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

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2001-01-01 00:00:00 +01:00
/*++
<EFBFBD> 1998 Seagate Software, Inc. All rights reserved
Module Name:
wsbstrg.cpp
Abstract:
This component is an object representations of the STRING standard type. It
is both a persistable and collectable.
Author:
Chuck Bardeen [cbardeen] 29-Oct-1996
Revision History:
--*/
#include "stdafx.h"
#include "wsbstrg.h"
HRESULT
CWsbString::CompareToString(
IN OLECHAR* value,
OUT SHORT* pResult
)
/*++
Implements:
IWsbString::CompareToString
--*/
{
HRESULT hr = E_FAIL;
SHORT result;
WsbTraceIn(OLESTR("CWsbString::CompareToString"), OLESTR("value = <%ls>"), value);
// Comapre the two strings, and do the null checking in case the clib
// can't handle it. If there are two valid strings, then use this objects
// isCaseDependent flag to determine how to compare the values.
if (0 == value) {
if (m_value == 0) {
result = 0;
} else {
result = 1;
}
} else {
if (m_value == 0) {
result = -1;
} else {
if (m_isCaseDependent) {
result = (SHORT)wcscmp(m_value, value);
}
else {
result = (SHORT)_wcsicmp(m_value, value);
}
}
}
// 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 (0 != pResult) {
*pResult = result;
}
WsbTraceOut(OLESTR("CWsbString::CompareToString"), OLESTR("hr = <%ls>, result = <%d>"), WsbHrAsString(hr), result);
return(hr);
}
HRESULT
CWsbString::CompareToIString(
IN IWsbString* pString,
OUT SHORT* pResult
)
/*++
Implements:
IWsbString::CompareToIString
--*/
{
HRESULT hr = E_FAIL;
CWsbStringPtr value;
WsbTraceIn(OLESTR("CWsbString::CompareToIString"), OLESTR(""));
try {
// Did they give us a valid item to compare to?
WsbAssert(0 != pString, E_POINTER);
// Get it's value and compare them.
WsbAffirmHr(pString->GetString(&value, 0));
hr = CompareToString(value, pResult);
} WsbCatch(hr);
WsbTraceOut(OLESTR("CWsbString::CompareToIString"), OLESTR("hr = <%ls>, result = <%ls>"), WsbHrAsString(hr), WsbPtrToShortAsString(pResult));
return(hr);
}
HRESULT
CWsbString::CompareTo(
IN IUnknown* pCollectable,
OUT SHORT* pResult
)
/*++
Implements:
IWsbCollectable::CompareTo
--*/
{
HRESULT hr = E_FAIL;
IWsbString* pString;
WsbTraceIn(OLESTR("CWsbString::CompareTo"), OLESTR(""));
try {
// Did they give us a valid item to compare to?
WsbAssert(0 != pCollectable, E_POINTER);
// We need the IWsbString interface to get the value of the object.
WsbAffirmHr(pCollectable->QueryInterface(IID_IWsbString, (void**) &pString));
hr = CompareToIString(pString, pResult);
} WsbCatch(hr);
WsbTraceOut(OLESTR("CWsbString::CompareTo"), OLESTR("hr = <%ls>, result = <%ls>"), WsbHrAsString(hr), WsbPtrToShortAsString(pResult));
return(hr);
}
HRESULT
CWsbString::FinalConstruct(
void
)
/*++
Implements:
CComObjectRoot::FinalConstruct
--*/
{
HRESULT hr = S_OK;
try {
WsbAffirmHr(CWsbObject::FinalConstruct());
m_isCaseDependent = TRUE;
} WsbCatch(hr);
return(hr);
}
HRESULT
CWsbString::GetClassID(
OUT CLSID* pClsid
)
/*++
Implements:
IPersist::GetClassID
--*/
{
HRESULT hr = S_OK;
