iomanip.h

来自「pwlib源码库」· C头文件 代码 · 共 115 行

//
// (c) 2000 Yuriy Govitovskiy,
// for Openh323, www.Openh323.org
//
// Windows CE Port
//   
// iomanip.h - definitions/declarations for iostream's parameterized manipulators
//
// [Microsoft]
// [AT&T C++]
//
// [Public]

#ifdef __cplusplus

#ifndef _INC_IOMANIP
#define _INC_IOMANIP

#include <iostream.h>

#define SMANIP(T) __SMANIP_##T
#define SAPP(T) __SAPP_##T
#define IMANIP(T) __IMANIP_##T
#define IAPP(T) __IAPP_##T
#define OMANIP(T) __OMANIP_##T
#define OAPP(T) __OAPP_##T
#define IOMANIP(T) __IOMANIP_##T
#define IOAPP(T) __IOAPP_##T

#define IOMANIPdeclare(T)  \
class SMANIP(T) { \
public: \
        SMANIP(T)(ios& (*f)(ios&,T), T t) : _fp(f), _tp(t) {} \
        friend istream& operator>>(istream& s, const SMANIP(T) & sm) { (*(sm._fp))(s,sm._tp); return s; } \
        friend ostream& operator<<(ostream& s, const SMANIP(T) & sm) { (*(sm._fp))(s,sm._tp); return s; } \
private:        \
        ios& (* _fp)(ios&,T); \
        T _tp; \
};      \
class SAPP(T) { \
public: \
        SAPP(T)( ios& (*f)(ios&,T)) : _fp(f) {} \
        SMANIP(T) operator()(T t) { return SMANIP(T)(_fp,t); }  \
private:        \
        ios& (* _fp)(ios&,T); \
};      \
class IMANIP(T) { \
public: \
        IMANIP(T)(istream& (*f)(istream&,T), T t) : _fp(f), _tp(t) {} \
        friend istream& operator>>(istream& s, IMANIP(T) & sm) { (*sm._fp)(s,sm._tp); return s; } \
private:        \
        istream& (* _fp)(istream&,T); \
        T _tp;  \
};      \
class IAPP(T) { \
public: \
        IAPP(T)( istream& (*f)(istream&,T)) : _fp(f) {} \
        IMANIP(T) operator()(T t) { return IMANIP(T)(_fp,t); }  \
private:        \
        istream& (* _fp)(istream&,T); \
};      \
class OMANIP(T) { \
public: \
        OMANIP(T)(ostream& (*f)(ostream&,T), T t) : _fp(f), _tp(t) {} \
        friend ostream& operator<<(ostream& s, OMANIP(T) & sm) { (*sm._fp)(s,sm._tp); return s; } \
private:        \
        ostream& (* _fp)(ostream&,T); \
        T _tp; \
};      \
class OAPP(T) { \
public: \
        OAPP(T)(ostream& (*f)(ostream&,T)) : _fp(f) {}  \
        OMANIP(T) operator()(T t) { return OMANIP(T)(_fp,t); } \
private:        \
        ostream& (* _fp)(ostream&,T); \
};      \
\
class IOMANIP(T) { \
public: \
        IOMANIP(T)(iostream& (*f)(iostream&,T), T t) : _fp(f), _tp(t) {} \
        friend istream& operator>>(iostream& s, IOMANIP(T) & sm) { (*sm._fp)(s,sm._tp); return s; } \
        friend ostream& operator<<(iostream& s, IOMANIP(T) & sm) { (*sm._fp)(s,sm._tp); return s; } \
private:        \
        iostream& (* _fp)(iostream&,T); \
        T _tp; \
};      \
class IOAPP(T) {        \
public: \
        IOAPP(T)( iostream& (*f)(iostream&,T)) : _fp(f) {}      \
        IOMANIP(T) operator()(T t) { return IOMANIP(T)(_fp,t); }        \
private:        \
        iostream& (* _fp)(iostream&,T); \
}; \


IOMANIPdeclare(int)

IOMANIPdeclare(long)

inline ios& __resetiosflags(ios& s, long _flg) { s.setf(0,_flg); return s; }
inline ios& __setfill(ios& s, int _fc) { s.fill((char)_fc); return s; }
inline ios& __setiosflags(ios& s, long _flg) { s.setf(_flg); return s; }
inline ios& __setprecision(ios& s, int _pre) { s.precision(_pre); return s; }
inline ios& __setw(ios& s, int _wid) { s.width(_wid); return s; }

inline SMANIP(long)     resetiosflags(long _l) { return SMANIP(long)(__resetiosflags, _l); }
inline SMANIP(int)      setfill(int _m) {return SMANIP(int)(__setfill, _m); }
inline SMANIP(long)     setiosflags(long _l) {return SMANIP(long)(__setiosflags, _l); }
inline SMANIP(int)      setprecision(int _p) {return SMANIP(int)(__setprecision, _p); }
inline SMANIP(int)      setw(int _w) { return SMANIP(int)(__setw, _w); }

#endif  /* _INC_IOMANIP */

#endif  /* __cplusplus */