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<?php |
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declare(strict_types=1); |
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namespace Yiisoft\I18n; |
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use InvalidArgumentException; |
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/** |
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* Locale stores locale information created from BCP 47 formatted string. |
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* |
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* @link https://www.rfc-editor.org/info/bcp47 |
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*/ |
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final class Locale implements \Stringable |
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{ |
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/** |
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* @var string|null Two-letter ISO-639-2 language code. |
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* |
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* @link https://www.loc.gov/standards/iso639-2/ |
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*/ |
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private ?string $language = null; |
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/** |
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* @var string|null Extended language subtags. |
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*/ |
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private ?string $extendedLanguage = null; |
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/** |
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* @var string|null |
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*/ |
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private ?string $extension = null; |
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/** |
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* @var string|null Four-letter ISO 15924 script code. |
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* |
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* @link https://www.unicode.org/iso15924/iso15924-codes.html |
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*/ |
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private ?string $script = null; |
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/** |
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* @var string|null Two-letter ISO 3166-1 country code. |
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* |
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* @link https://www.iso.org/iso-3166-country-codes.html |
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*/ |
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private ?string $region = null; |
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/** |
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* @var string|null Variant of language conventions to use. |
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*/ |
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private ?string $variant = null; |
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/** |
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* @var string|null ICU currency. |
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*/ |
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private ?string $currency = null; |
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/** |
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* @var string|null ICU calendar. |
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*/ |
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private ?string $calendar = null; |
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/** |
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* @var string|null ICU case-first collation. |
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* |
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* @link https://unicode-org.github.io/icu/userguide/collation/customization/#casefirst |
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* @link https://www.unicode.org/reports/tr35/tr35-61/tr35-collation.html#Collation_Settings |
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*/ |
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private ?string $colcasefirst = null; |
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/** |
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* @var string|null ICU collation. |
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*/ |
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private ?string $collation = null; |
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/** |
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* @var string|null ICU numeric collation. |
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* |
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* @link https://unicode-org.github.io/icu/userguide/collation/customization/#numericordering |
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* @link https://www.unicode.org/reports/tr35/tr35-61/tr35-collation.html#Collation_Settings |
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*/ |
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private ?string $colnumeric = null; |
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/** |
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* @var string|null ICU numbers. |
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*/ |
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private ?string $numbers = null; |
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/** |
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* @var string|null Unicode hour cycle identifier. |
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* |
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* @link https://www.unicode.org/reports/tr35/#UnicodeHourCycleIdentifier |
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*/ |
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private ?string $hours = null; |
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/** |
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* @var string|null |
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*/ |
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private ?string $grandfathered = null; |
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/** |
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* @var string|null |
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*/ |
