DONOTHING) {

    // Do nothing, and return the original.
    return $complete_match;
  }
  if ($lang == GESHIFILTER_DEFAULT_PLAINTEXT) {

    // Use plain text 'highlighting'
    $lang = 'text';
  }
  $inline_mode = strpos($source_code, "\n") === FALSE;

  // process and return
  return geshifilter_process($source_code, $lang, $line_numbering, $linenumbers_start, $inline_mode);
}