You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
678 lines
22 KiB
678 lines
22 KiB
/////////////////////////////////////////////////////////////////////////////
|
|
//
|
|
// CreateRegBag.cpp : Implementation of CCreateRegBag
|
|
// Copyright (c) Microsoft Corporation 1999.
|
|
//
|
|
// some code copied from DShow device moniker devmon.cpp
|
|
//
|
|
|
|
#include "stdafx.h"
|
|
#include "Regbag.h"
|
|
#include "CreateRegBag.h"
|
|
|
|
DEFINE_EXTERN_OBJECT_ENTRY(CLSID_CreatePropBagOnRegKey, CCreateRegBag)
|
|
|
|
// REV2: support for more data types
|
|
// REG_MULTI_SZ could be supported via VT_BSTR | VT_ARRAY
|
|
// REG_BINARY blobs could be vt_unknown that's an istream
|
|
// subkeys could be vt_unknown that's an IPropertyBag2 if default val isn't clsid
|
|
//
|
|
|
|
/////////////////////////////////////////////////////////////////////////////
|
|
// CCreateRegBag
|
|
|
|
HRESULT CRegBagBase::DeleteSubKey(CRegKey& hk, LPCOLESTR pszPropName) {
|
|
// the registry will allow a peer subkey and value to have the same name
|
|
// this doesn't match property bag semantics. so we force this to never occur.
|
|
// after we write a primitive value then we check for a subkey of the
|
|
// same name and recursively delete it if it exists. from the property bag
|
|
// perspective this amounts to changing the type of the property by writing
|
|
// a new type to the same name.
|
|
// however, if pszpropname is empty(the default value) the current key will
|
|
// get deleted which we don't want
|
|
|
|
ASSERT(hk.m_hKey != NULL && pszPropName);
|
|
|
|
if (!wcslen(pszPropName)) {
|
|
return NOERROR;
|
|
}
|
|
|
|
USES_CONVERSION;
|
|
DWORD hr = hk.RecurseDeleteKey(OLE2CT(pszPropName));
|
|
switch (hr) {
|
|
case ERROR_BADKEY:
|
|
case ERROR_CANTOPEN:
|
|
case ERROR_KEY_DELETED:
|
|
case ERROR_FILE_NOT_FOUND:
|
|
return S_FALSE;
|
|
default:
|
|
return HRESULT_FROM_WIN32(hr);
|
|
}
|
|
}
|
|
|
|
|
|
HRESULT CRegBagBase::DeleteValue(CRegKey& hk, LPCOLESTR pszPropName) {
|
|
ASSERT(hk.m_hKey && pszPropName);
|
|
// this is the inverse of delete duplicate key name
|
|
|
|
USES_CONVERSION;
|
|
DWORD hr = hk.DeleteValue(OLE2CT(pszPropName));
|
|
switch (hr) {
|
|
case ERROR_FILE_NOT_FOUND:
|
|
#if 0
|
|
??? what else does reg return for missing value
|
|
