GEOS 3.9.1
GeometryListHolder.h
1/**********************************************************************
2 *
3 * GEOS - Geometry Engine Open Source
4 * http://geos.osgeo.org
5 *
6 * Copyright (C) 2011 Sandro Santilli <strk@kbt.io>
7 * Copyright (C) 2006 Refractions Research Inc.
8 *
9 * This is free software; you can redistribute and/or modify it under
10 * the terms of the GNU Lesser General Public Licence as published
11 * by the Free Software Foundation.
12 * See the COPYING file for more information.
13 *
14 **********************************************************************/
15
16#ifndef GEOS_OP_UNION_GEOMETRYLISTHOLDER_H
17#define GEOS_OP_UNION_GEOMETRYLISTHOLDER_H
18
19// Forward declarations
20namespace geos {
21namespace geom {
22class Geometry;
23}
24}
25
26namespace geos {
27namespace operation { // geos::operation
28namespace geounion { // geos::operation::geounion
29
34class GeometryListHolder : public std::vector<geom::Geometry*> {
35private:
36 typedef std::vector<geom::Geometry*> base_type;
37
38public:
41 {
42 std::for_each(ownedItems.begin(), ownedItems.end(),
43 &GeometryListHolder::deleteItem);
44 }
45
46 // items need to be deleted in the end
47 void
48 push_back_owned(geom::Geometry* item)
49 {
50 this->base_type::push_back(item);
51 ownedItems.push_back(item);
52 }
53
55 getGeometry(std::size_t index)
56 {
57 if(index >= this->base_type::size()) {
58 return nullptr;
59 }
60 return (*this)[index];
61 }
62
63private:
64 static void deleteItem(geom::Geometry* item);
65
66private:
67 std::vector<geom::Geometry*> ownedItems;
68};
69
70} // namespace geos::operation::union
71} // namespace geos::operation
72} // namespace geos
73
74#endif
Basic implementation of Geometry, constructed and destructed by GeometryFactory.
Definition Geometry.h:188
Helper class holding Geometries, part of which are held by reference others are held exclusively.
Definition GeometryListHolder.h:34
Basic namespace for all GEOS functionalities.
Definition IndexedNestedRingTester.h:26