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| <?php | |
| namespace Popy\Calendar\Parser\SymbolParser; | |
| use Popy\Calendar\Parser\FormatToken; | |
| use Popy\Calendar\Parser\SymbolParserInterface; | |
| use Popy\Calendar\Parser\FormatParserInterface; | |
| use Popy\Calendar\Parser\DateLexer\PregSimple; | |
| use Popy\Calendar\Parser\DateLexer\PregChoice; | |
| use Popy\Calendar\Formatter\LocalisationInterface; | |
| use Popy\Calendar\Formatter\Localisation\NativeHardcoded; | |
| /** | |
| * Chain implementation, stopping at the first result | |
| */ | |
| class Chain implements SymbolParserInterface | |
| { | |
| /** | |
| * Parser chain. | |
| * | |
| * @var array<SymbolParserInterface> | |
| */ | |
| protected $parsers = []; | |
| /** | |
| * Class constructor. | |
| * | |
| * @param iterable<SymbolParserInterface> $parsers Parser chain. | |
| */ | |
| public function __construct($parsers = []) | |
| { | |
| $this->addParsers($parsers); | |
| } | |
| /** | |
| * Adds a Parser to the chain. | |
| * | |
| * @param SymbolParserInterface $parser | |
| */ | |
| public function addParser(SymbolParserInterface $parser) | |
| { | |
| if ($parser instanceof self) { | |
| // Reducing recursivity | |
| $this->addParsers($parser->parsers); | |
| } else { | |
| $this->parsers[] = $parser; | |
| } | |
| return $this; | |
| } | |
| /** | |
| * Add parsers to the chain. | |
| * | |
| * @param iterable<SymbolParserInterface> $parsers | |
| */ | |
| public function addParsers($parsers) | |
| { | |
| foreach ($parsers as $parser) { | |
| $this->addParser($parser); | |
| } | |
| return $this; | |
| } | |
| /** | |
| * @inheritDoc | |
| */ | |
| public function parseSymbol(FormatToken $token, FormatParserInterface $parser) | |
| { | |
| foreach ($this->parsers as $p) { | |
| if (null !== $res = $p->parseSymbol($token, $parser)) { | |
| return $res; | |
| } | |
| } | |
| } | |
| } |