/// <summary>
/// Set current with <paramref name="s"/>.
/// </summary>
/// <param name="s">String to convert into UTF-8.</param>
public void SetString(string s)
{
if (s != null)
{
// This code is not optimized. One could actually read the string and copy the content
// directly in _handle without hitting any allocation. This would require us to include
// the logic of converting .NET strings into UTF8 ourselves, something we do not want
// to do for the time being. For now we only avoid the allocation of an extra byte array
// for small strings (see the implementation of GetUtf8Bytes).
int nb;
byte[] bytes = GetUtf8Bytes(s, out nb);
if (nb >= _capacity)
{
// By default increase size by the max of 50% or new capacity nb.
int newSize = Math.Max(_capacity + _capacity / 2, nb + 1);
IntPtr lPtr = SDL.SDL_realloc(_handle, (IntPtr)newSize);
if (lPtr == IntPtr.Zero)
{
Dispose();
throw new OutOfMemoryException("Cannot reallocate Utf8String");
}
_handle = lPtr;
_capacity = newSize;
}
_count = nb;
Marshal.Copy(bytes, 0, _handle, nb);
((byte *)_handle)[nb] = 0;
}
else
{
Dispose();
}
Contract.Ensures(String().Equals(s), "string_set");
}