src/LocalUtil.h

   1 // -*- mode: C++; indent-tabs-mode: nil; c-basic-offset: 2; -*-
   2 // -- LocalUtil.h --
   3 // Copyright (c) 2001 - 2003 Jason 'vanRijn' Kasper <vR at movingparts dot net>
   4 //
   5 // Permission is hereby granted, free of charge, to any person obtaining a
   6 // copy of this software and associated documentation files (the "Software"),
   7 // to deal in the Software without restriction, including without limitation
   8 // the rights to use, copy, modify, merge, publish, distribute, sublicense,
   9 // and/or sell copies of the Software, and to permit persons to whom the
  10 // Software is furnished to do so, subject to the following conditions:
  11 //
  12 // The above copyright notice and this permission notice shall be included in
  13 // all copies or substantial portions of the Software.
  14 //
  15 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  16 // IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  17 // FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
  18 // THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  19 // LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
  20 // FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
  21 // DEALINGS IN THE SOFTWARE.
  22
  23 // E_O_H_VR
  24
  25 #ifndef LOCALUTIL_HH
  26 #define LOCALUTIL_HH
  27
  28 #include <string>
  29 #include <fstream>
  30 #include <vector>
  31 #include <iostream>
  32
  33 class LocalUtil
  34 {
  35
  36 public:
  37
  38 // trim_right() family.
  39   static inline std::string trim_right ( const std::string & source ,
  40                                          const std::string & t = " " )
  41     {
  42       std::string str = source;
  43       return str.erase ( str.find_last_not_of ( t ) + 1 ) ;
  44     }
  45
  46 // trim_left() family.
  47   static inline std::string trim_left ( const std::string & source ,
  48                                         const std::string & t = " " )
  49     {
  50       std::string str = source;
  51       return str.erase ( 0 , source.find_first_not_of ( t ) ) ;
  52     }
  53
  54 // trim() family.
  55   static inline std::string trim ( const std::string & source ,
  56                                    const std::string & t = " " )
  57     {
  58       std::string str = source;
  59       return trim_left ( trim_right ( str , t ) , t ) ;
  60     }
  61
  62   static unsigned int splitString(const std::string & _input, const std::string & _delim,
  63                            std::vector<string>& results) {
  64     const std::string::size_type sizeS1 = _input.size(),sizeS2 = _delim.size();
  65     std::string::size_type iPos = 0, newPos = iPos;
  66
  67     do {
  68       newPos = _input.find(_delim, iPos);
  69       if (newPos == iPos) {
  70         iPos += sizeS2;
  71         continue;
  72       }
  73       if (newPos == std::string::npos) {
  74         results.push_back(_input.substr(iPos, sizeS1 - iPos));
  75         iPos = sizeS1; // iPos points to end of string
  76       } else {
  77         results.push_back(_input.substr(iPos, newPos - iPos));
  78         iPos = newPos + sizeS2;
  79       }
  80     } while (iPos < sizeS1);
  81
  82     return results.size();
  83   }
  84
  85 };
  86 #endif