protected override CStyleString OnExecute(CStyleString arg)
{
var lastIndex = 0;
While(() => arg[lastIndex] != CStyleString.NullCharacter, () => lastIndex++);
lastIndex--;
var firstIndex = 0;
While(() => firstIndex < lastIndex, () =>
{
var tmp = arg[firstIndex];
arg[firstIndex] = arg[lastIndex];
arg[lastIndex] = tmp;
firstIndex++;
lastIndex--;
});
return(arg);
}
protected override CStyleString OnExecute(CStyleString arg)
{
if (arg == null)
{
throw new ArgumentNullException();
}
if (arg[0] == CStyleString.NullCharacter || arg[1] == CStyleString.NullCharacter)
{
return(arg);
}
var tail = 1;
int i = 1;
while (arg[i] != CStyleString.NullCharacter)
{
IncrementIteration();
int j;
for (j = 0; j < tail; ++j)
{
IncrementIteration();
if (arg[i] == arg[j])
{
break;
}
}
if (j == tail)
{
arg[tail] = arg[i];
tail++;
}
i++;
}
arg[tail] = CStyleString.NullCharacter;
return(arg);
}
