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++ // Copyright (C) 2016 The Qt Company Ltd.
++ // SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only
++
++ #include "qgeofiletilecachemapbox.h"
++ #include <QtLocation/private/qgeotilespec_p.h>
++ #include <QDir>
++
++ QT_BEGIN_NAMESPACE
++
++ QGeoFileTileCacheMapbox::QGeoFileTileCacheMapbox(const QList<QGeoMapType> &mapTypes,
++ int scaleFactor, const QString &directory,
++ QObject *parent)
++ :QGeoFileTileCache(directory, parent), m_mapTypes(mapTypes)
++ {
++ m_scaleFactor = qBound(1, scaleFactor, 2);
++ for (qsizetype i = 0; i < mapTypes.size(); i++)
++ m_mapNameToId.insert(mapTypes[i].name(), i + 1);
++ }
++
++ QGeoFileTileCacheMapbox::~QGeoFileTileCacheMapbox()
++ {
++
++ }
++
++ QString QGeoFileTileCacheMapbox::tileSpecToFilename(const QGeoTileSpec &spec, const QString &format,
++ const QString &directory) const
++ {
++ QString filename = spec.plugin();
++ filename += QLatin1String("-");
++ filename += m_mapTypes[spec.mapId()-1].name();
++ filename += QLatin1String("-");
++ filename += QString::number(spec.zoom());
++ filename += QLatin1String("-");
++ filename += QString::number(spec.x());
++ filename += QLatin1String("-");
++ filename += QString::number(spec.y());
++
++ //Append version if real version number to ensure backwards compatibility and eviction of old tiles
++ if (spec.version() != -1) {
++ filename += QLatin1String("-");
++ filename += QString::number(spec.version());
++ }
++
++ filename += QLatin1String("-@");
++ filename += QString::number(m_scaleFactor);
++ filename += QLatin1Char('x');
++
++ filename += QLatin1String(".");
++ filename += format;
++
++ QDir dir = QDir(directory);
++
++ return dir.filePath(filename);
++ }
++
++ QGeoTileSpec QGeoFileTileCacheMapbox::filenameToTileSpec(const QString &filename) const
++ {
++ QStringList parts = filename.split('.');
++
++ if (parts.length() != 3) // 3 because the map name has always a dot in it.
++ return QGeoTileSpec();
++
++ const QString name = parts.at(0) + QChar('.') + parts.at(1);
++ const QStringList fields = name.split('-');
++
++ const qsizetype length = fields.length();
++ if (length != 6 && length != 7)
++ return QGeoTileSpec();
++ const qsizetype scaleIdx = fields.last().indexOf("@");
++ if (scaleIdx < 0 || fields.last().size() <= (scaleIdx + 2))
++ return QGeoTileSpec();
++ const int scaleFactor = fields.last()[scaleIdx + 1].digitValue();
++ if (scaleFactor != m_scaleFactor)
++ return QGeoTileSpec();
++
++ QList<int> numbers;
++
++ bool ok = false;
++ for (qsizetype i = 2; i < length - 1; ++i) { // skipping -@_X
++ ok = false;
++ int value = fields.at(i).toInt(&ok);
++ if (!ok)
++ return QGeoTileSpec();
++ numbers.append(value);
++ }
++
++ //File name without version, append default
++ if (numbers.length() < 4)
++ numbers.append(-1);
++
++ return QGeoTileSpec(fields.at(0),
++ m_mapNameToId[fields.at(1)],
++ numbers.at(0),
++ numbers.at(1),
++ numbers.at(2),
++ numbers.at(3));
++ }
++
++ QT_END_NAMESPACE