case ??? missing value
|
|
#endif
|
|
return S_FALSE;
|
|
default:
|
|
return HRESULT_FROM_WIN32(hr);
|
|
}
|
|
}
|
|
|
|
|
|
HRESULT CRegBagBase::RegConvertToVARIANT(VARIANT *pVar, DWORD dwType, LPBYTE pbData, DWORD cbSize) {
|
|
ASSERT(pVar && pbData);
|
|
USES_CONVERSION;
|
|
switch (dwType) {
|
|
case REG_DWORD:
|
|
if (pVar->vt != VT_UI4) {
|
|
HRESULT hr = VariantChangeType(pVar, pVar, 0, VT_UI4);
|
|
if (FAILED(hr)) {
|
|
return E_INVALIDARG;
|
|
}
|
|
}
|
|
ASSERT(pVar->vt == VT_UI4);
|
|
ASSERT(pbData);
|
|
pVar->ulVal = *(reinterpret_cast<ULONG *>(pbData));
|
|
break;
|
|
case REG_QWORD:
|
|
if (pVar->vt != VT_UI8) {
|
|
HRESULT hr = VariantChangeType(pVar, pVar, 0, VT_UI8);
|
|
if (FAILED(hr)) {
|
|
return E_INVALIDARG;
|
|
}
|
|
}
|
|
ASSERT(pVar->vt == VT_UI8);
|
|
ASSERT(pbData);
|
|
pVar->ullVal = *(reinterpret_cast<ULONGLONG *>(pbData));
|
|
break;
|
|
case REG_SZ:
|
|
switch(pVar->vt) {
|
|
case VT_EMPTY:
|
|
case VT_NULL:
|
|
pVar->vt = VT_BSTR;
|
|
pVar->bstrVal = NULL;
|
|
break;
|
|
case VT_BSTR:
|
|
break;
|
|
default:
|
|
HRESULT hr = VariantChangeType(pVar, pVar, 0, VT_BSTR);
|
|
if (FAILED(hr)) {
|
|
return E_INVALIDARG;
|
|
}
|
|
}
|
|
ASSERT(pVar->vt == VT_BSTR);
|
|
if (pVar->bstrVal) {
|
|
::SysFreeString(pVar->bstrVal);
|
|
}
|
|
if (cbSize) {
|
|
ASSERT(pbData);
|
|
pVar->bstrVal = ::SysAllocString(T2OLE(LPTSTR(pbData)));
|
|
} else {
|
|
pVar->bstrVal = NULL; // empty string
|
|
}
|
|
break;
|
|
case REG_MULTI_SZ:
|
|
switch(pVar->vt) {
|
|
case VT_EMPTY:
|
|
case VT_NULL:
|
|
pVar->vt = VT_BSTR_BLOB;
|
|
break;
|
|
case VT_VECTOR | VT_BSTR:
|
|
case VT_BSTR:
|
|
if (pVar->bstrVal) {
|
|
::SysFreeString(pVar->bstrVal);
|
|
}
|
|
pVar->vt = VT_BSTR_BLOB;
|
|
break;
|
|
default:
|
|
pVar->vt = VT_BSTR_BLOB;
|
|
}
|
|
if (cbSize) {
|
|
pVar->bstrVal = ::SysAllocStringByteLen(NULL, cbSize);
|
|
if (!pVar->bstrVal) {
|
|
return E_OUTOFMEMORY;
|
|
}
|
|
if (pbData) {
|
|
memcpy(pVar->bstrVal, pbData, cbSize);
|
|
}
|
|
}
|
|
break;
|
|
|
|
default: // binary
|
|
switch (pVar->vt) {
|
|
case VT_BSTR_BLOB:
|
|
case VT_BSTR:
|
|
if (pVar->bstrVal) {
|
|
::SysFreeString(pVar->bstrVal);
|
|
}
|
|
pVar->bstrVal = ::SysAllocStringByteLen(NULL, cbSize);
|
|
if (!pVar->bstrVal) {
|
|
return E_OUTOFMEMORY;
|
|
}
|
|
if (pbData) {
|
|
memcpy(pVar->bstrVal, pbData, cbSize);
|
|
}
|
|
break;
|
|
default:
|
|
if (pVar->vt != (VT_UI1 | VT_ARRAY)) {
|
|
HRESULT hr = VariantChangeType(pVar, pVar, 0, VT_UI1 | VT_ARRAY);
|
|
if (FAILED(hr)) {
|
|
return E_INVALIDARG;
|
|
}
|
|
}
|
|
ASSERT(pVar->vt == (VT_UI1 | VT_ARRAY));
|
|
SAFEARRAY * psa = NULL;
|
|
if (cbSize) {
|
|
ASSERT(pbData);
|
|
SAFEARRAYBOUND rgsabound[1];
|
|
rgsabound[0].lLbound = 0;
|
|
rgsabound[0].cElements = cbSize;
|
|
psa = SafeArrayCreate(VT_UI1, 1, rgsabound);
|
|
if(!psa) {
|
|
return E_OUTOFMEMORY;
|
|
}
|
|
BYTE *pbArray;
|
|
HRESULT hr = SafeArrayAccessData(psa, reinterpret_cast<LPVOID *>(&pbArray));
|
|
if (hr != S_OK) {
|
|
return E_FAIL;
|
|
}
|
|
memcpy(pbArray, pbData, cbSize);
|
|
hr = SafeArrayUnaccessData(psa);
|
|
if (hr != S_OK) {
|
|
return E_FAIL;
|
|
}
|
|
}
|
|
pVar->parray = psa;
|
|
}
|
|
}
|
|
return NOERROR;
|
|
}
|
|
|
|
HRESULT CRegBagBase::SaveObject(CRegKey& hk, LPCOLESTR pszPropName, VARIANT* pV) {
|
|
ASSERT(hk.m_hKey && pszPropName && pV);
|
|
if (pV->vt != VT_UNKNOWN) {
|
|
return E_UNEXPECTED;
|
|
}
|
|
HRESULT hr = NOERROR;
|
|
USES_CONVERSION;
|
|
if (!pV->punkVal) {
|
|
hk.DeleteValue(OLE2CT(pszPropName));
|
|
hk.RecurseDeleteKey(OLE2CT(pszPropName));
|
|
} else {
|
|
PQPersistPropertyBag2 p2(pV->punkVal);
|
|
if (p2) {
|
|
CRegKey sk;
|
|
DWORD rc = sk.Create(m_hk, OLE2CT(pszPropName), NULL, 0, KEY_READ | KEY_WRITE, NULL, NULL);
|
|
if (rc != ERROR_SUCCESS) {
|
|
return HRESULT_FROM_WIN32(rc);
|
|
}
|
|
CLSID cl;
|
|
hr = p2->GetClassID(&cl);
|
|
if (FAILED(hr)) {
|
|
return E_UNEXPECTED;
|
|
}
|
|
OLECHAR szClsid[64];
|
|
rc = StringFromGUID2(cl, szClsid, sizeof(szClsid)/sizeof(OLECHAR));
|
|
if (!rc) {
|
|
return E_UNEXPECTED;
|
|
}
|
|
rc = RegSetValue(sk, NULL, REG_SZ, OLE2T(szClsid), _tcslen(OLE2T(szClsid)) * sizeof(TCHAR));
|
|
if (rc != ERROR_SUCCESS) {
|
|
return HRESULT_FROM_WIN32(rc);
|
|
}
|
|
try {
|
|
PQPropertyBag2 pBag2(new CRegBag(sk, NULL, 0, KEY_READ | KEY_WRITE));
|
|
if (pBag2) {
|
|
hr = p2->Save(pBag2, false, true);
|
|
} else {
|
|
hr = E_OUTOFMEMORY;
|
|
}
|
|
} CATCHCOM();
|
|
} else {
|
|
PQPersistPropertyBag p(pV->punkVal);
|
|
if (p) {
|
|
CRegKey sk;
|
|
DWORD rc = sk.Create(m_hk, OLE2CT(pszPropName), NULL, 0, KEY_READ | KEY_WRITE, NULL, NULL);
|
|
