64 lines
2.2 KiB
C++
64 lines
2.2 KiB
C++
/*****************************************************************************
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*
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* This file is part of Mapnik (c++ mapping toolkit)
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*
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* Copyright (C) 2016 Artem Pavlenko
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but 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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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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*
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*****************************************************************************/
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#ifndef MAPNIK_MARKER_CACHE_HPP
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#define MAPNIK_MARKER_CACHE_HPP
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// mapnik
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#include <mapnik/util/singleton.hpp>
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#include <mapnik/config.hpp>
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#include <mapnik/util/noncopyable.hpp>
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#include <unordered_map>
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#include <memory>
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#include <string>
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namespace mapnik
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{
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struct marker;
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class MAPNIK_DECL marker_cache :
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public singleton <marker_cache, CreateUsingNew>,
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private util::noncopyable
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{
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friend class CreateUsingNew<marker_cache>;
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private:
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marker_cache();
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~marker_cache();
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bool insert_marker(std::string const& key, marker && path);
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std::unordered_map<std::string, std::shared_ptr<mapnik::marker const> > marker_cache_;
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bool insert_svg(std::string const& name, std::string const& svg_string);
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std::unordered_map<std::string,std::string> svg_cache_;
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public:
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std::string known_svg_prefix_;
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std::string known_image_prefix_;
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inline bool is_uri(std::string const& path) { return is_svg_uri(path) || is_image_uri(path); }
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bool is_svg_uri(std::string const& path);
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bool is_image_uri(std::string const& path);
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std::shared_ptr<marker const> find(std::string const& key, bool update_cache = false);
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void clear();
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};
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}
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#endif // MAPNIK_MARKER_CACHE_HPP
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