public static int ReadHeaderInternal(IntPtr arcData, IntPtr headerData, HeaderDataMode mode)
{
PackerResult result = PackerResult.EndArchive;
callSignature = String.Format("ReadHeader ({0})", arcData.ToString());
try {
object o = TcHandles.GetObject(arcData);
if (o == null)
{
return((int)PackerResult.ErrorOpen);
}
HeaderData header;
result = Plugin.ReadHeader(ref o, out header);
if (result == PackerResult.OK)
{
header.CopyTo(headerData, mode);
TcHandles.UpdateHandle(arcData, o);
}
// !!! may produce much trace info !!!
TraceCall(TraceLevel.Verbose, String.Format("{0} ({1})",
result.ToString(), (result == PackerResult.OK) ? header.FileName : null));
} catch (Exception ex) {
ProcessException(ex);
}
return((int)result);
}
public static int ReadHeaderInternal(IntPtr arcData, IntPtr headerData, HeaderDataMode mode)
{
var result = PackerResult.EndArchive;
_callSignature = $"ReadHeader ({arcData.ToString()})";
try {
var o = TcHandles.GetObject(arcData);
if (o == null)
{
return((int)PackerResult.ErrorOpen);
}
result = Plugin.ReadHeader(ref o, out var header);
if (result == PackerResult.OK)
{
header.CopyTo(headerData, mode);
TcHandles.UpdateHandle(arcData, o);
}
// !!! may produce much trace info !!!
TraceCall(TraceLevel.Verbose, $"{result.ToString()} ({((result == PackerResult.OK) ? header.FileName : null)})");
}
catch (Exception ex) {
ProcessException(ex);
}
return((int)result);
}
//public int UnpVer { get; set; }
//public int Method { get; set; }
// may be used in the future
//public string CmtBuf { get; set; }
//public int CmtBufSize { get; set; }
//public int CmtSize { get; set; }
//public int CmtState { get; set; }
//public string Reserved { get; set; }
#endregion Properties
public void CopyTo(IntPtr ptr, HeaderDataMode mode)
{
if (ptr != IntPtr.Zero)
{
if (mode == HeaderDataMode.Ansi)
{
var data = new TcHeaderData {
ArchiveName = ArchiveName,
FileName = FileName,
FileAttr = ((int)FileAttributes) & AllowedPackerAttributes,
FileCRC = FileCRC,
FileTime = TcUtils.GetArchiveHeaderTime(FileTime),
PackSize = (int)PackedSize,
UnpSize = (int)UnpackedSize
};
Marshal.StructureToPtr(data, ptr, false);
}
else if (mode == HeaderDataMode.ExAnsi)
{
var data = new TcHeaderDataEx {
ArchiveName = ArchiveName,
FileName = FileName,
FileAttr = ((int)FileAttributes) & AllowedPackerAttributes,
FileCRC = FileCRC,
FileTime = TcUtils.GetArchiveHeaderTime(FileTime),
PackSizeHigh = TcUtils.GetUHigh(PackedSize),
PackSizeLow = TcUtils.GetULow(PackedSize),
UnpSizeHigh = TcUtils.GetUHigh(UnpackedSize),
UnpSizeLow = TcUtils.GetULow(UnpackedSize)
};
Marshal.StructureToPtr(data, ptr, false);
}
else if (mode == HeaderDataMode.ExUnicode)
{
var data = new TcHeaderDataExW {
ArchiveName = ArchiveName,
FileName = FileName,
FileAttr = ((int)FileAttributes) & AllowedPackerAttributes,
FileCRC = FileCRC,
FileTime = TcUtils.GetArchiveHeaderTime(FileTime),
PackSizeHigh = TcUtils.GetUHigh(PackedSize),
PackSizeLow = TcUtils.GetULow(PackedSize),
UnpSizeHigh = TcUtils.GetUHigh(UnpackedSize),
UnpSizeLow = TcUtils.GetULow(UnpackedSize)
};
Marshal.StructureToPtr(data, ptr, false);
}
}
}
