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/** |
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* @file |
| * Google geocoder. |
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* Google geocoder. |
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*/ |
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| /** |
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/** |
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* Returns an XML document containing the list of countries supported by the |
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* Google geocoder. |
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* A cached version is stored in the Drupal cache in case Google is unreachable. |
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*/ |
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function google_geocode_country_list_xml() { |
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// Get the google data from the feed. |
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$source = drupal_http_request('http://spreadsheets.google.com/feeds/list/p9pdwsai2hDMsLkXsoM05KQ/default/public/values'); |
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if (!$source->data) { |
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// Use the cache. |
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$data = cache_get('location_google'); |
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if (!defined('LIBXML_VERSION') || (version_compare(phpversion(), '5.1.0', '<'))) { |
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$xml = simplexml_load_string($data->data, NULL); |
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} |
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else { |
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$xml = simplexml_load_string($data->data, NULL, LIBXML_NOERROR | LIBXML_NOWARNING); |
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} |
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} |
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else { |
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if (!defined('LIBXML_VERSION') || (version_compare(phpversion(), '5.1.0', '<'))) { |
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$xml = simplexml_load_string($source->data, NULL); |
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// Stores the XML in the cache to eventually use it later. |
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cache_set('location_google', $xml->asXML()); |
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} |
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else { |
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$xml = simplexml_load_string($source->data, NULL, LIBXML_NOERROR | LIBXML_NOWARNING); |
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// Store the XML in the cache to eventually use it later. |
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cache_set('location_google', $xml->asXML()); |
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} |
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} |
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return $xml; |
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} |
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/** |
| * Return the list of ISO3166 codes supported by this geocoder. |
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* Return the list of ISO3166 codes supported by this geocoder. |
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<> |
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| * Google now supports geocoding for all countries: |
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| * https://developers.google.com/maps/coverage |
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* Coverage list: http://gmaps-samples.googlecode.com/svn/trunk/mapcoverage_filtered.html |
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* Coverage list feed: http://spreadsheets.google.com/feeds/list/p9pdwsai2hDMsLkXsoM05KQ/default/public/values |
| */ |
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*/ |
| function google_geocode_country_list() |
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function google_geocode_country_list() |
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// Get the google data from the feed. |
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$xml = google_geocode_country_list_xml(); |
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// Loop through google data and find all valid entries. |
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$regionclean = array(); |
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foreach($xml->entry as $region) { |
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$pos = strpos($region->content, 'geocoding:') + 11; |
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$geocoding = substr($region->content, $pos, strpos($region->content, ',', $pos) - $pos); |
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if (strpos($geocoding, "Yes") !== FALSE) { |
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$regionclean[] = t(htmlentities($region->title)); |
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} |
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} |
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// Get the countries list and clean it up so that names will match to google. |
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// The regex removes parenthetical items so that both of the "Congo" entries |
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// and the "Coco Islands" work. |
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// The $countriesfixes overwrites values in the Drupal API countries list |
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// with values that will match to google's entries. |
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// "Sao Tome and Principe" are non-accented in the Drupal API so the entry |
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// here is to match the htmlentities() fix in the foreach loop below. |
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// Note: it may be neccessary to adjust/add to the fixes list in the future |
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// if google adds countries that don't match the Drupal API list for whatever |
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// reason. |
| $countries = location_get_iso3166_list(); |
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$countries = location_get_iso3166_list(); |
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$regex = "#[ (].*[)]#e"; |
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$cntryclean = preg_replace($regex, "", $countries); |
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$countriesfixes = array_merge($cntryclean, array( |
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"hk" => t("China"), |
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"mo" => t("China"), |
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"pn" => t("Pitcairn Islands"), |
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"wf" => t("Wallis Futuna"), |
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"st" => t("São Tomé and Príncipe"), |
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)); |
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// Compare new google data found to fixed country name values and return |
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// matches with abbreviations as keys. |
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$googlematched = array_intersect($countriesfixes, $regionclean); |
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// Compare new keys to original Drupal API and return the array with the |
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// original name values. |
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$fixedkeys = array_intersect_key($countries, $googlematched); |
| return array_keys($countries); |
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return array_keys($fixedkeys); |
| } |
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} |
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= |
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| /** |
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/** |
| * Return general information about this geocoder. |
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* Return general information about this geocoder. |
| */ |
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*/ |
| function google_geocode_info() |
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function google_geocode_info() |
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