diff options
Diffstat (limited to 'src/common/chunk_file.h')
-rw-r--r-- | src/common/chunk_file.h | 623 |
1 files changed, 0 insertions, 623 deletions
diff --git a/src/common/chunk_file.h b/src/common/chunk_file.h deleted file mode 100644 index 972ef9039..000000000 --- a/src/common/chunk_file.h +++ /dev/null @@ -1,623 +0,0 @@ -// 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 - -// 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 <cstring> -#include <deque> -#include <list> -#include <map> -#include <set> -#include <string> -#include <type_traits> -#include <utility> -#include <vector> -#include "common/assert.h" -#include "common/common_types.h" -#include "common/logging/log.h" - -template <class T> -struct LinkedListItem : public T { - LinkedListItem<T>* next; -}; - -class PointerWrap; - -class PointerWrapSection { -public: - PointerWrapSection(PointerWrap& p, int ver, const char* title) - : p_(p), ver_(ver), title_(title) {} - ~PointerWrapSection(); - - bool operator==(const int& v) const { - return ver_ == v; - } - bool operator!=(const int& v) const { - return ver_ != v; - } - bool operator<=(const int& v) const { - return ver_ <= v; - } - bool operator>=(const int& v) const { - return ver_ >= v; - } - bool operator<(const int& v) const { - return ver_ < v; - } - bool operator>(const int& v) const { - return ver_ > v; - } - - operator bool() const { - return ver_ > 0; - } - -private: - PointerWrap& p_; - int ver_; - const char* title_; -}; - -// Wrapper class -class PointerWrap { -// This makes it a compile error if you forget to define DoState() on non-POD. -// Which also can be a problem, for example struct tm is non-POD on linux, for whatever reason... -#ifdef _MSC_VER - template <typename T, bool isPOD = std::is_pod<T>::value, - bool isPointer = std::is_pointer<T>::value> -#else - template <typename T, bool isPOD = __is_pod(T), bool isPointer = std::is_pointer<T>::value> -#endif - struct DoHelper { - static void DoArray(PointerWrap* p, T* x, int count) { - for (int i = 0; i < count; ++i) - p->Do(x[i]); - } - - static void Do(PointerWrap* p, T& x) { - p->DoClass(x); - } - }; - - template <typename T> - struct DoHelper<T, true, false> { - static void DoArray(PointerWrap* p, T* x, int count) { - p->DoVoid((void*)x, sizeof(T) * count); - } - - static void Do(PointerWrap* p, T& x) { - p->DoVoid((void*)&x, sizeof(x)); - } - }; - -public: - enum Mode { - MODE_READ = 1, // load - MODE_WRITE, // save - MODE_MEASURE, // calculate size - MODE_VERIFY, // compare - }; - - enum Error { - ERROR_NONE = 0, - ERROR_WARNING = 1, - ERROR_FAILURE = 2, - }; - - u8** ptr; - Mode mode; - Error error; - -public: - PointerWrap(u8** ptr_, Mode mode_) : ptr(ptr_), mode(mode_), error(ERROR_NONE) {} - PointerWrap(unsigned char** ptr_, int mode_) - : ptr((u8**)ptr_), mode((Mode)mode_), error(ERROR_NONE) {} - - PointerWrapSection Section(const char* title, int ver) { - return Section(title, ver, ver); - } - - // The returned object can be compared against the version that was loaded. - // This can be used to support versions as old as minVer. - // Version = 0 means the section was not found. - PointerWrapSection Section(const char* title, int minVer, int ver) { - char marker[16] = {0}; - int foundVersion = ver; - - strncpy(marker, title, sizeof(marker)); - if (!ExpectVoid(marker, sizeof(marker))) { - // Might be before we added name markers for safety. - if (foundVersion == 1 && ExpectVoid(&foundVersion, sizeof(foundVersion))) - DoMarker(title); - // Wasn't found, but maybe we can still load the state. - else - foundVersion = 0; - } else - Do(foundVersion); - - if (error == ERROR_FAILURE || foundVersion < minVer || foundVersion > ver) { - LOG_ERROR(Common, "Savestate failure: wrong version %d found for %s", foundVersion, - title); - SetError(ERROR_FAILURE); - return PointerWrapSection(*this, -1, title); - } - return PointerWrapSection(*this, foundVersion, title); - } - - void SetMode(Mode mode_) { - mode = mode_; - } - Mode GetMode() const { - return mode; - } - u8** GetPPtr() { - return ptr; - } - void SetError(Error error_) { - if (error < error_) - error = error_; - if (error > ERROR_WARNING) - mode = PointerWrap::MODE_MEASURE; - } - - bool ExpectVoid(void* data, int size) { - switch (mode) { - case MODE_READ: - if (memcmp(data, *ptr, size) != 0) - return false; - break; - case MODE_WRITE: - memcpy(*ptr, data, size); - break; - case MODE_MEASURE: - break; // MODE_MEASURE - don't need to do anything - case MODE_VERIFY: - for (int i = 0; i < size; i++) { - DEBUG_ASSERT_MSG( - ((u8*)data)[i] == (*ptr)[i], - "Savestate verification failure: %d (0x%X) (at %p) != %d (0x%X) (at %p).