public CabUnpacker(CabEngine cabEngine)
: base(cabEngine)
{
this.fdiAllocMemHandler = this.CabAllocMem;
this.fdiFreeMemHandler = this.CabFreeMem;
this.fdiOpenStreamHandler = this.CabOpenStream;
this.fdiReadStreamHandler = this.CabReadStream;
this.fdiWriteStreamHandler = this.CabWriteStream;
this.fdiCloseStreamHandler = this.CabCloseStream;
this.fdiSeekStreamHandler = this.CabSeekStream;
this.fdiHandle = NativeMethods.FDI.Create(
this.fdiAllocMemHandler,
this.fdiFreeMemHandler,
this.fdiOpenStreamHandler,
this.fdiReadStreamHandler,
this.fdiWriteStreamHandler,
this.fdiCloseStreamHandler,
this.fdiSeekStreamHandler,
NativeMethods.FDI.CPU_80386,
this.ErfHandle.AddrOfPinnedObject());
if (this.Erf.Error)
{
int error = this.Erf.Oper;
int errorCode = this.Erf.Type;
this.ErfHandle.Free();
throw new CabException(
error,
errorCode,
CabException.GetErrorMessage(error, errorCode, true));
}
}
private bool IsCabinet(Stream cabStream, out short id, out int cabFolderCount, out int fileCount)
{
int streamHandle = this.StreamHandles.AllocHandle(cabStream);
try
{
this.Erf.Clear();
NativeMethods.FDI.CABINFO fdici;
bool isCabinet = 0 != NativeMethods.FDI.IsCabinet(this.fdiHandle, streamHandle, out fdici);
if (this.Erf.Error)
{
if (((NativeMethods.FDI.ERROR) this.Erf.Oper) == NativeMethods.FDI.ERROR.UNKNOWN_CABINET_VERSION)
{
isCabinet = false;
}
else
{
throw new CabException(
this.Erf.Oper,
this.Erf.Type,
CabException.GetErrorMessage(this.Erf.Oper, this.Erf.Type, true));
}
}
id = fdici.setID;
cabFolderCount = (int)fdici.cFolders;
fileCount = (int)fdici.cFiles;
return(isCabinet);
}
finally
{
this.StreamHandles.FreeHandle(streamHandle);
}
}
private bool IsCabinet(Stream cabStream, out short id, out int cabFolderCount, out int fileCount)
{
int num = base.StreamHandles.AllocHandle(cabStream);
try
{
base.Erf.Clear();
NativeMethods.FDI.CABINFO pfdici;
bool result = NativeMethods.FDI.IsCabinet(fdiHandle, num, out pfdici) != 0;
if (base.Erf.Error)
{
if (base.Erf.Oper != 3)
{
throw new CabException(base.Erf.Oper, base.Erf.Type, CabException.GetErrorMessage(base.Erf.Oper, base.Erf.Type, extracting: true));
}
result = false;
}
id = pfdici.setID;
cabFolderCount = pfdici.cFolders;
fileCount = pfdici.cFiles;
return(result);
}
finally
{
base.StreamHandles.FreeHandle(num);
}
}
protected void CheckError(bool extracting)
{
if (Erf.Error)
{
throw new CabException(Erf.Oper, Erf.Type, CabException.GetErrorMessage(Erf.Oper, Erf.Type, extracting));
}
}
public CabUnpacker(CabEngine cabEngine)
: base(cabEngine)
{
fdiAllocMemHandler = base.CabAllocMem;
fdiFreeMemHandler = base.CabFreeMem;
fdiOpenStreamHandler = base.CabOpenStream;
fdiReadStreamHandler = base.CabReadStream;
fdiWriteStreamHandler = base.CabWriteStream;
fdiCloseStreamHandler = base.CabCloseStream;
fdiSeekStreamHandler = base.CabSeekStream;
fdiHandle = NativeMethods.FDI.Create(fdiAllocMemHandler, fdiFreeMemHandler, fdiOpenStreamHandler, fdiReadStreamHandler, fdiWriteStreamHandler, fdiCloseStreamHandler, fdiSeekStreamHandler, 1, base.ErfHandle.AddrOfPinnedObject());
if (base.Erf.Error)
{
int oper = base.Erf.Oper;
int type = base.Erf.Type;
base.ErfHandle.Free();
throw new CabException(oper, type, CabException.GetErrorMessage(oper, type, extracting: true));
}
}
public void CabInfoSerialization()
{
CabInfo cabInfo = new CabInfo("testser.cab");
int txtSize = 10240;
CompressionTestUtil.GenerateRandomFile("testser00.txt", 0, txtSize);
CompressionTestUtil.GenerateRandomFile("testser01.txt", 1, txtSize);
cabInfo.PackFiles(null, new string[] { "testser00.txt", "testser01.txt" }, null);
ArchiveFileInfo cfi = cabInfo.GetFiles()[1];
MemoryStream memStream = new MemoryStream();
BinaryFormatter formatter = new BinaryFormatter();
memStream.Seek(0, SeekOrigin.Begin);
formatter.Serialize(memStream, cabInfo);
memStream.Seek(0, SeekOrigin.Begin);
CabInfo cabInfo2 = (CabInfo) formatter.Deserialize(memStream);
Assert.AreEqual<string>(cabInfo.FullName, cabInfo2.FullName);
memStream.Seek(0, SeekOrigin.Begin);
formatter.Serialize(memStream, cfi);
memStream.Seek(0, SeekOrigin.Begin);
CabFileInfo cfi2 = (CabFileInfo) formatter.Deserialize(memStream);
Assert.AreEqual<string>(cfi.FullName, cfi2.FullName);
Assert.AreEqual<long>(cfi.Length, cfi2.Length);
CabException cabEx = new CabException();
memStream.Seek(0, SeekOrigin.Begin);
formatter.Serialize(memStream, cabEx);
memStream.Seek(0, SeekOrigin.Begin);
formatter.Deserialize(memStream);
cabEx = new CabException("Test exception.", null);
Assert.AreEqual<string>("Test exception.", cabEx.Message);
}