if (rc != ERROR_SUCCESS) {
|
|
return HRESULT_FROM_WIN32(rc);
|
|
}
|
|
CLSID cl;
|
|
hr = p->GetClassID(&cl);
|
|
if (FAILED(hr)) {
|
|
return E_UNEXPECTED;
|
|
}
|
|
OLECHAR szClsid[64];
|
|
rc = StringFromGUID2(cl, szClsid, sizeof(szClsid)/sizeof(OLECHAR));
|
|
if (!rc) {
|
|
return E_UNEXPECTED;
|
|
}
|
|
rc = RegSetValue(sk, NULL, REG_SZ, OLE2T(szClsid), _tcslen(OLE2T(szClsid)) * sizeof(TCHAR));
|
|
if (rc != ERROR_SUCCESS) {
|
|
return HRESULT_FROM_WIN32(rc);
|
|
}
|
|
try {
|
|
PQPropertyBag pBag(new CRegBag(sk, NULL, 0, KEY_READ | KEY_WRITE));
|
|
if (pBag) {
|
|
hr = p->Save(pBag, false, true);
|
|
} else {
|
|
hr = E_OUTOFMEMORY;
|
|
}
|
|
} CATCHCOM();
|
|
}
|
|
}
|
|
// rev2: support other persistence interfaces, esp stream via shopenregstream()
|
|
}
|
|
|
|
return hr;
|
|
}
|
|
|
|
// IPropertyBag
|
|
STDMETHODIMP CRegBagBase::Read(LPCOLESTR pszPropName, VARIANT *pVar, IErrorLog *pErrorLog) {
|
|
if (!pszPropName || !pVar) {
|
|
return E_POINTER;
|
|
}
|
|
ATL_LOCK();
|
|
DWORD dwType, cbSize = 64;
|
|
BYTE data[64];
|
|
LPBYTE pbData = data;
|
|
USES_CONVERSION;
|
|
HRESULT hr = RegQueryValueEx(m_hk, OLE2CT(pszPropName), NULL, &dwType, pbData, &cbSize);
|
|
if (hr == ERROR_SUCCESS) {
|
|
return RegConvertToVARIANT(pVar, dwType, pbData, cbSize);
|
|
} else if (hr == ERROR_MORE_DATA) {
|
|
cbSize += sizeof(TCHAR);
|
|
pbData = new BYTE[cbSize];
|
|
hr = RegQueryValueEx(m_hk, OLE2CT(pszPropName), NULL, &dwType, pbData, &cbSize);
|
|
if (hr == ERROR_SUCCESS) {
|
|
hr = RegConvertToVARIANT(pVar, dwType, pbData, cbSize);
|
|
delete[] pbData;
|
|
return hr;
|
|
}
|
|
delete[] pbData;
|
|
}
|
|
// must be a key, so try the object
|
|
CRegKey sk;
|
|
hr = sk.Open(m_hk, OLE2CT(pszPropName), KEY_READ);
|
|
if (hr != ERROR_SUCCESS) {
|
|
return HRESULT_FROM_WIN32(hr);
|
|
}
|
|
TCHAR pszclsid[80 * sizeof(TCHAR)];
|
|
LONG dwSize = sizeof(pszclsid);
|
|
hr = RegQueryValue(sk, NULL, pszclsid, &dwSize);
|
|
if (hr != ERROR_SUCCESS) {
|
|
return HRESULT_FROM_WIN32(hr);
|
|
}
|
|
GUID clsid;
|
|
hr = CLSIDFromString(T2OLE(pszclsid), &clsid);
|
|
if (FAILED(hr)) {
|
|
return E_FAIL;
|
|
}
|
|
switch (pVar->vt) {
|
|
case VT_EMPTY:
|
|
case VT_NULL:
|
|
//DISPATCH is preferred if object supports it. if not we'll convert back
|
|
// to unknown down below.
