/home/ntakagi/work/STLport-5.1.5/stlport/iomanip Go to the documentation of this file. /* * Copyright (c) 1999 * Silicon Graphics Computer Systems, Inc. * * Copyright (c) 1999 * Boris Fomitchev * * This material is provided "as is", with absolutely no warranty expressed * or implied. Any use is at your own risk. * * Permission to use or copy this software for any purpose is hereby granted * without fee, provided the above notices are retained on all copies. * Permission to modify the code and to distribute modified code is granted, * provided the above notices are retained, and a notice that the code was * modified is included with the above copyright notice. * */ #ifndef _STLP_IOMANIP #define _STLP_IOMANIP #ifndef _STLP_OUTERMOST_HEADER_ID # define _STLP_OUTERMOST_HEADER_ID 0x1030 # include <stl/_prolog.h> #endif #ifdef _STLP_PRAGMA_ONCE # pragma once #endif #include <stl/_ioserr.h> #include <stl/_istream.h> // Includes <ostream> and <ios> _STLP_BEGIN_NAMESPACE //---------------------------------------------------------------------- // Machinery for defining manipulators. // Class that calls one of ios_base's single-argument member functions. template <class _Arg> struct _Ios_Manip_1 { typedef _Arg (ios_base::*__f_ptr_type)(_Arg); _Ios_Manip_1(__f_ptr_type __f, const _Arg& __arg) : _M_f(__f), _M_arg(__arg) {} void operator()(ios_base& __ios) const { (__ios.*_M_f)(_M_arg); } __f_ptr_type _M_f; _Arg _M_arg; }; // Class that calls one of ios_base's two-argument member functions. struct _Ios_Setf_Manip { ios_base::fmtflags _M_flag; ios_base::fmtflags _M_mask; bool _M_two_args; _Ios_Setf_Manip(ios_base::fmtflags __f) : _M_flag(__f), _M_mask(0), _M_two_args(false) {} _Ios_Setf_Manip(ios_base::fmtflags __f, ios_base::fmtflags __m) : _M_flag(__f), _M_mask(__m), _M_two_args(true) {} void operator()(ios_base& __ios) const { if (_M_two_args) __ios.setf(_M_flag, _M_mask); else __ios.setf(_M_flag); } }; template <class _CharT, class _Traits, class _Arg> inline basic_istream<_CharT, _Traits>& _STLP_CALL operator>>(basic_istream<_CharT, _Traits>& __istr, const _Ios_Manip_1<_Arg>& __f) { __f(__istr); return __istr; } template <class _CharT, class _Traits, class _Arg> inline basic_ostream<_CharT, _Traits>& _STLP_CALL operator<<(basic_ostream<_CharT, _Traits>& __os, const _Ios_Manip_1<_Arg>& __f) { __f(__os); return __os; } template <class _CharT, class _Traits> inline basic_istream<_CharT, _Traits>& _STLP_CALL operator>>(basic_istream<_CharT, _Traits>& __istr, const _Ios_Setf_Manip& __f) { __f(__istr); return __istr; } template <class _CharT, class _Traits> inline basic_ostream<_CharT, _Traits>& _STLP_CALL operator<<(basic_ostream<_CharT, _Traits>& __os, const _Ios_Setf_Manip& __f) { __f(__os); return __os; } //---------------------------------------------------------------------- // The ios_base manipulators. inline _Ios_Setf_Manip _STLP_CALL resetiosflags(ios_base::fmtflags __mask) { return _Ios_Setf_Manip(0, __mask); } inline _Ios_Setf_Manip _STLP_CALL setiosflags(ios_base::fmtflags __flag) { return _Ios_Setf_Manip(__flag); } inline _Ios_Setf_Manip _STLP_CALL setbase(int __n) { ios_base::fmtflags __base = __n == 8 ? ios_base::oct : __n == 10 ? ios_base::dec : __n == 16 ? ios_base::hex : ios_base::fmtflags(0); return _Ios_Setf_Manip(__base, ios_base::basefield); } inline _Ios_Manip_1<streamsize> _STLP_CALL setprecision(int __n) { _Ios_Manip_1<streamsize>::__f_ptr_type __f = &ios_base::precision; return _Ios_Manip_1<streamsize>(__f, __n); } inline _Ios_Manip_1<streamsize> _STLP_CALL setw(int __n) { _Ios_Manip_1<streamsize>::__f_ptr_type __f = &ios_base::width; return _Ios_Manip_1<streamsize>(__f, __n); } //---------------------------------------------------------------------- // setfill, a manipulator that operates on basic_ios<> instead of ios_base. template <class _CharT> struct _Setfill_Manip { _Setfill_Manip(_CharT __c) : _M_c(__c) {} _CharT _M_c; }; template <class _CharT, class _CharT2, class _Traits> inline basic_ostream<_CharT, _Traits>& _STLP_CALL operator<<(basic_ostream<_CharT, _Traits>& __os, const _Setfill_Manip<_CharT2>& __m) { __os.fill(__m._M_c); return __os; } template <class _CharT, class _CharT2, class _Traits> inline basic_istream<_CharT, _Traits>& _STLP_CALL operator>>(basic_istream<_CharT, _Traits>& __is, const _Setfill_Manip<_CharT2>& __m) { __is.fill(__m._M_c); return __is; } template <class _CharT> inline _Setfill_Manip<_CharT> _STLP_CALL setfill(_CharT __c) { return _Setfill_Manip<_CharT>(__c); } _STLP_END_NAMESPACE #if (_STLP_OUTERMOST_HEADER_ID == 0x1030) # include <stl/_epilog.h> # undef _STLP_OUTERMOST_HEADER_ID #endif #endif /* _STLP_IOMANIP */ // Local Variables: // mode:C++ // End:

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