src/FLARM/NameDatabase.hpp

   1 /*
   2 Copyright_License {
   3
   4   XCSoar Glide Computer - http://www.xcsoar.org/
   5   Copyright (C) 2000-2013 The XCSoar Project
   6   A detailed list of copyright holders can be found in the file "AUTHORS".
   7
   8   This program is free software; you can redistribute it and/or
   9   modify it under the terms of the GNU General Public License
  10   as published by the Free Software Foundation; either version 2
  11   of the License, or (at your option) any later version.
  12
  13   This program is distributed in the hope that it will be useful,
  14   but WITHOUT ANY WARRANTY; without even the implied warranty of
  15   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16   GNU General Public License for more details.
  17
  18   You should have received a copy of the GNU General Public License
  19   along with this program; if not, write to the Free Software
  20   Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
  21 }
  22 */
  23
  24 #ifndef XCSOAR_FLARM_NAME_DATABASE_HPP
  25 #define XCSOAR_FLARM_NAME_DATABASE_HPP
  26
  27 #include "Util/StaticString.hpp"
  28 #include "Util/StaticArray.hpp"
  29 #include "FlarmId.hpp"
  30 #include "Compiler.h"
  31
  32 #include <assert.h>
  33
  34 class FlarmNameDatabase {
  35 public:
  36   struct Record {
  37     FlarmId id;
  38     StaticString<21> name;
  39
  40     Record() = default;
  41     Record(FlarmId _id, const TCHAR *_name)
  42       :id(_id), name(_name) {}
  43   };
  44
  45 private:
  46   typedef StaticArray<Record, 200> Array;
  47   typedef Array::iterator iterator;
  48
  49   Array data;
  50
  51 public:
  52   typedef Array::const_iterator const_iterator;
  53
  54   gcc_pure
  55   const_iterator begin() const {
  56     return data.begin();
  57   }
  58
  59   gcc_pure
  60   const_iterator end() const {
  61     return data.end();
  62   }
  63
  64   gcc_pure
  65   const TCHAR *Get(FlarmId id) const;
  66
  67   gcc_pure
  68   FlarmId Get(const TCHAR *name) const;
  69
  70   /**
  71    * Look up all records with the specified name.
  72    *
  73    * @param max the maximum size of the given buffer
  74    * @return the number of items copied to the given buffer
  75    */
  76   unsigned Get(const TCHAR *name, FlarmId *buffer, unsigned max) const;
  77
  78   bool Set(FlarmId id, const TCHAR *name);
  79
  80 protected:
  81   gcc_pure
  82   int Find(FlarmId id) const;
  83
  84   gcc_pure
  85   int Find(const TCHAR *name) const;
  86 };
  87
  88 #endif