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smanip_fill (3)
  • >> smanip_fill (3) ( Solaris man: Библиотечные вызовы )
  • 
                           Standard C++ Library
                 Copyright 1998, Rogue Wave Software, Inc.
    
    
    NAME
         smanip, smanip_fill
    
          - Helper classes used to implement parameterized  manipula-
         tors.
    
    
    
    SYNOPSIS
         #include <iomanip>
         template<class T> class smanip;
         template<class T, class traits> class smanip_fill;
    
    
    
    DESCRIPTION
         The  template  classes  smanip  and  smanip_fill_are  helper
         classes  used  to  implement parameterized manipulators. The
         class smanip_is used as the  return  type  for  manipulators
         that  do  not  need to carry information about the character
         type of the stream they are applied to. This is the case for
         resetiosflags, setiosflags, setbase, setprecision, and setw.
         The class smanip_fill_is used as the return type for manipu-
         lators that do need to carry information about the character
         type of the streamto which they are  applied.  This  is  the
         case for setfill.
    
         smanip_fill is not described in the  C++  standard,  and  is
         included as an extension.
    
    
    
    INTERFACE
         template<class T>
         class smanip {
    
         public:
          smanip(ios_base& (*pf) (ios_base&, T), T manarg);
         };
    
         template<class T, class traits>
         class smanip_fill {
    
         public:
          smanip_fill(basic_ios<T, traits>& (*pf)
                      (basic_ios<T, traits>&, T), T manarg);
         };
    
         // parameterized manipulators
    
         smanip<ios_base::fmtflags>
           resetiosflag(ios_base::fmtflags mask);
         smanip<ios_base::fmtflags>
           setiosflag(ios_base::fmtflags mask);
         smanip<int>                setbase(int base);
         smanip<int>                setprecision(int n);
         smanip<int>                setw(int n);
    
         template <class charT>
         smanip_fill<charT, char_traits<charT> > setfill(charT c);
    
         // overloaded extractors
    
         template <class charT, class traits, class T>
         basic_istream<charT,traits>&
         operator>>(basic_istream<charT,traits>& is,
           const smanip<T>& a);
    
         template <class charT, class traits>
         basic_istream<charT,traits>&
         operator>>(basic_istream<charT,traits>& is,
           const smanip_fill<charT,char_traits<charT> >& a);
    
         // overloaded inserters
    
         template <class charT, class traits, class T>
         basic_ostream<charT,traits>&
         operator<<(basic_ostream<charT,traits>& is,
           const smanip<T>& a);
    
         template <class charT, class traits>
         basic_ostream<charT,traits>&
         operator>>(basic_ostream<charT,traits>& is,
         const smanip_fill<charT,char_traits<charT> >& a);
    
    
    
    CLASS SMANIP CONSTRUCTOR
         smanip(ios_base& (*pf) (ios_base&, T), T manarg);
    
    
            Constructs an object of class smanip that stores a  func-
            tion  pointer  pf that is called with argument manarg, in
            order to perform the manipulator task. The call to pf  is
            performed in the inserter or extractor overloaded on type
            smanip.
    
    CLASS SMANIP_FILL CONSTRUCTOR
         smanip_fill(basic_ios<T,   traits>&   (*pf)    (basic_ios<T,
         traits>&, T), T manarg);
    
    
            Constructs an object of class smanip_fill that  stores  a
            function pointer pf, that is called with argument manarg,
            in order to perform the manipulator task. The call to  pf
            is  performed  in the inserter or extractor overloaded on
            type smanip_fill.
    
    
    
    MANIPULATORS
         smanip<ios_base::fmtflags>
         resetiosflag(ios_base::fmtflags mask);
    
    
            Resets the ios_base::fmtflags designated by mask  in  the
            stream to which it is applied.
    
    
    
         smanip<int>
         setbase(int base);
    
    
            Sets the base for the output or input of  integer  values
            in  the  stream  to which it is applied. The valid values
            for mask are 8, 10, 16.
    
    
    
         template <class charT>
         smanip_fill<charT, char_traits<charT> >
         setfill(charT c);
    
    
            Sets the fill character in the  stream  to  which  it  is
            applied.
    
    
    
         smanip<ios_base::fmtflags>
         setiosflag(ios_base::fmtflags mask);
    
    
            Sets the ios_base::fmtflags designated  by  mask  in  the
            stream to which it is applied.
    
         smanip<int>
         setprecision(int n);
    
    
            Sets the precision  for  the  output  of  floating  point
            values in the stream to which it is applied.
    
    
    
         smanip<int>
         setw(int n);
    
    
            Set the field width in the stream to which it is applied.
    
    
    
    EXTRACTORS
         template <class charT, class traits, class T>
         basic_istream<charT,traits>&
         operator>>(basic_istream<charT,traits>& is, const smanip<T>&
         a);
    
    
            Applies the function stored  in  the  parameter  of  type
            smanip<T>, on the stream is.
    
    
    
         template <class charT, class traits>
         basic_istream<charT,traits>&
         operator>>(basic_istream<charT,traits>& is,
                 const smanip_fill<charT,char_traits<charT> >& a);
    
    
            Applies the function stored  in  the  parameter  of  type
            smanip_fill<charT, char_traits<charT> > on the stream is.
    
    
    
    INSERTERS
         template <class charT, class traits, class T>
         basic_ostream<charT,traits>&
         operator<<(basic_ostream<charT,traits>& os,
                   const smanip<T>& a);
    
    
            Applies the function stored  in  the  parameter  of  type
            smanip<T> on the stream os.
    
    
    
         template <class charT, class traits>
         basic_ostream<charT,traits>&
         operator<<(basic_ostream<charT,traits>& os,
                   const smanip_fill<charT,char_traits<charT> >& a);
    
    
            Applies the function stored  in  the  parameter  of  type
            smanip_fill<charT, char_traits<charT> > on the stream os.
    
    
    
    SEE ALSO
         ios_base(3C++),    basic_ios(3C++),     basic_istream(3C++),
         basic_ostream(3C++)
    
         Working Paper for Draft Proposed International Standard  for
         Information   Systems--Programming   Language  C++,  Section
         27.6.3
    
    
    
    STANDARDS CONFORMANCE
         ANSI X3J16/ISO WG21 Joint C++ Committee
    
    
    
    


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