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<?php |
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declare(strict_types = 1); |
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namespace Innmind\AMQP\Transport\Frame\Value; |
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use Innmind\AMQP\{ |
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Transport\Frame\Value, |
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Exception\UnboundedTextCannotBeWrapped, |
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}; |
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use Innmind\Math\Algebra\Integer; |
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use Innmind\Stream\Readable; |
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use Innmind\Immutable\{ |
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Sequence as Seq, |
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StreamInterface, |
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Stream, |
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}; |
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/** |
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* It's an array, but "array" is a reserved keyword in PHP |
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*/ |
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final class Sequence implements Value |
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{ |
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private $value; |
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private $original; |
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public function __construct(Value ...$values) |
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{ |
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$values = Stream::of(Value::class, ...$values); |
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$texts = $values->filter(static function(Value $value): bool { |
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return $value instanceof Text; |
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}); |
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if ($texts->size() > 0) { |
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throw new UnboundedTextCannotBeWrapped; |
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} |
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$this->original = $values; |
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} |
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public static function fromStream(Readable $stream): Value |
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{ |
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$length = UnsignedLongInteger::fromStream($stream)->original(); |
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$position = $stream->position()->toInt(); |
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$boundary = $position + $length->value(); |
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$values = []; |
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3 |
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while ($position < $boundary) { |
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$class = Symbols::class((string) $stream->read(1)); |
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$values[] = [$class, 'fromStream']($stream); |
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$position = $stream->position()->toInt(); |
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} |
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return new self(...$values); |
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} |
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/** |
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* @return StreamInterface<Value> |
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*/ |
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public function original(): StreamInterface |
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{ |
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return $this->original; |
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} |
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public function __toString(): string |
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{ |
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if (\is_null($this->value)) { |
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$data = $this |
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->original |
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->reduce( |
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new Seq, |
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static function(Seq $carry, Value $value): Seq { |
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return $carry |
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->add(Symbols::symbol(\get_class($value))) |
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->add($value); |
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} |
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) |
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->join('') |
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->toEncoding('ASCII'); |
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$this->value = (string) new UnsignedLongInteger( |
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new Integer($data->length()) |
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); |
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$this->value .= $data; |
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} |
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return $this->value; |
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} |
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} |
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Innmind /
AMQP
