memory.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/>.
 *
 */

#ifndef LURE_MEMORY_H
#define LURE_MEMORY_H


#include "common/system.h"
#include "common/str.h"

namespace Lure {

class MemoryBlock {
private:
    byte *_data;
    uint32 _size;
public:
    MemoryBlock(uint32 size);
    MemoryBlock(MemoryBlock *src);
    ~MemoryBlock();

    byte *data() { return _data; }
    uint32 size() { return _size; }

    void empty();
    void setBytes(int c, size_t startIndex, size_t num);
    void copyFrom(MemoryBlock *src);
    void copyFrom(MemoryBlock *src, uint32 srcPos, uint32 destPos, uint32 srcLen);
    void copyFrom(const byte *src, uint32 srcPos, uint32 destPos, uint32 srcLen);
    void reallocate(uint32 size);
};

class Memory {
public:
    static MemoryBlock *allocate(uint32 size);
    static MemoryBlock *duplicate(MemoryBlock *src);
    static void *alloc(uint32 size);
    static void dealloc(void *block);
};

} // end of namspace Lure

#endif