101 lines
2.8 KiB
C++
101 lines
2.8 KiB
C++
#ifndef HGL_IO_ENDIAN_DATA_INPUT_STREAM_INCLUDE
|
|
#define HGL_IO_ENDIAN_DATA_INPUT_STREAM_INCLUDE
|
|
|
|
#include<hgl/io/DataInputStream.h>
|
|
#include<hgl/endian/Endian.h>
|
|
namespace hgl
|
|
{
|
|
namespace io
|
|
{
|
|
class DirectDataInputStream:public DataInputStream
|
|
{
|
|
public:
|
|
|
|
using DataInputStream::DataInputStream;
|
|
virtual ~DirectDataInputStream()=default;
|
|
|
|
#define STREAM_DIRECT_READ(type,name) virtual bool Read##name(type &value) \
|
|
{ \
|
|
return Read(value); \
|
|
} \
|
|
\
|
|
virtual int64 Read##name(type *data,const int64 count) \
|
|
{ \
|
|
if(count<=0)return(count); \
|
|
if(!data)return(-1); \
|
|
\
|
|
return ReadArrays(data,count); \
|
|
}
|
|
|
|
STREAM_DIRECT_READ(int16, Int16 );
|
|
STREAM_DIRECT_READ(int32, Int32 );
|
|
STREAM_DIRECT_READ(int64, Int64 );
|
|
|
|
STREAM_DIRECT_READ(uint16, Uint16 );
|
|
STREAM_DIRECT_READ(uint32, Uint32 );
|
|
STREAM_DIRECT_READ(uint64, Uint64 );
|
|
|
|
STREAM_DIRECT_READ(u16char,UTF16Char);
|
|
STREAM_DIRECT_READ(float, Float );
|
|
STREAM_DIRECT_READ(double, Double );
|
|
|
|
#undef STREAM_DIRECT_READ
|
|
};//class DirectDataInputStream
|
|
|
|
class SwapDataInputStream:public DataInputStream
|
|
{
|
|
public:
|
|
|
|
using DataInputStream::DataInputStream;
|
|
virtual ~SwapDataInputStream()=default;
|
|
|
|
#define STREAM_SWAP_READ(type,name) virtual bool Read##name(type &value) \
|
|
{\
|
|
type swap_value; \
|
|
\
|
|
if(!Read(swap_value)) \
|
|
return(false); \
|
|
\
|
|
value=EndianSwap(swap_value); \
|
|
return(true); \
|
|
} \
|
|
\
|
|
virtual int64 Read##name(type *data,const int64 count) \
|
|
{ \
|
|
if(count<=0)return(count); \
|
|
if(!data)return(-1); \
|
|
\
|
|
const int64 result=ReadArrays(data,count); \
|
|
\
|
|
if(result<=0)return(result); \
|
|
\
|
|
EndianSwap(data,result); \
|
|
return(result); \
|
|
}
|
|
|
|
STREAM_SWAP_READ(int16, Int16 );
|
|
STREAM_SWAP_READ(int32, Int32 );
|
|
STREAM_SWAP_READ(int64, Int64 );
|
|
|
|
STREAM_SWAP_READ(uint16, Uint16 );
|
|
STREAM_SWAP_READ(uint32, Uint32 );
|
|
STREAM_SWAP_READ(uint64, Uint64 );
|
|
|
|
STREAM_SWAP_READ(u16char, UTF16Char);
|
|
STREAM_SWAP_READ(float, Float );
|
|
STREAM_SWAP_READ(double, Double );
|
|
|
|
#undef STREAM_SWAP_READ
|
|
};//class SwapDataInputStream
|
|
|
|
#if HGL_ENDIAN == HGL_LITTLE_ENDIAN
|
|
typedef DirectDataInputStream LEDataInputStream;
|
|
typedef SwapDataInputStream BEDataInputStream;
|
|
#else
|
|
typedef DirectDataInputStream BEDataInputStream;
|
|
typedef SwapDataInputStream LEDataInputStream;
|
|
#endif//HGL_ENDIAN == HGL_LITTLE_ENDIAN
|
|
}//namespace io
|
|
}//namespace hgl
|
|
#endif//HGL_IO_ENDIAN_DATA_INPUT_STREAM_INCLUDE
|