FString FPackageName::FilenameToLongPackageName(const FString& InFilename)
{
FString FailureReason;
FString Result;
if (!TryConvertFilenameToLongPackageName(InFilename, Result, &FailureReason))
{
UE_LOG(LogPackageName, Fatal, TEXT("%s"), *FailureReason);
}
return Result;
}
bool FPackageName::SearchForPackageOnDisk(const FString& PackageName, FString* OutLongPackageName, FString* OutFilename, bool bUseLocalizedNames)
{
bool bResult = false;
double StartTime = FPlatformTime::Seconds();
if (FPackageName::IsShortPackageName(PackageName) == false)
{
// If this is long package name, revert to using DoesPackageExist because it's a lot faster.
FString Filename;
if (DoesPackageExist(PackageName, NULL, &Filename))
{
if (OutLongPackageName)
{
*OutLongPackageName = PackageName;
}
if (OutFilename)
{
*OutFilename = Filename;
}
bResult = true;
}
}
else
{
// Attempt to find package by its short name by searching in the known content paths.
TArray<FString> Paths;
{
TArray<FString> RootContentPaths;
FPackageName::QueryRootContentPaths( RootContentPaths );
for( TArray<FString>::TConstIterator RootPathIt( RootContentPaths ); RootPathIt; ++RootPathIt )
{
const FString& RootPath = *RootPathIt;
const FString& ContentFolder = FPackageName::LongPackageNameToFilename( RootPath );
Paths.Add( ContentFolder );
}
}
const FString PackageWildcard = (PackageName.Find(TEXT(".")) != INDEX_NONE ? PackageName : PackageName + TEXT(".*"));
TArray<FString> Results;
for (int32 PathIndex = 0; PathIndex < Paths.Num() && !bResult; ++PathIndex)
{
// Search directly on disk. Very slow!
IFileManager::Get().FindFilesRecursive(Results, *Paths[PathIndex], *PackageWildcard, true, false);
for (int32 FileIndex = 0; FileIndex < Results.Num(); ++FileIndex)
{
FString Filename(Results[FileIndex]);
if (IsPackageFilename(Results[FileIndex]))
{
// Convert to long package name.
FString LongPackageName;
if (TryConvertFilenameToLongPackageName(Filename, LongPackageName))
{
if (OutLongPackageName)
{
if (bResult)
{
UE_LOG(LogPackageName, Warning, TEXT("Found ambiguous long package name for '%s'. Returning '%s', but could also be '%s'."), *PackageName, **OutLongPackageName, *LongPackageName );
}
else
{
*OutLongPackageName = LongPackageName;
}
}
if (OutFilename)
{
FPaths::MakeStandardFilename(Filename);
if (bResult)
{
UE_LOG(LogPackageName, Warning, TEXT("Found ambiguous file name for '%s'. Returning '%s', but could also be '%s'."), *PackageName, **OutFilename, *Filename);
}
else
{
*OutFilename = Filename;
}
}
bResult = true;
}
}
}
}
}
float ThisTime = FPlatformTime::Seconds() - StartTime;
UE_LOG(LogPackageName, Log, TEXT("SearchForPackageOnDisk took %7.3fs to resolve %s"), ThisTime, *PackageName);
return bResult;
}
