src/l_stlextra.h

   1 /*$Id: l_stlextra.h,v 1.1 2009-10-23 12:01:45 felix Exp $ -*- C++ -*-
   2  * Copyright (C) 2001 Albert Davis
   3  * Author: Albert Davis <aldavis@gnu.org>
   4  *
   5  * This file is part of "Gnucap", the Gnu Circuit Analysis Package
   6  *
   7  * This program is free software; you can redistribute it and/or modify
   8  * it under the terms of the GNU General Public License as published by
   9  * the Free Software Foundation; either version 3, or (at your option)
  10  * any later version.
  11  *
  12  * This program is distributed in the hope that it will be useful,
  13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15  * GNU General Public License for more details.
  16  *
  17  * You should have received a copy of the GNU General Public License
  18  * along with this program; if not, write to the Free Software
  19  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
  20  * 02110-1301, USA.
  21  *------------------------------------------------------------------
  22  * extra functions in the STL style
  23  * Things that ought to be there, but are not
  24  */
  25 //testing=script,complete 2006.07.13
  26 #ifndef L_STLEXTRA_H
  27 #define L_STLEXTRA_H
  28 #include "md.h"
  29 /*--------------------------------------------------------------------------*/
  30 namespace notstd {
  31 /*--------------------------------------------------------------------------*/
  32 template <class InputIter, class Size, class OutputIter>
  33 void copy_n(InputIter first, Size count, OutputIter result)
  34 {
  35   for ( ; count > 0; --count) {
  36     *result++ = *first++;
  37   }
  38 }
  39 /*--------------------------------------------------------------------------*/
  40 /* find_ptr: like the stl find, except that the list contains pointers
  41    Dereference the pointer in the list, then compare */
  42 template <class InputIterator, class T>
  43 InputIterator find_ptr(InputIterator first,InputIterator last,const T& value)
  44 {
  45   while (first != last && **first != value) {
  46     ++first;
  47   }
  48   return first;
  49 }
  50 /*--------------------------------------------------------------------------*/
  51 inline void to_lower(std::string* s)
  52 {
  53   assert(s);
  54   for (std::string::iterator i = s->begin(); i != s->end(); ++i) {
  55     *i = static_cast<char>(tolower(*i));
  56   }
  57 }
  58 /*--------------------------------------------------------------------------*/
  59 inline std::string to_lower(const std::string s)
  60 {
  61   std::string c(s);
  62   to_lower(&c);
  63   return c;
  64 }
  65 /*--------------------------------------------------------------------------*/
  66 inline void to_upper(std::string* s)
  67 {
  68   assert(s);
  69   for (std::string::iterator i = s->begin(); i != s->end(); ++i) {
  70     *i = static_cast<char>(toupper(*i));
  71   }
  72 }
  73 /*--------------------------------------------------------------------------*/
  74 }
  75 /*--------------------------------------------------------------------------*/
  76 /*--------------------------------------------------------------------------*/
  77 #endif
  78 // vim:ts=8:sw=2:noet: