[libcalamares] Stub GeoIPHandler

- The handler class should deal with configuration and query

src/libcalamares/CMakeLists.txt

@@ -71,6 +71,7 @@ endif()
 
 set( geoipSources
     geoip/GeoIP.cpp
+    geoip/GeoIPHandler.cpp
     geoip/GeoIPJSON.cpp
 )
 set( geoip_libs )

src/libcalamares/geoip/GeoIPHandler.cpp

@@ -0,0 +1,40 @@
+/* === This file is part of Calamares - <http://github.com/calamares> ===
+ *
+ *   Copyright 2019, Adriaan de Groot <groot@kde.org>
+ *
+ *   Calamares is free software: you can redistribute it and/or modify
+ *   it under the terms of the GNU General Public License as published by
+ *   the Free Software Foundation, either version 3 of the License, or
+ *   (at your option) any later version.
+ *
+ *   Calamares is distributed in the hope that it will be useful,
+ *   but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ *   GNU General Public License for more details.
+ *
+ *   You should have received a copy of the GNU General Public License
+ *   along with Calamares. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include "GeoIPHandler.h"
+
+namespace CalamaresUtils
+{
+
+GeoIPHandler::GeoIPHandler()
+{
+}
+
+bool
+GeoIPHandler::isValid() const
+{
+    return false;
+}
+
+GeoIP::RegionZonePair
+GeoIPHandler::query() const
+{
+    return GeoIP::RegionZonePair();
+}
+
+}  // namespace

src/libcalamares/geoip/GeoIPHandler.h

@@ -0,0 +1,47 @@
+/* === This file is part of Calamares - <http://github.com/calamares> ===
+ *
+ *   Copyright 2019, Adriaan de Groot <groot@kde.org>
+ *
+ *   Calamares is free software: you can redistribute it and/or modify
+ *   it under the terms of the GNU General Public License as published by
+ *   the Free Software Foundation, either version 3 of the License, or
+ *   (at your option) any later version.
+ *
+ *   Calamares is distributed in the hope that it will be useful,
+ *   but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ *   GNU General Public License for more details.
+ *
+ *   You should have received a copy of the GNU General Public License
+ *   along with Calamares. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#ifndef GEOIP_GEOIPHANDLER_H
+#define GEOIP_GEOIPHANDLER_H
+
+#include "GeoIP.h"
+
+namespace CalamaresUtils
+{
+
+/** @brief Handle one complete GeoIP lookup.
+ *
+ * This class handles one complete GeoIP lookup. Create it with
+ * suitable configuration values, then call lookup(). This is a
+ * synchronous API and will return an invalid zone pair on
+ * error or if the configuration is not understood/
+ */
+class GeoIPHandler
+{
+public:
+    /** @brief An unconfigured handler; this always returns errors. */
+    GeoIPHandler();
+
+    GeoIP::RegionZonePair query() const;
+
+    bool isValid() const;
+};
+
+}  // namespace
+#endif
+