Drizzled Public API Documentation

tokenize.h
00001 /* - mode: c++; c-basic-offset: 2; indent-tabs-mode: nil; -*-
00002  *  vim:expandtab:shiftwidth=2:tabstop=2:smarttab:
00003  *
00004  *  Copyright (C) 2010 Monty Taylor
00005  *
00006  *  This program is free software; you can redistribute it and/or modify
00007  *  it under the terms of the GNU General Public License as published by
00008  *  the Free Software Foundation; either version 2 of the License, or
00009  *  (at your option) any later version.
00010  *
00011  *  This program is distributed in the hope that it will be useful,
00012  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
00013  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
00014  *  GNU General Public License for more details.
00015  *
00016  *  You should have received a copy of the GNU General Public License
00017  *  along with this program; if not, write to the Free Software
00018  *  Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
00019  */
00020 
00021 #pragma once
00022 
00023 namespace drizzled
00024 {
00025 
00026 template <class ContainerT>
00027 void tokenize(const std::string& str, ContainerT& tokens, const std::string& delimiters= " ", bool trimEmpty= false)
00028 {
00029   std::string::size_type pos;
00030   std::string::size_type lastPos= 0;
00031 
00032   while (true)
00033   {
00034     pos= str.find_first_of(delimiters, lastPos);
00035     if (pos == std::string::npos)
00036     {
00037       pos= str.length();
00038 
00039       if (pos != lastPos || not trimEmpty)
00040         tokens.push_back(typename ContainerT::value_type(str.data()+lastPos,
00041                                                          static_cast<typename ContainerT::value_type::size_type>(pos)-lastPos));
00042 
00043       break;
00044     }
00045     else
00046     {
00047       if (pos != lastPos || not trimEmpty)
00048         tokens.push_back(typename ContainerT::value_type(str.data()+lastPos,
00049                                                          static_cast<typename ContainerT::value_type::size_type>(pos)-lastPos));
00050     }
00051 
00052     lastPos= pos + 1;
00053   }
00054 }
00055 
00056 } /* namespace drizzled */
00057