fbreader/src/migration/Migration.h

   1 /*
   2  * Copyright (C) 2008 Geometer Plus <contact@geometerplus.com>
   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
  15  * along with this program; if not, write to the Free Software
  16  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
  17  * 02110-1301, USA.
  18  */
  19
  20 #ifndef __MIGRATION_H__
  21 #define __MIGRATION_H__
  22
  23 #include <string>
  24
  25 #include <ZLOptions.h>
  26
  27 class Migration {
  28
  29 protected:
  30         static void moveOption(
  31                 const ZLCategoryKey &oldCategory, const std::string &oldGroup, const std::string &oldName,
  32                 const ZLCategoryKey &newCategory, const std::string &newGroup, const std::string &newName,
  33                 const std::string &defaultValue
  34         );
  35
  36 public:
  37         Migration(const std::string &version);
  38         virtual ~Migration();
  39         void doMigration();
  40
  41 protected:
  42         virtual void doMigrationInternal() = 0;
  43
  44 private:
  45         const std::string myVersion;
  46 };
  47
  48 class Migration_0_8_11 : public Migration {
  49
  50 public:
  51         Migration_0_8_11();
  52
  53 protected:
  54         void doMigrationInternal();
  55 };
  56
  57 class Migration_0_8_13 : public Migration {
  58
  59 public:
  60         Migration_0_8_13();
  61
  62 protected:
  63         void doMigrationInternal();
  64 };
  65
  66 #endif /* __MIGRATION_H__ */