/* ----------------------------------------------------------------- */
///
/// GetStream
///
/// <summary>
/// Gets the stream corresponding to the specified information.
/// </summary>
///
/* ----------------------------------------------------------------- */
private ArchiveStreamReader GetStream(Information src)
{
if (!src.Exists || src.IsDirectory)
{
return(null);
}
var dest = new ArchiveStreamReader(IO.OpenRead(src.FullName));
_streams.Add(dest);
return(dest);
}
/* ----------------------------------------------------------------- */
///
/// GetStream
///
/// <summary>
/// 読み込むボリュームに対応するストリームを取得します。
/// </summary>
///
/// <param name="name">ボリューム名</param>
/// <param name="stream">読み込みストリーム</param>
///
/// <returns>OperationResult</returns>
///
/* ----------------------------------------------------------------- */
public int GetStream(string name, out IInStream stream)
{
stream = Invoke(() =>
{
var src = IO.Exists(name) ? name : IO.Combine(IO.Get(Source).DirectoryName, name);
if (!IO.Exists(src))
{
return(default(IInStream));
}
var dest = new ArchiveStreamReader(IO.OpenRead(src));
_streams.Add(dest);
return(dest);
});
Result = (stream != null) ? OperationResult.OK : OperationResult.DataError;
return((int)Result);
}
/* ----------------------------------------------------------------- */
///
/// ArchiveReader
///
/// <summary>
/// Initializes a new instance of the ArchiveReader class with
/// the specified arguments.
/// </summary>
///
/* ----------------------------------------------------------------- */
private ArchiveReader(Format format, string src, PasswordQuery password, IO io)
{
if (format == Format.Unknown)
{
throw new UnknownFormatException();
}
var asr = new ArchiveStreamReader(io.OpenRead(src));
_core = new SevenZipLibrary();
_password = password;
_open = new ArchiveOpenCallback(src, asr, io)
{
Password = _password
};
_archive = _core.GetInArchive(format);
_archive.Open(asr, IntPtr.Zero, _open);
IO = io;
Format = format;
Source = src;
Items = new ReadOnlyArchiveList(_archive, src, _password, io);
}
/* ----------------------------------------------------------------- */
///
/// ArchiveReader
///
/// <summary>
/// Initializes a new instance of the ArchiveReader class with
/// the specified arguments.
/// </summary>
///
/* ----------------------------------------------------------------- */
private ArchiveReader(Format format, string src, PasswordQuery query, IO io)
{
if (format == Format.Unknown)
{
throw new NotSupportedException();
}
var asr = new ArchiveStreamReader(io.OpenRead(src));
_core = new SevenZipLibrary();
_query = query;
_callback = new ArchiveOpenCallback(src, asr, io)
{
Password = _query
};
_module = _core.GetInArchive(format);
_module.Open(asr, IntPtr.Zero, _callback);
IO = io;
Format = format;
Source = src;
Items = new ReadOnlyArchiveList(_module, format, src, _query, io);
}
/* ----------------------------------------------------------------- */
///
/// ArchiveOpenCallback
///
/// <summary>
/// オブジェクトを初期化します。
/// </summary>
///
/// <param name="src">圧縮ファイルのパス</param>
/// <param name="stream">圧縮ファイルの入力ストリーム</param>
/// <param name="io">入出力用のオブジェクト</param>
///
/* ----------------------------------------------------------------- */
public ArchiveOpenCallback(string src, ArchiveStreamReader stream, IO io) : base(src, io)
{
_dispose = new OnceAction <bool>(Dispose);
_streams.Add(stream);
}
/* ----------------------------------------------------------------- */ /// /// OpenCallback /// /// <summary> /// Initializes a new instance of the OpenCallback class with the /// specified arguments. /// </summary> /// /// <param name="src">Input stream of the archived file.</param> /// /* ----------------------------------------------------------------- */ public OpenCallback(ArchiveStreamReader src) => _streams.Add(src);
