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Common: Refactor PointerWrap

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This commit is contained in:
Dentomologist
2022-05-17 22:29:05 -07:00
parent 7fcc866c41
commit f6b9acccfc
38 changed files with 108 additions and 106 deletions
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51
Source/Core/Common/ChunkFile.h
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@ -40,32 +40,37 @@ class PointerWrap
public:
enum Mode
{
MODE_READ = 1, // load
MODE_WRITE, // save
MODE_MEASURE, // calculate size
MODE_VERIFY, // compare
MODE_READ,
MODE_WRITE,
MODE_MEASURE,
MODE_VERIFY,
};
private:
u8** m_ptr_current;
u8* m_ptr_end;
Mode mode;
Mode m_mode;
public:
PointerWrap(u8** ptr, size_t size, Mode mode_)
: m_ptr_current(ptr), m_ptr_end(*ptr + size), mode(mode_)
PointerWrap(u8** ptr, size_t size, Mode mode)
: m_ptr_current(ptr), m_ptr_end(*ptr + size), m_mode(mode)
{
}
void SetMode(Mode mode_) { mode = mode_; }
Mode GetMode() const { return mode; }
void SetMeasureMode() { m_mode = Mode::MODE_MEASURE; }
void SetVerifyMode() { m_mode = Mode::MODE_VERIFY; }
bool IsReadMode() const { return m_mode == Mode::MODE_READ; }
bool IsWriteMode() const { return m_mode == Mode::MODE_WRITE; }
bool IsMeasureMode() const { return m_mode == Mode::MODE_MEASURE; }
bool IsVerifyMode() const { return m_mode == Mode::MODE_VERIFY; }
template <typename K, class V>
void Do(std::map<K, V>& x)
{
u32 count = (u32)x.size();
Do(count);
switch (mode)
switch (m_mode)
{
case MODE_READ:
for (x.clear(); count != 0; --count)
@ -95,7 +100,7 @@ public:
u32 count = (u32)x.size();
Do(count);
switch (mode)
switch (m_mode)
{
case MODE_READ:
for (x.clear(); count != 0; --count)
@ -154,7 +159,7 @@ public:
bool present = x.has_value();
Do(present);
switch (mode)
switch (m_mode)
{
case MODE_READ:
if (present)
@ -216,10 +221,10 @@ public:
Do(count);
u8* current = *m_ptr_current;
*m_ptr_current += count;
if (mode != MODE_MEASURE && *m_ptr_current > m_ptr_end)
if (!IsMeasureMode() && *m_ptr_current > m_ptr_end)
{
// trying to read/write past the end of the buffer, prevent this
mode = MODE_MEASURE;
SetMeasureMode();
}
return current;
}
@ -228,7 +233,7 @@ public:
{
bool s = flag.IsSet();
Do(s);
if (mode == MODE_READ)
if (IsReadMode())
flag.Set(s);
}
@ -237,7 +242,7 @@ public:
{
T temp = atomic.load(std::memory_order_relaxed);
Do(temp);
if (mode == MODE_READ)
if (IsReadMode())
atomic.store(temp, std::memory_order_relaxed);
}
@ -267,7 +272,7 @@ public:
Do(stable);
if (mode == MODE_READ)
if (IsReadMode())
x = stable != 0;
}
@ -278,7 +283,7 @@ public:
// much range
ptrdiff_t offset = x - base;
Do(offset);
if (mode == MODE_READ)
if (IsReadMode())
{
x = base + offset;
}
@ -289,13 +294,13 @@ public:
u32 cookie = arbitraryNumber;
Do(cookie);
if (mode == PointerWrap::MODE_READ && cookie != arbitraryNumber)
if (IsReadMode() && cookie != arbitraryNumber)
{
PanicAlertFmtT(
"Error: After \"{0}\", found {1} ({2:#x}) instead of save marker {3} ({4:#x}). Aborting "
"savestate load...",
prevName, cookie, cookie, arbitraryNumber, arbitraryNumber);
mode = PointerWrap::MODE_MEASURE;
SetMeasureMode();
}
}
@ -330,13 +335,13 @@ private:
DOLPHIN_FORCE_INLINE void DoVoid(void* data, u32 size)
{
if (mode != MODE_MEASURE && (*m_ptr_current + size) > m_ptr_end)
if (!IsMeasureMode() && (*m_ptr_current + size) > m_ptr_end)
{
// trying to read/write past the end of the buffer, prevent this
mode = MODE_MEASURE;
SetMeasureMode();
}
switch (mode)
switch (m_mode)
{
case MODE_READ:
memcpy(data, *m_ptr_current, size);