ryzom/server/src/pd_lib/pd_string_mapper.h

   1 // Ryzom - MMORPG Framework <http://dev.ryzom.com/projects/ryzom/>
   2 // Copyright (C) 2010  Winch Gate Property Limited
   3 //
   4 // This source file has been modified by the following contributors:
   5 // Copyright (C) 2020  Jan BOON (Kaetemi) <jan.boon@kaetemi.be>
   6 //
   7 // This program is free software: you can redistribute it and/or modify
   8 // it under the terms of the GNU Affero General Public License as
   9 // published by the Free Software Foundation, either version 3 of the
  10 // License, or (at your option) any later version.
  11 //
  12 // This program is distributed in the hope that it will be useful,
  13 // but WITHOUT ANY WARRANTY; without even the implied warranty of
  14 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15 // GNU Affero General Public License for more details.
  16 //
  17 // You should have received a copy of the GNU Affero General Public License
  18 // along with this program.  If not, see <http://www.gnu.org/licenses/>.
  19
  20 #ifndef NL_PD_STRING_MAPPER_H
  21 #define NL_PD_STRING_MAPPER_H
  22
  23 #include <nel/misc/types_nl.h>
  24 #include <nel/misc/stream.h>
  25 #include <map>
  26 #include <string>
  27 #include <vector>
  28
  29 /**
  30  * A Class that maps a string to an uint32
  31  * \author Benjamin Legros
  32  * \author Nevrax France
  33  * \date 2003
  34  */
  35 class CPDStringMapper
  36 {
  37 public:
  38
  39         /// Unknown String Id
  40         enum
  41         {
  42                 UnknownString = 0xfffffff
  43         };
  44
  45         /// Constructor
  46         CPDStringMapper();
  47
  48
  49         /// Get String from Id
  50         const std::string&      getString(uint32 id) const;
  51
  52         /// Get Id from String
  53         uint32                          getId(const std::string& str) const;
  54
  55         /// Set Mapping
  56         void                            setMapping(const std::string& str, uint32 id);
  57
  58
  59         /// Serial Mapper
  60         void                            serial(NLMISC::IStream& f);
  61
  62         /// Rebuild Id Mapping
  63         void                            buildIdMap();
  64
  65
  66 private:
  67
  68         /// Mapping of string to id
  69         typedef std::map<std::string, uint32>                   TStringMap;
  70
  71         /// Mapping of id to string
  72         typedef std::map<uint32, TStringMap::iterator>  TIdMap;
  73
  74         /// String Mapping
  75         TStringMap                                                                              _StringMap;
  76
  77         /// Id Mapping
  78         TIdMap                                                                                  _IdMap;
  79
  80         /// Unknown String
  81         static std::string                                                              _UnknownString;
  82
  83 };
  84
  85
  86 /*
  87  * -- Inlines
  88  */
  89
  90
  91 /*
  92  * Get String from Id
  93  */
  94 inline const std::string&       CPDStringMapper::getString(uint32 id) const
  95 {
  96         TIdMap::const_iterator  it = _IdMap.find(id);
  97
  98         if (it == _IdMap.end())
  99         {
 100                 return _UnknownString;
 101         }
 102
 103         TStringMap::iterator    its = (*it).second;
 104         return (*its).first;
 105 }
 106
 107 /*
 108  * Get Id from String
 109  */
 110 inline uint32                           CPDStringMapper::getId(const std::string& str) const
 111 {
 112         std::string                                     lowMapStr = NLMISC::toLowerAscii(str);
 113         TStringMap::const_iterator      it = _StringMap.find(lowMapStr);
 114
 115         return (it == _StringMap.end()) ? UnknownString : (*it).second;
 116 }
 117
 118
 119 #endif // NL_PD_STRING_MAPPER_H
 120
 121 /* End of pd_string_mapper.h */