iomanip.h

利用POS机具硬件改为条纹码扫描器的编程代码

/*      iomanip.h -- streams I/O manipulator declarations

    Copyright (c) 1990,1991 by Borland International    
        All rights reserved

*/

#ifndef __cplusplus
#error Must use C++ for the io stream manipulators.
#endif

#ifndef __IOMANIP_H
#define __IOMANIP_H

#if !defined( __IOSTREAM_H )
#include <iostream.h>
#endif

#if !defined( __GENERIC_H )
#include <generic.h>
#endif

#if __STDC__
#define _Cdecl
#else
#define _Cdecl  cdecl
#endif

#define SMANIP(typ)     _Paste2(smanip_, typ)
#define SAPP(typ)       _Paste2(sapply_, typ)
#define IMANIP(typ)     _Paste2(imanip_, typ)
#define OMANIP(typ)     _Paste2(omanip_, typ)
#define IOMANIP(typ)    _Paste2(iomanip_, typ)
#define IAPP(typ)       _Paste2(iapply_, typ)
#define OAPP(typ)       _Paste2(oapply_, typ)
#define IOAPP(typ)      _Paste2(ioapply_, typ)

#define IOMANIPdeclare(typ)                                             \
class SMANIP(typ) {                                                     \
        ios& _Cdecl (*_fn)(ios&, typ);                                          \
        typ _ag;                                                        \
public:                                                                 \
        _Cdecl SMANIP(typ)(ios& (*_f)(ios&, typ), typ _a) : _fn(_f), _ag(_a) { }\
        friend istream& _Cdecl operator>>(istream& _s, SMANIP(typ)& _f) {       \
                        (*_f._fn)(_s, _f._ag); return _s; }             \
        friend ostream& _Cdecl operator<<(ostream& _s, SMANIP(typ)& _f) {       \
                        (*_f._fn)(_s, _f._ag); return _s; }             \
        };                                                              \
class SAPP(typ) {                                                       \
        ios& _Cdecl (*_fn)(ios&, typ);                                          \
public:                                                                 \
        SAPP(typ)(ios& _Cdecl (*_f)(ios&, typ)) : _fn(_f) { }                   \
        SMANIP(typ) _Cdecl operator()(typ _z) { return SMANIP(typ)(_fn, _z); }  \
        };                                                              \
class IMANIP(typ) {                                                     \
        istream& _Cdecl (*_fn)(istream&, typ);                                  \
        typ _ag;                                                        \
public:                                                                 \
        _Cdecl IMANIP(typ)(istream& (*_f)(istream&, typ), typ _z ) :            \
                _fn(_f), _ag(_z) { }                                    \
        friend istream& _Cdecl operator>>(istream& _s, IMANIP(typ)& _f) {       \
                return(*_f._fn)(_s, _f._ag); }                          \
        };                                                              \
class IAPP(typ) {                                                       \
        istream& _Cdecl (*_fn)(istream&, typ);                                  \
public:                                                                 \
        _Cdecl IAPP(typ)(istream& (*_f)(istream&, typ)) : _fn(_f) { }           \
        IMANIP(typ) _Cdecl operator()(typ _z) {                         \
                return IMANIP(typ)(_fn, _z); }                          \
        };                                                              \
class OMANIP(typ) {                                                     \
        ostream& _Cdecl (*_fn)(ostream&, typ);                                  \
        typ _ag;                                                        \
public:                                                                 \
        _Cdecl OMANIP(typ)(ostream& (*_f)(ostream&, typ), typ _z ) :            \
                _fn(_f), _ag(_z) { }                                    \
        friend ostream& _Cdecl operator<<(ostream& _s, OMANIP(typ)& _f) {       \
                return(*_f._fn)(_s, _f._ag); }                          \
        };                                                              \
class OAPP(typ) {                                                       \
        ostream& _Cdecl (*_fn)(ostream&, typ);                                  \
public:                                                                 \
        _Cdecl OAPP(typ)(ostream& (*_f)(ostream&, typ)) : _fn(_f) { }           \
        OMANIP(typ) _Cdecl operator()(typ _z) {                         \
                return OMANIP(typ)(_fn, _z); }                          \
        };                                                              \
class IOMANIP(typ) {                                                    \
        iostream& _Cdecl (*_fn)(iostream&, typ);                                \
        typ _ag;                                                        \
public:                                                                 \
        _Cdecl IOMANIP(typ)(iostream& (*_f)(iostream&, typ), typ _z ) : \
                _fn(_f), _ag(_z) { }                                    \
        friend istream& _Cdecl operator>>(iostream& _s, IOMANIP(typ)& _f) {     \
                return(*_f._fn)(_s, _f._ag); }                          \
        friend ostream& _Cdecl operator<<(iostream& _s, IOMANIP(typ)& _f) {     \
                return(*_f._fn)(_s, _f._ag); }                          \
        };                                                              \
class IOAPP(typ) {                                                      \
        iostream& _Cdecl (*_fn)(iostream&, typ);                                \
public:                                                                 \
        _Cdecl IOAPP(typ)(iostream& (*_f)(iostream&, typ)) : _fn(_f) { }        \
        IOMANIP(typ) _Cdecl operator()(typ _z) { return IOMANIP(typ)(_fn, _z); }\
        }



IOMANIPdeclare(int);
IOMANIPdeclare(long);

// set the conversion base to 0, 8, 10, or 16
smanip_int      _Cdecl setbase(int _b);

// clear the flags bitvector according to the bits set in b
smanip_long     _Cdecl resetiosflags(long _b);

// set the flags bitvector according to the bits set in b
smanip_long     _Cdecl setiosflags(long _b);

// set fill character for padding a field
smanip_int      _Cdecl setfill(int _f);

// set the floating-point precision to n digits
smanip_int      _Cdecl setprecision(int _n);

// set the field width to n
smanip_int      _Cdecl setw(int _n);

#endif