public static int[] DecodeIntDiff(string text)
{
CharFlow flow = new CharFlow(text.ToCharArray());
int sz = Base46.DecodeUnsigned(flow);
int[] data = new int[sz];
int last = 0;
for (int i = 0; i < sz; i++)
{
last += Base46.Decode(flow);
data[i] = last;
}
return(data);
}
public static string EncodeIntDiff(int[] data)
{
StringBuilder sbr = new StringBuilder();
Base46.EncodeUnsigned(sbr, data.Length);
int last = 0;
for (int i = 0; i < data.Length; i++)
{
int v = data[i];
Base46.Encode(sbr, v - last);
last = v;
}
return(sbr.ToString());
}
public static int[] DecodeIntPairsDiff(string text)
{
CharFlow flow = new CharFlow(text.ToCharArray());
int sz = Base46.DecodeUnsigned(flow);
int[] data = new int[sz * 2];
int j = 0;
int lastKey = 0;
int lastValue = 0;
for (int i = 0; i < sz; i++)
{
lastKey += Base46.Decode(flow);
lastValue += Base46.Decode(flow);
data[j++] = lastKey;
data[j++] = lastValue;
}
return(data);
}
public static string EncodeIntPairsDiff(int[] data)
{
StringBuilder sbr = new StringBuilder();
Base46.EncodeUnsigned(sbr, data.Length / 2);
int lastKey = 0;
int lastValue = 0;
for (int i = 0; i < data.Length; i += 2)
{
int key = data[i];
int value = data[i + 1];
Base46.Encode(sbr, key - lastKey);
Base46.Encode(sbr, value - lastValue);
lastKey = key;
lastValue = value;
}
return(sbr.ToString());
}
