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- // This may look like C code, but it is really -*- C++ -*-
- /*
- Copyright (C) 1988 Free Software Foundation
- written by Doug Lea (dl@rocky.oswego.edu)
-
- This file is part of GNU CC.
-
- GNU CC is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY. No author or distributor
- accepts responsibility to anyone for the consequences of using it
- or for whether it serves any particular purpose or works at all,
- unless he says so in writing. Refer to the GNU CC General Public
- License for full details.
-
- Everyone is granted permission to copy, modify and redistribute
- GNU CC, but only under the conditions described in the
- GNU CC General Public License. A copy of this license is
- supposed to have been given to you along with GNU CC so you
- can know your rights and responsibilities. It should be in a
- file named COPYING. Among other things, the copyright notice
- and this notice must be preserved on all copies.
- */
-
-
- #ifndef _<T><C>Map_h
- #pragma once
- #define _<T><C>Map_h 1
-
- #include <Pix.h>
- #include "<T>.defs.h"
-
- class <T><C>Map
- {
- protected:
- int count;
- <C> def;
-
- public:
- <T><C>Map(<C&> dflt);
-
- int length(); // current number of items
- int empty();
-
- virtual int contains(<T&> key); // is key mapped?
-
- virtual void clear(); // delete all items
-
- virtual <C>& operator [] (<T&> key); // access contents by key
-
- virtual void del(<T&> key); // delete entry
-
- virtual Pix first(); // Pix of first item or 0
- virtual void next(Pix& i); // advance to next or 0
- virtual <T>& key(Pix i); // access key at i
- virtual <C>& contents(Pix i); // access contents at i
-
- virtual int owns(Pix i); // is i a valid Pix ?
- virtual Pix seek(<T&> key); // Pix of key
-
- <C>& dflt(); // access default val
-
- void error(char* msg);
- virtual int OK(); // rep invariant
- };
-
-
- inline int <T><C>Map::length()
- {
- return count;
- }
-
- inline int <T><C>Map::empty()
- {
- return count == 0;
- }
-
- inline <C>& <T><C>Map::dflt()
- {
- return def;
- }
-
- inline <T><C>Map::<T><C>Map(<C&> dflt) :def(dflt)
- {
- count = 0;
- }
-
-
- #endif
-