|| || || || || || || ||

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NativeTypeRead.h

Go to the documentation of this file.

#ifndef Impala_Basis_NativeTypeRead_h
#define Impala_Basis_NativeTypeRead_h

#include "Basis/NativeTypes.h"
#include "Basis/NativeTypeFormats.h"
#include "Basis/Endian.h"
#include <cstdio>

namespace Impala
{


template <class Type>
inline void
NativeTypeRead(FILE* fp, Type* ptr)
{
    NativeTypeRead(fp, ptr, Type());
}

// does the real work
template <class Type, class IntermediateType>
inline void
NativeTypeRead(FILE* fp, Type* ptr, IntermediateType dummy)
{
    String fs = NativeTypeFormat<Type>(0);
    IntermediateType buf;
    fscanf(fp, fs.c_str(), &buf);
    EndianSwap(&buf);
    *ptr = (Type) buf;
}

// template specializations

template <>
inline void
NativeTypeRead<UInt8>(FILE* fp, UInt8* ptr)
{
    NativeTypeRead(fp, ptr, UInt32());
}

template <>
inline void
NativeTypeRead<UInt16>(FILE* fp, UInt16* ptr)
{
    NativeTypeRead(fp, ptr, UInt32());
}

template <>
inline void
NativeTypeRead<Int8>(FILE* fp, Int8* ptr)
{
    NativeTypeRead(fp, ptr, Int32());
}

template <>
inline void
NativeTypeRead<Int16>(FILE* fp, Int16* ptr)
{
    NativeTypeRead(fp, ptr, Int32());
}

} // namespace Impala

#endif

---