/**
* @covers \Fisharebest\LibGedcom\Encodings\EncodingHelper::g
*/
public function testUtf16MagicStrings()
{
$encoding_helper = new EncodingHelper();
foreach ($encoding_helper->utf16MagicStrings() as $key => $value) {
$this->assertTrue(is_string($key));
$this->assertInstanceOf(AbstractEncodingUtf::class, $value);
$convert = $value->toUtf8($key);
$this->assertRegExp('/^(|0 HEAD)$/', $convert);
}
}
/**
* @param string $gedcom_record
*
* @return EncodingInterface
*/
private function detectEncodingFromHeader(string $gedcom_record) : EncodingInterface
{
$encoding_helper = new EncodingHelper();
// UTF encodings are unambiguous
foreach ($encoding_helper->utf16MagicStrings() as $magic_string => $encoding) {
if (substr_compare($gedcom_record, $magic_string, 0, strlen($magic_string)) === 0) {
$this->logger->info(self::CHARSET_DETECTED, [$encoding::ENCODING_NAME]);
return $encoding;
}
}
// Use a very loose interpretation of GEDCOM, as this data is not yet normalized.
preg_match('/^\\s*0+\\s*HEAD(?:ER)?[^\\r\\n]*' . '(?:[\\r\\n]\\s*0*[1-9] [^\\r\\n]*)*' . '(?:[\\r\\n]\\s*0*1 CHAR(?:ACTER)? (?P<CHAR>[^\\r\\n]*))' . '(?:[\\r\\n]\\s*0*2 TYPE (?P<TYPE>[^\\r\\n]*))?' . '/', $gedcom_record, $match);
$char = trim(strtoupper($match['CHAR'] ?? ''));
$type = trim(strtoupper($match['TYPE'] ?? ''));
if ($type !== '') {
$char .= '/' . $type;
}
foreach ($encoding_helper->characterSetsEncodings() as $character_sets_encoding) {
list($character_sets, $encoding) = $character_sets_encoding;
if (in_array($char, $character_sets)) {
if ($char === $encoding::ENCODING_NAME) {
$this->logger->info(self::CHARSET_DETECTED, [$char]);
} else {
$this->logger->error(self::CHARSET_INVALID, [$char]);
$this->logger->notice(self::CHARSET_ASSUMED, [$encoding::ENCODING_NAME]);
}
return $encoding;
}
}
if ($char === '') {
$this->logger->error(self::CHARSET_MISSING);
} else {
$this->logger->error(self::CHARSET_INVALID, [$char]);
}
$this->logger->notice(self::CHARSET_ASSUMED, [AsciiEncoding::ENCODING_NAME]);
return new AsciiEncoding();
}
