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WindowsXP-SP1/base/fs/hsm/wsb/wsbguid.cpp

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First commit
2001-01-01 00:00:00 +01:00
/*++
<EFBFBD> 1998 Seagate Software, Inc. All rights reserved
Module Name:
wsbguid.cpp
Abstract:
This component is an object representations of the GUID standard type. It
is both a persistable and collectable.
Author:
Chuck Bardeen [cbardeen] 29-Oct-1996
Revision History:
--*/
#include "stdafx.h"
#include "wsbguid.h"
HRESULT
CWsbGuid::CompareToGuid(
IN GUID value,
OUT SHORT* pResult
)
/*++
Implements:
IWsbGuid::CompareToGuid
--*/
{
HRESULT hr = E_FAIL;
SHORT result;
WsbTraceIn(OLESTR("CWsbGuid::CompareToGuid"), OLESTR("value = <%ls>"), WsbGuidAsString(value));
// Compare.
result = WsbSign( memcmp(&m_value, &value, sizeof(GUID)) );
// If the aren't equal, then return false.
if (result != 0) {
hr = S_FALSE;
}
else {
hr = S_OK;
}
// If they asked for the relative value back, then return it to them.
if (pResult != NULL) {
*pResult = result;
}
WsbTraceOut(OLESTR("CWsbGuid::CompareToGuid"), OLESTR("hr = <%ls>, result = <%d>"), WsbHrAsString(hr), result);
return(hr);
}
HRESULT
CWsbGuid::CompareToIGuid(
IN IWsbGuid* pGuid,
OUT SHORT* pResult
)
/*++
Implements:
IWsbGuid::CompareToIGuid
--*/
{
HRESULT hr = E_FAIL;
GUID value;
WsbTraceIn(OLESTR("CWsbGuid::CompareToIGuid"), OLESTR(""));
try {
// Did they give us a valid item to compare to?
WsbAssert(0 != pGuid, E_POINTER);
// Get it's value and compare them.
WsbAffirmHr(pGuid->GetGuid(&value));
hr = CompareToGuid(value, pResult);
} WsbCatch(hr);
WsbTraceOut(OLESTR("CWsbGuid::CompareToIGuid"), OLESTR("hr = <%ls>, result = <%ls>"), WsbHrAsString(hr), WsbPtrToShortAsString(pResult));
return(hr);
}
HRESULT
CWsbGuid::CompareTo(
IN IUnknown* pCollectable,
OUT SHORT* pResult
)
/*++
Implements:
IWsbCollectable::CompareTo
--*/
{
HRESULT hr = E_FAIL;
IWsbGuid* pGuid;
WsbTraceIn(OLESTR("CWsbGuid::CompareTo"), OLESTR(""));
try {
// Did they give us a valid item to compare to?
WsbAssert(0 != pCollectable, E_POINTER);
// We need the IWsbGuid interface to get the value of the object.
WsbAffirmHr(pCollectable->QueryInterface(IID_IWsbGuid, (void**) &pGuid));
hr = CompareToIGuid(pGuid, pResult);
} WsbCatch(hr);
WsbTraceOut(OLESTR("CWsbGuid::CompareTo"), OLESTR("hr = <%ls>, result = <%ls>"), WsbHrAsString(hr), WsbPtrToShortAsString(pResult));
return(hr);
}
HRESULT
CWsbGuid::FinalConstruct(
void
)
/*++
Implements:
CComObjectRoot::FinalConstruct
--*/
{
HRESULT hr = S_OK;
try {
WsbAffirmHr(CWsbObject::FinalConstruct());
m_value = GUID_NULL;
} WsbCatch(hr);
return(hr);
}
HRESULT
CWsbGuid::GetGuid(
OUT GUID* pValue
)
/*++
Implements:
IWsbGuid::GetGuid
--*/
{
HRESULT hr = S_OK;
WsbTraceIn(OLESTR("CWsbGuid::GetGuid"), OLESTR(""));
try {
WsbAssert(0 != pValue, E_POINTER);
*pValue = m_value;
} WsbCatch(hr);
WsbTraceOut(OLESTR("CWsbGuid::GetGuid"), OLESTR("hr = <%ls>, value = <%ls>"), WsbHrAsString(hr), WsbGuidAsString(m_value));
