/// <summary>
/// Disposes of resources allocated by the cabinet engine.
/// </summary>
/// <param name="disposing">If true, the method has been called directly
/// or indirectly by a user's code, so managed and unmanaged resources
/// will be disposed. If false, the method has been called by the runtime
/// from inside the finalizer, and only unmanaged resources will be
/// disposed.</param>
protected override void Dispose(bool disposing)
{
if (disposing)
{
if (packer != null)
{
packer.Dispose();
packer = null;
}
if (unpacker != null)
{
unpacker.Dispose();
unpacker = null;
}
}
base.Dispose(disposing);
}
private void AddFile(
string name,
Stream stream,
FileAttributes attributes,
DateTime lastWriteTime,
bool execute,
CompressionLevel compLevel)
{
this.FileStream = stream;
this.fileAttributes = attributes &
(FileAttributes.Archive | FileAttributes.Hidden | FileAttributes.ReadOnly | FileAttributes.System);
this.fileLastWriteTime = lastWriteTime;
this.currentFileName = name;
NativeMethods.FCI.TCOMP tcomp = CabPacker.GetCompressionType(compLevel);
IntPtr namePtr = IntPtr.Zero;
try
{
Encoding nameEncoding = Encoding.ASCII;
if (Encoding.UTF8.GetByteCount(name) > name.Length)
{
nameEncoding = Encoding.UTF8;
this.fileAttributes |= FileAttributes.Normal; // _A_NAME_IS_UTF
}
byte[] nameBytes = nameEncoding.GetBytes(name);
namePtr = Marshal.AllocHGlobal(nameBytes.Length + 1);
Marshal.Copy(nameBytes, 0, namePtr, nameBytes.Length);
Marshal.WriteByte(namePtr, nameBytes.Length, 0);
this.Erf.Clear();
var result = NativeMethods.FCI.AddFile(
this.fciHandle,
String.Empty,
namePtr,
execute,
this.fciGetNextCabinet,
this.fciCreateStatus,
this.fciGetOpenInfo,
tcomp);
if (result == 0)
{
// Stop compiler from complaining
this.CheckError(false);
this.FileStream = null;
this.currentFileName = null;
return;
}
}
finally
{
if (namePtr != IntPtr.Zero)
{
Marshal.FreeHGlobal(namePtr);
}
}
this.CheckError(false);
this.FileStream = null;
this.currentFileName = null;
}