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WAV can also be read from RAR archive

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This commit is contained in:
chudov
2008-11-10 09:31:14 +00:00
parent e028a4d1e8
commit df34997334
3 changed files with 104 additions and 40 deletions
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87
UnRarDotNet/RarStream.cs
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@@ -20,6 +20,7 @@ namespace UnRarDotNet
_buffer = null;
_offset = 0;
_length = 0;
_pos = 0;
_unrar.PasswordRequired += new PasswordRequiredHandler(unrar_PasswordRequired);
_unrar.DataAvailable += new DataAvailableHandler(unrar_DataAvailable);
_unrar.Open(archive, Unrar.OpenMode.Extract);
@@ -35,7 +36,7 @@ namespace UnRarDotNet
}
public override bool CanSeek
{
get { return false; }
get { return true; }
}
public override bool CanWrite
{
@@ -43,11 +44,21 @@ namespace UnRarDotNet
}
public override long Length
{
get { throw new NotSupportedException(); }
get
{
lock (this)
{
while (_size == null && !_stop)
Monitor.Wait(this);
}
if (_size == null)
throw new NotSupportedException();
return _size.Value;
}
}
public override long Position
{
get { throw new NotSupportedException(); }
get { return _pos; }
set { Seek(value, SeekOrigin.Begin); }
}
public override void Close()
@@ -57,9 +68,16 @@ namespace UnRarDotNet
_stop = true;
Monitor.Pulse(this);
}
_workThread.Join();
_workThread = null;
_unrar.Close();
if (_workThread != null)
{
_workThread.Join();
_workThread = null;
}
if (_unrar != null)
{
_unrar.Close();
_unrar = null;
}
base.Close();
}
public override void Flush()
@@ -81,16 +99,34 @@ namespace UnRarDotNet
Monitor.Wait(this);
if (_buffer == null)
return total;
if (_seek_to != null)
{
if (_seek_to.Value < _pos)
throw new NotSupportedException();
if (_length <= _seek_to.Value - _pos)
{
_pos += _length;
_buffer = null;
Monitor.Pulse(this);
continue;
}
_offset += (int)(_seek_to.Value - _pos);
_length -= (int)(_seek_to.Value - _pos);
_pos = _seek_to.Value;
_seek_to = null;
}
if (_length > count)
{
Array.Copy(_buffer, _offset, array, offset, count);
total += count;
_pos += count;
_offset += count;
_length -= count;
return total;
}
Array.Copy(_buffer, _offset, array, offset, _length);
total += _length;
_pos += _length;
offset += _length;
count -= _length;
_buffer = null;
@@ -101,7 +137,31 @@ namespace UnRarDotNet
}
public override long Seek(long offset, SeekOrigin origin)
{
throw new NotSupportedException();
lock (this)
{
while (_size == null && !_stop)
Monitor.Wait(this);
if (_size == null)
throw new NotSupportedException();
switch (origin)
{
case SeekOrigin.Begin:
_seek_to = offset;
break;
case SeekOrigin.Current:
_seek_to = _pos + offset;
break;
case SeekOrigin.End:
_seek_to = _size.Value + offset;
break;
}
if (_seek_to.Value == _pos)
{
_seek_to = null;
return _pos;
}
return _seek_to.Value;
}
}
public override void Write(byte[] array, int offset, int count)
{
@@ -114,6 +174,9 @@ namespace UnRarDotNet
private bool _stop;
private byte[] _buffer;
int _offset, _length;
long? _size;
long? _seek_to;
long _pos;
private void unrar_PasswordRequired(object sender, PasswordRequiredEventArgs e)
{
@@ -149,13 +212,12 @@ namespace UnRarDotNet
{
if (_unrar.CurrentFile.FileName == _fileName)
{
// unrar.CurrentFile.UnpackedSize;
_unrar.Test();
lock (this)
{
_stop = true;
_size = _unrar.CurrentFile.UnpackedSize;
Monitor.Pulse(this);
}
_unrar.Test();
break;
}
else
@@ -165,6 +227,11 @@ namespace UnRarDotNet
//catch (StopExtractionException)
//{
//}
lock (this)
{
_stop = true;
Monitor.Pulse(this);
}
}
}
}