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68 lines
1.8 KiB
C++
68 lines
1.8 KiB
C++
/*
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This Source Code Form is subject to the
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terms of the Mozilla Public License, v.
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2.0. If a copy of the MPL was not
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distributed with this file, You can
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obtain one at
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http://mozilla.org/MPL/2.0/.
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*/
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#pragma once
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#include <unordered_map>
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#include <string>
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template <typename Type_>
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class TNames {
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public:
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// types:
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// constructors:
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TNames() = default;
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// destructor:
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// methods:
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// dodanie obiektu z wskaźnikiem. updates data field if the object already exists. returns true for insertion, false for update
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bool
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Add( int const Type, std::string const &Name, Type_ Data ) {
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auto lookup = find_map( Type ).emplace( Name, Data );
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if( lookup.second == false ) {
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// record already exists, update it
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lookup.first->second = Data;
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return false;
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}
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else {
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// new record inserted, bail out
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return true;
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}
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}
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// returns pointer associated with provided label, or nullptr if there's no match
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Type_
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Find( int const Type, std::string const &Name ) {
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auto const &map = find_map( Type );
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auto const lookup = map.find( Name );
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if( lookup != map.end() ) { return lookup->second; }
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else { return nullptr; }
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}
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private:
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// types:
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typedef std::unordered_map<std::string, Type_> type_map;
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typedef std::unordered_map<int, type_map> typemap_map;
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// methods:
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// returns database stored with specified type key; creates new database if needed.
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type_map &
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find_map( int const Type ) {
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return m_maps.emplace( Type, type_map() ).first->second;
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}
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// members:
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typemap_map m_maps; // list of object maps of types specified so far
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};
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