|
|
pVar->vt = VT_DISPATCH;
|
|
pVar->pdispVal = NULL;
|
|
break;
|
|
case VT_DISPATCH:
|
|
case VT_UNKNOWN:
|
|
break;
|
|
default:
|
|
hr = VariantChangeType(pVar, pVar, 0, VT_DISPATCH);
|
|
if (FAILED(hr)) {
|
|
hr = VariantChangeType(pVar, pVar, 0, VT_UNKNOWN);
|
|
if (FAILED(hr)) {
|
|
return E_INVALIDARG;
|
|
}
|
|
}
|
|
}
|
|
PQPersistPropertyBag pPersistObj(((pVar->vt == VT_UNKNOWN) ? pVar->punkVal : pVar->pdispVal));
|
|
hr = LoadPersistedObject<PQPropertyBag, PQPersistPropertyBag> (pPersistObj, clsid, pVar, m_hk, pszPropName, pErrorLog);
|
|
if (FAILED(hr)) {
|
|
PQPersistPropertyBag2 pPersistObj2(((pVar->vt == VT_UNKNOWN) ? pVar->punkVal : pVar->pdispVal));
|
|
hr = LoadPersistedObject<PQPropertyBag2, PQPersistPropertyBag2> (pPersistObj2, clsid, pVar, m_hk, pszPropName, pErrorLog);
|
|
}
|
|
return hr;
|
|
}
|
|
|
|
STDMETHODIMP CRegBagBase::Write(LPCOLESTR pszPropName, VARIANT *pVar) {
|
|
if (!pszPropName || !pVar) {
|
|
return E_POINTER;
|
|
}
|
|
ATL_LOCK();
|
|
|
|
HRESULT hrc;
|
|
if (pVar->vt & VT_BYREF) {
|
|
hrc = VariantChangeType(pVar, pVar, 0, pVar->vt & ~VT_BYREF);
|
|
if (FAILED(hrc)) {
|
|
return E_INVALIDARG;
|
|
}
|
|
}
|
|
USES_CONVERSION;
|
|
hrc = NOERROR;
|
|
switch(pVar->vt) {
|
|
case VT_I1: //fall thru
|
|
case VT_I2: //fall thru
|
|
case VT_I4: //fall thru
|
|
case VT_UI1: //fall thru
|
|
case VT_UI2: //change type and fall thru
|
|
case VT_INT: //change type and fall thru
|
|
case VT_UINT: //change type and fall thru
|
|
case VT_BOOL: //change type and fall thru
|
|
hrc = VariantChangeType(pVar, pVar, 0, VT_UI4);
|
|
if (FAILED(hrc)) {
|
|
return E_INVALIDARG;
|
|
}
|
|
case VT_UI4: //REG_DWORD
|
|
hrc = RegSetValueEx(
|
|
m_hk,
|
|
OLE2CT(pszPropName),
|
|
0, // dwReserved
|
|
REG_DWORD,
|
|
reinterpret_cast<LPBYTE>(&pVar->ulVal),
|
|
sizeof(pVar->ulVal));
|
|
if (hrc != ERROR_SUCCESS) {
|
|
return HRESULT_FROM_WIN32(hrc);
|
|
}
|
|
// make sure no old object exists
|
|
DeleteSubKey(m_hk, pszPropName);
|
|
break;
|
|
|
|
case VT_BSTR: { //REG_SZ
|
|
hrc = ERROR_SUCCESS;
|
|
LPTSTR val = OLE2T(pVar->bstrVal);
|
|
if (val) {
|
|
UINT len = ::SysStringByteLen(pVar->bstrVal);
|
|
hrc = RegSetValueEx(
|
|
m_hk,
|
|
OLE2CT(pszPropName),
|
|
0, // dwReserved
|
|
REG_SZ,
|
|
reinterpret_cast<LPBYTE>(val),
|
|
len);
|
|
}
|
|
if (hrc == ERROR_SUCCESS) {
|
|
// make sure no old object exists
|
|
DeleteSubKey(m_hk, pszPropName);
|
|
}
|
|
} break;
|
|
#if 0
|
|
// we're not actually going to enable this since REG_MULTI_SZ only exists on NT
|
|
// if we had REG_MULTI_SZ on 9x then we'd have to loop over the hole block skipping embedded nulls and unicode/ansi convert the