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private ?string $private = null; |
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/** |
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* Locale constructor. |
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* |
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* @param string $localeString BCP 47 formatted locale string. |
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* |
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* @link https://www.rfc-editor.org/info/bcp47 |
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* |
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* @throws InvalidArgumentException |
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*/ |
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public function __construct(string $localeString) |
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{ |
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if (!preg_match(self::getBCP47Regex(), $localeString, $matches)) { |
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throw new InvalidArgumentException($localeString . ' is not valid BCP 47 formatted locale string.'); |
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} |
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if (!empty($matches['language'])) { |
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$this->language = strtolower($matches['language']); |
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} |
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if (!empty($matches['region'])) { |
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$this->region = strtoupper($matches['region']); |
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} |
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if (!empty($matches['variant'])) { |
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$this->variant = $matches['variant']; |
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} |
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if (!empty($matches['extendedLanguage'])) { |
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$this->extendedLanguage = $matches['extendedLanguage']; |
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} |
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if (!empty($matches['extension'])) { |
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$this->extension = $matches['extension']; |
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} |
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if (!empty($matches['script'])) { |
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$this->script = ucfirst(strtolower($matches['script'])); |
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} |
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if (!empty($matches['grandfathered'])) { |
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$this->grandfathered = $matches['grandfathered']; |
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} |
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if (!empty($matches['private'])) { |
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$this->private = preg_replace('~^x-~', '', $matches['private']); |
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} |
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if (!empty($matches['keywords'])) { |
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foreach (explode(';', $matches['keywords']) as $pair) { |
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[$key, $value] = explode('=', $pair); |
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if ($key === 'calendar') { |
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$this->calendar = $value; |
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} |
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if ($key === 'colcasefirst') { |
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$this->colcasefirst = $value; |
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} |
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if ($key === 'collation') { |
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$this->collation = $value; |
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} |
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if ($key === 'colnumeric') { |
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$this->colnumeric = $value; |
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} |
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if ($key === 'currency') { |
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$this->currency = $value; |
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} |
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if ($key === 'numbers') { |
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$this->numbers = $value; |
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} |
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if ($key === 'hours') { |
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$this->hours = $value; |
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} |
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} |
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} |
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} |
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/** |
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* @return string Four-letter ISO 15924 script code. |
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* |
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* @link https://www.unicode.org/iso15924/iso15924-codes.html |
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*/ |
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public function script(): ?string |
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{ |
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return $this->script; |
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} |
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/** |
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* @param string|null $script Four-letter ISO 15924 script code. |
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* |
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* @link https://www.unicode.org/iso15924/iso15924-codes.html |
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*/ |
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public function withScript(?string $script): self |
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{ |
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$new = clone $this; |
