public void Add(short handle, DosStream stream, VirtualFileInfo fileInfo, bool overwrite = false)
{
stream.FileInfo = fileInfo;
if (fileInfo != null)
{
unsafe
{
if (stream.SFTIndex == -1)
{
if (this.sftFileCount >= this.maxFiles)
{
throw new InvalidOperationException("Maximum number of open files exceeded.");
}
stream.SFTIndex = this.sftFileCount;
var entry = &this.entries[this.sftFileCount];
this.sftFileCount++;
entry->RefCount = 1;
entry->FileOpenMode = 0;
entry->FileAttribute = fileInfo.DosAttributes;
entry->DeviceInfo = 0;
entry->StartingCluster = 0;
entry->FileTime = fileInfo.DosModifyTime;
entry->FileDate = fileInfo.DosModifyDate;
entry->FileSize = fileInfo.DosLength;
entry->CurrentOffset = 0;
entry->RelativeClusterLastAccess = 0;
entry->DirectoryEntrySector = 0;
entry->DirectoryEntry = 0;
var fcbName = GetFCBName(fileInfo.Name);
for (int i = 0; i < 11; i++)
{
entry->FileName[i] = (byte)fcbName[i];
}
}
else
{
var entry = &this.entries[stream.SFTIndex];
entry->RefCount++;
}
}
}
if (!overwrite)
{
this.fileHandles.Add(handle, stream);
}
else
{
this.fileHandles[handle] = stream;
}
}
/// <summary>
/// Adds file handles for StdIn, StdOut, and StdErr.
/// </summary>
private void AddDefaultHandles()
{
var stdin = new DosStream(vm.ConsoleIn, 0);
var stdout = new DosStream(vm.ConsoleOut, 0);
stdout.AddReference();
var stdaux = new DosStream(NullStream.Instance, 0);
stdaux.AddReference();
this.fileHandles.AddSpecial(StdInHandle, stdin);
this.fileHandles.AddSpecial(StdOutHandle, stdout);
this.fileHandles.AddSpecial(StdErrHandle, stdout);
this.fileHandles.AddSpecial(StdAuxHandle, stdaux);
this.fileHandles.AddSpecial(StdPrnHandle, stdaux);
}
public void AddSpecial(short handle, DosStream stream)
{
this.fileHandles.Add(handle, stream);
}
public bool TryGetValue(short handle, out DosStream stream)
{
return(this.fileHandles.TryGetValue(handle, out stream));
}