// float
public static bool read(bintalk.IReader r, ref float v, uint maxValue)
{
byte[] data; int startId;
if (!r.read(4, out data, out startId)) return false;
v = BitConverter.ToSingle(data, startId);
return true;
}
// uint16
public static bool read(bintalk.IReader r, ref ushort v, uint maxValue)
{
byte[] data; int startId;
if (!r.read(2, out data, out startId)) return false;
v = BitConverter.ToUInt16(data, startId);
return true;
}
// int8
public static bool read(bintalk.IReader r, ref sbyte v, uint maxValue)
{
byte[] data; int startId;
if (!r.read(1, out data, out startId))
return false;
v = (sbyte)data[startId];
return true;
}
// string
public static void write(bintalk.IWriter w, string v)
{
if (v == null || v.Length == 0)
writeDynSize(w, 0);
else
{
byte[] str = Encoding.UTF8.GetBytes(v);
uint len = (uint)str.Length;
writeDynSize(w, len);
if (len > 0)
w.write(str);
}
}
public static bool readMid(bintalk.IReader r, ref ushort v)
{
return read(r, ref v, 0);
}
// dynamic size.
public static bool readDynSize(bintalk.IReader r, out uint s)
{
s = 0;
byte b = 0;
if (!read(r, ref b, 0))
return false;
uint n = (uint)((b & 0XC0) >> 6);
s = (uint)(b & 0X3F);
for (int i = 0; i < n; i++)
{
if (!read(r, ref b, 0))
return false;
s = (s << 8) | b;
}
return true;
}
// binary.
public static bool read(bintalk.IReader r, ref byte[] v, uint maxValue)
{
uint s;
if (!readDynSize(r, out s) || s > maxValue)
return false;
v = new byte[s];
byte[] data; int startId;
if(!r.read(s, out data, out startId))
return false;
Array.Copy(data, startId, v, 0, s);
return true;
}
// string.
public static bool read(bintalk.IReader r, ref string v, uint maxValue)
{
uint s;
if (!readDynSize(r, out s) || s > maxValue)
return false;
byte[] data; int startId;
if(!r.read(s, out data, out startId))
return false;
v = Encoding.UTF8.GetString(data, startId, (int)s);
return true;
}
// binary.
public static void write(bintalk.IWriter w, byte[] v)
{
if (v == null || v.Length == 0)
writeDynSize(w, 0);
else
{
uint s = (uint)v.Length;
writeDynSize(w, s);
w.write(v);
}
}
// bool
public static void write(bintalk.IWriter w, bool v)
{
write(w, (byte)(v?1:0));
}
// uint8
public static void write(bintalk.IWriter w, byte v)
{
w.write(new byte[1]{v});
}
// uint16
public static void write(bintalk.IWriter w, ushort v)
{
w.write(BitConverter.GetBytes(v));
}
public static void writeMid(bintalk.IWriter w, int v)
{
write(w, (ushort)v);
}
// dynamic size.
public static void writeDynSize(bintalk.IWriter w, uint s)
{
byte[] b = BitConverter.GetBytes(s);
int n = 0;
if (s <= 0X3F)
n = 0;
else if (s <= 0X3FFF)
n = 1;
else if(s <= 0X3FFFFF)
n = 2;
else if(s <= 0X3FFFFFFF)
n = 3;
b[n] |= (byte)(n << 6);
for(int i = n; i >= 0; i--)
write(w, b[i]);
}
