static bool Canonize(nglString& rStr)
{
nglString canon;
int32 len = rStr.GetLength();
int32 root_part = GetRootPart(rStr);
int32 last_slash = root_part;
int32 slash = 0;
canon = rStr.GetLeft(root_part);
while (slash < len)
{
slash = rStr.Find(_T('/'), last_slash);
if (slash == - 1)
slash = len;
if (((slash - last_slash) == 1) && (rStr.GetChar(last_slash) == _T('.')))
{
// Ignore '.'
}
else
if (((slash - last_slash) == 2) && (!rStr.Compare(_T(".."), last_slash, 2)))
{
// Interpret '..'
int32 prev_slash = canon.FindLast(_T('/'));
if (prev_slash < root_part)
prev_slash = root_part;
if (!canon.IsEmpty() && canon.Compare(_T(".."), canon.GetLength() - 2, 2))
canon.Delete(prev_slash);
else
{
if (canon.GetLength() > root_part)
canon += _T('/');
canon += _T("..");
}
}
else
{
// Simply append path node
nglString node = rStr.Extract(last_slash, (slash - last_slash));
if (canon.GetLength() > root_part)
canon += _T('/');
canon += node;
}
last_slash = slash + 1;
}
rStr = canon;
return true;
}
nuiWidgetPtr nuiContainer::Find(const nglString& rName)
{
CheckValid();
int slash = rName.Find('/');
if (slash >= 0)
{
nglString path = rName.GetLeft(slash);
nglString rest = rName.Extract(slash + 1);
nuiWidgetPtr node = SearchForChild(path, false);
return node ? node->Find(rest) : NULL;
}
else
return SearchForChild(rName,false);
}