WyriHaximus /
reactphp-stream-base64
| @@ 10-72 (lines=63) @@ | ||
| 7 | use React\Stream\Util; |
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| 8 | use React\Stream\WritableStreamInterface; |
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| 9 | ||
| 10 | final class ReadableStreamBase64Decode extends EventEmitter implements ReadableStreamInterface |
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| 11 | { |
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| 12 | /** |
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| 13 | * @var WritableStreamInterface |
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| 14 | */ |
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| 15 | private $stream; |
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| 16 | ||
| 17 | /** |
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| 18 | * @var string |
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| 19 | */ |
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| 20 | private $buffer = ''; |
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| 21 | ||
| 22 | /** |
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| 23 | * @param ReadableStreamInterface $stream |
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| 24 | */ |
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| 25 | public function __construct(ReadableStreamInterface $stream) |
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| 26 | { |
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| 27 | $this->stream = $stream; |
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| 28 | $this->stream->on('data', function ($data) { |
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| 29 | $this->buffer .= $data; |
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| 30 | $this->emit('data', [$this->processBuffer()]); |
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| 31 | }); |
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| 32 | $this->stream->once('close', function () { |
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| 33 | $this->emit('data', [base64_decode($this->buffer, true)]); |
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| 34 | $this->emit('close'); |
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| 35 | }); |
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| 36 | Util::forwardEvents($stream, $this, ['error', 'end']); |
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| 37 | } |
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| 38 | ||
| 39 | public function isReadable() |
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| 40 | { |
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| 41 | return $this->stream->isReadable(); |
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| 42 | } |
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| 43 | ||
| 44 | public function pause() |
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| 45 | { |
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| 46 | return $this->stream->pause(); |
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| 47 | } |
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| 48 | ||
| 49 | public function resume() |
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| 50 | { |
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| 51 | return $this->stream->resume(); |
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| 52 | } |
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| 53 | ||
| 54 | public function pipe(WritableStreamInterface $dest, array $options = []) |
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| 55 | { |
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| 56 | return $this->stream->pipe($dest, $options); |
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| 57 | } |
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| 58 | ||
| 59 | public function close() |
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| 60 | { |
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| 61 | $this->stream->close(); |
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| 62 | } |
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| 63 | ||
| 64 | private function processBuffer(): string |
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| 65 | { |
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| 66 | $length = strlen($this->buffer); |
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| 67 | $buffer = base64_decode(substr($this->buffer, 0, $length - $length % 4), true); |
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| 68 | $this->buffer = substr($this->buffer, $length - $length % 4); |
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| 69 | ||
| 70 | return $buffer; |
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| 71 | } |
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| 72 | } |
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| 73 | ||
| @@ 10-72 (lines=63) @@ | ||
| 7 | use React\Stream\Util; |
|
| 8 | use React\Stream\WritableStreamInterface; |
|
| 9 | ||
| 10 | final class ReadableStreamBase64Encode extends EventEmitter implements ReadableStreamInterface |
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| 11 | { |
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| 12 | /** |
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| 13 | * @var WritableStreamInterface |
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| 14 | */ |
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| 15 | private $stream; |
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| 16 | ||
| 17 | /** |
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| 18 | * @var string |
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| 19 | */ |
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| 20 | private $buffer = ''; |
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| 21 | ||
| 22 | /** |
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| 23 | * @param ReadableStreamInterface $stream |
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| 24 | */ |
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| 25 | public function __construct(ReadableStreamInterface $stream) |
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| 26 | { |
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| 27 | $this->stream = $stream; |
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| 28 | $this->stream->on('data', function ($data) { |
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| 29 | $this->buffer .= $data; |
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| 30 | $this->emit('data', [$this->processBuffer()]); |
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| 31 | }); |
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| 32 | $this->stream->once('close', function () { |
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| 33 | $this->emit('data', [base64_encode($this->buffer)]); |
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| 34 | $this->emit('close'); |
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| 35 | }); |
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| 36 | Util::forwardEvents($stream, $this, ['error', 'end']); |
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| 37 | } |
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| 38 | ||
| 39 | public function isReadable() |
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| 40 | { |
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| 41 | return $this->stream->isReadable(); |
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| 42 | } |
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| 43 | ||
| 44 | public function pause() |
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| 45 | { |
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| 46 | return $this->stream->pause(); |
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| 47 | } |
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| 48 | ||
| 49 | public function resume() |
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| 50 | { |
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| 51 | return $this->stream->resume(); |
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| 52 | } |
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| 53 | ||
| 54 | public function pipe(WritableStreamInterface $dest, array $options = []) |
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| 55 | { |
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| 56 | return $this->stream->pipe($dest, $options); |
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| 57 | } |
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| 58 | ||
| 59 | public function close() |
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| 60 | { |
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| 61 | $this->stream->close(); |
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| 62 | } |
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| 63 | ||
| 64 | private function processBuffer(): string |
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| 65 | { |
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| 66 | $length = strlen($this->buffer); |
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| 67 | $buffer = base64_encode(substr($this->buffer, 0, $length - $length % 3)); |
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| 68 | $this->buffer = substr($this->buffer, $length - $length % 3); |
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| 69 | ||
| 70 | return $buffer; |
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| 71 | } |
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| 72 | } |
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| 73 | ||
