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//
// aegis - project change supervisor
// Copyright (C) 2008 Peter Miller
//
// This program 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 3 of the License, or (at
// your option) any later version.
//
// This program 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 this program. If not, see <http://www.gnu.org/licenses/>.
//

#ifndef LIBAEGIS_INTROSPECTOR_VECTOR_H
#define LIBAEGIS_INTROSPECTOR_VECTOR_H

#include <libaegis/introspector.h>

class introspector_vector
{
public:
    virtual ~introspector_vector();

    introspector_vector();

    introspector_vector(const introspector_vector &);

    introspector_vector &operator=(const introspector_vector &);

    void clear();

    bool empty() const { return (length == 0); }

    size_t size() const { return length; }

    introspector::pointer
    back()
        const
    {
        return (length == 0 ? introspector::pointer() : item[length - 1]);
    }

    void
    push_back(const introspector::pointer &ip)
    {
        grow(1);
        item[length++] = ip;
    }

    void push_back(const introspector_vector &il);

    void pop_back();

private:
    size_t length;

    size_t maximum;

    introspector::pointer *item;

    void grow_slow(size_t nitems);

    void
    grow(size_t nitems)
    {
        if (length + nitems > maximum)
            grow_slow(nitems);
    }
};

#endif // LIBAEGIS_INTROSPECTOR_VECTOR_H