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<?php |
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declare(strict_types = 1); |
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namespace Sop\ASN1\Type\Constructed; |
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use Sop\ASN1\Component\Identifier; |
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use Sop\ASN1\Element; |
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use Sop\ASN1\Feature\ElementBase; |
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use Sop\ASN1\Type\PrimitiveString; |
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use Sop\ASN1\Type\Structure; |
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/** |
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* Implements constructed type of simple strings. |
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*/ |
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class ConstructedString extends Structure |
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{ |
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/** |
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* Constructor. |
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* |
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* @param Element ...$elements Any number of elements |
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*/ |
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protected function __construct(Element ...$elements) |
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{ |
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parent::__construct(...$elements); |
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} |
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/** |
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* Create constructed string. |
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* |
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* @param int $tag Type tag |
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* @param PrimitiveString ...$elements Any number of elements |
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*/ |
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public static function create(int $tag, PrimitiveString ...$elements) |
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{ |
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$el = new self(...$elements); |
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$el->_typeTag = $tag; |
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return $el; |
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} |
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/** |
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* Get a list of strings in this structure. |
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* |
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* @return string[] |
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*/ |
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public function strings(): array |
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{ |
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return array_map(function (PrimitiveString $el) { |
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return $el->string(); |
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}, $this->_elements); |
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} |
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/** |
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* Get the contained strings concatenated together. |
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* |
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* @return string |
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*/ |
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public function concatenated(): string |
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{ |
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return implode('', $this->strings()); |
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} |
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/** |
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* {@inheritdoc} |
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* |
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* @return self |
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*/ |
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protected static function _decodeFromDER(Identifier $identifier, |
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string $data, int &$offset): ElementBase |
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{ |
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/** @var ConstructedString $type */ |
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$type = forward_static_call_array([parent::class, __FUNCTION__], |
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[$identifier, $data, &$offset]); |
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$type->_typeTag = $identifier->intTag(); |
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return $type; |
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} |
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} |
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