src/libs/conf/reader.h

   1 //
   2 // Copyright (C) 2008 Francesco Salvestrini
   3 //
   4 // This program is free software; you can redistribute it and/or modify
   5 // it under the terms of the GNU General Public License as published by
   6 // the Free Software Foundation; either version 2 of the License, or
   7 // (at your option) any later version.
   8 //
   9 // This program is distributed in the hope that it will be useful,
  10 // but WITHOUT ANY WARRANTY; without even the implied warranty of
  11 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12 // GNU General Public License for more details.
  13 //
  14 // You should have received a copy of the GNU General Public License along
  15 // with this program; if not, write to the Free Software Foundation, Inc.,
  16 // 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  17 //
  18
  19 #ifndef LIBS_CONF_READER_H
  20 #define LIBS_CONF_READER_H
  21
  22 #include "config.h"
  23
  24 #include <string>
  25 #include <fstream>
  26
  27 #include "libs/conf/base.h"
  28
  29 namespace Configuration {
  30         template <typename K, typename V> class Reader : public Base<K, V> {
  31         public:
  32                 Reader(const std::string & filename) {
  33                         stream_.open(filename.c_str());
  34                         if (!stream_.is_open()) {
  35                                 // XXX FIXME: Throw an exception here ...
  36                         }
  37                 };
  38                 ~Reader(void) {
  39                         if (stream_.is_open()) {
  40                                 stream_.close();
  41                         }
  42                 };
  43
  44                 virtual std::ostream & operator >>(std::ostream & os) = 0;
  45
  46         protected:
  47
  48         private:
  49                 std::ifstream stream_;
  50         };
  51 };
  52
  53 #endif // LIBS_CONF_READER_H