headers/cpp/std/slice.h

   1 // The template and inlines for the -*- C++ -*- slice class.
   2
   3 // Copyright (C) 1997-1999 Cygnus Solutions
   4 //
   5 // This file is part of the GNU ISO C++ Library.  This library is free
   6 // software; you can redistribute it and/or modify it under the
   7 // terms of the GNU General Public License as published by the
   8 // Free Software Foundation; either version 2, or (at your option)
   9 // any later version.
  10
  11 // This library is distributed in the hope that it will be useful,
  12 // but WITHOUT ANY WARRANTY; without even the implied warranty of
  13 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14 // GNU General Public License for more details.
  15
  16 // You should have received a copy of the GNU General Public License along
  17 // with this library; see the file COPYING.  If not, write to the Free
  18 // Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307,
  19 // USA.
  20
  21 // As a special exception, you may use this file as part of a free software
  22 // library without restriction.  Specifically, if other files instantiate
  23 // templates or use macros or inline functions from this file, or you compile
  24 // this file and link it with other files to produce an executable, this
  25 // file does not by itself cause the resulting executable to be covered by
  26 // the GNU General Public License.  This exception does not however
  27 // invalidate any other reasons why the executable file might be covered by
  28 // the GNU General Public License.
  29
  30 // Written by Gabriel Dos Reis <Gabriel.Dos-Reis@DPTMaths.ENS-Cachan.Fr>
  31
  32 #ifndef __SLICE__
  33 #define __SLICE__
  34
  35 extern "C++" {
  36
  37 class slice
  38 {
  39 public:
  40     slice ();
  41     slice (size_t, size_t, size_t);
  42
  43     size_t start () const;
  44     size_t size () const;
  45     size_t stride () const;
  46
  47 private:
  48     size_t _M_off;                      // offset
  49     size_t _M_sz;                       // size
  50     size_t _M_st;                       // stride unit
  51 };
  52
  53 inline slice::slice () {}
  54
  55 inline slice::slice (size_t __o, size_t __d, size_t __s)
  56         : _M_off (__o), _M_sz (__d), _M_st (__s) {}
  57
  58 inline size_t
  59 slice::start () const
  60   { return _M_off; }
  61
  62 inline size_t
  63 slice::size () const
  64   { return _M_sz; }
  65
  66 inline size_t
  67 slice::stride () const
  68   { return _M_st; }
  69
  70 } // extern "C++"
  71
  72 #endif // __SLICE__
  73
  74 // Local Variables:
  75 // mode:c++
  76 // End: