static function _get_record($gi, $ipnum, AnattaDesign_AwesomeCheckout_Model_GeoIP_Core $geoip)
{
$seek_country = $geoip->_geoip_seek_country($gi, $ipnum);
if ($seek_country == $gi->databaseSegments) {
return NULL;
}
// workaround php's broken substr, strpos, etc handling with
// mbstring.func_overload and mbstring.internal_encoding
$enc = mb_internal_encoding();
mb_internal_encoding('ISO-8859-1');
$record_pointer = $seek_country + (2 * $gi->record_length - 1) * $gi->databaseSegments;
if ($gi->flags & AnattaDesign_AwesomeCheckout_Model_GeoIP_Core::GEOIP_MEMORY_CACHE) {
$record_buf = substr($gi->memory_buffer, $record_pointer, self::FULL_RECORD_LENGTH);
} elseif ($gi->flags & AnattaDesign_AwesomeCheckout_Model_GeoIP_Core::GEOIP_SHARED_MEMORY) {
$record_buf = @shmop_read($gi->shmid, $record_pointer, self::FULL_RECORD_LENGTH);
} else {
fseek($gi->filehandle, $record_pointer, SEEK_SET);
$record_buf = fread($gi->filehandle, self::FULL_RECORD_LENGTH);
}
$record = new GeoIp_Record();
$record_buf_pos = 0;
$char = ord(substr($record_buf, $record_buf_pos, 1));
$record->country_code = $gi->GEOIP_COUNTRY_CODES[$char];
$record->country_code3 = $gi->GEOIP_COUNTRY_CODES3[$char];
$record->country_name = $gi->GEOIP_COUNTRY_NAMES[$char];
$record->continent_code = $gi->GEOIP_CONTINENT_CODES[$char];
$record_buf_pos++;
$str_length = 0;
// Get region
$char = ord(substr($record_buf, $record_buf_pos + $str_length, 1));
while ($char != 0) {
$str_length++;
$char = ord(substr($record_buf, $record_buf_pos + $str_length, 1));
}
if ($str_length > 0) {
$record->region = substr($record_buf, $record_buf_pos, $str_length);
}
$record_buf_pos += $str_length + 1;
$str_length = 0;
// Get city
$char = ord(substr($record_buf, $record_buf_pos + $str_length, 1));
while ($char != 0) {
$str_length++;
$char = ord(substr($record_buf, $record_buf_pos + $str_length, 1));
}
if ($str_length > 0) {
$record->city = substr($record_buf, $record_buf_pos, $str_length);
}
$record_buf_pos += $str_length + 1;
$str_length = 0;
// Get postal code
$char = ord(substr($record_buf, $record_buf_pos + $str_length, 1));
while ($char != 0) {
$str_length++;
$char = ord(substr($record_buf, $record_buf_pos + $str_length, 1));
}
if ($str_length > 0) {
$record->postal_code = substr($record_buf, $record_buf_pos, $str_length);
}
$record_buf_pos += $str_length + 1;
$str_length = 0;
// Get latitude and longitude
$latitude = 0;
$longitude = 0;
for ($j = 0; $j < 3; ++$j) {
$char = ord(substr($record_buf, $record_buf_pos++, 1));
$latitude += $char << $j * 8;
}
$record->latitude = $latitude / 10000 - 180;
for ($j = 0; $j < 3; ++$j) {
$char = ord(substr($record_buf, $record_buf_pos++, 1));
$longitude += $char << $j * 8;
}
$record->longitude = $longitude / 10000 - 180;
if (AnattaDesign_AwesomeCheckout_Model_GeoIP_Core::GEOIP_CITY_EDITION_REV1 == $gi->databaseType) {
$metroarea_combo = 0;
if ($record->country_code == "US") {
for ($j = 0; $j < 3; ++$j) {
$char = ord(substr($record_buf, $record_buf_pos++, 1));
$metroarea_combo += $char << $j * 8;
}
$record->metro_code = $record->dma_code = floor($metroarea_combo / 1000);
$record->area_code = $metroarea_combo % 1000;
}
}
mb_internal_encoding($enc);
return $record;
}
