home/alospiesjs/www/apis/youtube/vendor/symfony/polyfill-intl-idn/Idn.php000060400000073263151155043500022724 0ustar00 and Trevor Rowbotham * * For the full copyright and license information, please view the LICENSE * file that was distributed with this source code. */ namespace Symfony\Polyfill\Intl\Idn; use Exception; use Normalizer; use Symfony\Polyfill\Intl\Idn\Resources\unidata\DisallowedRanges; use Symfony\Polyfill\Intl\Idn\Resources\unidata\Regex; /** * @see https://www.unicode.org/reports/tr46/ * * @internal */ final class Idn { public const ERROR_EMPTY_LABEL = 1; public const ERROR_LABEL_TOO_LONG = 2; public const ERROR_DOMAIN_NAME_TOO_LONG = 4; public const ERROR_LEADING_HYPHEN = 8; public const ERROR_TRAILING_HYPHEN = 0x10; public const ERROR_HYPHEN_3_4 = 0x20; public const ERROR_LEADING_COMBINING_MARK = 0x40; public const ERROR_DISALLOWED = 0x80; public const ERROR_PUNYCODE = 0x100; public const ERROR_LABEL_HAS_DOT = 0x200; public const ERROR_INVALID_ACE_LABEL = 0x400; public const ERROR_BIDI = 0x800; public const ERROR_CONTEXTJ = 0x1000; public const ERROR_CONTEXTO_PUNCTUATION = 0x2000; public const ERROR_CONTEXTO_DIGITS = 0x4000; public const INTL_IDNA_VARIANT_2003 = 0; public const INTL_IDNA_VARIANT_UTS46 = 1; public const IDNA_DEFAULT = 0; public const IDNA_ALLOW_UNASSIGNED = 1; public const IDNA_USE_STD3_RULES = 2; public const IDNA_CHECK_BIDI = 4; public const IDNA_CHECK_CONTEXTJ = 8; public const IDNA_NONTRANSITIONAL_TO_ASCII = 16; public const IDNA_NONTRANSITIONAL_TO_UNICODE = 32; public const MAX_DOMAIN_SIZE = 253; public const MAX_LABEL_SIZE = 63; public const BASE = 36; public const TMIN = 1; public const TMAX = 26; public const SKEW = 38; public const DAMP = 700; public const INITIAL_BIAS = 72; public const INITIAL_N = 128; public const DELIMITER = '-'; public const MAX_INT = 2147483647; /** * Contains the numeric value of a basic code point (for use in representing integers) in the * range 0 to BASE-1, or -1 if b is does not represent a value. * * @var array */ private static $basicToDigit = [ -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, -1, -1, -1, -1, -1, -1, -1, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, -1, -1, -1, -1, -1, -1, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, ]; /** * @var array */ private static $virama; /** * @var array */ private static $mapped; /** * @var array */ private static $ignored; /** * @var array */ private static $deviation; /** * @var array */ private static $disallowed; /** * @var array */ private static $disallowed_STD3_mapped; /** * @var array */ private static $disallowed_STD3_valid; /** * @var bool */ private static $mappingTableLoaded = false; /** * @see https://www.unicode.org/reports/tr46/#ToASCII * * @param string $domainName * @param int $options * @param int $variant * @param array $idna_info * * @return string|false */ public static function idn_to_ascii($domainName, $options = self::IDNA_DEFAULT, $variant = self::INTL_IDNA_VARIANT_UTS46, &$idna_info = []) { if (\PHP_VERSION_ID >= 70200 && self::INTL_IDNA_VARIANT_2003 === $variant) { @trigger_error('idn_to_ascii(): INTL_IDNA_VARIANT_2003 is deprecated', \E_USER_DEPRECATED); } $options = [ 'CheckHyphens' => true, 'CheckBidi' => self::INTL_IDNA_VARIANT_2003 === $variant || 0 !== ($options & self::IDNA_CHECK_BIDI), 'CheckJoiners' => self::INTL_IDNA_VARIANT_UTS46 === $variant && 0 !== ($options & self::IDNA_CHECK_CONTEXTJ), 'UseSTD3ASCIIRules' => 0 !