120 lines
2 KiB
C++
120 lines
2 KiB
C++
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/*++
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Copyright (c) 1991-2000 Microsoft Corporation
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Module Name:
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file.hxx
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Abstract:
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This module contains the declaration for the FSN_FILE class. FSN_FILE
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is derived from the abstract FSNODE class. It offers an interface which
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supports manipulation of the external (i.e. non data) portion of files.
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Author:
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David J. Gilman (davegi) 09-Jan-1991
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Environment:
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ULIB, User Mode
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--*/
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#if ! defined( _FSN_FILE_ )
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#define _FSN_FILE_
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#include "fsnode.hxx"
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#include "filestrm.hxx"
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//
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// Forward references
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//
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DECLARE_CLASS( FSN_FILE );
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DECLARE_CLASS( FSN_FILTER );
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class FSN_FILE : public FSNODE {
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friend FSN_FILTER;
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friend SYSTEM;
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public:
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DECLARE_CAST_MEMBER_FUNCTION( FSN_FILE );
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NONVIRTUAL
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ULIB_EXPORT
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BOOLEAN
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Copy (
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IN OUT PPATH NewFile,
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OUT PCOPY_ERROR ErrorCode DEFAULT NULL,
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IN ULONG CopyFlags DEFAULT 0,
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IN LPPROGRESS_ROUTINE CallBack DEFAULT NULL,
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IN VOID * Data DEFAULT NULL,
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IN PBOOL Cancel DEFAULT NULL
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) CONST;
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VIRTUAL
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BOOLEAN
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DeleteFromDisk(
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IN BOOLEAN Force DEFAULT FALSE
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);
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NONVIRTUAL
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ULONG64
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QuerySize (
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) CONST;
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ULIB_EXPORT
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PFILE_STREAM
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QueryStream (
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IN STREAMACCESS Access,
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IN DWORD Attributes DEFAULT 0
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);
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protected:
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DECLARE_CONSTRUCTOR( FSN_FILE );
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private:
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};
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INLINE
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ULONG64
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FSN_FILE::QuerySize (
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) CONST
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/*++
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Routine Description:
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Return the size of the file in bytes.
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Arguments:
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None.
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Return Value:
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ULONG - returns the file size
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--*/
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{
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ULARGE_INTEGER x;
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x.LowPart = _FileData.nFileSizeLow;
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x.HighPart = _FileData.nFileSizeHigh;
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return x.QuadPart;
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}
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#endif // _FSN_FILE_
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