SWORD25: Implemented ScummVM version of BS_FileSystemUtil interface

svn-id: r53186

1 files changed, 131 insertions, 0 deletions

diff --git a/engines/sword25/kernel/filesystemutil.cpp b/engines/sword25/kernel/filesystemutil.cpp
new file mode 100755
index 0000000000..307758c7d0
--- /dev/null
+++ b/engines/sword25/kernel/filesystemutil.cpp
@@ -0,0 +1,131 @@
+/* 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.
+ *
+ * $URL$
+ * $Id$
+ *
+ */
+
+// -----------------------------------------------------------------------------
+// Includes
+// -----------------------------------------------------------------------------
+
+#include "common/config-manager.h"
+#include "common/fs.h"
+#include "common/savefile.h"
+#include "common/system.h"
+#include "sword25/kernel/filesystemutil.h"
+
+namespace Sword25 {
+
+#define BS_LOG_PREFIX "FILESYSTEMUTIL"
+
+// -----------------------------------------------------------------------------
+// Constants and utility functions
+// -----------------------------------------------------------------------------
+
+Common::String GetAbsolutePath(const Common::String &Path) {
+	Common::FSNode node(Path);
+
+	if (!node.exists()) {
+		// An error has occurred finding the node
+		// We can do nothing at this pointer than return an empty string
+		BS_LOG_ERRORLN("A call to GetAbsolutePath failed.");
+		return "";
+	}
+
+	// Return the result
+	return node.getPath();
+}
+
+// -----------------------------------------------------------------------------
+// Class definitions
+// -----------------------------------------------------------------------------
+
+class BS_FileSystemUtilScummVM : public BS_FileSystemUtil {
+public:
+	virtual Common::String GetUserdataDirectory() {
+		Common::String path = ConfMan.get("savepath");
+
+		if (path.empty()) {
+			BS_LOG_ERRORLN("No save path has been defined");
+			return "";
+		}
+
+		// Return the path 
+		return path;
+	}
+
+	virtual Common::String GetPathSeparator() {
+		return Common::String("//");
+	}
+
+	virtual int64 GetFileSize(const Common::String &Filename) {
+		Common::FSNode node(Filename);
+
+		// If the file does not exist, return -1 as a result
+		if (!node.exists())
+			return -1;
+
+		// Get the size of the file and return it
+		Common::File f;
+		f.open(node);
+		uint32 size = f.size();
+		f.close();
+
+		return size;
+	}
+
+	virtual time_t GetFileTime(const Common::String &Filename) {
+		// TODO: There isn't any way in ScummVM to get a file's modified date/time. We will need to check
+		// what code makes use of it. If it's only the save game code, for example, we may be able to
+		// encode the date/time inside the savegame files themselves.
+		return 0;
+	}
+
+	virtual bool FileExists(const Common::String &Filename) {
+		Common::File f;
+		return f.exists(Filename);
+	}
+
+	virtual bool CreateDirectory(const Common::String &DirectoryName) {
+		// ScummVM doesn't support creating folders, so this is only a stub
+		BS_LOG_ERRORLN("CreateDirectory method called");
+		return false;
+	}
+
+	virtual Common::StringArray GetFilesInDirectory(const Common::String &Directory) {
+		Common::SaveFileManager *sfm = g_system->getSavefileManager();
+		Common::StringArray filenames = sfm->listSavefiles("*");
+		sort(filenames.begin(), filenames.end());
+		return filenames;
+	}
+};
+
+// -----------------------------------------------------------------------------
+// Singleton method of parent class
+// -----------------------------------------------------------------------------
+
+BS_FileSystemUtil &BS_FileSystemUtil::GetInstance() {
+	static BS_FileSystemUtilScummVM Instance;
+	return Instance;
+}
+
+} // End of namespace Sword25