dynamic/gd-cpp/gd_io_stream.h

#ifndef streamIOCtx
#define streamIOCtx

#include "gd.h"

#ifdef __cplusplus

#include <iostream>

class BGD_EXPORT_DATA_IMPL istreamIOCtx : public gdIOCtx
        {
public:
        typedef std::istream    stream_type;
        istreamIOCtx(stream_type & __stream)    { init( & __stream); }

        static int      Getbuf (struct gdIOCtx * ctx, void * buf, int size);
        static int      Putbuf (struct gdIOCtx * , const void * , int );
        static void     Putchar (struct gdIOCtx * , int );
        static int      Getchar (struct gdIOCtx * ctx);
        static int      Seek (struct gdIOCtx * ctx, const int pos);
        static long     Tell (struct gdIOCtx * ctx);
        static void     FreeCtx (struct gdIOCtx * ctx);

        void init(stream_type * __stream)
                {
                getC = Getchar;
                putC = Putchar;
                getBuf = Getbuf;
                putBuf = Putbuf;
                tell = Tell;
                seek = Seek;
                gd_free = FreeCtx;
                _M_stream = __stream;
                }
private:
        stream_type *   _M_stream;
        };
inline gdIOCtx * gdNewIstreamCtx (std::istream * __stream)
        {
        return new istreamIOCtx(* __stream);
        }

class BGD_EXPORT_DATA_IMPL ostreamIOCtx : public gdIOCtx
        {
public:
        typedef std::ostream    stream_type;
        ostreamIOCtx(stream_type & __stream)    { init( & __stream); }

        static int      Getbuf (struct gdIOCtx * , void * , int );
        static int      Putbuf (struct gdIOCtx * ctx, const void * buf, int size);
        static int      Getchar (struct gdIOCtx * );
        static void     Putchar (struct gdIOCtx * ctx, int a);
        static int      Seek (struct gdIOCtx * ctx, const int pos);
        static long     Tell (struct gdIOCtx * ctx);
        static void     FreeCtx (struct gdIOCtx * ctx);

        void init(stream_type * __stream)
                {
                getC = Getchar;
                putC = Putchar;
                getBuf = Getbuf;
                putBuf = Putbuf;
                tell = Tell;
                seek = Seek;
                gd_free = FreeCtx;
                _M_stream = __stream;
                }
private:
        stream_type *   _M_stream;
        };
inline gdIOCtx * gdNewOstreamCtx (std::ostream * __stream)
        {
        return new ostreamIOCtx(* __stream);
        }

#endif // __cplusplus

#endif // streamIOCtx
1	#ifndef streamIOCtx
2	#define streamIOCtx
3
4	#include "gd.h"
5
6	#ifdef __cplusplus
7
8	#include <iostream>
9
10	class BGD_EXPORT_DATA_IMPL istreamIOCtx : public gdIOCtx
11	{
12	public:
13	typedef std::istream stream_type;
14	istreamIOCtx(stream_type & __stream) { init( & __stream); }
15
16	static int Getbuf (struct gdIOCtx * ctx, void * buf, int size);
17	static int Putbuf (struct gdIOCtx * , const void * , int );
18	static void Putchar (struct gdIOCtx * , int );
19	static int Getchar (struct gdIOCtx * ctx);
20	static int Seek (struct gdIOCtx * ctx, const int pos);
21	static long Tell (struct gdIOCtx * ctx);
22	static void FreeCtx (struct gdIOCtx * ctx);
23
24	void init(stream_type * __stream)
25	{
26	getC = Getchar;
27	putC = Putchar;
28	getBuf = Getbuf;
29	putBuf = Putbuf;
30	tell = Tell;
31	seek = Seek;
32	gd_free = FreeCtx;
33	_M_stream = __stream;
34	}
35	private:
36	stream_type * _M_stream;
37	};
38	inline gdIOCtx * gdNewIstreamCtx (std::istream * __stream)
39	{
40	return new istreamIOCtx(* __stream);
41	}
42
43	class BGD_EXPORT_DATA_IMPL ostreamIOCtx : public gdIOCtx
44	{
45	public:
46	typedef std::ostream stream_type;
47	ostreamIOCtx(stream_type & __stream) { init( & __stream); }
48
49	static int Getbuf (struct gdIOCtx * , void * , int );
50	static int Putbuf (struct gdIOCtx * ctx, const void * buf, int size);
51	static int Getchar (struct gdIOCtx * );
52	static void Putchar (struct gdIOCtx * ctx, int a);
53	static int Seek (struct gdIOCtx * ctx, const int pos);
54	static long Tell (struct gdIOCtx * ctx);
55	static void FreeCtx (struct gdIOCtx * ctx);
56
57	void init(stream_type * __stream)
58	{
59	getC = Getchar;
60	putC = Putchar;
61	getBuf = Getbuf;
62	putBuf = Putbuf;
63	tell = Tell;
64	seek = Seek;
65	gd_free = FreeCtx;
66	_M_stream = __stream;
67	}
68	private:
69	stream_type * _M_stream;
70	};
71	inline gdIOCtx * gdNewOstreamCtx (std::ostream * __stream)
72	{
73	return new ostreamIOCtx(* __stream);
74	}
75
76	#endif // __cplusplus
77
78	#endif // streamIOCtx