113 lines
1.5 KiB
C++
113 lines
1.5 KiB
C++
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/*++
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Copyright (c) 1991 Microsoft Corporation
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Module Name:
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pipestr.hxx
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Abstract:
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This module contains the declaration for the PIPE_STREAM class.
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The PIPE_STREAM is a class derived from BUFFER_STREAM that provides
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methods to read and write data to an anonymous pipe.
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A PIPE_STREAM will have one of the following access: READ or WRITE.
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Author:
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Jaime Sasson (jaimes) 18-Apr-1991
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Environment:
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ULIB, User Mode
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--*/
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#if !defined( PIPE_STREAM_ )
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#define PIPE_STREAM_
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#include "bufstrm.hxx"
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//
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// Forward references
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//
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DECLARE_CLASS( PIPE_STREAM );
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DECLARE_CLASS( WSTRING );
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class PIPE_STREAM : public BUFFER_STREAM {
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public:
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friend class PIPE;
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friend PSTREAM GetStandardStream( HANDLE, STREAMACCESS );
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DECLARE_CAST_MEMBER_FUNCTION( PIPE_STREAM );
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VIRTUAL
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~PIPE_STREAM(
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);
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VIRTUAL
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STREAMACCESS
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QueryAccess(
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) CONST;
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protected:
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DECLARE_CONSTRUCTOR( PIPE_STREAM );
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NONVIRTUAL
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BOOLEAN
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Initialize(
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IN HANDLE Handle,
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IN STREAMACCESS Access
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);
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VIRTUAL
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BOOLEAN
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EndOfFile(
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) CONST;
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VIRTUAL
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BOOLEAN
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FillBuffer(
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IN PBYTE Buffer,
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IN ULONG BufferSize,
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OUT PULONG BytesRead
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);
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VIRTUAL
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HANDLE
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QueryHandle(
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) CONST;
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#ifdef FE_SB
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VIRTUAL
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BOOLEAN
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CheckIfLeadByte(
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IN PUCHAR text,
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IN ULONG offset
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);
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#endif
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private:
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HANDLE _PipeHandle;
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STREAMACCESS _Access;
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BOOLEAN _EndOfFile;
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};
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#endif // _PIPE_STREAM_
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