COMMON: Move Lua into Common and make it into...

an engine feature

1 files changed, 57 insertions, 0 deletions

diff --git a/common/lua/scummvm_file.h b/common/lua/scummvm_file.h
new file mode 100644
index 0000000000..72d2690a4d
--- /dev/null
+++ b/common/lua/scummvm_file.h
@@ -0,0 +1,57 @@
+/* ScummVM - Graphic Adventure Engine
+ *
+ * ScummVM 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; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+ *
+ */
+
+#ifndef SWORD25_SCUMMVM_FILE_H
+#define SWORD25_SCUMMVM_FILE_H
+
+#include "common/str.h"
+
+namespace Sword25 {
+
+/**
+ * The following class acts as a proxy interface to the I/O code, pretending that the ScummVM
+ * settings are a properly formatted 'config.lua' file
+ */
+class Sword25FileProxy {
+private:
+	Common::String _readData;
+	uint _readPos;
+	Common::String _settings;
+
+	Common::String formatDouble(double value);
+	void setupConfigFile();
+	Common::String getLanguage();
+	void setLanguage(const Common::String &lang);
+	void writeSettings();
+	void updateSetting(const Common::String &setting, const Common::String &value);
+public:
+	Sword25FileProxy(const Common::String &filename, const Common::String &mode);
+	~Sword25FileProxy();
+
+	bool eof() const { return _readPos >= _readData.size(); }
+	size_t read(void *ptr, size_t size, size_t count);
+	size_t write(const char *ptr, size_t count);
+};
+
+} // End of namespace Sword25
+
+#endif