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$new->script = $script; |
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return $new; |
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} |
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/** |
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* @return string Variant of language conventions to use. |
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*/ |
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public function variant(): ?string |
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{ |
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return $this->variant; |
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} |
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/** |
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* @param string|null $variant Variant of language conventions to use. |
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*/ |
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public function withVariant(?string $variant): self |
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{ |
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$new = clone $this; |
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$new->variant = $variant; |
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return $new; |
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} |
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/** |
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* @return string|null Two-letter ISO-639-2 language code. |
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* |
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* @link https://www.loc.gov/standards/iso639-2/ |
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*/ |
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public function language(): ?string |
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{ |
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return $this->language; |
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} |
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/** |
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* @param string|null $language Two-letter ISO-639-2 language code. |
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* |
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* @link https://www.loc.gov/standards/iso639-2/ |
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*/ |
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public function withLanguage(?string $language): self |
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{ |
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$new = clone $this; |
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$new->language = $language; |
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return $new; |
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} |
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/** |
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* @return string|null ICU calendar. |
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*/ |
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public function calendar(): ?string |
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{ |
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return $this->calendar; |
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} |
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/** |
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* @param string|null $calendar ICU calendar. |
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*/ |
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public function withCalendar(?string $calendar): self |
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{ |
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$new = clone $this; |
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$new->calendar = $calendar; |
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return $new; |
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} |
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/** |
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* @return string|null ICU case-first collation. |
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* |
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* @link https://unicode-org.github.io/icu/userguide/collation/customization/#casefirst |
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* @link https://www.unicode.org/reports/tr35/tr35-61/tr35-collation.html#Collation_Settings |
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*/ |
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public function colcasefirst(): ?string |
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{ |
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return $this->colcasefirst; |
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} |
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/** |
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* @param string|null $colcasefirst ICU case-first collation. |
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* |
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* @link https://unicode-org.github.io/icu/userguide/collation/customization/#casefirst |
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* @link https://www.unicode.org/reports/tr35/tr35-61/tr35-collation.html#Collation_Settings |
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*/ |
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public function withColcasefirst(?string $colcasefirst): self |
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{ |
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$new = clone $this; |
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$new->colcasefirst = $colcasefirst; |
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return $new; |
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} |
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/** |
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* @return string|null ICU collation. |
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*/ |
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public function collation(): ?string |
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{ |
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return $this->collation; |
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} |
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/** |
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* @param string|null $collation ICU collation. |
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*/ |
