mirror of
https://gitlab.winehq.org/wine/wine-gecko.git
synced 2024-09-13 09:24:08 -07:00
134 lines
3.4 KiB
C++
134 lines
3.4 KiB
C++
// ArchiveExports.cpp
|
|
|
|
#include "StdAfx.h"
|
|
|
|
#include "../../Common/ComTry.h"
|
|
|
|
#include "../../Windows/PropVariant.h"
|
|
|
|
#include "../Common/RegisterArc.h"
|
|
|
|
static const unsigned int kNumArcsMax = 48;
|
|
static unsigned int g_NumArcs = 0;
|
|
static unsigned int g_DefaultArcIndex = 0;
|
|
static const CArcInfo *g_Arcs[kNumArcsMax];
|
|
void RegisterArc(const CArcInfo *arcInfo)
|
|
{
|
|
if (g_NumArcs < kNumArcsMax)
|
|
{
|
|
const wchar_t *p = arcInfo->Name;
|
|
if (p[0] == '7' && p[1] == 'z' && p[2] == 0)
|
|
g_DefaultArcIndex = g_NumArcs;
|
|
g_Arcs[g_NumArcs++] = arcInfo;
|
|
}
|
|
}
|
|
|
|
DEFINE_GUID(CLSID_CArchiveHandler,
|
|
0x23170F69, 0x40C1, 0x278A, 0x10, 0x00, 0x00, 0x01, 0x10, 0x00, 0x00, 0x00);
|
|
|
|
#define CLS_ARC_ID_ITEM(cls) ((cls).Data4[5])
|
|
|
|
static inline HRESULT SetPropString(const char *s, unsigned int size, PROPVARIANT *value)
|
|
{
|
|
if ((value->bstrVal = ::SysAllocStringByteLen(s, size)) != 0)
|
|
value->vt = VT_BSTR;
|
|
return S_OK;
|
|
}
|
|
|
|
static inline HRESULT SetPropGUID(const GUID &guid, PROPVARIANT *value)
|
|
{
|
|
return SetPropString((const char *)&guid, sizeof(GUID), value);
|
|
}
|
|
|
|
int FindFormatCalssId(const GUID *clsID)
|
|
{
|
|
GUID cls = *clsID;
|
|
CLS_ARC_ID_ITEM(cls) = 0;
|
|
if (cls != CLSID_CArchiveHandler)
|
|
return -1;
|
|
Byte id = CLS_ARC_ID_ITEM(*clsID);
|
|
for (unsigned i = 0; i < g_NumArcs; i++)
|
|
if (g_Arcs[i]->ClassId == id)
|
|
return (int)i;
|
|
return -1;
|
|
}
|
|
|
|
STDAPI CreateArchiver(const GUID *clsid, const GUID *iid, void **outObject)
|
|
{
|
|
COM_TRY_BEGIN
|
|
{
|
|
int needIn = (*iid == IID_IInArchive);
|
|
int needOut = (*iid == IID_IOutArchive);
|
|
if (!needIn && !needOut)
|
|
return E_NOINTERFACE;
|
|
int formatIndex = FindFormatCalssId(clsid);
|
|
if (formatIndex < 0)
|
|
return CLASS_E_CLASSNOTAVAILABLE;
|
|
|
|
const CArcInfo &arc = *g_Arcs[formatIndex];
|
|
if (needIn)
|
|
{
|
|
*outObject = arc.CreateInArchive();
|
|
((IInArchive *)*outObject)->AddRef();
|
|
}
|
|
else
|
|
{
|
|
if (!arc.CreateOutArchive)
|
|
return CLASS_E_CLASSNOTAVAILABLE;
|
|
*outObject = arc.CreateOutArchive();
|
|
((IOutArchive *)*outObject)->AddRef();
|
|
}
|
|
}
|
|
COM_TRY_END
|
|
return S_OK;
|
|
}
|
|
|
|
STDAPI GetHandlerProperty2(UInt32 formatIndex, PROPID propID, PROPVARIANT *value)
|
|
{
|
|
if (formatIndex >= g_NumArcs)
|
|
return E_INVALIDARG;
|
|
const CArcInfo &arc = *g_Arcs[formatIndex];
|
|
NWindows::NCOM::CPropVariant prop;
|
|
switch(propID)
|
|
{
|
|
case NArchive::kName:
|
|
prop = arc.Name;
|
|
break;
|
|
case NArchive::kClassID:
|
|
{
|
|
GUID clsId = CLSID_CArchiveHandler;
|
|
CLS_ARC_ID_ITEM(clsId) = arc.ClassId;
|
|
return SetPropGUID(clsId, value);
|
|
}
|
|
case NArchive::kExtension:
|
|
if (arc.Ext != 0)
|
|
prop = arc.Ext;
|
|
break;
|
|
case NArchive::kAddExtension:
|
|
if (arc.AddExt != 0)
|
|
prop = arc.AddExt;
|
|
break;
|
|
case NArchive::kUpdate:
|
|
prop = (bool)(arc.CreateOutArchive != 0);
|
|
break;
|
|
case NArchive::kKeepName:
|
|
prop = arc.KeepName;
|
|
break;
|
|
case NArchive::kStartSignature:
|
|
return SetPropString((const char *)arc.Signature, arc.SignatureSize, value);
|
|
}
|
|
prop.Detach(value);
|
|
return S_OK;
|
|
}
|
|
|
|
STDAPI GetHandlerProperty(PROPID propID, PROPVARIANT *value)
|
|
{
|
|
return GetHandlerProperty2(g_DefaultArcIndex, propID, value);
|
|
}
|
|
|
|
STDAPI GetNumberOfFormats(UINT32 *numFormats)
|
|
{
|
|
*numFormats = g_NumArcs;
|
|
return S_OK;
|
|
}
|