diogo
/
symfony
Archived
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

[Validator] Simplified IssnValidator

This commit is contained in:
Bernhard Schussek 2014-04-10 19:05:39 +02:00
parent 224e70f709
commit bff09f210b
1 changed files with 22 additions and 13 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

35
src/Symfony/Component/Validator/Constraints/IssnValidator.php
View File

@ -37,26 +37,35 @@ class IssnValidator extends ConstraintValidator
throw new UnexpectedTypeException($value, 'string');
}
$value = (string) $value;
// Compose regex pattern
$digitsPattern = $constraint->requireHyphen ? '\d{4}-\d{3}' : '\d{4}-?\d{3}';
$checksumPattern = $constraint->caseSensitive ? '[\d|X]' : '[\d|X|x]';
$pattern = "/^".$digitsPattern.$checksumPattern."$/";
$checkSumPattern = $constraint->caseSensitive ? '[\d|X]' : '[\d|X|x]';
$pattern = "/^".$digitsPattern.$checkSumPattern."$/";
if (!preg_match($pattern, $value)) {
$this->context->addViolation($constraint->message);
} else {
$digits = str_split(strtoupper(str_replace('-', '', $value)));
$this->context->addViolation($constraint->message, array(
'{{ value }}' => $value,
));
$sum = 0;
for ($i = 8; $i > 1; $i--) {
$sum += $i * (int) array_shift($digits);
}
return;
}
$checksum = 'X' == reset($digits) ? 10 : (int) reset($digits);
$canonical = strtoupper(str_replace('-', '', $value));
if (0 != ($sum + $checksum) % 11) {
$this->context->addViolation($constraint->message);
}
// Calculate a checksum. "X" equals 10.
$checkSum = 'X' === $canonical{7} ? 10 : $canonical{7};
for ($i = 0; $i < 7; ++$i) {
// Multiply the first digit by 8, the second by 7, etc.
$checkSum += (8-$i) * $canonical{$i};
}
if (0 !== $checkSum % 11) {
$this->context->addViolation($constraint->message, array(
'{{ value }}' => $value,
));
}
}
}