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https://github.com/Xevion/easy7zip.git
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110 lines
2.7 KiB
C++
Executable File
110 lines
2.7 KiB
C++
Executable File
// DLLExports.cpp
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#include "StdAfx.h"
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#include "Common/MyInitGuid.h"
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#include "Common/ComTry.h"
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#include "Windows/PropVariant.h"
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#include "../../ICoder.h"
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#include "GZipHandler.h"
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// {23170F69-40C1-278A-1000-000110EF0000}
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DEFINE_GUID(CLSID_CGZipHandler,
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0x23170F69, 0x40C1, 0x278A, 0x10, 0x00, 0x00, 0x01, 0x10, 0xEF, 0x00, 0x00);
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// {23170F69-40C1-278B-0401-080000000100}
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DEFINE_GUID(CLSID_CCompressDeflateEncoder,
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0x23170F69, 0x40C1, 0x278B, 0x04, 0x01, 0x08, 0x00, 0x00, 0x00, 0x01, 0x00);
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// {23170F69-40C1-278B-0401-080000000000}
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DEFINE_GUID(CLSID_CCompressDeflateDecoder,
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0x23170F69, 0x40C1, 0x278B, 0x04, 0x01, 0x08, 0x00, 0x00, 0x00, 0x00, 0x00);
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HINSTANCE g_hInstance;
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#ifndef COMPRESS_DEFLATE
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#include "../Common/CodecsPath.h"
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CSysString GetDeflateCodecPath()
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{
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return GetCodecsFolderPrefix() + TEXT("Deflate.dll");
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}
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#endif
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extern "C"
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BOOL WINAPI DllMain(HINSTANCE hInstance, DWORD dwReason, LPVOID /*lpReserved*/)
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{
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if (dwReason == DLL_PROCESS_ATTACH)
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g_hInstance = hInstance;
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return TRUE;
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}
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STDAPI CreateObject(
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const GUID *classID,
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const GUID *interfaceID,
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void **outObject)
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{
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COM_TRY_BEGIN
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*outObject = 0;
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if (*classID != CLSID_CGZipHandler)
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return CLASS_E_CLASSNOTAVAILABLE;
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int needIn = *interfaceID == IID_IInArchive;
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int needOut = *interfaceID == IID_IOutArchive;
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if (needIn || needOut)
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{
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NArchive::NGZip::CHandler *temp = new NArchive::NGZip::CHandler;
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if (needIn)
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{
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CMyComPtr<IInArchive> inArchive = (IInArchive *)temp;
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*outObject = inArchive.Detach();
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}
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else
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{
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CMyComPtr<IOutArchive> outArchive = (IOutArchive *)temp;
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*outObject = outArchive.Detach();
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}
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}
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else
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return E_NOINTERFACE;
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COM_TRY_END
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return S_OK;
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}
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STDAPI GetHandlerProperty(PROPID propID, PROPVARIANT *value)
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{
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NWindows::NCOM::CPropVariant propVariant;
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switch(propID)
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{
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case NArchive::kName:
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propVariant = L"GZip";
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break;
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case NArchive::kClassID:
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{
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if ((value->bstrVal = ::SysAllocStringByteLen(
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(const char *)&CLSID_CGZipHandler, sizeof(GUID))) != 0)
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value->vt = VT_BSTR;
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return S_OK;
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}
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case NArchive::kExtension:
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propVariant = L"gz tgz";
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break;
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case NArchive::kAddExtension:
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propVariant = L"* .tar";
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break;
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case NArchive::kUpdate:
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propVariant = true;
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break;
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case NArchive::kKeepName:
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propVariant = true;
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break;
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case NArchive::kStartSignature:
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{
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const unsigned char sig[] = { 0x1F, 0x8B };
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if ((value->bstrVal = ::SysAllocStringByteLen((const char *)sig, 2)) != 0)
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value->vt = VT_BSTR;
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return S_OK;
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}
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}
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propVariant.Detach(value);
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return S_OK;
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}
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