\n", - ((u8*)data)[i], ((u8*)data)[i], &((u8*)data)[i], (*ptr)[i], (*ptr)[i], - &(*ptr)[i]); - } - break; - default: - break; // throw an error? - } - (*ptr) += size; - return true; - } - - 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 - case MODE_VERIFY: - for (int i = 0; i < size; i++) { - DEBUG_ASSERT_MSG( - ((u8*)data)[i] == (*ptr)[i], - "Savestate verification failure: %d (0x%X) (at %p) != %d (0x%X) (at %p).\n", - ((u8*)data)[i], ((u8*)data)[i], &((u8*)data)[i], (*ptr)[i], (*ptr)[i], - &(*ptr)[i]); - } - break; - default: - break; // throw an error? - } - (*ptr) += size; - } - - template <class K, class T> - void Do(std::map<K, T*>& x) { - if (mode == MODE_READ) { - for (auto it = x.begin(), end = x.end(); it != end; ++it) { - if (it->second != nullptr) - delete it->second; - } - } - T* dv = nullptr; - DoMap(x, dv); - } - - template <class K, class T> - void Do(std::map<K, T>& x) { - T dv = T(); - DoMap(x, dv); - } - - template <class K, class T> - void DoMap(std::map<K, T>& x, T& default_val) { - unsigned int number = (unsigned int)x.size(); - Do(number); - switch (mode) { - case MODE_READ: { - x.clear(); - while (number > 0) { - K first = K(); - Do(first); - T second = default_val; - Do(second); - x[first] = second; - --number; - } - } break; - case MODE_WRITE: - case MODE_MEASURE: - case MODE_VERIFY: { - typename std::map<K, T>::iterator itr = x.begin(); - while (number > 0) { - K first = itr->first; - Do(first); - Do(itr->second); - --number; - ++itr; - } - } break; - } - } - - template <class K, class T> - void Do(std::multimap<K, T*>& x) { - if (mode == MODE_READ) { - for (auto it = x.begin(), end = x.end(); it != end; ++it) { - if (it->second != nullptr) - delete it->second; - } - } - T* dv = nullptr; - DoMultimap(x, dv); - } - - template <class K, class T> - void Do(std::multimap<K, T>& x) { - T dv = T(); - DoMultimap(x, dv); - } - - template <class K, class T> - void DoMultimap(std::multimap<K, T>& x, T& default_val) { - unsigned int number = (unsigned int)x.size(); - Do(number); - switch (mode) { - case MODE_READ: { - x.clear(); - while (number > 0) { - K first = K(); - Do(first); - T second = default_val; - Do(second); - x.insert(std::make_pair(first, second)); - --number; - } - } break; - case MODE_WRITE: - case MODE_MEASURE: - case MODE_VERIFY: { - typename std::multimap<K, T>::iterator itr = x.begin(); - while (number > 0) { - Do(itr->first); - Do(itr->second); - --number; - ++itr; - } - } break; - } - } - - // Store vectors. - template <class T> - void Do(std::vector<T*>& x) { - T* dv = nullptr; - DoVector(x, dv); - } - - template <class T> - void Do(std::vector<T>& x) { - T dv = T(); - DoVector(x, dv); - } - - template <class T> - void DoPOD(std::vector<T>& x) { - T dv = T(); - DoVectorPOD(x, dv); - } - - template <class T> - void Do(std::vector<T>& x, T& default_val) { - DoVector(x, default_val); - } - - template <class T> - void DoVector(std::vector<T>& x, T& default_val) { - u32 vec_size = (u32)x.size(); - Do(vec_size); - x.resize(vec_size, default_val); - if (vec_size > 0) - DoArray(&x[0], vec_size); - } - - template <class T> - void DoVectorPOD(std::vector<T>& x, T& default_val) { - u32 vec_size = (u32)x.size(); - Do(vec_size); - x.resize(vec_size, default_val); - if (vec_size > 0) - DoArray(&x[0], vec_size); - } - - // Store deques. - template <class T> - void Do(std::deque<T*>& x) { - T* dv = nullptr; - DoDeque(x, dv); - } - - template <class T> - void Do(std::deque<T>& x) { - T dv = T(); - DoDeque(x, dv); - } - - template <class T> - void DoDeque(std::deque<T>& x, T& default_val) { - u32 deq_size = (u32)x.size(); - Do(deq_size); - x.resize(deq_size, default_val); - u32 i; - for (i = 0; i < deq_size; i++) - Do(x[i]); - } - - // Store STL lists. - template <class T> - void Do(std::list<T*>& x) { - T* dv = nullptr; - Do(x, dv); - } - - template <class T> - void Do(std::list<T>& x) { - T dv = T(); - DoList(x, dv); - } - - template <class T> - void Do(std::list<T>& x, T& default_val) { - DoList(x, default_val); - } - - template <class T> - void DoList(std::list<T>& x, T& default_val) { - u32 list_size = (u32)x.size(); - Do(list_size); - x.resize(list_size, default_val); - - typename std::list<T>::iterator itr, end; - for (itr = x.begin(), end = x.end(); itr != end; ++itr) - Do(*itr); - } - - // Store STL sets. - template <class T> - void Do(std::set<T*>& x) { - if (mode == MODE_READ) { - for (auto it = x.begin(), end = x.end(); it != end; ++it) { - if (*it != nullptr) - delete *it; - } - } - DoSet(x); - } - - template <class T> - void Do(std::set<T>& x) { - DoSet(x); - } - - template <class T> - void DoSet(std::set<T>& x) { - unsigned int number = (unsigned int)x.size(); - Do(number); - - switch (mode) { - case MODE_READ: { - x.clear(); - while (number-- > 0) { - T it = T(); - Do(it); - x.insert(it); - } - } break; - case MODE_WRITE: - case MODE_MEASURE: - case MODE_VERIFY: { - typename std::set<T>::iterator itr = x.begin(); - while (number-- > 0) - Do(*itr++); - } break; - - default: - LOG_ERROR(Common, "Savestate error: invalid mode %d.", mode); - } - } - - // Store strings. - void Do(std::string& x) { - int stringLen = (int)x.length() + 1; - Do(stringLen); - - switch (mode) { - case MODE_READ: - x = (char*)*ptr; - break; - case MODE_WRITE: - memcpy(*ptr, x.c_str(), stringLen); - break; - case MODE_MEASURE: - break; - case MODE_VERIFY: - DEBUG_ASSERT_MSG((x == (char*)*ptr), - "Savestate verification failure: \"%s\" != \"%s\" (at %p).\n", - x.c_str(), (char*)*ptr, ptr); - break; - } - (*ptr) += stringLen; - } - - void Do(std::wstring& x) { - int stringLen = sizeof(wchar_t) * ((int)x.length() + 1); - Do(stringLen); - - switch (mode) { - case MODE_READ: - x = (wchar_t*)*ptr; - break; - case MODE_WRITE: - memcpy(*ptr, x.c_str(), stringLen); - break; - case MODE_MEASURE: - break; - case MODE_VERIFY: - DEBUG_ASSERT_MSG((x == (wchar_t*)*ptr), - "Savestate verification failure: \"%ls\" != \"%ls\" (at %p).\n", - x.c_str(), (wchar_t*)*ptr, ptr); - break; - } - (*ptr) += stringLen; - } - - template <class T> - void DoClass(T& x) { - x.DoState(*this); - } - - template <class T> - void DoClass(T*& x) { - if (mode == MODE_READ) { - if (x != nullptr) - delete x; - x = new T(); - } - x->DoState(*this); - } - - template <class T> - void DoArray(T* x, int count) { - DoHelper<T>::DoArray(this, x, count); - } - - template <class T> - void Do(T& x) { - DoHelper<T>::Do(this, x); - } - - template <class T> - void DoPOD(T& x) { - DoHelper<T>::Do(this, x); - } - - template <class T> - void DoPointer(T*& x, T* const base) { - // pointers can be more than 2^31 apart, but you're using this function wrong if you need - // that much range - s32 offset = x - base; - Do(offset); - if (mode == MODE_READ) - x = base + offset; - } - - template <class T, LinkedListItem<T>* (*TNew)(), void (*TFree)(LinkedListItem<T>*), - void (*TDo)(PointerWrap&, T*)> - void DoLinkedList(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(shouldExist); - if (shouldExist == 1) { - LinkedListItem<T>* cur = list_cur ? list_cur : TNew(); - TDo(*this, (T*)cur); - if (!list_cur) { - if (mode == MODE_READ) { - cur->next = nullptr; - list_cur = cur; - if (prev) - prev->next = cur; - else - list_start = cur; - } else { - TFree(cur); - continue; - } - } - } else { - if (mode == 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; - } - } - - void DoMarker(const char* prevName, u32 arbitraryNumber = 0x42) { - u32 cookie = arbitraryNumber; - Do(cookie); - if (mode == PointerWrap::MODE_READ && cookie != arbitraryNumber) { - LOG_ERROR(Common, - "After \"%s\", found %d (0x%X) instead of save marker %d (0x%X). " - "Aborting savestate load...", - prevName, cookie, cookie, arbitraryNumber, arbitraryNumber); - SetError(ERROR_FAILURE); - } - } -}; - -inline PointerWrapSection::~PointerWrapSection() { - if (ver_ > 0) { - p_.DoMarker(title_); - } -} |