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| formatSymbol | |
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| <?php | |
| namespace Popy\Calendar\Formatter\SymbolFormatter; | |
| use Popy\Calendar\FormatterInterface; | |
| use Popy\Calendar\Parser\FormatToken; | |
| use Popy\Calendar\Formatter\SymbolFormatterInterface; | |
| use Popy\Calendar\ValueObject\DateRepresentationInterface; | |
| /** | |
| * Chain/Collection implementation. Will delegate to internal formatters until | |
| * one of them returns a result. | |
| */ | |
| class Chain implements SymbolFormatterInterface | |
| { | |
| /** | |
| * Formatter chain. | |
| * | |
| * @var array<SymbolFormatterInterface> | |
| */ | |
| protected $formatters = []; | |
| /** | |
| * Class constructor. | |
| * | |
| * @param iterable<SymbolFormatterInterface> $formatters | |
| */ | |
| public function __construct($formatters = []) | |
| { | |
| $this->addFormatters($formatters); | |
| } | |
| /** | |
| * Adds a formatter to the chain. | |
| * | |
| * @param SymbolFormatterInterface $formatter | |
| */ | |
| public function addFormatter(SymbolFormatterInterface $formatter) | |
| { | |
| if ($formatter instanceof self) { | |
| // Reducing recursivity | |
| $this->addFormatters($formatter->formatters); | |
| } else { | |
| $this->formatters[] = $formatter; | |
| } | |
| return $this; | |
| } | |
| /** | |
| * Add formatters to the chain. | |
| * | |
| * @param iterable<SymbolFormatterInterface> $formatters | |
| */ | |
| public function addFormatters($formatters) | |
| { | |
| foreach ($formatters as $formatter) { | |
| $this->addFormatter($formatter); | |
| } | |
| return $this; | |
| } | |
| /** | |
| * @inheritDoc | |
| */ | |
| public function formatSymbol( | |
| DateRepresentationInterface $input, | |
| FormatToken $token, | |
| FormatterInterface $formatter | |
| ) { | |
| foreach ($this->formatters as $f) { | |
| if (null !== $res = $f->formatSymbol($input, $token, $formatter)) { | |
| return $res; | |
| } | |
| } | |
| } | |
| } |