private void SortDescriptors()
{
int j;
List <object> newDesc = new List <object>(descriptors.Count);
int cnt = 0;
for (int i = 0; i < descriptors.Count; i++)
{
SingleCharacter s;
CharacterRange range;
if (descriptors[i] is SingleCharacter)
{
s = (SingleCharacter)descriptors[i];
for (j = 0; j < cnt; j++)
{
if (newDesc[j] is SingleCharacter)
{
if (((SingleCharacter)newDesc[j]).Character > s.Character)
{
break;
}
else if (((SingleCharacter)newDesc[j]).Character == s.Character)
{
goto Outer;
}
}
else
{
char l = ((CharacterRange)newDesc[j]).Left;
if (InRange(s.Character, (CharacterRange)newDesc[j]))
{
goto Outer;
}
else
if (l > s.Character)
{
break;
}
}
}
newDesc.Insert(j, s);
cnt++;
}
else
{
range = (CharacterRange)descriptors[i];
for (j = 0; j < cnt; j++)
{
if (newDesc[j] is SingleCharacter)
{
if (InRange(((SingleCharacter)newDesc[j]).Character, range))
{
newDesc.RemoveAt(j--);
cnt--;
}
else if (((SingleCharacter)newDesc[j]).Character > range.Right)
{
break;
}
}
else
{
if (SubRange(range, (CharacterRange)newDesc[j]))
{
goto Outer;
}
else if (SubRange((CharacterRange)newDesc[j], range))
{
newDesc[j] = range;
goto Outer;
}
else if (Overlaps(range, (CharacterRange)newDesc[j]))
{
range.Left = (char)(((CharacterRange)newDesc[j]).Right + 1);
}
else if (Overlaps((CharacterRange)newDesc[j], range))
{
CharacterRange tmp = range;
((CharacterRange)newDesc[j]).Right = ((char)(range.Left + 1));
range = (CharacterRange)newDesc[j];
newDesc[j] = tmp;
}
else if (((CharacterRange)newDesc[j]).Left > range.Right)
{
break;
}
}
}
newDesc.Insert(j, range);
cnt++;
}
Outer:
;
}
descriptors = newDesc;
}
private static bool SubRange(CharacterRange r1, CharacterRange r2)
{
return(r1.Left >= r2.Left && r1.Right <= r2.Right);
}
private static bool InRange(char c, CharacterRange range)
{
return(c >= range.Left && c <= range.Right);
}
private static bool Overlaps(CharacterRange r1, CharacterRange r2)
{
return(r1.Left <= r2.Right && r1.Right > r2.Right);
}