void PopAndSetLengthImpl(SizePlaceholder sp, int len)
{
switch (sp.Length)
{
case 1:
Buffer.SetBytesInMiddle(Globs.HostToNet((byte)len), sp.StartPos);
return;
case 2:
Buffer.SetBytesInMiddle(Globs.HostToNet((ushort)len), sp.StartPos);
return;
case 4:
Buffer.SetBytesInMiddle(Globs.HostToNet((uint)len), sp.StartPos);
return;
case 8:
Buffer.SetBytesInMiddle(Globs.HostToNet((ulong)len), sp.StartPos);
return;
default:
Globs.Throw <ArgumentException>("PopAndSetLengthImpl: Invalid length " + sp.Length);
Buffer.SetBytesInMiddle(Globs.HostToNet((ulong)len), sp.StartPos);
return;
}
}
public void PopAndSetLength()
{
SizePlaceholder sp = SizesToFillIn.Pop();
int len = Buffer.GetSize() - sp.StartPos - sp.Length;
PopAndSetLengthImpl(sp, len);
}
public void PushLength(int numBytes)
{
var sp = new SizePlaceholder(Buffer.GetSize(), numBytes);
SizesToFillIn.Push(sp);
switch (numBytes)
{
case 1:
ToNet((byte)0xFF);
return;
case 2:
ToNet((ushort)0xFFFF);
return;
// ReSharper disable once RedundantCast
case 4:
ToNet((uint)0xFFFFFFFF);
return;
case 8:
ToNet((ulong)0xFFFFFFFFFFFFFFFF);
return;
default:
Globs.Throw <ArgumentException>("PushLength: Invalid length " + numBytes);
ToNet((ulong)0xFFFFFFFFFFFFFFFF);
return;
}
}
public void PopAndSetLengthToTotalLength()
{
SizePlaceholder sp = SizesToFillIn.Pop();
int len = Buffer.GetSize();
switch (sp.Length)
{
case 1: Buffer.SetBytesInMiddle(Globs.HostToNet((byte)len), sp.StartPos); return;
case 2: Buffer.SetBytesInMiddle(Globs.HostToNet((ushort)len), sp.StartPos); return;
case 4: Buffer.SetBytesInMiddle(Globs.HostToNet((uint)len), sp.StartPos); return;
default: throw new Exception("Invalid length");
}
}
public void PushLength(int numBytes)
{
var sp = new SizePlaceholder(Buffer.GetSize(), numBytes);
SizesToFillIn.Push(sp);
switch (numBytes)
{
case 1: ToNet((byte)0xFF); return;
case 2: ToNet((ushort)0xFFFF); return;
// ReSharper disable once RedundantCast
case 4: ToNet((uint)0xFFFFFFFF); return;
default: throw new Exception("Invalid length");
}
}