WsbTraceIn(OLESTR("CWsbString::GetClassID"), OLESTR(""));
try {
WsbAssert(0 != pClsid, E_POINTER);
*pClsid = CLSID_CWsbString;
} WsbCatch(hr);
WsbTraceOut(OLESTR("CWsbString::GetClassID"), OLESTR("hr = <%ls>, CLSID = <%ls>"), WsbHrAsString(hr), WsbGuidAsString(*pClsid));
return(hr);
}
HRESULT
CWsbString::GetSizeMax(
OUT ULARGE_INTEGER* pcbSize
)
/*++
Implements:
IPersistStream::GetSizeMax
--*/
{
HRESULT hr = S_OK;
WsbTraceIn(OLESTR("CWsbString::GetSizeMax"), OLESTR(""));
try {
WsbAssert(0 != pcbSize, E_POINTER);
pcbSize->QuadPart = WsbPersistSizeOf(BOOL) + WsbPersistSizeOf(ULONG) + WsbPersistSize((wcslen(m_value) + 1) * sizeof(OLECHAR));
} WsbCatch(hr);
WsbTraceOut(OLESTR("CWsbString::GetSizeMax"), OLESTR("hr = <%ls>, Size = <%ls>"), WsbHrAsString(hr), WsbPtrToUliAsString(pcbSize));
return(hr);
}
HRESULT
CWsbString::GetString(
OUT OLECHAR** pValue,
IN ULONG bufferSize
)
/*++
Implements:
IWsbString::GetString
--*/
{
HRESULT hr = S_OK;
WsbTraceIn(OLESTR("CWsbString::GetString"), OLESTR(""));
try {
WsbAssert(0 != pValue, E_POINTER);
WsbAffirmHr(m_value.CopyTo(pValue, bufferSize));
} WsbCatch(hr);
WsbTraceOut(OLESTR("CWsbString::GetString"), OLESTR("hr = <%ls>, value = <%ls>"), WsbHrAsString(hr), m_value);
return(hr);
}
HRESULT
CWsbString::GetStringAndCase(
OUT OLECHAR** pValue,
OUT BOOL* pIsCaseDependent,
IN ULONG bufferSize
)
/*++
Implements:
IWsbString::GetStringAndCase
--*/
{
HRESULT hr = S_OK;
WsbTraceIn(OLESTR("CWsbString::GetString"), OLESTR(""));
try {
WsbAssert(0 != pValue, E_POINTER);
WsbAssert(0 != pIsCaseDependent, E_POINTER);
WsbAffirmHr(m_value.CopyTo(pValue, bufferSize));
*pIsCaseDependent = m_isCaseDependent;
} WsbCatch(hr);
WsbTraceOut(OLESTR("CWsbString::GetString"), OLESTR("hr = <%ls>, value = <%ls>"), WsbHrAsString(hr), m_value);
return(hr);
}
HRESULT
CWsbString::IsCaseDependent(
void
)
/*++
Implements:
IWsbString::IsCaseDependent
--*/
{
WsbTraceIn(OLESTR("CWsbString::IsCaseDependent"), OLESTR(""));
WsbTraceOut(OLESTR("CWsbString::IsCaseDependent"), OLESTR("isCaseDependent = <%ls>"), WsbBoolAsString(m_isCaseDependent));
return(m_isCaseDependent ? S_OK : S_FALSE);
}
HRESULT
CWsbString::Load(
IN IStream* pStream
)
/*++
Implements:
IPersistStream::Load
--*/
{
HRESULT hr = S_OK;
WsbTraceIn(OLESTR("CWsbString::Load"), OLESTR(""));
try {
WsbAssert(0 != pStream, E_POINTER);
// First get CaseDependent flag.
WsbAffirmHr(WsbLoadFromStream(pStream, &m_isCaseDependent));
// Now get the string.
WsbAffirmHr(WsbLoadFromStream(pStream, &m_value, 0));
} WsbCatch(hr);
WsbTraceOut(OLESTR("CWsbString::Load"), OLESTR("hr = <%ls>, value = <%ls>"), WsbHrAsString(hr), WsbPtrToStringAsString(&m_value));
return(hr);
}
HRESULT
CWsbString::Save(
IN IStream* pStream,
IN BOOL clearDirty
)
/*++
Implements:
IPersistStream::Save().
--*/
{
HRESULT hr = S_OK;
WsbTraceIn(OLESTR("CWsbString::Save"), OLESTR("clearDirty = <%ls>"), WsbBoolAsString(clearDirty));
try {
WsbAssert(0 != pStream, E_POINTER);
// First save the CaseDependent flag.
WsbAffirmHr(WsbSaveToStream(pStream, m_isCaseDependent));
// Now save the string.
