location.georss.inc in Location 5.3

GeoRSS support for Location.

File

location.georss.inc

<?php

/**
 * @file
 * GeoRSS support for Location.
 */

/**
 * @function
 * Return an array of RSS items for a location.
 */
function _location_rss_item($location, $mode = 'simple') {
  $ret = FALSE;
  if (location_has_coordinates($location, TRUE)) {
    switch ($mode) {

      // W3C Basic Geo Vocabulary
      case 'w3c':
        $ret = array(
          'key' => 'geo:Point',
          'namespace' => array(
            'geo' => 'xmlns:geo="http://www.w3.org/2003/01/geo/wgs84_pos#"',
          ),
          'value' => array(
            array(
              'key' => 'geo:lat',
              'value' => $location['latitude'],
            ),
            array(
              'key' => 'geo:long',
              'value' => $location['longitude'],
            ),
          ),
        );
        break;

      // Location 1.x-2.x bug compatible.
      // W3C Basic Geo Vocabulary with a misspelled longitude tag.
      case 'w3c_bugcompat':
        $ret = array(
          'key' => 'geo:Point',
          'namespace' => array(
            'geo' => 'xmlns:geo="http://www.w3.org/2003/01/geo/wgs84_pos#"',
          ),
          'value' => array(
            array(
              'key' => 'geo:lat',
              'value' => $location['latitude'],
            ),
            array(
              'key' => 'geo:lon',
              'value' => $location['longitude'],
            ),
          ),
        );
        break;

      // GeoRSS-Simple
      case 'simple':
        $ret = array(
          'key' => 'georss:point',
          'namespace' => array(
            'georss' => 'xmlns:georss="http://www.georss.org/georss"',
          ),
          'value' => "{$location['latitude']} {$location['longitude']}",
        );
        break;

      //
      case 'gml':
        $ret = array(
          'key' => 'georss:where',
          'namespace' => array(
            'georss' => 'xmlns:georss="http://www.georss.org/georss"',
            'gml' => 'xmlns:gml="http://www.opengis.net/gml"',
          ),
          'value' => array(
            'gml:Point' => array(
              'gml:pos' => "{$location['latitude']} {$location['longitude']}",
            ),
          ),
        );
        break;
    }
  }
  return $ret;
}

Functions

Name	Description
_location_rss_item	@function Return an array of RSS items for a location.