|
|
// entire vector of strings
|
|
// instead we're just going to treat vectors of bstrs as binary blobs
|
|
case VT_VECTOR | VT_BSTR: { //REG_MULTI_SZ
|
|
hrc = ERROR_SUCCESS;
|
|
LPTSTR val = OLE2T(pVar->bstrVal);
|
|
if (val) {
|
|
UINT len = ::SysStringByteLen(pVar->bstrVal);
|
|
hrc = RegSetValueEx(
|
|
m_hk,
|
|
OLE2CT(pszPropName),
|
|
0, // dwReserved
|
|
REG_MULTI_SZ,
|
|
reinterpret_cast<LPBYTE>(val),
|
|
len);
|
|
}
|
|
if (hrc == ERROR_SUCCESS) {
|
|
// make sure no old object exists
|
|
DeleteSubKey(m_hk, pszPropName);
|
|
}
|
|
} break;
|
|
#else
|
|
case VT_VECTOR | VT_BSTR: // fall-thru to array(REG_BINARY)
|
|
#endif
|
|
case VT_BSTR_BLOB: { //REG_BINARY
|
|
SIZE_T len = 0;
|
|
LPBYTE pData = reinterpret_cast<LPBYTE>(pVar->bstrVal);
|
|
if (pData) {
|
|
len = ::SysStringByteLen(pVar->bstrVal);
|
|
hrc = RegSetValueEx(
|
|
m_hk,
|
|
OLE2CT(pszPropName),
|
|
0, // dwReserved
|
|
REG_BINARY,
|
|
pData,
|
|
len);
|
|
if (hrc == ERROR_SUCCESS) {
|
|
// make sure no old object exists
|
|
DeleteSubKey(m_hk, pszPropName);
|
|
}
|
|
}
|
|
} break;
|
|
case VT_ARRAY | VT_UI1: { //REG_BINARY
|
|
LPBYTE pData = NULL;
|
|
SIZE_T len = 0;
|
|
if (pVar->parray) {
|
|
HRESULT hr = SafeArrayAccessData(pVar->parray, reinterpret_cast<LPVOID *>(&pData));
|
|
if (FAILED(hr)) {
|
|
return hr;
|
|
}
|
|
for (int i = pVar->parray->cDims; i--;) {
|
|
len += pVar->parray->rgsabound[i].cElements;
|
|
}
|
|
len *= pVar->parray->cbElements;
|
|
hrc = RegSetValueEx(
|
|
m_hk,
|
|
OLE2CT(pszPropName),
|
|
0, // dwReserved
|
|
REG_BINARY,
|
|
pData,
|
|
len);
|
|
if (hrc == ERROR_SUCCESS) {
|
|
// make sure no old object exists
|
|
DeleteSubKey(m_hk, pszPropName);
|
|
}
|
|
SafeArrayUnaccessData(pVar->parray);
|
|
}
|
|
} break;
|
|
case VT_I8://change type and fall thru
|
|
hrc = VariantChangeType(pVar, pVar, 0, VT_UI8);
|
|
if (FAILED(hrc)) {
|
|
return E_INVALIDARG;
|
|
}
|
|
case VT_UI8: //REG_QWORD
|
|
hrc = RegSetValueEx(
|
|
m_hk,
|
|
OLE2CT(pszPropName),
|
|
0, // dwReserved
|
|
REG_QWORD,
|
|
reinterpret_cast<LPBYTE>(&pVar->ullVal),
|
|
sizeof(pVar->ullVal));
|
|
if (hrc == ERROR_SUCCESS) {
|
|
// make sure no old object exists
|
|
DeleteSubKey(m_hk, pszPropName);
|
|
}
|
|
break;
|
|
case VT_DISPATCH:
|
|
hrc = VariantChangeType(pVar, pVar, 0, VT_UNKNOWN);
|
|
if (FAILED(hrc)) {
|
|
return E_UNEXPECTED;
|
|
}
|
|
case VT_UNKNOWN:
|
|
DeleteValue(m_hk, pszPropName);
|
|
hrc = SaveObject(m_hk, pszPropName, pVar);
|
|
break;
|
|
case VT_EMPTY:
|
|
case VT_NULL:
|
|
// remove from registry
|
|