return(hr);
}
HRESULT
CWsbGuid::GetClassID(
OUT CLSID* pClsid
)
/*++
Implements:
IPersist::GetClassID
--*/
{
HRESULT hr = S_OK;
WsbTraceIn(OLESTR("CWsbGuid::GetClassID"), OLESTR(""));
try {
WsbAssert(0 != pClsid, E_POINTER);
*pClsid = CLSID_CWsbGuid;
} WsbCatch(hr);
WsbTraceOut(OLESTR("CWsbGuid::GetClassID"), OLESTR("hr = <%ls>, CLSID = <%ls>"), WsbHrAsString(hr), WsbGuidAsString(*pClsid));
return(hr);
}
HRESULT
CWsbGuid::GetSizeMax(
OUT ULARGE_INTEGER* pcbSize
)
/*++
Implements:
IPersistStream::GetSizeMax
--*/
{
HRESULT hr = S_OK;
WsbTraceIn(OLESTR("CWsbGuid::GetSizeMax"), OLESTR(""));
try {
WsbAssert(0 != pcbSize, E_POINTER);
pcbSize->QuadPart = WsbPersistSizeOf(GUID);
} WsbCatch(hr);
WsbTraceOut(OLESTR("CWsbGuid::GetSizeMax"), OLESTR("hr = <%ls>, Size = <%ls>"), WsbHrAsString(hr), WsbPtrToUliAsString(pcbSize));
return(hr);
}
HRESULT
CWsbGuid::Load(
IN IStream* pStream
)
/*++
Implements:
IPersistStream::Load
--*/
{
HRESULT hr = S_OK;
WsbTraceIn(OLESTR("CWsbGuid::Load"), OLESTR(""));
try {
WsbAffirmHr(WsbLoadFromStream(pStream, &m_value));
} WsbCatch(hr);
WsbTraceOut(OLESTR("CWsbGuid::Load"), OLESTR("hr = <%ls>, value = <%ls>"), WsbHrAsString(hr), WsbGuidAsString(m_value));
return(hr);
}
HRESULT
CWsbGuid::Save(
IN IStream* pStream,
IN BOOL clearDirty
)
/*++
Implements:
IPersistStream::Save
--*/
{
HRESULT hr = S_OK;
WsbTraceIn(OLESTR("CWsbGuid::Save"), OLESTR("clearDirty = <%ls>"), WsbBoolAsString(clearDirty));
try {
WsbAffirmHr(WsbSaveToStream(pStream, m_value));
// If we got it saved and we were asked to clear the dirty bit, then
// do so now.
if (clearDirty) {
m_isDirty = FALSE;
}
} WsbCatch(hr);
WsbTraceOut(OLESTR("CWsbGuid::Save"), OLESTR("hr = <%ls>"), WsbHrAsString(hr));
return(hr);
}
HRESULT
CWsbGuid::SetGuid(
IN GUID value
)
/*++
Implements:
IWsbGuid::SetGuid
--*/
{
WsbTraceIn(OLESTR("CWsbGuid::SetGuid"), OLESTR("value = <%ls>"), WsbGuidAsString(value));
m_isDirty = TRUE;
m_value = value;
WsbTraceOut(OLESTR("CWsbGuid::SetGuid"), OLESTR(""));
return(S_OK);
}
HRESULT
CWsbGuid::Test(
OUT USHORT* passed,
OUT USHORT* failed
)
/*++
Implements:
IWsbTestable::Test
--*/
{
*passed = 0;
*failed = 0;
HRESULT hr = S_OK;
#if !defined(WSB_NO_TEST)
CComPtr<IWsbGuid> pGuid1;
CComPtr<IWsbGuid> pGuid2;
// CComPtr<IPersistFile> pFile1;
// CComPtr<IPersistFile> pFile2;
GUID value;
SHORT result;
WsbTraceIn(OLESTR("CWsbGuid::Test"), OLESTR(""));
try {
// Get the pGuid interface.
hr = S_OK;
try {
WsbAffirmHr(((IUnknown*) (IWsbGuid*) this)->QueryInterface(IID_IWsbGuid, (void**) &pGuid1));
// Set the bool to a value, and see if it is returned.
hr = S_OK;
try {
WsbAffirmHr(pGuid1->SetGuid(CLSID_CWsbGuid));
WsbAffirmHr(pGuid1->GetGuid(&value));
WsbAssert(value == CLSID_CWsbGuid, E_FAIL);
} WsbCatch(hr);
if (hr == S_OK) {
(*passed)++;
} else {
(*failed)++;
}
// Create another instance and test the comparisson methods:
try {
WsbAffirmHr(CoCreateInstance(CLSID_CWsbGuid, NULL, CLSCTX_ALL, IID_IWsbGuid, (void**) &pGuid2));
// Check the default values.
