public void Close(DbCachedDataId dbRecordIndex)
{
Boolean result;
lock (_byId)
{
if (_byId.TryGetValue(dbRecordIndex, out DbCachedData data))
{
_byId.Remove(dbRecordIndex);
data.Dispose();
result = true;
}
else
{
result = false;
}
}
if (!result)
{
throw new FileNotFoundException($"Cannot close not loaded resource {dbRecordIndex}.");
}
Log.Message($"Unloaded resource {dbRecordIndex}.");
}
private DbCachedData GetCachedData(DbCachedDataId dbRecordIndex)
{
lock (_byId)
{
if (_byId.TryGetValue(dbRecordIndex, out var data))
{
return(data);
}
}
if (dbRecordIndex.Value < _currentIndex)
{
throw new ObjectDisposedException($"The resource {dbRecordIndex} is already closed.");
}
throw new FileNotFoundException($"The resource {dbRecordIndex} isn't opened yet.");
}
public DbCachedDataId Open(DbRecordId dbRecordId)
{
if (!_indices.TryGetResourcePath(dbRecordId, out var resourcePath))
{
throw new FileNotFoundException($"Cannot load unknown resource: {dbRecordId}");
}
DbCachedDataId dbRecordIndex;
Byte[] fileContent = NativeFormatProvider.ReadAllBytes(resourcePath);
lock (_byId)
{
dbRecordIndex = new DbCachedDataId(_currentIndex++);
DbCachedData data = new DbCachedData(dbRecordId, resourcePath, fileContent);
_byId[dbRecordIndex] = data;
}
Log.Message($"Loaded resource {dbRecordIndex}: [0x{dbRecordId}, {resourcePath}].");
return(dbRecordIndex);
}
public unsafe Int32 Read(DbCachedDataId dbRecordIndex, Byte *output, Int32 outputSize)
{
DbCachedData data = GetCachedData(dbRecordIndex);
return(data.Read(output, outputSize));
}
public void Seek(DbCachedDataId dbRecordIndex, Int32 offset)
{
DbCachedData data = GetCachedData(dbRecordIndex);
data.Seek(offset);
}
public Int32 GetDecompressedSize(DbCachedDataId dbRecordIndex)
{
DbCachedData data = GetCachedData(dbRecordIndex);
return(data.Size);
}
