Move positions handling to its own file.

src/options.icc

@@ -21,120 +21,6 @@
    If not, write to the Free Software Foundation, Inc.,
    59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.  */
 
-/* ---------------------------- Class Positions ---------------------------- */
-
-/* Constructors.  */
-
-INLINE
-Positions::Positions ()
-  : _size (0)
-{
-}
-
-INLINE
-Positions::Positions (int pos1)
-  : _size (1)
-{
-  _positions[0] = pos1;
-}
-
-INLINE
-Positions::Positions (int pos1, int pos2)
-  : _size (2)
-{
-  _positions[0] = pos1;
-  _positions[1] = pos2;
-}
-
-/* Copy constructor.  */
-
-INLINE
-Positions::Positions (const Positions& src)
-  : _size (src._size)
-{
-  memcpy (_positions, src._positions, _size * sizeof (_positions[0]));
-}
-
-/* Assignment operator.  */
-
-INLINE Positions&
-Positions::operator= (const Positions& src)
-{
-  _size = src._size;
-  memcpy (_positions, src._positions, _size * sizeof (_positions[0]));
-  return *this;
-}
-
-/* Accessors.  */
-
-INLINE int
-Positions::operator[] (unsigned int index) const
-{
-  return _positions[index];
-}
-
-INLINE unsigned int
-Positions::get_size () const
-{
-  return _size;
-}
-
-/* Write access.  */
-
-INLINE unsigned char *
-Positions::pointer ()
-{
-  return _positions;
-}
-
-INLINE void
-Positions::set_size (unsigned int size)
-{
-  _size = size;
-}
-
-/* Sorts the array in reverse order.
-   Returns true if there are no duplicates, false otherwise.  */
-INLINE bool
-Positions::sort ()
-{
-  /* Bubble sort.  */
-  bool duplicate_free = true;
-  unsigned char *base = _positions;
-  unsigned int len = _size;
-
-  for (unsigned int i = 1; i < len; i++)
-    {
-      unsigned int j;
-      int tmp;
-
-      for (j = i, tmp = base[j]; j > 0 && tmp >= base[j - 1]; j--)
-        if ((base[j] = base[j - 1]) == tmp) /* oh no, a duplicate!!! */
-          duplicate_free = false;
-
-      base[j] = tmp;
-    }
-
-  return duplicate_free;
-}
-
-/* ------------------------- Class PositionIterator ------------------------ */
-
-/* Initializes an iterator through POSITIONS.  */
-INLINE
-PositionIterator::PositionIterator (Positions const& positions)
-  : _set (positions),
-    _index (0)
-{
-}
-
-/* Retrieves the next position, or EOS past the end.  */
-INLINE int
-PositionIterator::next ()
-{
-  return (_index < _set._size ? _set._positions[_index++] : EOS);
-}
-
 /* ----------------------------- Class Options ----------------------------- */
 
 /* Tests a given boolean option.  Returns true if set, false otherwise.  */