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