GravityMedia /
Stream
| @@ 18-65 (lines=48) @@ | ||
| 15 | * |
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| 16 | * @package GravityMedia\Stream\Reader |
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| 17 | */ |
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| 18 | class LongReader extends AbstractIntegerReader |
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| 19 | { |
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| 20 | /** |
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| 21 | * Use byte order aware trait |
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| 22 | */ |
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| 23 | use ByteOrderAwareTrait; |
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| 24 | ||
| 25 | /** |
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| 26 | * Read unsigned long (32-bit integer) data from the stream |
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| 27 | * |
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| 28 | * @return int |
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| 29 | */ |
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| 30 | protected function readUnsigned() |
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| 31 | { |
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| 32 | switch ($this->getByteOrder()) { |
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| 33 | case ByteOrder::BIG_ENDIAN: |
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| 34 | $format = 'N*'; |
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| 35 | break; |
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| 36 | case ByteOrder::LITTLE_ENDIAN: |
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| 37 | $format = 'V*'; |
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| 38 | break; |
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| 39 | default: |
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| 40 | $format = 'L*'; |
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| 41 | } |
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| 42 | ||
| 43 | list(, $value) = unpack($format, $this->getStream()->read(4)); |
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| 44 | return $value; |
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| 45 | } |
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| 46 | ||
| 47 | /** |
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| 48 | * Read signed long (32-bit integer) data from the stream |
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| 49 | * |
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| 50 | * @return int |
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| 51 | */ |
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| 52 | protected function readSigned() |
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| 53 | { |
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| 54 | $data = $this->stream->read(4); |
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| 55 | ||
| 56 | if (ByteOrder::MACHINE_ENDIAN !== $this->getByteOrder() |
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| 57 | && $this->getMachineByteOrder() !== $this->getByteOrder() |
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| 58 | ) { |
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| 59 | $data = strrev($data); |
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| 60 | } |
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| 61 | ||
| 62 | list(, $value) = unpack('l*', $data); |
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| 63 | return $value; |
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| 64 | } |
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| 65 | } |
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| 66 | ||
| @@ 18-65 (lines=48) @@ | ||
| 15 | * |
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| 16 | * @package GravityMedia\Stream\Reader |
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| 17 | */ |
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| 18 | class ShortReader extends AbstractIntegerReader |
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| 19 | { |
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| 20 | /** |
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| 21 | * Use byte order aware trait |
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| 22 | */ |
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| 23 | use ByteOrderAwareTrait; |
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| 24 | ||
| 25 | /** |
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| 26 | * Read unsigned short (16-bit integer) data from the stream |
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| 27 | * |
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| 28 | * @return int |
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| 29 | */ |
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| 30 | protected function readUnsigned() |
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| 31 | { |
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| 32 | switch ($this->getByteOrder()) { |
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| 33 | case ByteOrder::BIG_ENDIAN: |
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| 34 | $format = 'n*'; |
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| 35 | break; |
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| 36 | case ByteOrder::LITTLE_ENDIAN: |
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| 37 | $format = 'v*'; |
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| 38 | break; |
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| 39 | default: |
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| 40 | $format = 'S*'; |
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| 41 | } |
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| 42 | ||
| 43 | list(, $value) = unpack($format, $this->getStream()->read(2)); |
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| 44 | return $value; |
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| 45 | } |
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| 46 | ||
| 47 | /** |
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| 48 | * Read signed short (16-bit integer) data from the stream |
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| 49 | * |
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| 50 | * @return int |
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| 51 | */ |
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| 52 | protected function readSigned() |
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| 53 | { |
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| 54 | $data = $this->getStream()->read(2); |
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| 55 | ||
| 56 | if (ByteOrder::MACHINE_ENDIAN !== $this->getByteOrder() |
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| 57 | && $this->getMachineByteOrder() !== $this->getByteOrder() |
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| 58 | ) { |
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| 59 | $data = strrev($data); |
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| 60 | } |
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| 61 | ||
| 62 | list(, $value) = unpack('s*', $data); |
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| 63 | return $value; |
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| 64 | } |
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| 65 | } |
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| 66 | ||
