ppsspp/Common/Serialize/SerializeList.h

110 lines
2.8 KiB
C++

// Copyright (C) 2003 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 or later versions.
// 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/
#pragma once
// Templates for save state serialization. See Serializer.h.
#include <list>
#include "Common/Serialize/SerializeFuncs.h"
template<class T>
void DoList(PointerWrap &p, std::list<T> &x, T &default_val) {
u32 list_size = (u32)x.size();
Do(p, list_size);
x.resize(list_size, default_val);
for (T &elem : x)
Do(p, elem);
}
template<class T>
void Do(PointerWrap &p, std::list<T *> &x) {
T *dv = nullptr;
Do(p, x, dv);
}
template<class T>
void Do(PointerWrap &p, std::list<T> &x) {
T dv = T();
DoList(p, x, dv);
}
template<class T>
void Do(PointerWrap &p, std::list<T> &x, T &default_val) {
DoList(p, x, default_val);
}
template<class T, LinkedListItem<T> *(*TNew)(), void (*TFree)(LinkedListItem<T> *), void (*TDo)(PointerWrap &, T *)>
void DoLinkedList(PointerWrap &p, LinkedListItem<T> *&list_start, LinkedListItem<T> **list_end = nullptr) {
LinkedListItem<T> *list_cur = list_start;
LinkedListItem<T> *prev = nullptr;
while (true) {
u8 shouldExist = (list_cur ? 1 : 0);
Do(p, shouldExist);
if (shouldExist == 1) {
LinkedListItem<T> *cur = list_cur ? list_cur : TNew();
TDo(p, (T *)cur);
if (!list_cur) {
if (p.mode == PointerWrap::MODE_READ) {
cur->next = 0;
list_cur = cur;
if (prev)
prev->next = cur;
else
list_start = cur;
} else {
TFree(cur);
continue;
}
}
} else {
if (shouldExist != 0) {
WARN_LOG(Log::SaveState, "Savestate failure: incorrect item marker %d", shouldExist);
p.SetError(p.ERROR_FAILURE);
}
if (p.mode == PointerWrap::MODE_READ) {
if (prev)
prev->next = nullptr;
if (list_end)
*list_end = prev;
if (list_cur) {
if (list_start == list_cur)
list_start = nullptr;
do {
LinkedListItem<T> *next = list_cur->next;
TFree(list_cur);
list_cur = next;
} while (list_cur);
}
}
break;
}
prev = list_cur;
list_cur = list_cur->next;
}
}
inline void DoIgnoreUnusedLinkedList(PointerWrap &p) {
u8 shouldExist = 0;
Do(p, shouldExist);
if (shouldExist) {
// We don't support this linked list and haven't used it forever.
p.SetError(p.ERROR_FAILURE);
}
}