== ($options & self::IDNA_USE_STD3_RULES), 'Transitional_Processing' => self::INTL_IDNA_VARIANT_2003 === $variant || 0 === ($options & self::IDNA_NONTRANSITIONAL_TO_ASCII), 'VerifyDnsLength' => true, ]; $info = new Info(); $labels = self::process((string) $domainName, $options, $info); foreach ($labels as $i => $label) { // Only convert labels to punycode that contain non-ASCII code points if (1 === preg_match('/[^\x00-\x7F]/', $label)) { try { $label = 'xn--'.self::punycodeEncode($label); } catch (Exception $e) { $info->errors |= self::ERROR_PUNYCODE; } $labels[$i] = $label; } } if ($options['VerifyDnsLength']) { self::validateDomainAndLabelLength($labels, $info); } $idna_info = [ 'result' => implode('.', $labels), 'isTransitionalDifferent' => $info->transitionalDifferent, 'errors' => $info->errors, ]; return 0 === $info->errors ? $idna_info['result'] : false; } /** * @see https://www.unicode.org/reports/tr46/#ToUnicode * * @param string $domainName * @param int $options * @param int $variant * @param array $idna_info * * @return string|false */ public static function idn_to_utf8($domainName, $options = self::IDNA_DEFAULT, $variant = self::INTL_IDNA_VARIANT_UTS46, &$idna_info = []) { if (\PHP_VERSION_ID >= 70200 && self::INTL_IDNA_VARIANT_2003 === $variant) { @trigger_error('idn_to_utf8(): INTL_IDNA_VARIANT_2003 is deprecated', \E_USER_DEPRECATED); } $info = new Info(); $labels = self::process((string) $domainName, [ 'CheckHyphens' => true, 'CheckBidi' => self::INTL_IDNA_VARIANT_2003 === $variant || 0 !== ($options & self::IDNA_CHECK_BIDI), 'CheckJoiners' => self::INTL_IDNA_VARIANT_UTS46 === $variant && 0 !== ($options & self::IDNA_CHECK_CONTEXTJ), 'UseSTD3ASCIIRules' => 0 !== ($options & self::IDNA_USE_STD3_RULES), 'Transitional_Processing' => self::INTL_IDNA_VARIANT_2003 === $variant || 0 === ($options & self::IDNA_NONTRANSITIONAL_TO_UNICODE), ], $info); $idna_info = [ 'result' => implode('.', $labels), 'isTransitionalDifferent' => $info->transitionalDifferent, 'errors' => $info->errors, ]; return 0 === $info->errors ? $idna_info['result'] : false; } /** * @param string $label * * @return bool */ private static function isValidContextJ(array $codePoints, $label) { if (!isset(self::$virama)) { self::$virama = require __DIR__.\DIRECTORY_SEPARATOR.'Resources'.\DIRECTORY_SEPARATOR.'unidata'.\DIRECTORY_SEPARATOR.'virama.php'; } $offset = 0; foreach ($codePoints as $i => $codePoint) { if (0x200C !== $codePoint && 0x200D !== $codePoint) { continue; } if (!isset($codePoints[$i - 1])) { return false; } // If Canonical_Combining_Class(Before(cp)) .eq. Virama Then True; if (isset(self::$virama[$codePoints[$i - 1]])) { continue; } // If RegExpMatch((Joining_Type:{L,D})(Joining_Type:T)*\u200C(Joining_Type:T)*(Joining_Type:{R,D})) Then // True; // Generated RegExp = ([Joining_Type:{L,D}][Joining_Type:T]*\u200C[Joining_Type:T]*)[Joining_Type:{R,D}] if (0x200C === $codePoint && 1 === preg_match(Regex::ZWNJ, $label, $matches, \PREG_OFFSET_CAPTURE, $offset)) { $offset += \strlen($matches[1][0]); continue; } return false; } return true; } /** * @see https://www.unicode.org/reports/tr46/#ProcessingStepMap * * @param string $input * @param array $options * * @return string */ private static function mapCodePoints($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': $info->errors |= self::ERROR_DISALLOWED; // no break. case 'valid': $str .= mb_chr($codePoint, 'utf-8'); break; case 'ignored': // Do nothing. break; case 'mapped': $str .= $data['mapping']; break; case 'deviation': $info->transitionalDifferent = true; $str .