modules/up/src/gnug++/CacheKey.CacheValue.Map.h
/* [<][>][^][v][top][bottom][index][help] */
FUNCTIONS
This source file includes following functions.
- CacheKeyCacheValueMap
- CacheKeyCacheValueMap
- length
- empty
- dflt
- CacheKeyCacheValueMap
// 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 the GNU C++ Library. This library is free
software; you can redistribute it and/or modify it under the terms of
the GNU Library General Public License as published by the Free
Software Foundation; either version 2 of the License, or (at your
option) any later version. This library is distributed in the hope
that it will be useful, but WITHOUT ANY WARRANTY; without even the
implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
PURPOSE. See the GNU Library General Public License for more details.
You should have received a copy of the GNU Library General Public
License along with this library; if not, write to the Free Software
Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
#ifndef _CacheKeyCacheValueMap_h
#ifdef __GNUG__
#pragma interface
#endif
#define _CacheKeyCacheValueMap_h 1
#include "Pix.h"
#include "CacheKey.defs.h"
class CacheKeyCacheValueMap
/* [<][>][^][v][top][bottom][index][help] */
{
protected:
int count;
CacheValue def;
public:
CacheKeyCacheValueMap(CacheValue& dflt);
inline virtual ~CacheKeyCacheValueMap();
int length() const; // current number of items
int empty() const;
virtual int contains(CacheKey key); // is key mapped?
virtual void clear(); // delete all items
virtual CacheValue& operator [] (CacheKey key) = 0; // access contents by key
virtual void del(CacheKey key) = 0; // delete entry
virtual Pix first() = 0; // Pix of first item or 0
virtual void next(Pix& i) = 0; // advance to next or 0
virtual CacheKey& key(Pix i) = 0; // access key at i
virtual CacheValue& contents(Pix i) = 0; // access contents at i
virtual int owns(Pix i); // is i a valid Pix ?
virtual Pix seek(CacheKey key); // Pix of key
CacheValue& dflt(); // access default val
void error(const char* msg);
virtual int OK() = 0; // rep invariant
};
inline CacheKeyCacheValueMap::~CacheKeyCacheValueMap() {}
/* [<][>][^][v][top][bottom][index][help] */
inline int CacheKeyCacheValueMap::length() const
/* [<][>][^][v][top][bottom][index][help] */
{
return count;
}
inline int CacheKeyCacheValueMap::empty() const
/* [<][>][^][v][top][bottom][index][help] */
{
return count == 0;
}
inline CacheValue& CacheKeyCacheValueMap::dflt()
/* [<][>][^][v][top][bottom][index][help] */
{
return def;
}
inline CacheKeyCacheValueMap::CacheKeyCacheValueMap(CacheValue& dflt) :def(dflt)
/* [<][>][^][v][top][bottom][index][help] */
{
count = 0;
}
#endif