dolphin/Source/Core/Common/Src/ChunkFile.h

109 lines
2.7 KiB
C++

// Copyright (C) 2003-2008 Dolphin Project.
// 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, version 2.0.
// 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 2.0 for more details.
// A copy of the GPL 2.0 should have been included with the program.
// If not, see http://www.gnu.org/licenses/
// Official SVN repository and contact information can be found at
// http://code.google.com/p/dolphin-emu/
#ifndef _POINTERWRAP_H
#define _POINTERWRAP_H
// Extremely simple serialization framework.
// (mis)-features:
// + Super fast
// + Very simple
// + Same code is used for serialization and deserializaition (in most cases)
// - Zero backwards/forwards compatibility
// - Serialization code for anything complex has to be manually written.
#include <stdio.h>
#include <map>
#include <vector>
#include "Common.h"
template <class T>
struct LinkedListItem : public T
{
LinkedListItem<T> *next;
};
class PointerWrap
{
public:
enum Mode // also defined in pluginspecs.h. Didn't want to couple them.
{
MODE_READ = 1,
MODE_WRITE = 2,
MODE_MEASURE = 3,
};
u8 **ptr;
Mode mode;
public:
PointerWrap(u8 **ptr_, Mode mode_) : ptr(ptr_), mode(mode_) {}
PointerWrap(unsigned char **ptr_, int mode_) : ptr((u8**)ptr_), mode((Mode)mode_) {}
void SetMode(Mode mode_) {mode = mode_;}
Mode GetMode() const {return mode;}
u8 **GetPPtr() {return ptr;}
void DoVoid(void *data, int size)
{
switch (mode)
{
case MODE_READ: memcpy(data, *ptr, size); break;
case MODE_WRITE: memcpy(*ptr, data, size); break;
case MODE_MEASURE: break; // MODE_MEASURE - don't need to do anything
default: break; // throw an error?
}
(*ptr) += size;
}
// Store maps to file. Very useful.
template<class T>
void Do(std::map<unsigned int, T> &x) {
// TODO
PanicAlert("Do(map<>) does not yet work.");
}
// Store vectors.
template<class T>
void Do(std::vector<T> &x) {
// TODO
PanicAlert("Do(vector<>) does not yet work.");
}
template<class T>
void DoArray(T *x, int count) {
DoVoid((void *)x, sizeof(T) * count);
}
template<class T>
void Do(T &x) {
DoVoid((void *)&x, sizeof(x));
}
template<class T>
void DoLinkedList(LinkedListItem<T> **list_start) {
// TODO
PanicAlert("Do(vector<>) does not yet work.");
}
};
#endif // _POINTERWRAP_H