= ($transitional ? $data['mapping'] : mb_chr($codePoint, 'utf-8')); break; } } return $str; } /** * @see https://www.unicode.org/reports/tr46/#Processing * * @param string $domain * @param array $options * * @return array */ private static function process($domain, array $options, Info $info) { // If VerifyDnsLength is not set, we are doing ToUnicode otherwise we are doing ToASCII and // we need to respect the VerifyDnsLength option. $checkForEmptyLabels = !isset($options['VerifyDnsLength']) || $options['VerifyDnsLength']; if ($checkForEmptyLabels && '' === $domain) { $info->errors |= self::ERROR_EMPTY_LABEL; return [$domain]; } // Step 1. Map each code point in the domain name string $domain = self::mapCodePoints($domain, $options, $info); // Step 2. Normalize the domain name string to Unicode Normalization Form C. if (!Normalizer::isNormalized($domain, Normalizer::FORM_C)) { $domain = Normalizer::normalize($domain, Normalizer::FORM_C); } // Step 3. Break the string into labels at U+002E (.) FULL STOP. $labels = explode('.', $domain); $lastLabelIndex = \count($labels) - 1; // Step 4. Convert and validate each label in the domain name string. foreach ($labels as $i => $label) { $validationOptions = $options; if ('xn--' === substr($label, 0, 4)) { try { $label = self::punycodeDecode(substr($label, 4)); } catch (Exception $e) { $info->errors |= self::ERROR_PUNYCODE; continue; } $validationOptions['Transitional_Processing'] = false; $labels[$i] = $label; } self::validateLabel($label, $info, $validationOptions, $i > 0 && $i === $lastLabelIndex); } if ($info->bidiDomain && !$info->validBidiDomain) { $info->errors |= self::ERROR_BIDI; } // Any input domain name string that does not record an error has been successfully // processed according to this specification. Conversely, if an input domain_name string // causes an error, then the processing of the input domain_name string fails. Determining // what to do with error input is up to the caller, and not in the scope of this document. return $labels; } /** * @see https://tools.ietf.org/html/rfc5893#section-2 * * @param string $label */ private static function validateBidiLabel($label, Info $info) { if (1 === preg_match(Regex::RTL_LABEL, $label)) { $info->bidiDomain = true; // Step 1. The first character must be a character with Bidi property L, R, or AL. // If it has the R or AL property, it is an RTL label if (1 !== preg_match(Regex::BIDI_STEP_1_RTL, $label)) { $info->validBidiDomain = false; return; } // Step 2. In an RTL label, only characters with the Bidi properties R, AL, AN, EN, ES, // CS, ET, ON, BN, or NSM are allowed. if (1 === preg_match(Regex::BIDI_STEP_2, $label)) { $info->validBidiDomain = false; return; } // Step 3. In an RTL label, the end of the label must be a character with Bidi property // R, AL, EN, or AN, followed by zero or more characters with Bidi property NSM. if (1 !== preg_match(Regex::BIDI_STEP_3, $label)) { $info->validBidiDomain = false; return; } // Step 4. In an RTL label, if an EN is present, no AN may be present, and vice versa. if (1 === preg_match(Regex::BIDI_STEP_4_AN, $label) && 1 === preg_match(Regex::BIDI_STEP_4_EN, $label)) { $info->validBidiDomain = false; return; } return; } // We are a LTR label // Step 1. The first character must be a character with Bidi property L, R, or AL. // If it has the L property, it is an LTR label. if (1 !== preg_match(Regex::BIDI_STEP_1_LTR, $label)) { $info->validBidiDomain = false; return; } // Step 5. In an LTR label, only characters with the Bidi properties L, EN, // ES, CS, ET, ON, BN, or NSM are allowed. if (1 === preg_match(Regex::BIDI_STEP_5, $label)) { $info->validBidiDomain = false; return; } // Step 6.In an LTR label, the end of the label must be a character with Bidi property L or // EN, followed by zero or more characters with Bidi property NSM. if (1 !