function Idn::mapCodePoints

Parameters

string $input:

array<string, bool> $options:

Return value

string

See also

https://www.unicode.org/reports/tr46/#ProcessingStepMap

1 call to Idn::mapCodePoints()

Idn::process in vendor/symfony/polyfill-intl-idn/Idn.php

File

vendor/symfony/polyfill-intl-idn/Idn.php, line 272

Class

Idn

@internal

Namespace

Symfony\Polyfill\Intl\Idn

Code

private static function mapCodePoints($input, array $options, Info $info) {
    $str = '';
    $useSTD3ASCIIRules = $options['UseSTD3ASCIIRules'];
    $transitional = $options['Transitional_Processing'];
    foreach (self::utf8Decode($input) as $codePoint) {
        $data = self::lookupCodePointStatus($codePoint, $useSTD3ASCIIRules);
        switch ($data['status']) {
            case 'disallowed':
            case 'valid':
                $str .= mb_chr($codePoint, 'utf-8');
                break;
            case 'ignored':
                // Do nothing.
                break;
            case 'mapped':
                $str .= $transitional && 0x1e9e === $codePoint ? 'ss' : $data['mapping'];
                break;
            case 'deviation':
                $info->transitionalDifferent = true;
                $str .= $transitional ? $data['mapping'] : mb_chr($codePoint, 'utf-8');
                break;
        }
    }
    return $str;
}