GravityMedia /
Stream
| @@ 18-65 (lines=48) @@ | ||
| 15 | * |
|
| 16 | * @package GravityMedia\Stream\Reader |
|
| 17 | */ |
|
| 18 | class Integer16Reader extends AbstractIntegerReader |
|
| 19 | { |
|
| 20 | /** |
|
| 21 | * Use byte order aware trait |
|
| 22 | */ |
|
| 23 | use ByteOrderAwareTrait; |
|
| 24 | ||
| 25 | /** |
|
| 26 | * Read unsigned 16-bit integer (short) data from the stream |
|
| 27 | * |
|
| 28 | * @return int |
|
| 29 | */ |
|
| 30 | protected function readUnsigned() |
|
| 31 | { |
|
| 32 | switch ($this->getByteOrder()) { |
|
| 33 | case ByteOrder::BIG_ENDIAN: |
|
| 34 | $format = 'n*'; |
|
| 35 | break; |
|
| 36 | case ByteOrder::LITTLE_ENDIAN: |
|
| 37 | $format = 'v*'; |
|
| 38 | break; |
|
| 39 | default: |
|
| 40 | $format = 'S*'; |
|
| 41 | } |
|
| 42 | ||
| 43 | list(, $value) = unpack($format, $this->getStream()->read(2)); |
|
| 44 | return $value; |
|
| 45 | } |
|
| 46 | ||
| 47 | /** |
|
| 48 | * Read signed 16-bit integer (short) data from the stream |
|
| 49 | * |
|
| 50 | * @return int |
|
| 51 | */ |
|
| 52 | protected function readSigned() |
|
| 53 | { |
|
| 54 | $data = $this->getStream()->read(2); |
|
| 55 | ||
| 56 | if (ByteOrder::MACHINE_ENDIAN !== $this->getByteOrder() |
|
| 57 | && $this->getMachineByteOrder() !== $this->getByteOrder() |
|
| 58 | ) { |
|
| 59 | $data = strrev($data); |
|
| 60 | } |
|
| 61 | ||
| 62 | list(, $value) = unpack('s*', $data); |
|
| 63 | return $value; |
|
| 64 | } |
|
| 65 | } |
|
| 66 | ||
| @@ 18-65 (lines=48) @@ | ||
| 15 | * |
|
| 16 | * @package GravityMedia\Stream\Reader |
|
| 17 | */ |
|
| 18 | class Integer32Reader extends AbstractIntegerReader |
|
| 19 | { |
|
| 20 | /** |
|
| 21 | * Use byte order aware trait |
|
| 22 | */ |
|
| 23 | use ByteOrderAwareTrait; |
|
| 24 | ||
| 25 | /** |
|
| 26 | * Read unsigned 32-bit integer (long) data from the stream |
|
| 27 | * |
|
| 28 | * @return int |
|
| 29 | */ |
|
| 30 | protected function readUnsigned() |
|
| 31 | { |
|
| 32 | switch ($this->getByteOrder()) { |
|
| 33 | case ByteOrder::BIG_ENDIAN: |
|
| 34 | $format = 'N*'; |
|
| 35 | break; |
|
| 36 | case ByteOrder::LITTLE_ENDIAN: |
|
| 37 | $format = 'V*'; |
|
| 38 | break; |
|
| 39 | default: |
|
| 40 | $format = 'L*'; |
|
| 41 | } |
|
| 42 | ||
| 43 | list(, $value) = unpack($format, $this->getStream()->read(4)); |
|
| 44 | return $value; |
|
| 45 | } |
|
| 46 | ||
| 47 | /** |
|
| 48 | * Read signed 32-bit integer (long) data from the stream |
|
| 49 | * |
|
| 50 | * @return int |
|
| 51 | */ |
|
| 52 | protected function readSigned() |
|
| 53 | { |
|
| 54 | $data = $this->stream->read(4); |
|
| 55 | ||
| 56 | if (ByteOrder::MACHINE_ENDIAN !== $this->getByteOrder() |
|
| 57 | && $this->getMachineByteOrder() !== $this->getByteOrder() |
|
| 58 | ) { |
|
| 59 | $data = strrev($data); |
|
| 60 | } |
|
| 61 | ||
| 62 | list(, $value) = unpack('l*', $data); |
|
| 63 | return $value; |
|
| 64 | } |
|
| 65 | } |
|
| 66 | ||
