dolphin/Source/Core/VideoCommon/DataReader.h

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// Copyright 2013 Dolphin Emulator Project
// Licensed under GPLv2
// Refer to the license.txt file included.
#pragma once
#include "Common/Common.h"
2014-11-24 21:22:42 +00:00
class DataReader
{
public:
__forceinline DataReader()
: buffer(nullptr), end(nullptr) {}
__forceinline DataReader(u8* src, u8* _end)
: buffer(src), end(_end) {}
__forceinline void WritePointer(u8** src)
{
*src = buffer;
}
__forceinline u8* operator=(u8* src)
{
buffer = src;
return src;
}
__forceinline size_t size()
{
return end - buffer;
}
template <typename T, bool swapped = true> __forceinline T Peek(int offset = 0)
{
T data = *(T*)(buffer + offset);
if (swapped)
data = Common::FromBigEndian(data);
return data;
}
template <typename T, bool swapped = true> __forceinline T Read()
{
const T result = Peek<T, swapped>();
buffer += sizeof(T);
return result;
}
template <typename T, bool swapped = false> __forceinline void Write(T data)
{
if (swapped)
data = Common::FromBigEndian(data);
*(T*)(buffer) = data;
buffer += sizeof(T);
}
template <typename T = u8> __forceinline void Skip(size_t data = 1)
{
buffer += sizeof(T) * data;
}
private:
u8* __restrict buffer;
u8* end;
};