public static void Write(this Stream stream, string obj)
{
BSDebug.TraceStart("WriteString", stream.Position);
const int useBufferFrom = 7;
var length = obj.Length;
var bytesLength = length * sizeof(char);
// Write length
stream.Write(length);
if (length < useBufferFrom)
{
unsafe
{
fixed(char *objPtr = obj)
{
var valueBytePtr = (byte *)objPtr;
for (int i = 0; i < bytesLength; i++)
{
stream.WriteByte(valueBytePtr[i]);
}
}
}
}
else
{
var buffer = Buffers.Get(bytesLength);
unsafe
{
// It work faster but unfortunately available only from .net framework 4.6
//fixed (char* valuePtr = value)
// fixed (byte* bufferPtr = buffer)
// Buffer.MemoryCopy(valuePtr, bufferPtr, buffer.Length, usedLength);
fixed(void *objPtr = obj)
Marshal.Copy(new IntPtr(objPtr), buffer, 0, bytesLength);
}
// Write data
stream.Write(buffer, 0, bytesLength);
}
BSDebug.TraceEnd("WriteString", stream.Position);
}
public static void Write(this Stream stream, string obj)
{
BSDebug.TraceStart("WriteString", stream.Position);
const int useBufferFrom = 4;
var length = obj.Length;
var bytesLength = length * sizeof(char);
// Write length
stream.Write(length);
if (length < useBufferFrom)
{
unsafe
{
fixed(char *objPtr = obj)
{
var objBytePtr = (byte *)objPtr;
for (var i = 0; i < bytesLength; i++)
{
stream.WriteByte(objBytePtr[i]);
}
}
}
}
else
{
var buffer = Buffers.Get(bytesLength);
unsafe
{
fixed(char *valuePtr = obj)
fixed(byte *bufferPtr = buffer)
Buffer.MemoryCopy(valuePtr, bufferPtr, buffer.Length, bytesLength);
}
// Write data
stream.Write(buffer, 0, bytesLength);
}
BSDebug.TraceEnd("WriteString", stream.Position);
}
public static string ReadString(this Stream stream)
{
BSDebug.TraceStart("ReadString", stream.Position);
var length = stream.ReadInt32();
var bufferLength = length * sizeof(char);
var buffer = Buffers.Get(bufferLength);
stream.Read(buffer, 0, bufferLength);
BSDebug.TraceEnd("ReadString", stream.Position);
unsafe
{
fixed(byte *bufferPtr = buffer)
{
var bufferCharPtr = (char *)bufferPtr;
return(new string(bufferCharPtr, 0, length));
}
}
}