tools/boostwrap.cc

   1 ///
   2 /// \file       boostwrap.cc
   3 ///             Wrap Boost serialization into its own lib, so each usage
   4 ///             in the tools doesn't cause a compile speed meltdown.
   5 ///
   6
   7 /*
   8     Copyright (C) 2012, Net Direct Inc. (http://www.netdirect.ca/)
   9
  10     This program is free software; you can redistribute it and/or modify
  11     it under the terms of the GNU General Public License as published by
  12     the Free Software Foundation; either version 2 of the License, or
  13     (at your option) any later version.
  14
  15     This program is distributed in the hope that it will be useful,
  16     but WITHOUT ANY WARRANTY; without even the implied warranty of
  17     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
  18
  19     See the GNU General Public License in the COPYING file at the
  20     root directory of this project for more details.
  21 */
  22
  23 #include "boostwrap.h"
  24
  25 using namespace std;
  26 using namespace Barry;
  27
  28 #ifdef __BARRY_BOOST_MODE__
  29
  30 template <class RecordT>
  31 bool DoLoadBoostFile(const std::string &filename,
  32         std::vector<RecordT> &container,
  33         std::string &dbName,
  34         std::string &errmsg)
  35 {
  36         try {
  37                 std::ifstream ifs(filename.c_str());
  38                 std::getline(ifs, dbName);
  39                 boost::archive::text_iarchive ia(ifs);
  40                 ia >> container;
  41                 return true;
  42         }
  43         catch( boost::archive::archive_exception &ae ) {
  44                 errmsg = "Archive exception in DoLoadBoostFile(): ";
  45                 errmsg += ae.what();
  46                 return false;
  47         }
  48 }
  49
  50 template <class RecordT>
  51 bool DoSaveBoostFile(const std::string &filename,
  52         const std::vector<RecordT> &container,
  53         std::string &errmsg)
  54 {
  55         try {
  56                 std::ofstream ofs(filename.c_str());
  57                 ofs << RecordT::GetDBName() << endl;
  58                 boost::archive::text_oarchive oa(ofs);
  59                 oa << container;
  60                 return true;
  61         }
  62         catch( boost::archive::archive_exception &ae ) {
  63                 errmsg = "Archive exception in DoSaveBoostFile(): ";
  64                 errmsg += ae.what();
  65                 return false;
  66         }
  67 }
  68
  69 #undef HANDLE_PARSER
  70 #define HANDLE_PARSER(tname) \
  71 bool LoadBoostFile(const std::string &filename, \
  72         std::vector<tname> &container, \
  73         std::string &dbName, \
  74         std::string &errmsg) \
  75 { \
  76         return DoLoadBoostFile<tname>(filename, container, dbName, errmsg); \
  77 } \
  78 bool SaveBoostFile(const std::string &filename, \
  79         const std::vector<tname> &container, \
  80         std::string &errmsg) \
  81 { \
  82         return DoSaveBoostFile<tname>(filename, container, errmsg); \
  83 }
  84 ALL_KNOWN_PARSER_TYPES
  85
  86 #endif
  87