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127 lines
3.5 KiB
C++
Executable File
127 lines
3.5 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 "DeflateEncoder.h"
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#include "DeflateDecoder.h"
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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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// {23170F69-40C1-278B-0401-090000000000}
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DEFINE_GUID(CLSID_CCompressDeflate64Decoder,
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0x23170F69, 0x40C1, 0x278B, 0x04, 0x01, 0x09, 0x00, 0x00, 0x00, 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-0401-090000000100}
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DEFINE_GUID(CLSID_CCompressDeflate64Encoder,
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0x23170F69, 0x40C1, 0x278B, 0x04, 0x01, 0x09, 0x00, 0x00, 0x00, 0x01, 0x00);
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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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return TRUE;
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}
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STDAPI CreateObject(const GUID *clsid, const GUID *iid, void **outObject)
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{
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COM_TRY_BEGIN
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*outObject = 0;
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int correctInterface = (*iid == IID_ICompressCoder);
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CMyComPtr<ICompressCoder> coder;
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if (*clsid == CLSID_CCompressDeflateDecoder)
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{
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if (!correctInterface)
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return E_NOINTERFACE;
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coder = (ICompressCoder *)new NCompress::NDeflate::NDecoder::CCOMCoder();
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}
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else if (*clsid == CLSID_CCompressDeflateEncoder)
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{
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if (!correctInterface)
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return E_NOINTERFACE;
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coder = (ICompressCoder *)new NCompress::NDeflate::NEncoder::CCOMCoder();
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}
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else if (*clsid == CLSID_CCompressDeflate64Decoder)
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{
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if (!correctInterface)
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return E_NOINTERFACE;
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coder = (ICompressCoder *)new NCompress::NDeflate::NDecoder::CCOMCoder64();
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}
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else if (*clsid == CLSID_CCompressDeflate64Encoder)
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{
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if (!correctInterface)
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return E_NOINTERFACE;
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coder = (ICompressCoder *)new NCompress::NDeflate::NEncoder::CCOMCoder64();
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}
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else
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return CLASS_E_CLASSNOTAVAILABLE;
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*outObject = coder.Detach();
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COM_TRY_END
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return S_OK;
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}
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struct CDeflateMethodItem
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{
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char ID[3];
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const wchar_t *UserName;
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const GUID *Decoder;
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const GUID *Encoder;
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};
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#define METHOD_ITEM(Name, id, UserName) \
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{ { 0x04, 0x01, id }, UserName, \
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&CLSID_CCompress ## Name ## Decoder, \
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&CLSID_CCompress ## Name ## Encoder }
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static CDeflateMethodItem g_Methods[] =
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{
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METHOD_ITEM(Deflate, 0x08, L"Deflate"),
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METHOD_ITEM(Deflate64, 0x09, L"Deflate64")
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};
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STDAPI GetNumberOfMethods(UINT32 *numMethods)
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{
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*numMethods = sizeof(g_Methods) / sizeof(g_Methods[0]);
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return S_OK;
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}
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STDAPI GetMethodProperty(UINT32 index, PROPID propID, PROPVARIANT *value)
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{
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if (index > sizeof(g_Methods) / sizeof(g_Methods[0]))
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return E_INVALIDARG;
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VariantClear((tagVARIANT *)value);
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const CDeflateMethodItem &method = g_Methods[index];
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switch(propID)
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{
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case NMethodPropID::kID:
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if ((value->bstrVal = ::SysAllocStringByteLen(method.ID,
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sizeof(method.ID))) != 0)
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value->vt = VT_BSTR;
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return S_OK;
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case NMethodPropID::kName:
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if ((value->bstrVal = ::SysAllocString(method.UserName)) != 0)
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value->vt = VT_BSTR;
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return S_OK;
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case NMethodPropID::kDecoder:
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if ((value->bstrVal = ::SysAllocStringByteLen(
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(const char *)method.Decoder, sizeof(GUID))) != 0)
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value->vt = VT_BSTR;
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return S_OK;
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case NMethodPropID::kEncoder:
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if ((value->bstrVal = ::SysAllocStringByteLen(
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(const char *)method.Encoder, 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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return S_OK;
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}
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