windows-nt/Source/XPSP1/NT/public/sdk/inc/crt/iomanip.h
2020-09-26 16:20:57 +08:00

154 lines
4.5 KiB
C++

/***
*iomanip.h - definitions/declarations for iostream's parameterized manipulators
*
* Copyright (c) 1991-2000, Microsoft Corporation. All rights reserved.
*
*Purpose:
* This file defines the classes, values, macros, and functions
* used by the iostream classes' paramterized manipulators.
* [AT&T C++]
*
* [Public]
*
****/
#if _MSC_VER > 1000
#pragma once
#endif
#ifdef __cplusplus
#ifndef _INC_IOMANIP
#define _INC_IOMANIP
#if !defined(_WIN32)
#error ERROR: Only Win32 target supported!
#endif
#ifdef _MSC_VER
// Currently, all MS C compilers for Win32 platforms default to 8 byte
// alignment.
#pragma pack(push,8)
#include <useoldio.h>
#endif // _MSC_VER
#include <iostream.h>
#ifdef _MSC_VER
#pragma warning(disable:4514) // disable unwanted /W4 warning
// #pragma warning(default:4514) // use this to reenable, if necessary
#endif // _MSC_VER
// #define __MKMANIP(X) \#define X##(T) __##X##_ \#\# T
// __MKMANIP(SMANIP);
// __MKMANIP(SAPP);
// __MKMANIP(IMANIP);
// __MKMANIP(IAPP);
// __MKMANIP(OMANIP);
// __MKMANIP(OAPP);
// __MKMANIP(IOMANIP);
// __MKMANIP(IOAPP);
#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); }
// Restore previous packing
#ifdef _MSC_VER
#pragma pack(pop)
#endif // _MSC_VER
#endif // _INC_IOMANIP
#endif /* __cplusplus */