coll_templ.h

/* ScummVM - Graphic Adventure Engine
 *
 * ScummVM is the legal property of its developers, whose names
 * are too numerous to list here. Please refer to the COPYRIGHT
 * file distributed with this source distribution.
 *
 * 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/>.
 *
 */

/*
 * This file is based on WME Lite.
 * http://dead-code.org/redir.php?target=wmelite
 * Copyright (c) 2011 Jan Nedoma
 */

#ifndef WINTERMUTE_COLL_TEMPL_H
#define WINTERMUTE_COLL_TEMPL_H

#include "common/array.h"
#include "engines/wintermute/base/base_persistence_manager.h"

namespace Wintermute {

// Basically Common::Array with peristence-support.
template<typename TYPE>
class BaseArrayBase : public Common::Array<TYPE> {
public:
// TODO: Might want to make sure that destructors are called when replacing/deleting/getting destructed
    int add(TYPE newElement) {
        Common::Array<TYPE>::push_back(newElement);
        return Common::Array<TYPE>::size() - 1;
    }
    void remove_at(uint32 idx) {
        Common::Array<TYPE>::remove_at(idx);
    }
    void remove_at(uint32 idx, uint32 num) {
        while (num) {
            if (idx >= Common::Array<TYPE>::size()) {
                break;
            }
            Common::Array<TYPE>::remove_at(idx);
        }
    }
    template<typename T2>
    void copy(const BaseArrayBase<T2> &src) {
        Common::Array<TYPE>::insert_at(0, src);
    }
};

template <typename TYPE>
class BaseArray : public BaseArrayBase<TYPE> {
    public:
    bool persist(BasePersistenceManager *persistMgr) {
        int32 j;
        if (persistMgr->getIsSaving()) {
            j = Common::Array<TYPE>::size();
            persistMgr->transferSint32("ArraySize", &j);
            typename Common::Array<TYPE>::const_iterator it = Common::Array<TYPE>::begin();
            for (; it != Common::Array<TYPE>::end(); ++it) {
                TYPE obj = *it;
                persistMgr->transferPtr("", &obj);
            }
        } else {
            Common::Array<TYPE>::clear();
            persistMgr->transferSint32("ArraySize", &j);
            for (int i = 0; i < j; i++) {
                TYPE obj = nullptr;
                persistMgr->transferPtr("", &obj);
                this->add(obj);
            }
        }
        return true;
    }
};

template <>
class BaseArray<char *> : public BaseArrayBase<char *> {
    public:
    bool persist(BasePersistenceManager *persistMgr) {
        int32 j;
        if (persistMgr->getIsSaving()) {
            j = Common::Array<char *>::size();
            persistMgr->transferSint32("ArraySize", &j);
            Common::Array<char *>::const_iterator it = Common::Array<char *>::begin();
            for (; it != Common::Array<char *>::end(); ++it) {
                char * obj = *it;
                persistMgr->transferCharPtr("", &obj);
            }
        } else {
            Common::Array<char *>::clear();
            persistMgr->transferSint32("ArraySize", &j);
            for (int i = 0; i < j; i++) {
                char * obj = nullptr;
                persistMgr->transferCharPtr("", &obj);
                add(obj);
            }
        }
        return true;
    }
};

template <>
class BaseArray<const char *> : public BaseArrayBase<const char *> {
public:
    bool persist(BasePersistenceManager *persistMgr) {
        int32 j;
        if (persistMgr->getIsSaving()) {
            j = Common::Array<const char *>::size();
            persistMgr->transferSint32("ArraySize", &j);
            Common::Array<const char *>::const_iterator it = Common::Array<const char *>::begin();
            for (; it != Common::Array<const char *>::end(); ++it) {
                const char * obj = *it;
                persistMgr->transferConstChar("", &obj);
            }
        } else {
            Common::Array<const char *>::clear();
            persistMgr->transferSint32("ArraySize", &j);
            for (int i = 0; i < j; i++) {
                const char * obj = nullptr;
                persistMgr->transferConstChar("", &obj);
                add(obj);
            }
        }
        return true;
    }
};

} // End of namespace Wintermute

#endif