public static byte[] GBKToUn(byte[] buffer, int index, int length)
{
List <byte> data = new List <byte>();
int i = index;
length += index;
while (i < length)
{
if (buffer[i] < 128)
{
data.Add(buffer[i]);
data.Add(0x00);
i++;
}
else
{
int value = buffer[i];
value = ((value << 8) & 0xff00) | (buffer[i + 1] & 0xff);
value = GBKTools.DichotomySearch(GBKToUnicodeTable.ucs_MappingTable, (UInt16)0, (UInt16)(GBKToUnicodeTable.ucs_MappingTable.Length / 2), (UInt16)value);
int temp = (value >> 8) & 0xff;
value = value & 0x00ff;
data.Add((byte)value);
data.Add((byte)temp);
i += 2;
}
}
return(data.ToArray());
}
public static byte[] UnToGBK(byte[] buffer, int index, int length)
{
List <byte> data = new List <byte>();
int i = index;
length += index;
while (i < length)
{
if (buffer[i] < 128 && buffer[i + 1] == 0)
{
data.Add(buffer[i]);
}
else
{
int value = buffer[i] | ((buffer[i + 1] << 8) & 0xff00);
byte[] bt = System.BitConverter.GetBytes(GBKTools.DichotomySearch(UnicodeToGBKTable.ucs_MappingTable, (UInt16)0, (UInt16)(UnicodeToGBKTable.ucs_MappingTable.Length / 2), (UInt16)value));
data.Add(bt[1]);
data.Add(bt[0]);
}
++i;
++i;
}
return(data.ToArray());
}
