function _svg_embed_extract in SVG Embed 7

Helper function to find all strings and all their existing translations, prepared to export all to a po file.

Parameters

SimpleXMLElement $xml: the svg graphic code

array $strings: array containing all strings and translations

1 call to _svg_embed_extract()

svg_embed_manage_po_files in ./svg_embed.module

Form to download and upload PO files for embedded SVG files.

File

./svg_embed.module, line 361

SVG Embed. Provides a filter for text formats that includes and on the fly translates SVG files into text fields.

Code

function _svg_embed_extract($xml, &$strings) {
  $all_languages = language_list('enabled');
  $languages = array_shift($all_languages);
  foreach ($xml as $child) {
    _svg_embed_extract($child, $strings);
    if (isset($child->text) || isset($child->tspan)) {
      if (isset($child->text->tspan)) {
        $text = $child->text->tspan;
      }
      elseif (isset($child->tspan)) {
        $text = $child->tspan;
      }
      else {
        $text = $child->text;
      }
      $i = 0;
      while (TRUE) {
        $string = (string) $text[$i];
        if (empty($string)) {
          break;
        }
        $string = trim($string);
        if (!empty($string)) {
          if (empty($strings[$string])) {
            $strings[$string] = array();
            foreach ($languages as $langcode => $language) {
              $strings[$string][$langcode] = '';
            }
            $query = db_select('locales_source', 's');
            $query
              ->leftJoin('locales_target', 't', 's.lid = t.lid');
            $translations = $query
              ->fields('t', array(
              'translation',
              'language',
            ))
              ->condition('s.source', $string)
              ->condition('s.textgroup', 'svg_embed')
              ->condition('t.language', 'en', '<>')
              ->execute()
              ->fetchAll();
            foreach ($translations as $translation) {
              $strings[$string][$translation->language] = $translation->translation;
            }
          }
        }
        $i++;
      }
    }
  }
}