157 lines
4.5 KiB
C++
157 lines
4.5 KiB
C++
// navlist.hxx -- navaids management class
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//
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// Written by Curtis Olson, started April 2000.
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//
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// Copyright (C) 2000 Curtis L. Olson - http://www.flightgear.org/~curt
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//
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// This program is free software; you can redistribute it and/or
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// modify it under the terms of the GNU General Public License as
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// published by the Free Software Foundation; either version 2 of the
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// License, or (at your option) any later version.
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//
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// This program is distributed in the hope that it will be useful, but
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// WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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// General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with this program; if not, write to the Free Software
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// Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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//
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// $Id$
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#ifndef _FG_NAVLIST_HXX
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#define _FG_NAVLIST_HXX
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#include <simgear/compiler.h>
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#include <simgear/structure/SGSharedPtr.hxx>
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#include <map>
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#include <vector>
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#include <string>
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#include "navrecord.hxx"
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// forward decls
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class SGGeod;
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// FGNavList ------------------------------------------------------------------
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typedef SGSharedPtr<FGNavRecord> nav_rec_ptr;
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typedef std::vector < nav_rec_ptr > nav_list_type;
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class FGNavList
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{
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public:
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class TypeFilter : public FGPositioned::Filter
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{
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public:
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TypeFilter( const FGPositioned::Type type = FGPositioned::INVALID );
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TypeFilter( const FGPositioned::Type minType,
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const FGPositioned::Type maxType );
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/**
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* Construct from string containing type
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*
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* @param type One of "fix"|"vor"|"ndb"|"ils"|"dme"|"tacan"|"any"
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*/
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bool fromTypeString(const std::string& type);
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virtual FGPositioned::Type minType() const { return _mintype; }
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virtual FGPositioned::Type maxType() const { return _maxtype; }
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protected:
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FGPositioned::Type _mintype;
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FGPositioned::Type _maxtype;
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};
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/**
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filter matching VOR & ILS/LOC transmitters
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*/
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static TypeFilter* navFilter();
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/**
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* filter matching ILS/LOC transmitter
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*/
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static TypeFilter* locFilter();
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static TypeFilter* ndbFilter();
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/**
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* Filter returning TACANs and VORTACs
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*/
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static TypeFilter* tacanFilter();
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static TypeFilter* mobileTacanFilter();
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/** Query the database for the specified station. It is assumed
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* that there will be multiple stations with matching frequencies
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* so a position must be specified.
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*/
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static FGNavRecordRef findByFreq( double freq, const SGGeod& position,
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TypeFilter* filter = nullptr);
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/**
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* Overloaded version above - no positioned supplied so can be used with
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* mobile TACANs which have no valid position. The first match is
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* returned only.
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*/
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static FGNavRecordRef findByFreq( double freq, TypeFilter* filter = NULL);
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static nav_list_type findAllByFreq( double freq, const SGGeod& position,
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TypeFilter* filter = NULL);
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// Given an Ident and optional frequency and type ,
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// return a list of matching stations.
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static nav_list_type findByIdentAndFreq( const std::string& ident,
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const double freq,
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TypeFilter* filter = NULL);
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// Given an Ident and optional frequency and type ,
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// return a list of matching stations sorted by distance to the given position
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static nav_list_type findByIdentAndFreq( const SGGeod & position,
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const std::string& ident, const double freq = 0.0,
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TypeFilter* filter = NULL);
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};
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// FGTACANList ----------------------------------------------------------------
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typedef SGSharedPtr<FGTACANRecord> tacan_rec_ptr;
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typedef std::vector < tacan_rec_ptr > tacan_list_type;
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typedef std::map < int, tacan_list_type > tacan_map_type;
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typedef std::map < std::string, tacan_list_type > tacan_ident_map_type;
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class FGTACANList {
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tacan_list_type channellist;
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tacan_map_type channels;
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tacan_ident_map_type ident_channels;
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public:
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FGTACANList();
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~FGTACANList();
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// initialize the TACAN list
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bool init();
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// add an entry
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bool add( FGTACANRecord *r );
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// Given a TACAN Channel, return the appropriate frequency.
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FGTACANRecord *findByChannel(const std::string& channel);
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// Given a TACAN Channel, return the appropriate frequency.
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FGTACANRecord *findByFrequency(int frequency_kHz);
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};
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#endif // _FG_NAVLIST_HXX
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