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  3. FArchiveFileWriterGeneric

FArchiveFileWriterGeneric

API > API/Runtime > API/Runtime/Core > API/Runtime/Core/HAL

Inheritance Hierarchy

References

   
Module Core
Header /Engine/Source/Runtime/Core/Public/HAL/FileManagerGeneric.h
Include #include "HAL/FileManagerGeneric.h"

Syntax

class FArchiveFileWriterGeneric : public FArchive

Variables

  Type Name Description
Protected variable bool bLoggingError  
Protected variable TArray64< uint8 > BufferArray  
Protected variable int64 BufferSize  
Protected variable FString Filename Filename for debugging purposes
Protected variable uint32 Flags  
Protected variable TUniquePtr< IFileHandle > Handle  
Protected variable int64 Pos  

Constructors

  Type Name Description
Public function  

FArchiveFileWriterGeneric ( IFileHandle* InHandle,
const TCHAR* InFilename,
int64 InPos,
uint32 InBufferSize,
uint32 InFlags
)

  

Destructors

  Type Name Description
Public function    

Functions

  Type Name Description
Protected function Virtual bool Close the file handle
Protected function bool Write any internal buffer to the file handle
Protected function Const bool Returns true if the archive should suppress logging in case of error
Protected function void

LogWriteError ( const TCHAR* Message
)

 Logs I/O error It is important to not call any platform API functions after the error occurred and before calling this functions as the system error code may get reset and will not be properly logged in this message.
Protected function Virtual bool

SeekLowLevel ( int64 InPos
)

 Platform specific seek
Protected function Virtual bool

WriteLowLevel ( const uint8* Src,
int64 CountToWrite
)

 Platform specific write

Overridden from FArchive

  Type Name Description
Public function Virtual bool

Close ()

 Attempts to close and finalize any handles used for backing data storage, returns true if it succeeded.
Public function Virtual void

Flush ()

 Attempts to finish writing any buffered data to disk/permanent storage.
Public function Virtual void

Seek ( int64 InPos
)

 Attempts to set the current offset into backing data storage, this will do nothing if there is no storage.
Public function Virtual void

Serialize ( void* V,
int64 Length
)

  

Overridden from FArchiveState

  Type Name Description
Public function Virtual Const FString Returns the name of the Archive.
Public function Virtual int64

Tell ()

 Returns the current location within the backing data storage, which can possibly be passed to Seek later to restore a read/write location.
Public function Virtual int64 Returns total size of the backing data storage.

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