WsbAffirmHr(WsbSaveToStream(pStream, (OLECHAR*)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("CWsbString::Save"), OLESTR("hr = <%ls>"), WsbHrAsString(hr));
return(hr);
}
HRESULT
CWsbString::SetIsCaseDependent(
BOOL isCaseDependent
)
/*++
Implements:
IWsbString::SetIsCaseDependent
--*/
{
WsbTraceIn(OLESTR("CWsbString::SetIsCaseDependent"), OLESTR("value = <%ls>"), WsbBoolAsString(isCaseDependent));
m_isDirty = TRUE;
m_isCaseDependent = isCaseDependent;
WsbTraceOut(OLESTR("CWsbString::SetIsCaseDependent"), OLESTR(""));
return(S_OK);
}
HRESULT
CWsbString::SetString(
IN OLECHAR* value
)
/*++
Implements:
IWsbString::SetString
--*/
{
HRESULT hr = S_OK;
WsbTraceIn(OLESTR("CWsbString::SetString"), OLESTR("value = <%ls>"), WsbPtrToStringAsString(&value));
try {
m_value = value;
m_isDirty = TRUE;
} WsbCatch(hr);
WsbTraceOut(OLESTR("CWsbString::SetString"), OLESTR("hr = <%ls>"), WsbHrAsString(hr));
return(hr);
}
HRESULT
CWsbString::SetStringAndCase(
IN OLECHAR* value,
IN BOOL isCaseDependent
)
/*++
Implements:
IWsbString::SetStringAndCase
--*/
{
HRESULT hr = S_OK;
WsbTraceIn(OLESTR("CWsbString::SetStringAndCase"), OLESTR("value = <%ls>, isCaseDependent = <%ls>"), WsbPtrToStringAsString(&value), WsbBoolAsString(isCaseDependent));
try {
m_value = value;
m_isDirty = TRUE;
m_isCaseDependent = isCaseDependent;
} WsbCatch(hr);
WsbTraceOut(OLESTR("CWsbString::SetStringAndCase"), OLESTR("hr = <%ls>"), WsbHrAsString(hr));
return(hr);
}
HRESULT
CWsbString::Test(
OUT USHORT* passed,
OUT USHORT* failed
)
/*++
Implements:
IWsbTestable::Test
--*/
{
*passed = 0;
*failed = 0;
HRESULT hr = S_OK;
#if !defined(WSB_NO_TEST)
CComPtr<IWsbString> pString1;
CComPtr<IWsbString> pString2;
// CComPtr<IPersistFile> pFile1;
// CComPtr<IPersistFile> pFile2;
OLECHAR* value = NULL;
BOOL isCaseDependent;
SHORT result;
WsbTraceIn(OLESTR("CWsbString::Test"), OLESTR(""));
try {
// Get the pString interface.
hr = S_OK;
try {
WsbAffirmHr(((IUnknown*) (IWsbString*) this)->QueryInterface(IID_IWsbString, (void**) &pString1));
// Set the bool to a value, and see if it is returned.
hr = S_OK;
try {
WsbAffirmHr(pString1->SetString(OLESTR("Test Case")));
WsbAffirmHr(pString1->GetString(&value, 0));
WsbAssert(wcscmp(value, OLESTR("Test Case")) == 0, E_FAIL);
} WsbCatch(hr);
if (hr == S_OK) {
(*passed)++;
} else {
(*failed)++;
}
// Set the case dependence flag.
hr = S_OK;
try {
WsbAffirmHr(pString1->SetIsCaseDependent(FALSE));
WsbAssert(pString1->IsCaseDependent() == S_FALSE, E_FAIL);
} WsbCatch(hr);
if (hr == S_OK) {
(*passed)++;
} else {
(*failed)++;
}
hr = S_OK;
try {
WsbAffirmHr(pString1->SetIsCaseDependent(TRUE));
WsbAssert(pString1->IsCaseDependent() == S_OK, E_FAIL);
} WsbCatch(hr);
if (hr == S_OK) {
(*passed)++;
} else {
(*failed)++;
}
// Set Both string and case
hr = S_OK;
try {
WsbAffirmHr(pString1->SetStringAndCase(OLESTR("Both"), FALSE));
WsbAffirmHr(pString1->GetStringAndCase(&value, &isCaseDependent, 0));
WsbAssert((wcscmp(value, OLESTR("Both")) == 0) && (isCaseDependent == FALSE), E_FAIL);
} WsbCatch(hr);
if (hr == S_OK) {
(*passed)++;
} else {
(*failed)++;
}
// Create another instance and test the comparisson methods:
try {
WsbAffirmHr(CoCreateInstance(CLSID_CWsbString, NULL, CLSCTX_ALL, IID_IWsbString, (void**) &pString2));
// Check the default values.
