From d0f8618046f75dfa875a822c7aef35b2da900af8 Mon Sep 17 00:00:00 2001
From: Alexander Sulfrian <alexander@sulfrian.net>
Date: Thu, 14 Jan 2010 20:07:46 +0100
Subject: added song loading stubs with different strategies chosen by file
 extension

---
 src/base/songloading/songloader.cpp | 76 +++++++++++++++++++++++++++++++++++++
 1 file changed, 76 insertions(+)
 create mode 100644 src/base/songloading/songloader.cpp

(limited to 'src/base/songloading/songloader.cpp')

diff --git a/src/base/songloading/songloader.cpp b/src/base/songloading/songloader.cpp
new file mode 100644
index 00000000..c4d1054d
--- /dev/null
+++ b/src/base/songloading/songloader.cpp
@@ -0,0 +1,76 @@
+/*
+ * UltraStar Deluxe - Karaoke Game
+ *
+ * UltraStar Deluxe is the legal property of its developers, whose names
+ * are too numerous to list here. Please refer to the COPYRIGHT
+ * file distributed with this source distribution.
+ *
+ * This program 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 2
+ * of the License, or (at your option) any later version.
+ *
+ * This program 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 this program; see the file COPYING. If not, write to
+ * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
+ * Boston, MA 02110-1301, USA.
+ *
+ * $URL$
+ * $Id$
+ */
+
+#include "songloader.hpp"
+#include "songloading_strategy_txt.hpp"
+#include "songloading_strategy_xml.hpp"
+
+namespace usdx
+{
+	log4cxx::LoggerPtr Songloader::log =
+		log4cxx::Logger::getLogger("usdx.base.songloading.Songloader");
+
+	Songloader *Songloader::instance = NULL;
+
+	Songloader::Songloader(void)
+	{
+		// add different strategies to map
+		strategies[".txt"] = new SongloadingStrategyTxt();
+		strategies[".xml"] = new SongloadingStrategyXml();
+	}
+
+	Songloader::~Songloader(void)
+	{
+		strategies.clear();
+	}
+
+	Songloader *Songloader::get_instance(void)
+	{
+		if (instance == NULL) {
+			instance = new Songloader();
+		}
+
+		return instance;
+	}
+
+	Song *Songloader::load(std::string filename)
+	{
+		std::string extension = "";
+
+		size_t found = filename.rfind('.');
+		if (found != std::string::npos) {
+			extension = filename.substr(found);
+		}
+
+		std::map<std::string, SongloadingStrategy*>::iterator it = strategies.find(extension);
+		if (it == strategies.end()) {
+			LOG4CXX_WARN(log, "No SongloadingStrategy found for file extension: '" << extension << "'");
+			throw "Unknown file format.";
+		}
+
+		return it->second->loadSong(filename);
+	}
+};
-- 
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