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Merge large parts of nakeee's "Soap" branch into trunk, after fixing a few crash bugs in FileUtil.cpp.

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Not really anything interesting, just some better comments, some slightly more portable/cleaner code in places.

git-svn-id: https://dolphin-emu.googlecode.com/svn/trunk@2459 8ced0084-cf51-0410-be5f-012b33b47a6e
This commit is contained in:
hrydgard
2009-02-28 01:26:56 +00:00
parent 2783f24cfe
commit 4bdb4aa0d1
77 changed files with 1610 additions and 1479 deletions
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217
Source/Core/Common/Src/ChunkFile.h
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@ -34,6 +34,7 @@
#include <string>
#include "Common.h"
#include "FileUtil.h"
template <class T>
struct LinkedListItem : public T
@ -41,15 +42,11 @@ struct LinkedListItem : public T
LinkedListItem<T> *next;
};
// Wrapper class
class PointerWrap
{
public:
/* READ is when we read from the save state file, WRITE is when we write to the
save state file. This enumareted list is also defined in pluginspecs.h. Didn't
want to couple them. */
enum Mode
{
enum Mode {
MODE_READ = 1,
MODE_WRITE,
MODE_MEASURE,
@ -68,8 +65,7 @@ public:
void DoVoid(void *data, int size)
{
switch (mode)
{
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
@ -84,22 +80,21 @@ public:
// 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.");
}
// Store strings.
void Do(std::string &x)
{
int stringLen = (int)x.length() + 1;
Do(stringLen);
switch (mode)
{
switch (mode) {
case MODE_READ: x = (char*)*ptr; break;
case MODE_WRITE: memcpy(*ptr, x.c_str(), stringLen); break;
case MODE_MEASURE: break;
@ -110,33 +105,29 @@ public:
void DoBuffer(u8** pBuffer, u32& _Size)
{
Do(_Size);
if (_Size > 0)
{
switch (mode)
{
if (_Size > 0) {
switch (mode) {
case MODE_READ: *pBuffer = new u8[_Size]; memcpy(*pBuffer, *ptr, _Size); break;
case MODE_WRITE: memcpy(*ptr, *pBuffer, _Size); break;
case MODE_MEASURE: break;
}
}
else
{
} else {
*pBuffer = NULL;
}
(*ptr) += _Size;
}
template<class T>
void DoArray(T *x, int count) {
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
@ -148,85 +139,129 @@ public:
class CChunkFileReader
{
public:
// Load file template
template<class T>
static bool Load(const std::string& _rFilename, int _Revision, T& _class)
static bool Load(const std::string& _rFilename, int _Revision, T& _class)
{
FILE* pFile = fopen(_rFilename.c_str(), "rb");
if (pFile)
{
// get size
fseek(pFile, 0, SEEK_END);
size_t FileSize = ftell(pFile);
fseek(pFile, 0, SEEK_SET);
INFO_LOG(COMMON, "ChunkReader: Loading %s" , _rFilename.c_str());
if (FileSize < sizeof(SChunkHeader))
{
fclose(pFile);
return false;
}
// read the header
SChunkHeader Header;
fread(&Header, sizeof(SChunkHeader), 1, pFile);
if (Header.Revision != _Revision)
{
fclose(pFile);
return false;
}
// get size
int sz = (int)(FileSize - sizeof(SChunkHeader));
if (Header.ExpectedSize != sz)
{
fclose(pFile);
return false;
}
// read the state
u8* buffer = new u8[sz];
fread(buffer, 1, sz, pFile);
fclose(pFile);
u8 *ptr = buffer;
PointerWrap p(&ptr, PointerWrap::MODE_READ);
_class.DoState(p);
