[CONF] Resurrected config files

src/Makefile.am

@@ -3,7 +3,8 @@ bin_PROGRAMS = lms
 lms_SOURCES = \
 	$(srcdir)/main/main.cpp					\
 	$(srcdir)/av/AvInfo.cpp					\
-	$(srcdir)/av/AvTranscoder.cpp					\
+	$(srcdir)/av/AvTranscoder.cpp				\
+	$(srcdir)/config/Config.cpp				\
 	$(srcdir)/cover/CoverArtGrabber.cpp			\
 	$(srcdir)/database/Artist.cpp				\
 	$(srcdir)/database/DatabaseClassifier.cpp		\

src/config/Config.cpp

@@ -0,0 +1,99 @@
+/*
+ * Copyright (C) 2016 Emeric Poupon
+ *
+ * This file is part of LMS.
+ *
+ * LMS 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.
+ *
+ * LMS 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 LMS.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include <sstream>
+
+#include "Config.hpp"
+
+namespace {
+
+}
+
+Config::Config()
+: _config (nullptr)
+{
+}
+
+Config&
+Config::instance()
+{
+	static Config instance;
+	return instance;
+}
+
+void
+Config::setFile(boost::filesystem::path p)
+{
+	if (_config != nullptr)
+		delete _config;
+
+	_config = new libconfig::Config();
+
+	_config->readFile(p.string().c_str());
+}
+
+std::string
+Config::getString(std::string setting, std::string def)
+{
+	try {
+		return _config->lookup(setting);
+	}
+	catch (std::exception &e)
+	{
+		return def;
+	}
+}
+
+unsigned long
+Config::getULong(std::string setting, unsigned long def)
+{
+	try {
+		return static_cast<unsigned int>(_config->lookup(setting));
+	}
+	catch (...)
+	{
+		return def;
+	}
+}
+
+long
+Config::getLong(std::string setting, long def)
+{
+	try {
+		return _config->lookup(setting);
+	}
+	catch (...)
+	{
+		return def;
+	}
+}
+
+bool
+Config::getBool(std::string setting, bool def)
+{
+	try {
+		return _config->lookup(setting);
+	}
+	catch (...)
+	{
+		return def;
+	}
+}
+
+

src/config/Config.hpp

@@ -0,0 +1,48 @@
+/*
+ * Copyright (C) 2016 Emeric Poupon
+ *
+ * This file is part of LMS.
+ *
+ * LMS 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.
+ *
+ * LMS 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 LMS.  If not, see <http://www.gnu.org/licenses/>.
+ */
+#pragma once
+
+
+#include <boost/filesystem.hpp>
+#include <libconfig.h++>
+
+class Config
+{
+	public:
+
+		Config(const Config&) = delete;
+		Config& operator=(const Config&) = delete;
+
+		static Config& instance();
+
+		void		setFile(boost::filesystem::path p);
+
+		// Default values are returned in case of setting not found
+		std::string	getString(std::string setting, std::string def = "");
+		unsigned long	getULong(std::string setting, unsigned long def = 0);
+		long		getLong(std::string setting, long def = 0);
+		bool		getBool(std::string setting, bool def = false);
+
+	private:
+
+		Config();
+
+		libconfig::Config	*_config;
+};
+