src/Gis/GisFactory.php

   1 <?php
   2 /**
   3  * Contains the factory class that handles the creation of geometric objects
   4  */
   5
   6 declare(strict_types=1);
   7
   8 namespace PhpMyAdmin\Gis;
   9
  10 use function mb_strpos;
  11 use function mb_substr;
  12 use function strtoupper;
  13
  14 /**
  15  * Factory class that handles the creation of geometric objects.
  16  */
  17 class GisFactory
  18 {
  19     /**
  20      * Returns the singleton instance of geometric class of the given type.
  21      *
  22      * @param string $type type of the geometric object
  23      *
  24      * @return GisGeometry|null the singleton instance of geometric class of the given type
  25      */
  26     public static function fromType(string $type): GisGeometry|null
  27     {
  28         return match (strtoupper($type)) {
  29             'MULTIPOLYGON' => GisMultiPolygon::singleton(),
  30             'POLYGON' => GisPolygon::singleton(),
  31             'MULTIPOINT' => GisMultiPoint::singleton(),
  32             'POINT' => GisPoint::singleton(),
  33             'MULTILINESTRING' => GisMultiLineString::singleton(),
  34             'LINESTRING' => GisLineString::singleton(),
  35             'GEOMETRYCOLLECTION' => GisGeometryCollection::singleton(),
  36             default => null,
  37         };
  38     }
  39
  40     /**
  41      * Returns the singleton instance of geometric class of the given wkt type.
  42      */
  43     public static function fromWkt(string $wkt): GisGeometry|null
  44     {
  45         $typePos = mb_strpos($wkt, '(');
  46         if ($typePos === false) {
  47             return null;
  48         }
  49
  50         $type = mb_substr($wkt, 0, $typePos);
  51
  52         return self::fromType($type);
  53     }
  54 }