delete [] buffer;
return true;
if (! File::Exists(_rFilename.c_str()))
return false;
// Check file size
u64 fileSize = File::GetSize(_rFilename.c_str());
u64 headerSize = sizeof(SChunkHeader);
if (fileSize < headerSize) {
ERROR_LOG(COMMON,"ChunkReader: File too small");
return false;
}
return false;
}
FILE* pFile;
if (! (pFile = fopen(_rFilename.c_str(), "rb"))) {
ERROR_LOG(COMMON,"ChunkReader: Can't open file for reading");
return false;
}
// read the header
SChunkHeader header;
if (fread(&header, 1, headerSize, pFile) != headerSize) {
fclose(pFile);
ERROR_LOG(COMMON,"ChunkReader: Bad header size");
return false;
}
// Check revision
if (header.Revision != _Revision) {
fclose(pFile);
ERROR_LOG(COMMON,"ChunkReader: Wrong file revision, got %d expected %d",
header.Revision, _Revision);
return false;
}
// get size
int sz = (int)(fileSize - headerSize);
if (header.ExpectedSize != sz) {
fclose(pFile);
ERROR_LOG(COMMON,"ChunkReader: Bad file size, got %d expected %d",
sz, header.ExpectedSize);
return false;
}
// read the state
u8* buffer = new u8[sz];
if ((int)fread(buffer, 1, sz, pFile) != sz) {
fclose(pFile);
ERROR_LOG(COMMON,"ChunkReader: Error reading file");
return false;
}
// done reading
if (fclose(pFile)) {
ERROR_LOG(COMMON,"ChunkReader: Error closing file! might be corrupted!");
// should never happen!
return false;
}
u8 *ptr = buffer;
PointerWrap p(&ptr, PointerWrap::MODE_READ);
_class.DoState(p);
delete [] buffer;
INFO_LOG(COMMON, "ChunkReader: Done loading %s" , _rFilename.c_str());
return true;
}
// Save file template
template<class T>
static bool Save(const std::string& _rFilename, int _Revision, T& _class)
{
FILE* pFile = fopen(_rFilename.c_str(), "wb");
if (pFile)
{
u8 *ptr = 0;
PointerWrap p(&ptr, PointerWrap::MODE_MEASURE);
_class.DoState(p);
size_t sz = (size_t)ptr;
u8 *buffer = new u8[sz];
ptr = buffer;
p.SetMode(PointerWrap::MODE_WRITE);
_class.DoState(p);
FILE* pFile;
SChunkHeader Header;
Header.Compress = 0;
Header.Revision = _Revision;
Header.ExpectedSize = (int)sz;
fwrite(&Header, sizeof(SChunkHeader), 1, pFile);
fwrite(buffer, sz, 1, pFile);
fclose(pFile);
return true;
INFO_LOG(COMMON, "ChunkReader: Writing %s" , _rFilename.c_str());
if (! (pFile = fopen(_rFilename.c_str(), "wb"))) {
ERROR_LOG(COMMON,"ChunkReader: Error opening file for write");
return false;
}
return false;
// Get data
u8 *ptr = 0;
PointerWrap p(&ptr, PointerWrap::MODE_MEASURE);
_class.DoState(p);
size_t sz = (size_t)ptr;
u8 *buffer = new u8[sz];
ptr = buffer;
p.SetMode(PointerWrap::MODE_WRITE);
_class.DoState(p);
// Create header
SChunkHeader header;
header.Compress = 0;
header.Revision = _Revision;
header.ExpectedSize = (int)sz;
// Write to file
if (fwrite(&header, sizeof(SChunkHeader), 1, pFile) != 1) {
ERROR_LOG(COMMON,"ChunkReader: Failed writing header");
return false;
}
if (fwrite(buffer, sz, 1, pFile) != 1) {
ERROR_LOG(COMMON,"ChunkReader: Failed writing data");
return false;
}
if (fclose(pFile)) {
ERROR_LOG(COMMON,"ChunkReader: Error closing file! might be corrupted!");
return false;
}
INFO_LOG(COMMON,"ChunkReader: Done writing %s",
_rFilename.c_str());
return true;
}
private:
struct SChunkHeader
{