other-licenses/7zstub/src/7zip/Common/LSBFDecoder.cpp@6474c204b198 (annotated)
other-licenses/7zstub/src/7zip/Common/LSBFDecoder.cpp
Wed, 31 Dec 2014 06:09:35 +0100
- author
- Michael Schloh von Bennewitz <michael@schloh.com>
- date
- Wed, 31 Dec 2014 06:09:35 +0100
- changeset 0
- 6474c204b198
- permissions
- -rw-r--r--
Cloned upstream origin tor-browser at tor-browser-31.3.0esr-4.5-1-build1
revision ID fc1c9ff7c1b2defdbc039f12214767608f46423f for hacking purpose.
| michael@0 | 1 | // Stream/LSBFDecoder.cpp |
| michael@0 | 2 | |
| michael@0 | 3 | #include "StdAfx.h" |
| michael@0 | 4 | |
| michael@0 | 5 | #include "LSBFDecoder.h" |
| michael@0 | 6 | |
| michael@0 | 7 | namespace NStream { |
| michael@0 | 8 | namespace NLSBF { |
| michael@0 | 9 | |
| michael@0 | 10 | Byte kInvertTable[256]; |
| michael@0 | 11 | |
| michael@0 | 12 | class CInverterTableInitializer |
| michael@0 | 13 | { |
| michael@0 | 14 | public: |
| michael@0 | 15 | CInverterTableInitializer() |
| michael@0 | 16 | { |
| michael@0 | 17 | for(int i = 0; i < 256; i++) |
| michael@0 | 18 | { |
| michael@0 | 19 | Byte b = Byte(i); |
| michael@0 | 20 | Byte bInvert = 0; |
| michael@0 | 21 | for(int j = 0; j < 8; j++) |
| michael@0 | 22 | { |
| michael@0 | 23 | bInvert <<= 1; |
| michael@0 | 24 | if (b & 1) |
| michael@0 | 25 | bInvert |= 1; |
| michael@0 | 26 | b >>= 1; |
| michael@0 | 27 | } |
| michael@0 | 28 | kInvertTable[i] = bInvert; |
| michael@0 | 29 | } |
| michael@0 | 30 | } |
| michael@0 | 31 | } g_InverterTableInitializer; |
| michael@0 | 32 | |
| michael@0 | 33 | |
| michael@0 | 34 | }} |