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public function withCollation(?string $collation): self |
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{ |
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$new = clone $this; |
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$new->collation = $collation; |
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return $new; |
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} |
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/** |
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* @return string|null ICU numeric collation. |
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* |
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* @link https://unicode-org.github.io/icu/userguide/collation/customization/#numericordering |
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* @link https://www.unicode.org/reports/tr35/tr35-61/tr35-collation.html#Collation_Settings |
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*/ |
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public function colnumeric(): ?string |
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{ |
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return $this->colnumeric; |
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} |
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/** |
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* @param string|null $colnumeric ICU numeric collation. |
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* |
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* @link https://unicode-org.github.io/icu/userguide/collation/customization/#numericordering |
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* @link https://www.unicode.org/reports/tr35/tr35-61/tr35-collation.html#Collation_Settings |
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*/ |
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public function withColnumeric(?string $colnumeric): self |
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{ |
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$new = clone $this; |
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$new->colnumeric = $colnumeric; |
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return $new; |
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} |
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/** |
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* @return string|null ICU numbers. |
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*/ |
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public function numbers(): ?string |
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{ |
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return $this->numbers; |
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} |
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/** |
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* @param string|null $numbers ICU numbers. |
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*/ |
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public function withNumbers(?string $numbers): self |
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{ |
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$new = clone $this; |
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$new->numbers = $numbers; |
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return $new; |
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} |
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/** |
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* @return string|null Unicode hour cycle identifier. |
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* |
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* @link https://www.unicode.org/reports/tr35/#UnicodeHourCycleIdentifier |
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*/ |
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2 |
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public function hours(): ?string |
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{ |
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return $this->hours; |
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} |
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/** |
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* @param string|null $hours Unicode hour cycle identifier. |
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* |
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* @link https://www.unicode.org/reports/tr35/#UnicodeHourCycleIdentifier |
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*/ |
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3 |
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public function withHours(?string $hours): self |
367
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{ |
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3 |
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$new = clone $this; |
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3 |
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$new->hours = $hours; |
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return $new; |
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} |
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/** |
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* @return string Two-letter ISO 3166-1 country code. |
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* |
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* @link https://www.iso.org/iso-3166-country-codes.html |
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*/ |
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5 |
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public function region(): ?string |
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{ |
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5 |
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return $this->region; |
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} |
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/** |
384
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* @param string|null $region Two-letter ISO 3166-1 country code. |
385
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* |
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* @link https://www.iso.org/iso-3166-country-codes.html |
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*/ |
388
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2 |
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public function withRegion(?string $region): self |
389
