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-/************************************************************************************
-
-PublicHeader: Kernel
-Filename : OVR_SysFile.h
-Content : Header for all internal file management - functions and structures
- to be inherited by OS specific subclasses.
-Created : September 19, 2012
-Notes :
-
-Notes : errno may not be preserved across use of GBaseFile member functions
- : Directories cannot be deleted while files opened from them are in use
- (For the GetFullName function)
-
-Copyright : Copyright 2014 Oculus VR, LLC All Rights reserved.
-
-Licensed under the Oculus VR Rift SDK License Version 3.2 (the "License");
-you may not use the Oculus VR Rift SDK except in compliance with the License,
-which is provided at the time of installation or download, or which
-otherwise accompanies this software in either electronic or hard copy form.
-
-You may obtain a copy of the License at
-
-http://www.oculusvr.com/licenses/LICENSE-3.2
-
-Unless required by applicable law or agreed to in writing, the Oculus VR SDK
-distributed under the License is distributed on an "AS IS" BASIS,
-WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-See the License for the specific language governing permissions and
-limitations under the License.
-
-************************************************************************************/
-
-#ifndef OVR_SysFile_h
-#define OVR_SysFile_h
-
-#include "OVR_File.h"
-
-namespace OVR {
-
-// ***** Declared classes
-class SysFile;
-
-//-----------------------------------------------------------------------------------
-// *** File Statistics
-
-// This class contents are similar to _stat, providing
-// creation, modify and other information about the file.
-struct FileStat
-{
- // No change or create time because they are not available on most systems
- int64_t ModifyTime;
- int64_t AccessTime;
- int64_t FileSize;
-
- bool operator== (const FileStat& stat) const
- {
- return ( (ModifyTime == stat.ModifyTime) &&
- (AccessTime == stat.AccessTime) &&
- (FileSize == stat.FileSize) );
- }
-};
-
-//-----------------------------------------------------------------------------------
-// *** System File
-
-// System file is created to access objects on file system directly
-// This file can refer directly to path.
-// System file can be open & closed several times; however, such use is not recommended
-// This class is realy a wrapper around an implementation of File interface for a
-// particular platform.
-
-class SysFile : public DelegatedFile
-{
-protected:
- SysFile(const SysFile &source) : DelegatedFile () { OVR_UNUSED(source); }
-public:
-
- // ** Constructor
- SysFile();
- // Opens a file
- SysFile(const String& path, int flags = Open_Read|Open_Buffered, int mode = Mode_ReadWrite);
-
- // ** Open & management
- bool Open(const String& path, int flags = Open_Read|Open_Buffered, int mode = Mode_ReadWrite);
-
- OVR_FORCE_INLINE bool Create(const String& path, int mode = Mode_ReadWrite)
- { return Open(path, Open_ReadWrite|Open_Create, mode); }
-
- // Helper function: obtain file statistics information. In OVR, this is used to detect file changes.
- // Return 0 if function failed, most likely because the file doesn't exist.
- static bool OVR_CDECL GetFileStat(FileStat* pfileStats, const String& path);
-
- // ** Overrides
- // Overridden to provide re-open support
- virtual int GetErrorCode();
-
- virtual bool IsValid();
-
- virtual bool Close();
-};
-
-} // Namespace OVR
-
-#endif