public CompoundFile(string path, CompoundFileOptions options, IFileStreamFactory fileStreamFactory)
{
Debug.Assert(UINT_ZERO.Length == sizeof(uint));
FileOptions foptions;
if (options.UseWriteCache)
foptions = FileOptions.RandomAccess;
else
foptions = FileOptions.RandomAccess | FileOptions.WriteThrough;
_options = options;
bool fileExists = File.Exists(path);
lock (_sync)
{
_stream = fileStreamFactory.Create(path, FileMode.OpenOrCreate, FileAccess.ReadWrite, FileShare.Read, options.BufferSize, foptions);
if (!TryLoadFileHeader())
{
if (fileExists)
{
if (_header.Version < FILE_VERSION) throw new InvalidDataException("File version is not supported");
if (!new System.Text.ASCIIEncoding().GetString(_header.Magic).Equals(MAGIC_STRING)) throw new InvalidDataException("Corrupt file");
throw new Exception("Failed to open file. Possible corrupt file");
}
InitializeFile();
}
}
}
public CompoundFile(string path, CompoundFileOptions options) : this(path, options, new FileStreamFactory()) { }
