diff options
Diffstat (limited to 'src/libs/7zip/win/CPP/7zip/Compress/ByteSwap.cpp')
-rw-r--r-- | src/libs/7zip/win/CPP/7zip/Compress/ByteSwap.cpp | 73 |
1 files changed, 0 insertions, 73 deletions
diff --git a/src/libs/7zip/win/CPP/7zip/Compress/ByteSwap.cpp b/src/libs/7zip/win/CPP/7zip/Compress/ByteSwap.cpp deleted file mode 100644 index 645b6ffcd..000000000 --- a/src/libs/7zip/win/CPP/7zip/Compress/ByteSwap.cpp +++ /dev/null @@ -1,73 +0,0 @@ -// ByteSwap.cpp - -#include "StdAfx.h" - -#include "../../Common/MyCom.h" - -#include "../ICoder.h" - -#include "../Common/RegisterCodec.h" - -class CByteSwap2: - public ICompressFilter, - public CMyUnknownImp -{ -public: - MY_UNKNOWN_IMP - STDMETHOD(Init)(); - STDMETHOD_(UInt32, Filter)(Byte *data, UInt32 size); -}; - -class CByteSwap4: - public ICompressFilter, - public CMyUnknownImp -{ -public: - MY_UNKNOWN_IMP - STDMETHOD(Init)(); - STDMETHOD_(UInt32, Filter)(Byte *data, UInt32 size); -}; - -STDMETHODIMP CByteSwap2::Init() { return S_OK; } - -STDMETHODIMP_(UInt32) CByteSwap2::Filter(Byte *data, UInt32 size) -{ - const UInt32 kStep = 2; - UInt32 i; - for (i = 0; i + kStep <= size; i += kStep) - { - Byte b = data[i]; - data[i] = data[i + 1]; - data[i + 1] = b; - } - return i; -} - -STDMETHODIMP CByteSwap4::Init() { return S_OK; } - -STDMETHODIMP_(UInt32) CByteSwap4::Filter(Byte *data, UInt32 size) -{ - const UInt32 kStep = 4; - UInt32 i; - for (i = 0; i + kStep <= size; i += kStep) - { - Byte b0 = data[i]; - Byte b1 = data[i + 1]; - data[i] = data[i + 3]; - data[i + 1] = data[i + 2]; - data[i + 2] = b1; - data[i + 3] = b0; - } - return i; -} - -static void *CreateCodec2() { return (void *)(ICompressFilter *)(new CByteSwap2); } -static void *CreateCodec4() { return (void *)(ICompressFilter *)(new CByteSwap4); } - -static CCodecInfo g_CodecsInfo[] = -{ - { CreateCodec2, CreateCodec2, 0x020302, L"Swap2", 1, true }, - { CreateCodec4, CreateCodec4, 0x020304, L"Swap4", 1, true } -}; - -REGISTER_CODECS(ByteSwap) |