src/osm/pathutil.h

0001 /*
0002     SPDX-FileCopyrightText: 2020 Volker Krause <vkrause@kde.org>
0003
0004     SPDX-License-Identifier: LGPL-2.0-or-later
0005 */
0006
0007 #ifndef OSM_PATHUTIL_H
0008 #define OSM_PATHUTIL_H
0009
0010 #include <kosm_export.h>
0011
0012 #include "datatypes.h"
0013
0014 #include <vector>
0015
0016 namespace OSM {
0017
0018 class Element;
0019
0020 /** Appends the nodes referenced by @p nodesBegin and @pnodesEnd into @p nodes.
0021  *  This would typically be iterators on OSM::Way::nodes.
0022  */
0023 template <typename Iter>
0024 static void appendNodesFromWay(const DataSet &dataSet, std::vector<const Node*> &nodes, const Iter& nodeBegin, const Iter &nodeEnd)
0025 {
0026     nodes.reserve(nodes.size() + std::distance(nodeBegin, nodeEnd));
0027     for (auto it = nodeBegin; it != nodeEnd; ++it) {
0028         if (auto node = dataSet.node((*it))) {
0029             nodes.push_back(node);
0030         }
0031     }
0032 }
0033
0034 /** Assemble a continuous path into @p path from the given @p ways. */
0035 KOSM_EXPORT void assemblePath(const DataSet &dataSet, std::vector<const Way*> &&ways, std::vector<const Node*> &path);
0036 KOSM_EXPORT void assemblePath(const DataSet &dataSet, const std::vector<OSM::Element> &ways, std::vector<const Node*> &path);
0037
0038 }
0039
0040 #endif // OSM_PATHUTIL_H