int SetCharSequence0(int index, ICharSequence sequence, Encoding encoding, bool expand)
{
if (ReferenceEquals(encoding, Encoding.UTF8))
{
int length = ByteBufferUtil.Utf8MaxBytes(sequence);
if (expand)
{
this.EnsureWritable0(length);
this.CheckIndex0(index, length);
}
else
{
this.CheckIndex(index, length);
}
return(ByteBufferUtil.WriteUtf8(this, index, sequence, sequence.Count));
}
if (ReferenceEquals(encoding, Encoding.ASCII))
{
int length = sequence.Count;
if (expand)
{
this.EnsureWritable0(length);
this.CheckIndex0(index, length);
}
else
{
this.CheckIndex(index, length);
}
return(ByteBufferUtil.WriteAscii(this, index, sequence, length));
}
byte[] bytes = encoding.GetBytes(sequence.ToString());
if (expand)
{
this.EnsureWritable0(bytes.Length);
// setBytes(...) will take care of checking the indices.
}
this.SetBytes(index, bytes);
return(bytes.Length);
}