57 lines
2.0 KiB
C++
57 lines
2.0 KiB
C++
#ifndef SQL_GIS_WKB_SIZE_VISITOR_H_INCLUDED
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#define SQL_GIS_WKB_SIZE_VISITOR_H_INCLUDED
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// Copyright (c) 2018, Oracle and/or its affiliates. All rights reserved.
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//
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// This program is free software; you can redistribute it and/or modify
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// it under the terms of the GNU General Public License, version 2.0,
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// as published by the Free Software Foundation.
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//
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// This program is also distributed with certain software (including
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// but not limited to OpenSSL) that is licensed under separate terms,
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// as designated in a particular file or component or in included license
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// documentation. The authors of MySQL hereby grant you an additional
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// permission to link the program and your derivative works with the
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// separately licensed software that they have included with MySQL.
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//
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// This program 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
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// GNU General Public License, version 2.0, 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 St, Fifth Floor, Boston, MA 02110-1301 USA.
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#include "sql/gis/geometry_visitor.h"
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#include <cstddef> // std::size_t
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namespace gis {
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/// A visitor that computes the size of a WKB representation of a geometry.
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class Wkb_size_visitor : public Nop_visitor {
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private:
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/// The size of the geometry.
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std::size_t m_size;
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public:
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/// Construct a new WKB visitor.
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Wkb_size_visitor() : m_size(0) {}
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std::size_t size() const { return m_size; }
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using Nop_visitor::visit_enter;
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bool visit_enter(Geometry *g) override;
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bool visit_enter(Linestring *ls) override;
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bool visit_enter(Linearring *lr) override;
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bool visit_enter(Polygon *py) override;
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bool visit_enter(Geometrycollection *gc) override;
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using Nop_visitor::visit;
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bool visit(Point *pt) override;
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};
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} // namespace gis
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#endif // SQL_GIS_WKB_SIZE_VISITOR_H_INCLUDED
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