DeleteValue(m_hk, pszPropName);
|
|
DeleteSubKey(m_hk, pszPropName);
|
|
hrc = NOERROR;
|
|
break;
|
|
default:
|
|
hrc = E_INVALIDARG;
|
|
}
|
|
return hrc;
|
|
}
|
|
|
|
|
|
STDMETHODIMP CRegBag::CountProperties(ULONG * pcProperties) {
|
|
if (!pcProperties) {
|
|
return E_POINTER;
|
|
}
|
|
ATL_LOCK();
|
|
if (!pcProperties) {
|
|
return E_POINTER;
|
|
}
|
|
DWORD cKeys, cValues;
|
|
DWORD rc = RegQueryInfoKey(m_hk,
|
|
NULL, NULL, NULL,
|
|
&cKeys, NULL, NULL,
|
|
&cValues, NULL, NULL,
|
|
NULL, NULL);
|
|
if (rc != ERROR_SUCCESS) {
|
|
return HRESULT_FROM_WIN32(rc);
|
|
}
|
|
*pcProperties = cKeys + cValues;
|
|
return NOERROR;
|
|
}
|
|
|
|
STDMETHODIMP CRegBag::GetPropertyInfo(ULONG iProperty, ULONG cProperties, PROPBAG2* pPropBag, ULONG * pcProperties) {
|
|
if (!pPropBag || !pcProperties) {
|
|
return E_POINTER;
|
|
}
|
|
ATL_LOCK();
|
|
memset(pPropBag, 0, sizeof(*pPropBag) * cProperties);
|
|
// NOTE: since the registry functions don't provide a unified enumeration
|
|
// of subkeys and values, we're just going to establish values as coming
|
|
// before subkeys by definition.
|
|
DWORD cKeys, cValues, cbMaxKeyName, cbMaxValueName, cbMaxValue;
|
|
DWORD rc = RegQueryInfoKey(m_hk,
|
|
NULL, NULL, NULL,
|
|
&cKeys, &cbMaxKeyName, NULL,
|
|
&cValues, &cbMaxValueName, &cbMaxValue,
|
|
NULL, NULL);
|
|
if (rc != ERROR_SUCCESS) {
|
|
return HRESULT_FROM_WIN32(rc);
|
|
}
|
|
// nt doesn't return enough room for the terminating character
|
|
// but these are still char counts not byte counts yet.
|
|
++cbMaxKeyName;
|
|
++cbMaxValueName;
|
|
|
|
cbMaxKeyName *= sizeof(TCHAR);
|
|
cbMaxValueName *= sizeof(TCHAR);
|
|
// now they're real byte counts
|
|
|
|
DWORD dwValIndex = 0, dwBagIndex = 0;
|
|
USES_CONVERSION;
|
|
if (iProperty < cValues) {
|
|
LPTSTR pszName = new TCHAR[cbMaxValueName + 1];
|
|
// we're starting with values
|
|
for (;dwValIndex < cProperties; ++dwValIndex) {
|
|
DWORD Type;
|
|
DWORD cbName = cbMaxValueName + 1;
|
|
rc = RegEnumValue(m_hk, dwValIndex, pszName, &cbName, NULL, &Type, NULL, NULL);
|
|
if (rc != ERROR_SUCCESS) {
|
|
break;
|
|
}
|
|
if (dwValIndex < iProperty) {
|
|
continue; // skip until we get to first requested
|
|
}
|
|
switch (Type) {
|
|
case REG_DWORD:
|
|
pPropBag[dwBagIndex].dwType = PROPBAG2_TYPE_DATA;
|
|
pPropBag[dwBagIndex].vt = VT_UI4;
|
|
break;
|
|
case REG_QWORD:
|
|
pPropBag[dwBagIndex].dwType = PROPBAG2_TYPE_DATA;
|
|
pPropBag[dwBagIndex].vt = VT_UI8;
|
|
break;
|
|
case REG_SZ:
|
|
pPropBag[dwBagIndex].dwType = PROPBAG2_TYPE_DATA;
|
|
pPropBag[dwBagIndex].vt = VT_BSTR;
|
|