== preg_match(Regex::BIDI_STEP_6, $label)) { $info->validBidiDomain = false; return; } } /** * @param array $labels */ private static function validateDomainAndLabelLength(array $labels, Info $info) { $maxDomainSize = self::MAX_DOMAIN_SIZE; $length = \count($labels); // Number of "." delimiters. $domainLength = $length - 1; // If the last label is empty and it is not the first label, then it is the root label. // Increase the max size by 1, making it 254, to account for the root label's "." // delimiter. This also means we don't need to check the last label's length for being too // long. if ($length > 1 && '' === $labels[$length - 1]) { ++$maxDomainSize; --$length; } for ($i = 0; $i < $length; ++$i) { $bytes = \strlen($labels[$i]); $domainLength += $bytes; if ($bytes > self::MAX_LABEL_SIZE) { $info->errors |= self::ERROR_LABEL_TOO_LONG; } } if ($domainLength > $maxDomainSize) { $info->errors |= self::ERROR_DOMAIN_NAME_TOO_LONG; } } /** * @see https://www.unicode.org/reports/tr46/#Validity_Criteria * * @param string $label * @param array $options * @param bool $canBeEmpty */ private static function validateLabel($label, Info $info, array $options, $canBeEmpty) { if ('' === $label) { if (!$canBeEmpty && (!isset($options['VerifyDnsLength']) || $options['VerifyDnsLength'])) { $info->errors |= self::ERROR_EMPTY_LABEL; } return; } // Step 1. The label must be in Unicode Normalization Form C. if (!Normalizer::isNormalized($label, Normalizer::FORM_C)) { $info->errors |= self::ERROR_INVALID_ACE_LABEL; } $codePoints = self::utf8Decode($label); if ($options['CheckHyphens']) { // Step 2. If CheckHyphens, the label must not contain a U+002D HYPHEN-MINUS character // in both the thrid and fourth positions. if (isset($codePoints[2], $codePoints[3]) && 0x002D === $codePoints[2] && 0x002D === $codePoints[3]) { $info->errors |= self::ERROR_HYPHEN_3_4; } // Step 3. If CheckHyphens, the label must neither begin nor end with a U+002D // HYPHEN-MINUS character. if ('-' === substr($label, 0, 1)) { $info->errors |= self::ERROR_LEADING_HYPHEN; } if ('-' === substr($label, -1, 1)) { $info->errors |= self::ERROR_TRAILING_HYPHEN; } } // Step 4. The label must not contain a U+002E (.) FULL STOP. if (false !== strpos($label, '.')) { $info->errors |= self::ERROR_LABEL_HAS_DOT; } // Step 5. The label must not begin with a combining mark, that is: General_Category=Mark. if (1 === preg_match(Regex::COMBINING_MARK, $label)) { $info->errors |= self::ERROR_LEADING_COMBINING_MARK; } // Step 6. Each code point in the label must only have certain status values according to // Section 5, IDNA Mapping Table: $transitional = $options['Transitional_Processing']; $useSTD3ASCIIRules = $options['UseSTD3ASCIIRules']; foreach ($codePoints as $codePoint) { $data = self::lookupCodePointStatus($codePoint, $useSTD3ASCIIRules); $status = $data['status']; if ('valid' === $status || (!$transitional && 'deviation' === $status)) { continue; } $info->errors |= self::ERROR_DISALLOWED; break; } // Step 7. If CheckJoiners, the label must satisify the ContextJ rules from Appendix A, in // The Unicode Code Points and Internationalized Domain Names for Applications (IDNA) // [IDNA2008]. if ($options['CheckJoiners'] && !self::isValidContextJ($codePoints, $label)) { $info->errors |= self::ERROR_CONTEXTJ; } // Step 8. If CheckBidi, and if the domain name is a Bidi domain name, then the label must // satisfy all six of the numbered conditions in [IDNA2008] RFC 5893, Section 2. if ($options['CheckBidi'] && (!