public LSL_String llDeleteSubString(string src, int start, int end)
{
if (!ScriptProtection.CheckThreatLevel(ThreatLevel.None, "LSL", m_host, "LSL", m_itemID)) return new LSL_String();
// Normalize indices (if negative).
// After normlaization they may still be
// negative, but that is now relative to
// the start, rather than the end, of the
// sequence.
if (start < 0)
{
start = src.Length + start;
}
if (end < 0)
{
end = src.Length + end;
}
// Conventionally delimited substring
if (start <= end)
{
// If both bounds are outside of the existing
// string, then return unchanges.
if (end < 0 || start >= src.Length)
{
return src;
}
// At least one bound is in-range, so we
// need to clip the out-of-bound argument.
if (start < 0)
{
start = 0;
}
if (end >= src.Length)
{
end = src.Length - 1;
}
return src.Remove(start, end - start + 1);
}
// Inverted substring
// In this case, out of bounds means that
// the existing string is part of the cut.
if (start < 0 || end >= src.Length)
{
return String.Empty;
}
if (end > 0)
{
if (start < src.Length)
{
return src.Remove(start).Remove(0, end + 1);
}
return src.Remove(0, end + 1);
}
if (start < src.Length)
{
return src.Remove(start);
}
return src;
}
