public function Kml::decode in farmOS 2.x

Overrides XmlEncoder::decode

File

modules/core/kml/src/Encoder/Kml.php, line 52

Class

Kml

Provides a KML encoder that extends from the XML encoder.

Namespace

Drupal\farm_kml\Encoder

Code

public function decode($data, $format, array $context = []) {

  // Start an array of decoded placemark data.
  $decoded_placemarks = [];

  // Build an XML object.
  $xml = simplexml_load_string($data);

  // If empty, or failed to parse, bail.
  if (empty($xml)) {
    return $decoded_placemarks;
  }

  // Determine the root. Sometimes it is "Document".
  $root = $xml;
  if (isset($xml->Document)) {
    $root = $xml->Document;
  }

  // Start an array of placemarks to decode.
  $placemarks = [];

  // If the KML is organized into folders, iterate through them.
  if (isset($root->Folder)) {
    foreach ($root->Folder as $folder) {
      if (isset($folder->Placemark)) {
        foreach ($folder->Placemark as $placemark) {
          $placemarks[] = $placemark;
        }
      }
    }
  }

  // Also check the root for any placemarks.
  if (isset($root->Placemark)) {
    foreach ($root->Placemark as $placemark) {
      $placemarks[] = $placemark;
    }
  }

  // Decode each placemark into an array.
  // Include the individual placemark as an XML string.
  foreach ($placemarks as $placemark) {
    $geometry = (array) $placemark;
    $geometry['xml'] = $placemark
      ->asXML();
    $decoded_placemarks[] = $geometry;
  }
  return $decoded_placemarks;
}