$info->bidiDomain || $info->validBidiDomain)) { self::validateBidiLabel($label, $info); } } /** * @see https://tools.ietf.org/html/rfc3492#section-6.2 * * @param string $input * * @return string */ private static function punycodeDecode($input) { $n = self::INITIAL_N; $out = 0; $i = 0; $bias = self::INITIAL_BIAS; $lastDelimIndex = strrpos($input, self::DELIMITER); $b = false === $lastDelimIndex ? 0 : $lastDelimIndex; $inputLength = \strlen($input); $output = []; $bytes = array_map('ord', str_split($input)); for ($j = 0; $j < $b; ++$j) { if ($bytes[$j] > 0x7F) { throw new Exception('Invalid input'); } $output[$out++] = $input[$j]; } if ($b > 0) { ++$b; } for ($in = $b; $in < $inputLength; ++$out) { $oldi = $i; $w = 1; for ($k = self::BASE; /* no condition */; $k += self::BASE) { if ($in >= $inputLength) { throw new Exception('Invalid input'); } $digit = self::$basicToDigit[$bytes[$in++] & 0xFF]; if ($digit < 0) { throw new Exception('Invalid input'); } if ($digit > intdiv(self::MAX_INT - $i, $w)) { throw new Exception('Integer overflow'); } $i += $digit * $w; if ($k <= $bias) { $t = self::TMIN; } elseif ($k >= $bias + self::TMAX) { $t = self::TMAX; } else { $t = $k - $bias; } if ($digit < $t) { break; } $baseMinusT = self::BASE - $t; if ($w > intdiv(self::MAX_INT, $baseMinusT)) { throw new Exception('Integer overflow'); } $w *= $baseMinusT; } $outPlusOne = $out + 1; $bias = self::adaptBias($i - $oldi, $outPlusOne, 0 === $oldi); if (intdiv($i, $outPlusOne) > self::MAX_INT - $n) { throw new Exception('Integer overflow'); } $n += intdiv($i, $outPlusOne); $i %= $outPlusOne; array_splice($output, $i++, 0, [mb_chr($n, 'utf-8')]); } return implode('', $output); } /** * @see https://tools.ietf.org/html/rfc3492#section-6.3 * * @param string $input * * @return string */ private static function punycodeEncode($input) { $n = self::INITIAL_N; $delta = 0; $out = 0; $bias = self::INITIAL_BIAS; $inputLength = 0; $output = ''; $iter = self::utf8Decode($input); foreach ($iter as $codePoint) { ++$inputLength; if ($codePoint < 0x80) { $output .= \chr($codePoint); ++$out; } } $h = $out; $b = $out; if ($b > 0) { $output .= self::DELIMITER; ++$out; } while ($h < $inputLength) { $m = self::MAX_INT; foreach ($iter as $codePoint) { if ($codePoint >= $n && $codePoint < $m) { $m = $codePoint; } } if ($m - $n > intdiv(self::MAX_INT - $delta, $h + 1)) { throw new Exception('Integer overflow'); } $delta += ($m - $n) * ($h + 1); $n = $m; foreach ($iter as $codePoint) { if ($codePoint < $n && 0 === ++$delta) { throw new Exception('Integer overflow'); } if ($codePoint === $n) { $q = $delta; for ($k = self::BASE; /* no condition */; $k += self::BASE) { if ($k <= $bias) { $t = self::TMIN; } elseif ($k >= $bias + self::TMAX) { $t = self::TMAX; } else { $t = $k - $bias; } if ($q < $t) { break; } $qMinusT = $q - $t; $baseMinusT = self::BASE - $t; $output .= self::encodeDigit($t + ($qMinusT) % ($baseMinusT), false); ++$out; $q = intdiv($qMinusT, $baseMinusT); } $output .= self::encodeDigit($q, false); ++$out; $bias = self::adaptBias($delta, $h + 1, $h === $b); $delta = 0; ++$h; } } ++$delta; ++$n; } return $output; } /** * @see https://tools.ietf.org/html/rfc3492#section-6.1 * * @param int $delta * @param int $numPoints * @param bool $firstTime * * @return int */ private static function adaptBias($delta, $numPoints, $firstTime) { // xxx >> 1 is a faster way of doing intdiv(xxx, 2) $delta = $firstTime ? intdiv($delta, self::DAMP) : $delta >> 1; $delta += intdiv($delta, $numPoints); $k = 0; while ($delta > ((self::BASE - self::TMIN) * self::TMAX) >> 1) { $delta = intdiv($delta, self::BASE - self::TMIN); $k += self::BASE; } return $k + intdiv((self::BASE - self::TMIN + 1) * $delta, $delta + self::SKEW); } /** * @param int $d * @param bool $flag * * @return string */ private static function encodeDigit($d, $flag) { return \chr($d + 22 + 75 * ($d < 26 ? 