BoolTable.h

/*
 *  $Id$
 *  Plugin class interface
 *
 *  This file is part of OTAWA
 *  Copyright (c) 2007, IRIT UPS.
 * 
 *  OTAWA is free software; you can redistribute it and/or modify
 *  it under the terms of the GNU General Public License as published by
 *  the Free Software Foundation; either version 2 of the License, or
 *  (at your option) any later version.
 *
 *  OTAWA 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 General Public License for more details.
 *
 *  You should have received a copy of the GNU General Public License
 *  along with OTAWA; if not, write to the Free Software 
 *  Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
 */
#ifndef ELM_GENSTRUCT_BOOLTABLE_H
#define ELM_GENSTRUCT_BOOLTABLE_H

#include <elm/util/BitVector.h>
#include <elm/genstruct/Table.h>
#include <elm/util/delegate.h>

namespace elm { namespace genstruct {


// Table<bool> class
template <>
class Table<bool> {
public:
    static Table<bool> EMPTY;

    inline Table(bool *table, int count): bvec(count)
        { for(int i = 0; i < count; i++) if(table[i]) bvec.set(i); }
    inline Table(const Table<bool>& table): bvec(table.bvec.size())
        { copy(table); }
    
    // Accessors
    typedef ArrayDelegate<Table<bool>, int, bool> delegate_t; 
    inline int count(void) const { return bvec.size(); }
    inline bool get(int index) const { return bvec.bit(index); }
    inline delegate_t get(int index) { return delegate_t(*this, index); } 
    inline void set(int index, bool value) { bvec.set(index, value); }
    inline bool isEmpty(void) const { return bvec.isEmpty(); }
    
    // Mutators
    inline void copy(const Table<bool>& table) { bvec = table.bvec; }

    // Operators
    inline bool operator[](int index) const { return get(index); } 
    inline delegate_t operator[](int index) { return get(index); }
    inline Table<bool>& operator=(const Table<bool>& table)
        { copy(table); return *this; }
    inline operator bool(void) const { return !isEmpty(); }

protected:
    BitVector bvec;
    inline Table(void) { }
};


// AllocatedTable<bool> class
template <>
class AllocatedTable<bool>: public Table<bool> {
public:
    inline AllocatedTable(void) { }
    inline AllocatedTable(int count) { allocate(count); }
    inline AllocatedTable(const Table<bool>& table): Table<bool>(table) { }

    inline void allocate(int count) { bvec.resize(count); }
    inline void free(void) { }
    inline void copy(const AllocatedTable<bool>& table)
        { bvec.copy(table.bvec); }
    inline AllocatedTable<bool>& operator=(const AllocatedTable<bool>& table)
        { copy(table); return *this; }
};

} } // elm::genstruct

#endif /* ELM_GENSTRUCT_BOOLTABLE_H */