Engine directory for ticket #1

Engine/source/platformPOSIX/posixVolume.h

@@ -0,0 +1,129 @@
+//-----------------------------------------------------------------------------
+// Copyright (c) 2012 GarageGames, LLC
+//
+// Permission is hereby granted, free of charge, to any person obtaining a copy
+// of this software and associated documentation files (the "Software"), to
+// deal in the Software without restriction, including without limitation the
+// rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
+// sell copies of the Software, and to permit persons to whom the Software is
+// furnished to do so, subject to the following conditions:
+//
+// The above copyright notice and this permission notice shall be included in
+// all copies or substantial portions of the Software.
+//
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
+// IN THE SOFTWARE.
+//-----------------------------------------------------------------------------
+
+#ifndef _POSIXVOLUME_H_
+#define _POSIXVOLUME_H_
+
+#ifndef _VOLUME_H_
+#include "core/volume.h"
+#endif
+
+#include <stdio.h>
+#include <sys/stat.h>
+#include <dirent.h>
+
+namespace Torque
+{
+using namespace FS;
+
+namespace Posix
+{
+
+//-----------------------------------------------------------------------------
+
+class PosixFileSystem: public FileSystem
+{
+   String _volume;
+
+public:
+   PosixFileSystem(String volume);
+   ~PosixFileSystem();
+
+   String   getTypeStr() const { return "POSIX"; }
+
+   FileNodeRef resolve(const Path& path);
+   FileNodeRef create(const Path& path,FileNode::Mode);
+   bool remove(const Path& path);
+   bool rename(const Path& from,const Path& to);
+   Path mapTo(const Path& path);
+   Path mapFrom(const Path& path);
+};
+
+
+//-----------------------------------------------------------------------------
+/// Posix stdio file access.
+/// This class makes use the fopen, fread and fwrite for buffered io.
+class PosixFile: public File
+{
+   friend class PosixFileSystem;
+   Path _path;
+   String _name;
+   FILE* _handle;
+   Status _status;
+
+   PosixFile(const Path& path,String name);
+   bool _updateInfo();
+   void _updateStatus();
+
+public:
+   ~PosixFile();
+
+   Path getName() const;
+   Status getStatus() const;
+   bool getAttributes(Attributes*);
+
+   U32 getPosition();
+   U32 setPosition(U32,SeekMode);
+
+   bool open(AccessMode);
+   bool close();
+
+   U32 read(void* dst, U32 size);
+   U32 write(const void* src, U32 size);
+
+private:
+   U32 calculateChecksum();
+};
+
+
+//-----------------------------------------------------------------------------
+
+class PosixDirectory: public Directory
+{
+   friend class PosixFileSystem;
+   Path _path;
+   String _name;
+   DIR* _handle;
+   Status _status;
+
+   PosixDirectory(const Path& path,String name);
+   void _updateStatus();
+
+public:
+   ~PosixDirectory();
+
+   Path getName() const;
+   Status getStatus() const;
+   bool getAttributes(Attributes*);
+
+   bool open();
+   bool close();
+   bool read(Attributes*);
+
+private:
+   U32 calculateChecksum();
+};
+
+
+} // Namespace
+} // Namespace
+#endif