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|
|
{ |
390
|
2 |
|
$new = clone $this; |
391
|
2 |
|
$new->region = $region; |
392
|
2 |
|
return $new; |
393
|
|
|
} |
394
|
|
|
|
395
|
|
|
/** |
396
|
|
|
* @return string ICU currency. |
397
|
|
|
*/ |
398
|
2 |
|
public function currency(): ?string |
399
|
|
|
{ |
400
|
2 |
|
return $this->currency; |
401
|
|
|
} |
402
|
|
|
|
403
|
|
|
/** |
404
|
|
|
* @param string|null $currency ICU currency. |
405
|
|
|
*/ |
406
|
3 |
|
public function withCurrency(?string $currency): self |
407
|
|
|
{ |
408
|
3 |
|
$new = clone $this; |
409
|
3 |
|
$new->currency = $currency; |
410
|
|
|
|
411
|
3 |
|
return $new; |
412
|
|
|
} |
413
|
|
|
|
414
|
|
|
/** |
415
|
|
|
* @return string|null Extended language subtags. |
416
|
|
|
*/ |
417
|
2 |
|
public function extendedLanguage(): ?string |
418
|
|
|
{ |
419
|
2 |
|
return $this->extendedLanguage; |
420
|
|
|
} |
421
|
|
|
|
422
|
|
|
/** |
423
|
|
|
* @param string|null $extendedLanguage Extended language subtags. |
424
|
|
|
*/ |
425
|
3 |
|
public function withExtendedLanguage(?string $extendedLanguage): self |
426
|
|
|
{ |
427
|
3 |
|
$new = clone $this; |
428
|
3 |
|
$new->extendedLanguage = $extendedLanguage; |
429
|
|
|
|
430
|
3 |
|
return $new; |
431
|
|
|
} |
432
|
|
|
|
433
|
3 |
|
public function private(): ?string |
434
|
|
|
{ |
435
|
3 |
|
return $this->private; |
436
|
|
|
} |
437
|
|
|
|
438
|
3 |
|
public function withPrivate(?string $private): self |
439
|
|
|
{ |
440
|
3 |
|
$new = clone $this; |
441
|
3 |
|
$new->private = $private; |
442
|
|
|
|
443
|
3 |
|
return $new; |
444
|
|
|
} |
445
|
|
|
|
446
|
|
|
/** |
447
|
|
|
* @link https://www.rfc-editor.org/info/bcp47 |
448
|
|
|
* |
449
|
|
|
* @return string Regular expression for parsing BCP 47. |
450
|
|
|
* @psalm-return non-empty-string |
451
|
|
|
*/ |
452
|
39 |
|
private static function getBCP47Regex(): string |
453
|
|
|
{ |
454
|
39 |
|
$regular = '(?:art-lojban|cel-gaulish|no-bok|no-nyn|zh-guoyu|zh-hakka|zh-min|zh-min-nan|zh-xiang)'; |
455
|
39 |
|
$irregular = '(?:en-GB-oed|i-ami|i-bnn|i-default|i-enochian|i-hak|i-klingon|i-lux|i-mingo|i-navajo|i-pwn|i-tao|i-tay|i-tsu|sgn-BE-FR|sgn-BE-NL|sgn-CH-DE)'; |
456
|
39 |
|
$grandfathered = '(?<grandfathered>' . $irregular . '|' . $regular . ')'; |
457
|
39 |
|
$private = '(?<private>x(?:-[A-Za-z0-9]{1,8})+)'; |
458
|
39 |
|
$singleton = '[0-9A-WY-Za-wy-z]'; |
459
|
39 |
|
$extension = '(?<extension>' . $singleton . '(?:-[A-Za-z0-9]{2,8})+)'; |
460
|
39 |
|
$variant = '(?<variant>[A-Za-z0-9]{5,8}|[0-9][A-Za-z0-9]{3})'; |
461
|
39 |
|
$region = '(?<region>[A-Za-z]{2}|[0-9]{3})'; |
462
|
39 |
|
$script = '(?<script>[A-Za-z]{4})'; |
463
|
39 |
|
$extendedLanguage = '(?<extendedLanguage>[A-Za-z]{3}(?:-[A-Za-z]{3}){0,2})'; |
464
|
39 |
|
$language = '(?<language>[A-Za-z]{4,8})|(?<language>[A-Za-z]{2,3})(?:-' . $extendedLanguage . ')?'; |
465
|
39 |
|
$icuKeywords = '(?:@(?<keywords>.*?))?'; |
466
|
39 |
|
$languageTag = '(?:' . $language . '(?:-' . $script . ')?' . '(?:-' . $region . ')?' . '(?:-' . $variant . ')*' . '(?:-' . $extension . ')*' . '(?:-' . $private . ')?' . ')'; |
467
|
39 |
|
return '/^(?J:' . $grandfathered . '|' . $languageTag . '|' . $private . ')' . $icuKeywords . '$/'; |
468
|
|
|
} |
469
|
|
|
|
470
|
1 |
|
public function __toString(): string |
471
|
|
|
{ |
472
|
1 |
|
return $this->asString(); |
473
|
|
|
} |
474
|
|
|
|
475
|
|
|
/** |
476
|
|
|
* @return string Locale string. |
477
|
|
|
*/ |
478
|
7 |
|
public function asString(): string |
479
|
|
|
{ |
480
|
7 |
|
if ($this->grandfathered !== null) { |
481
|
3 |
|
return $this->grandfathered; |
482
|
|
|
} |
483
|
|
|
|
484
|
5 |
|
$result = []; |
485
|
5 |
|
if ($this->language !== null) { |
486
|
5 |
|
$result[] = $this->language; |
487
|
|
|
|
488
|
5 |
|
if ($this->extendedLanguage !== null) { |
489
|
1 |
|
$result[] = $this->extendedLanguage; |
490
|
|
|
} |
491
|
|
|
|
492
|
5 |
|
if ($this->script !== null) { |
493
|
1 |
|
$result[] = $this->script; |
494
|
|
|
} |
495
|
|
|
|
496
|
5 |
|
if ($this->region !== null) { |
497
|
2 |
|
$result[] = $this->region; |
498
|
|
|
} |
499
|
|
|
|
500
|
5 |
|
if ($this->variant !== null) { |
501
|
1 |
|
$result[] = $this->variant; |
502
|
|
|
} |
503
|
|
|
|
504
|
5 |
|
if ($this->extension !== null) { |
505
|
1 |
|
$result[] = $this->extension; |
506
|
|
|
} |
507
|
|
|
} |
508
|
|
|
|
509
|
5 |
|
if ($this->private !== null) { |
510
|
1 |
|
$result[] = 'x-' . $this->private; |
511
|
|
|
} |
512
|
|
|
|
513
|
5 |
|
$keywords = []; |
514
|
5 |
|
if ($this->currency !== null) { |
515
|
1 |
|
$keywords[] = 'currency=' . $this->currency; |
516
|
|
|
} |
517
|
5 |
|
if ($this->colcasefirst !== null) { |
518
|
1 |
|
$keywords[] = 'colcasefirst=' . $this->colcasefirst; |
519
|
|
|
} |
520
|
5 |
|
if ($this->collation !== null) { |
521
|
1 |
|
$keywords[] = 'collation=' . $this->collation; |
522
|
|
|
} |
523
|
5 |
|
if ($this->colnumeric !== null) { |
524
|
1 |
|
$keywords[] = 'colnumeric=' . $this->colnumeric; |
525
|
|
|
} |
526
|
5 |
|
if ($this->calendar !== null) { |
527
|
1 |
|
$keywords[] = 'calendar=' . $this->calendar; |
528
|
|
|
} |
529
|
5 |
|
if ($this->numbers !== null) { |
530
|
1 |
|
$keywords[] = 'numbers=' . $this->numbers; |
531
|
|
|
} |
532
|
5 |
|
if ($this->hours !== null) { |
533
|
1 |
|
$keywords[] = 'hours=' . $this->hours; |
534
|
|
|
} |
535
|
|
|
|
536
|
5 |
|
$string = implode('-', $result); |
537
|
|
|
|
538
|
5 |
|
if ($keywords !== []) { |
539
|
1 |
|
$string .= '@' . implode(';', $keywords); |
540
|
|
|
} |
541
|
|
|
|
542
|
5 |
|
return $string; |
543
|
|
|
} |
544
|
|
|
|
545
|
|
|
/** |
546
|
|
|
* Returns fallback locale. |
547
|
|
|
* |
548
|
|
|
* @return self Fallback locale. |
549
|
|
|
*/ |
550
|
2 |
|
public function fallbackLocale(): self |
551
|
|
|
{ |
552
|
2 |
|
$fallback = $this |
553
|
2 |
|
->withCalendar(null) |
554
|
2 |
|
->withColcasefirst(null) |
555
|
2 |
|
->withCollation(null) |
556
|
2 |
|
->withColnumeric(null) |
557
|
2 |
|
->withCurrency(null) |
558
|
2 |
|
->withExtendedLanguage(null) |
559
|
2 |
|
->withNumbers(null) |
560
|
2 |
|
->withHours(null) |
561
|
2 |
|
->withPrivate(null); |
562
|
|
|
|
563
|
2 |
|
if ($fallback->variant() !== null) { |
564
|
1 |
|
return $fallback->withVariant(null); |
565
|
|
|
} |
566
|
|
|
|
567
|
2 |
|
if ($fallback->region() !== null) { |
568
|
1 |
|
return $fallback->withRegion(null); |
569
|
|
|
} |
570
|
|
|
|
571
|
2 |
|
if ($fallback->script() !== null) { |
572
|
1 |
|
return $fallback->withScript(null); |
573
|
|
|
} |
574
|
|
|
|
575
|
1 |
|
return $fallback; |
576
|
|
|
} |
577
|
|
|
} |
578
|
|
|
|