Add QGeoJson: a GeoJSON parser

Add a Class to convert a GeoJSON document to a QVariantList ready to be
used as Model in a MapItemView. It comes with autotests, example and
detailed documentation.

[ChangeLog][QtLocation] Added a GeoJSON parser which can be used to
annotate maps with tracks, polygonal boundaries, etc.

Fixes: QTBUG-64111
Change-Id: Ib06d3902a052f69f75ae40be5c9ab56023cad916
Reviewed-by: Paolo Angelelli <paolo.angelelli@qt.io>

1 files changed, 89 insertions, 0 deletions

diff --git a/tests/auto/qgeojson/tst_qgeojson.cpp b/tests/auto/qgeojson/tst_qgeojson.cpp
new file mode 100644
index 00000000..ea2c18b7
--- /dev/null
+++ b/tests/auto/qgeojson/tst_qgeojson.cpp
@@ -0,0 +1,89 @@
+/****************************************************************************
+**
+** Copyright (C) 2016 The Qt Company Ltd.
+** Contact: https://www.qt.io/licensing/
+**
+** This file is part of the test suite of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:GPL-EXCEPT$
+** Commercial License Usage
+** Licensees holding valid commercial Qt licenses may use this file in
+** accordance with the commercial license agreement provided with the
+** Software or, alternatively, in accordance with the terms contained in
+** a written agreement between you and The Qt Company. For licensing terms
+** and conditions see https://www.qt.io/terms-conditions. For further
+** information use the contact form at https://www.qt.io/contact-us.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3 as published by the Free Software
+** Foundation with exceptions as appearing in the file LICENSE.GPL3-EXCEPT
+** included in the packaging of this file. Please review the following
+** information to ensure the GNU General Public License requirements will
+** be met: https://www.gnu.org/licenses/gpl-3.0.html.
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include <QtTest/QtTest>
+#include <QtPositioning/QGeoCoordinate>
+#include <QtCore/QJsonDocument>
+#include <QtCore/QVariant>
+#include <QtCore/QList>
+#include <QtLocation/private/qgeojson_p.h>
+
+QT_USE_NAMESPACE
+
+class tst_QGeoJson : public QObject
+{
+    Q_OBJECT
+
+private Q_SLOTS:
+    void testGeojson();
+
+private:
+    QString testDataDir;
+};
+
+void tst_QGeoJson::testGeojson()
+{
+    QJsonDocument originalDocument;
+    QJsonDocument processedDocument;
+    QVariantList modelList;
+
+    QString exampleGeometries[] = {
+        QStringLiteral("01-point.json"),
+        QStringLiteral("02-linestring.json"),
+        QStringLiteral("03-multipoint.json"),
+        QStringLiteral("04-polygon.json"),
+        QStringLiteral("05-multilinestring.json"),
+        QStringLiteral("06-multipolygon.json"),
+        QStringLiteral("07-geometrycollection.json"),
+        QStringLiteral("08-feature.json"),
+        QStringLiteral("09-featurecollection.json"),
+        QStringLiteral("10-countries.json"),
+        QStringLiteral("11-full.json")
+    };
+
+    testDataDir = QFileInfo(QFINDTESTDATA("01-point.json")).absolutePath();
+    if (testDataDir.isEmpty())
+        testDataDir = QCoreApplication::applicationDirPath();
+    for (int i = 0; i < 11; ++i) {
+        modelList.clear();
+
+        QFile file(testDataDir +  QStringLiteral("/") + exampleGeometries[i]);
+        file.open(QFile::ReadOnly);
+
+        QByteArray testJson = file.readAll();
+        originalDocument = QJsonDocument::fromJson(testJson);
+
+        modelList = QGeoJson::importGeoJson(originalDocument);
+        processedDocument = QGeoJson::exportGeoJson(modelList);
+
+        QVERIFY2(processedDocument == originalDocument, qPrintable("Test failed in file: " + exampleGeometries[i]));
+    }
+}
+
+QTEST_MAIN(tst_QGeoJson)
+#include "tst_qgeojson.moc"