hr = S_OK;
try {
WsbAffirmHr(pString2->GetStringAndCase(&value, &isCaseDependent, 0));
WsbAssert((wcscmp(value, OLESTR("")) == 0) && isCaseDependent, E_FAIL);
} WsbCatch(hr);
if (hr == S_OK) {
(*passed)++;
} else {
(*failed)++;
}
// IsEqual()
hr = S_OK;
try {
WsbAffirmHr(pString1->SetStringAndCase(OLESTR("HiJk"), TRUE));
WsbAffirmHr(pString2->SetStringAndCase(OLESTR("HiJk"), FALSE));
WsbAssert(pString1->IsEqual(pString2) == S_OK, E_FAIL);
} WsbCatch(hr);
if (hr == S_OK) {
(*passed)++;
} else {
(*failed)++;
}
hr = S_OK;
try {
WsbAffirmHr(pString1->SetStringAndCase(OLESTR("HiJk"), TRUE));
WsbAffirmHr(pString2->SetStringAndCase(OLESTR("HIJK"), FALSE));
WsbAssert(pString1->IsEqual(pString2) == S_FALSE, E_FAIL);
} WsbCatch(hr);
if (hr == S_OK) {
(*passed)++;
} else {
(*failed)++;
}
hr = S_OK;
try {
WsbAffirmHr(pString1->SetStringAndCase(OLESTR("HiJk"), FALSE));
WsbAffirmHr(pString2->SetStringAndCase(OLESTR("HiJk"), TRUE));
WsbAssert(pString1->IsEqual(pString2) == S_OK, E_FAIL);
} WsbCatch(hr);
if (hr == S_OK) {
(*passed)++;
} else {
(*failed)++;
}
hr = S_OK;
try {
WsbAffirmHr(pString1->SetStringAndCase(OLESTR("HiJk"), FALSE));
WsbAffirmHr(pString2->SetStringAndCase(OLESTR("HIJK"), TRUE));
WsbAssert(pString1->IsEqual(pString2) == S_OK, E_FAIL);
} WsbCatch(hr);
if (hr == S_OK) {
(*passed)++;
} else {
(*failed)++;
}
// CompareTo()
hr = S_OK;
try {
WsbAffirmHr(pString1->SetStringAndCase(OLESTR("HiJk"), TRUE));
WsbAffirmHr(pString2->SetString(OLESTR("HiJk")));
WsbAssert((pString1->CompareTo(pString2, &result) == S_OK) && (0 == result), E_FAIL);
} WsbCatch(hr);
if (hr == S_OK) {
(*passed)++;
} else {
(*failed)++;
}
hr = S_OK;
try {
WsbAffirmHr(pString1->SetStringAndCase(OLESTR("AABC"), TRUE));
WsbAffirmHr(pString2->SetString(OLESTR("ABCC")));
WsbAssert((pString1->CompareTo(pString2, &result) == S_FALSE) && (-1 == result), E_FAIL);
} WsbCatch(hr);
if (hr == S_OK) {
(*passed)++;
} else {
(*failed)++;
}
hr = S_OK;
try {
WsbAffirmHr(pString1->SetStringAndCase(OLESTR("BBC"), TRUE));
WsbAffirmHr(pString2->SetString(OLESTR("ABCC")));
WsbAssert((pString1->CompareTo(pString2, &result) == S_FALSE) && (1 == result), E_FAIL);
} WsbCatch(hr);
if (hr == S_OK) {
(*passed)++;
} else {
(*failed)++;
}
hr = S_OK;
try {
WsbAffirmHr(pString1->SetStringAndCase(OLESTR("abcc"), TRUE));
WsbAffirmHr(pString2->SetString(OLESTR("ABCC")));
WsbAssert((pString1->CompareTo(pString2, &result) == S_FALSE) && (1 == result), E_FAIL);
} WsbCatch(hr);
if (hr == S_OK) {
(*passed)++;
} else {
(*failed)++;
}
hr = S_OK;
try {
WsbAffirmHr(pString1->SetStringAndCase(OLESTR("abcc"), FALSE));
WsbAffirmHr(pString2->SetString(OLESTR("ABCC")));
WsbAssert((pString1->CompareTo(pString2, &result) == S_OK) && (0 == result), E_FAIL);
} WsbCatch(hr);
if (hr == S_OK) {
(*passed)++;
} else {
(*failed)++;
}
#ifdef STRG_PERSIST_FILE
// TODO? Open the file and convert it to a stream?
// Try out the persistence stuff.
hr = S_OK;
try {
WsbAffirmHr(pString1->QueryInterface(IID_IPersistFile, (void**) &pFile1));
WsbAffirmHr(pString2->QueryInterface(IID_IPersistFile, (void**) &pFile2));
// The item should be dirty.
hr = S_OK;
try {
WsbAffirmHr(pString2->SetStringAndCase(OLESTR("The quick brown fox."), TRUE));
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\\WsbString.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(pString1->SetStringAndCase(OLESTR("jumped over the lazy dog."), FALSE));
WsbAffirmHr(pFile1->Load(OLESTR("c:\\WsbTests\\WsbString.tst"), 0));
WsbAssert(pString1->CompareToString(OLESTR("The quick brown fox."), NULL) == S_OK, E_FAIL);
WsbAssert(pString1->IsCaseDependent() == 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);
// If we used the temporary string buffer, then free it now.
if (0 != value) {
WsbFree(value);
}
WsbTraceOut(OLESTR("CWsbString::Test"), OLESTR("hr = <%ls>"), WsbHrAsString(hr));
#endif
return(hr);
}
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