hr = S_OK;
try {
WsbAffirmHr(pGuid2->GetGuid(&value));
WsbAssert(value == GUID_NULL, E_FAIL);
} WsbCatch(hr);
if (hr == S_OK) {
(*passed)++;
} else {
(*failed)++;
}
// IsEqual()
hr = S_OK;
try {
WsbAffirmHr(pGuid1->SetGuid(CLSID_CWsbGuid));
WsbAffirmHr(pGuid2->SetGuid(CLSID_CWsbGuid));
WsbAssert(pGuid1->IsEqual(pGuid2) == S_OK, E_FAIL);
} WsbCatch(hr);
if (hr == S_OK) {
(*passed)++;
} else {
(*failed)++;
}
hr = S_OK;
try {
WsbAffirmHr(pGuid1->SetGuid(CLSID_CWsbGuid));
WsbAffirmHr(pGuid2->SetGuid(IID_IWsbGuid));
WsbAssert(pGuid1->IsEqual(pGuid2) == S_FALSE, E_FAIL);
} WsbCatch(hr);
if (hr == S_OK) {
(*passed)++;
} else {
(*failed)++;
}
// CompareTo()
hr = S_OK;
try {
WsbAffirmHr(pGuid1->SetGuid(CLSID_CWsbGuid));
WsbAffirmHr(pGuid2->SetGuid(CLSID_CWsbGuid));
WsbAssert((pGuid1->CompareTo(pGuid2, &result) == S_OK) && (0 == result), E_FAIL);
} WsbCatch(hr);
if (hr == S_OK) {
(*passed)++;
} else {
(*failed)++;
}
hr = S_OK;
try {
WsbAffirmHr(pGuid1->SetGuid(CLSID_CWsbGuid));
WsbAffirmHr(pGuid2->SetGuid(IID_IWsbGuid));
WsbAssert((pGuid1->CompareTo(pGuid2, &result) == S_FALSE) && (1 == result), E_FAIL);
} WsbCatch(hr);
if (hr == S_OK) {
(*passed)++;
} else {
(*failed)++;
}
hr = S_OK;
try {
WsbAffirmHr(pGuid1->SetGuid(IID_IWsbGuid));
WsbAffirmHr(pGuid2->SetGuid(CLSID_CWsbGuid));
WsbAssert((pGuid1->CompareTo(pGuid2, &result) == S_FALSE) && (-1 == result), E_FAIL);
} WsbCatch(hr);
if (hr == S_OK) {
(*passed)++;
} else {
(*failed)++;
}
#ifdef GUID_PERSIST_FILE
// TODO? Open the file and convert to a stream?
// Try out the persistence stuff.
hr = S_OK;
try {
WsbAffirmHr(pGuid1->QueryInterface(IID_IPersistFile, (void**) &pFile1));
WsbAffirmHr(pGuid2->QueryInterface(IID_IPersistFile, (void**) &pFile2));
// The item should be dirty.
hr = S_OK;
try {
WsbAffirmHr(pGuid2->SetGuid(CLSID_CWsbGuid));
WsbAssert(pFile2->IsDirty() == S_OK, E_FAIL);
} WsbCatch(hr);
if (hr == S_OK) {
(*passed)++;
} else {
(*failed)++;
}
// Save the item, and remember.
hr = S_OK;
try {
WsbAffirmHr(pFile2->Save(OLESTR("c:\\WsbTests\\WsbGuid.tst"), TRUE));
} WsbCatch(hr);
if (hr == S_OK) {
(*passed)++;
} else {
(*failed)++;
}
// It shouldn't be dirty.
hr = S_OK;
try {
WsbAssert(pFile2->IsDirty() == S_FALSE, E_FAIL);
} WsbCatch(hr);
if (hr == S_OK) {
(*passed)++;
} else {
(*failed)++;
}
// Try reading it in to another object.
hr = S_OK;
try {
WsbAffirmHr(pGuid1->SetGuid(IID_IWsbGuid));
WsbAffirmHr(pFile1->Load(OLESTR("c:\\WsbTests\\WsbGuid.tst"), 0));
WsbAssert(pGuid1->CompareToGuid(CLSID_CWsbGuid, NULL) == S_OK, E_FAIL);
} WsbCatch(hr);
if (hr == S_OK) {
(*passed)++;
} else {
(*failed)++;
}
} WsbCatch(hr);
if (hr == S_OK) {
(*passed)++;
} else {
(*failed)++;
}
#endif
} WsbCatch(hr);
if (hr == S_OK) {
(*passed)++;
} else {
(*failed)++;
}
} WsbCatch(hr);
if (hr == S_OK) {
(*passed)++;
} else {
(*failed)++;
}
// Tally up the results
if (*failed) {
hr = S_FALSE;
} else {
hr = S_OK;
}
} WsbCatch(hr);
WsbTraceOut(OLESTR("CWsbGuid::Test"), OLESTR("hr = <%ls>"), WsbHrAsString(hr));
#endif
return(hr);
}
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