pPropBag[dwBagIndex].cfType = CF_TEXT;
|
|
break;
|
|
default: // binary
|
|
pPropBag[dwBagIndex].dwType = PROPBAG2_TYPE_DATA;
|
|
pPropBag[dwBagIndex].vt = VT_UI1 | VT_ARRAY;
|
|
break;
|
|
}
|
|
int len = sizeof(OLECHAR) * (_tcsclen(pszName) + 1);
|
|
pPropBag[dwBagIndex].pstrName = reinterpret_cast<LPOLESTR>(CoTaskMemAlloc(len + 1));
|
|
if (!pPropBag[dwBagIndex].pstrName) {
|
|
delete[] pszName;
|
|
return E_OUTOFMEMORY;
|
|
}
|
|
(void)StringCchCopy(pPropBag[dwBagIndex].pstrName, len + 1, T2OLE(pszName));
|
|
++dwBagIndex;
|
|
}
|
|
delete[] pszName;
|
|
}
|
|
DWORD dwKeyIndex = 0;
|
|
if (iProperty < cKeys + cValues) {
|
|
LPTSTR pszName = new TCHAR[cbMaxKeyName + 1];
|
|
for (; (dwKeyIndex + dwValIndex) < cProperties; ++dwKeyIndex) {
|
|
DWORD cbName = cbMaxKeyName + 1;
|
|
rc = RegEnumKeyEx(m_hk, dwKeyIndex, pszName, &cbName, NULL, NULL, NULL, NULL);
|
|
if (rc != ERROR_SUCCESS) {
|
|
break;
|
|
}
|
|
if ((dwValIndex + dwKeyIndex) < iProperty) {
|
|
continue;
|
|
}
|
|
pPropBag[dwBagIndex].dwType = PROPBAG2_TYPE_OBJECT;
|
|
pPropBag[dwBagIndex].vt = VT_UNKNOWN;
|
|
|
|
int len = sizeof(OLECHAR) * (_tcsclen(pszName) + 1);
|
|
pPropBag[dwBagIndex].pstrName = reinterpret_cast<LPOLESTR>(CoTaskMemAlloc(len + 1));
|
|
if (!pPropBag[dwBagIndex].pstrName) {
|
|
delete[] pszName;
|
|
return E_OUTOFMEMORY;
|
|
}
|
|
(void)StringCchCopy(pPropBag[dwBagIndex].pstrName, len + 1, T2OLE(pszName));
|
|
++dwBagIndex;
|
|
}
|
|
delete[] pszName;
|
|
}
|
|
*pcProperties = dwBagIndex;
|
|
return NOERROR;
|
|
}
|
|
|
|
STDMETHODIMP CRegBag::LoadObject(LPCOLESTR pstrName, ULONG dwHint, IUnknown * pUnkObject, IErrorLog * pErrLog) {
|
|
if (!pstrName || !pUnkObject) {
|
|
return E_POINTER;
|
|
}
|
|
VARIANT v; // don't clear the variant, we're guaranteed nested lifetimes and
|
|
// we're not addref'ing
|
|
v.vt = VT_UNKNOWN;
|
|
v.punkVal = pUnkObject;
|
|
return Read(pstrName, &v, pErrLog);
|
|
}
|
|
|
|
|
|
STDMETHODIMP CCreateRegBag::Create(HKEY hkey, LPCOLESTR subkey, DWORD options, DWORD sam, REFIID iid, LPVOID* ppBag) {
|
|
if (!ppBag) {
|
|
return E_POINTER;
|
|
}
|
|
ATL_LOCK();
|
|
if (ppBag == NULL)
|
|
return E_POINTER;
|
|
try {
|
|
USES_CONVERSION;
|
|
if (iid == __uuidof(IPropertyBag)) {
|
|
PQPropertyBag temp = new CRegBag(hkey, OLE2CT(subkey), options, sam);
|
|
*ppBag = temp.Detach();
|
|
} else if (iid == __uuidof(IPropertyBag2)) {
|
|
PQPropertyBag2 temp = new CRegBag(hkey, OLE2CT(subkey), options, sam);
|
|
*ppBag = temp.Detach();
|
|
} else {
|
|
return E_NOTIMPL;
|
|
}
|
|
if (!*ppBag) return E_OUTOFMEMORY;
|
|
return NOERROR;
|
|
} CATCHCOM();
|
|
}
|