static BOOL RemoveEmptyDirectory(WCHAR *dir)
{
WIN32_FIND_DATA findData;
BOOL success = TRUE;
ScopedMem<WCHAR> dirPattern(path::Join(dir, L"*"));
HANDLE h = FindFirstFile(dirPattern, &findData);
if (h != INVALID_HANDLE_VALUE)
{
do {
ScopedMem<WCHAR> path(path::Join(dir, findData.cFileName));
DWORD attrs = findData.dwFileAttributes;
// filter out directories. Even though there shouldn't be any
// subdirectories, it also filters out the standard "." and ".."
if ((attrs & FILE_ATTRIBUTE_DIRECTORY) &&
!str::Eq(findData.cFileName, L".") &&
!str::Eq(findData.cFileName, L"..")) {
success &= RemoveEmptyDirectory(path);
}
} while (FindNextFile(h, &findData) != 0);
FindClose(h);
}
if (!RemoveDirectory(dir)) {
DWORD lastError = GetLastError();
if (ERROR_DIR_NOT_EMPTY != lastError && ERROR_FILE_NOT_FOUND != lastError) {
LogLastError(lastError);
success = FALSE;
}
}
return success;
}
void USetupDefinition::DoUninstallSteps( FInstallPoll* Poll )
{
guard(USetupDefinition::DoInstallSteps);
// Handle all uninstall steps.
BeginSteps();
UninstallTotal=0, UninstallCount=0;
UninstallTree( TEXT("ProcessUninstallCountTotal"), Poll, ProcessUninstallCountTotal );
UninstallTree( TEXT("ProcessUninstallRemove"), Poll, ProcessUninstallRemove );
TMultiMap<FString,FString>* Map = GConfig->GetSectionPrivate( TEXT("Setup"), 0, 0, *(DestPath * TEXT("System") * SETUP_INI) );
for( TArray<USetupGroup*>::TIterator GroupIt(UninstallComponents); GroupIt; ++GroupIt )
{
(*GroupIt)->UninstallLog = TMultiMap<FString,FString>();
if( Map )
Map->RemovePair( TEXT("Group"), (*GroupIt)->GetName() );
}
EndSteps();
// If reference counts exausted, delete unnecessary setup file so full directory can be removed.
INT Refs=0;
for( TMap<FString,FString>::TIterator It(RefCounts); It; ++It )
Refs += appAtoi( *It.Value() );
if( Refs==0 )
{
GFileManager->Delete( *SetupIniFile );
RemoveEmptyDirectory( *BasePath(SetupIniFile) );
}
unguard;
}
void USetupDefinition::ProcessUninstallRemove( FString Key, FString Value, FInstallPoll* Poll )
{
guard(USetupDefinition::ProcessUninstallRemove);
Poll->Poll(*Value,0,1,UninstallCount++,UninstallTotal);
if( (Key==TEXT("File") || Key==TEXT("Delete")) && UpdateRefCount(*Key,*Value,-1)==0 )
{
// Delete file; remove folder if empty.
GFileManager->Delete( *(DestPath * Value) );
RemoveEmptyDirectory( *BasePath(DestPath * Value) );
}
else if( Key==TEXT("Folder") && UpdateRefCount(*Key,*Value,-1)==0 )
{
// if folder is empty, remove it.
RemoveEmptyDirectory( *(DestPath * Value) );
}
unguard;
}
static BOOL RemoveInstalledFiles()
{
BOOL success = TRUE;
for (int i = 0; NULL != gPayloadData[i].filepath; i++) {
ScopedMem<WCHAR> relPath(str::conv::FromUtf8(gPayloadData[i].filepath));
ScopedMem<WCHAR> path(path::Join(gGlobalData.installDir, relPath));
if (file::Exists(path))
success &= DeleteFile(path);
}
RemoveEmptyDirectory(gGlobalData.installDir);
return success;
}