1 : 0) - (($flag ? 1 : 0) << 5)); } /** * Takes a UTF-8 encoded string and converts it into a series of integer code points. Any * invalid byte sequences will be replaced by a U+FFFD replacement code point. * * @see https://encoding.spec.whatwg.org/#utf-8-decoder * * @param string $input * * @return array */ private static function utf8Decode($input) { $bytesSeen = 0; $bytesNeeded = 0; $lowerBoundary = 0x80; $upperBoundary = 0xBF; $codePoint = 0; $codePoints = []; $length = \strlen($input); for ($i = 0; $i < $length; ++$i) { $byte = \ord($input[$i]); if (0 === $bytesNeeded) { if ($byte >= 0x00 && $byte <= 0x7F) { $codePoints[] = $byte; continue; } if ($byte >= 0xC2 && $byte <= 0xDF) { $bytesNeeded = 1; $codePoint = $byte & 0x1F; } elseif ($byte >= 0xE0 && $byte <= 0xEF) { if (0xE0 === $byte) { $lowerBoundary = 0xA0; } elseif (0xED === $byte) { $upperBoundary = 0x9F; } $bytesNeeded = 2; $codePoint = $byte & 0xF; } elseif ($byte >= 0xF0 && $byte <= 0xF4) { if (0xF0 === $byte) { $lowerBoundary = 0x90; } elseif (0xF4 === $byte) { $upperBoundary = 0x8F; } $bytesNeeded = 3; $codePoint = $byte & 0x7; } else { $codePoints[] = 0xFFFD; } continue; } if ($byte < $lowerBoundary || $byte > $upperBoundary) { $codePoint = 0; $bytesNeeded = 0; $bytesSeen = 0; $lowerBoundary = 0x80; $upperBoundary = 0xBF; --$i; $codePoints[] = 0xFFFD; continue; } $lowerBoundary = 0x80; $upperBoundary = 0xBF; $codePoint = ($codePoint << 6) | ($byte & 0x3F); if (++$bytesSeen !== $bytesNeeded) { continue; } $codePoints[] = $codePoint; $codePoint = 0; $bytesNeeded = 0; $bytesSeen = 0; } // String unexpectedly ended, so append a U+FFFD code point. if (0 !== $bytesNeeded) { $codePoints[] = 0xFFFD; } return $codePoints; } /** * @param int $codePoint * @param bool $useSTD3ASCIIRules * * @return array{status: string, mapping?: string} */ private static function lookupCodePointStatus($codePoint, $useSTD3ASCIIRules) { if (!self::$mappingTableLoaded) { self::$mappingTableLoaded = true; self::$mapped = require __DIR__.'/Resources/unidata/mapped.php'; self::$ignored = require __DIR__.'/Resources/unidata/ignored.php'; self::$deviation = require __DIR__.'/Resources/unidata/deviation.php'; self::$disallowed = require __DIR__.'/Resources/unidata/disallowed.php'; self::$disallowed_STD3_mapped = require __DIR__.'/Resources/unidata/disallowed_STD3_mapped.php'; self::$disallowed_STD3_valid = require __DIR__.'/Resources/unidata/disallowed_STD3_valid.php'; } if (isset(self::$mapped[$codePoint])) { return ['status' => 'mapped', 'mapping' => self::$mapped[$codePoint]]; } if (isset(self::$ignored[$codePoint])) { return ['status' => 'ignored']; } if (isset(self::$deviation[$codePoint])) { return ['status' => 'deviation', 'mapping' => self::$deviation[$codePoint]]; } if (isset(self::$disallowed[$codePoint]) || DisallowedRanges::inRange($codePoint)) { return ['status' => 'disallowed']; } $isDisallowedMapped = isset(self::$disallowed_STD3_mapped[$codePoint]); if ($isDisallowedMapped || isset(self::$disallowed_STD3_valid[$codePoint])) { $status = 'disallowed'; if (!$useSTD3ASCIIRules) { $status = $isDisallowedMapped ? 'mapped' : 'valid'; } if ($isDisallowedMapped) { return ['status' => $status, 'mapping' => self::$disallowed_STD3_mapped[$codePoint]]; } return ['status' => $status]; } return ['status' => 'valid']; } }