pathutil.h

/*
    SPDX-FileCopyrightText: 2020 Volker Krause <vkrause@kde.org>
 
    SPDX-License-Identifier: LGPL-2.0-or-later
*/
 
#ifndef OSM_PATHUTIL_H
#define OSM_PATHUTIL_H
 
#include <kosm_export.h>
 
#include "datatypes.h"
 
#include <vector>
 
namespace OSM {
 
class Element;
 
/** Appends the nodes referenced by @p nodesBegin and @pnodesEnd into @p nodes.
 *  This would typically be iterators on OSM::Way::nodes.
 */
template <typename Iter>
static void appendNodesFromWay(const DataSet &dataSet, std::vector<const Node*> &nodes, const Iter& nodeBegin, const Iter &nodeEnd)
{
    nodes.reserve(nodes.size() + std::distance(nodeBegin, nodeEnd));
    for (auto it = nodeBegin; it != nodeEnd; ++it) {
        if (auto node = dataSet.node((*it))) {
            nodes.push_back(node);
        }
    }
}
 
/** Assemble a continuous path into @p path from the given @p ways. */
KOSM_EXPORT void assemblePath(const DataSet &dataSet, std::vector<const Way*> &&ways, std::vector<const Node*> &path);
KOSM_EXPORT void assemblePath(const DataSet &dataSet, const std::vector<OSM::Element> &ways, std::vector<const Node*> &path);
 
}
 
#endif // OSM_PATHUTIL_H