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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*
* This file is part of the LibreOffice project.
*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/.
*
* This file incorporates work covered by the following license notice:
*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed
* with this work for additional information regarding copyright
* ownership. The ASF licenses this file to you under the Apache
* License, Version 2.0 (the "License"); you may not use this file
* except in compliance with the License. You may obtain a copy of
* the License at http://www.apache.org/licenses/LICENSE-2.0 .
*/
#ifndef INCLUDED_BASIC_SOURCE_INC_IOSYS_HXX
#define INCLUDED_BASIC_SOURCE_INC_IOSYS_HXX
#include <tools/stream.hxx>
#include <basic/sberrors.hxx>
class SvStream;
// Global files (channel numbers 256 to 511) are not
// implemented at the moment.
#define CHANNELS 256
#define SBSTRM_INPUT 0x0001
#define SBSTRM_OUTPUT 0x0002
#define SBSTRM_RANDOM 0x0004
#define SBSTRM_APPEND 0x0008
#define SBSTRM_BINARY 0x0010
class SbiStream
{
SvStream* pStrm;
sal_uIntPtr nExpandOnWriteTo; // during writing access expand the stream to this size
OString aLine;
sal_uIntPtr nLine;
short nLen; // buffer length
short nMode;
short nChan;
SbError nError;
void MapError();
public:
SbiStream();
~SbiStream();
SbError Open( short, const OString&, short, short, short );
SbError Close();
SbError Read(OString&, sal_uInt16 = 0, bool bForceReadingPerByte=false);
SbError Read( char& );
SbError Write( const OString&, sal_uInt16 = 0 );
bool IsText() const { return (nMode & SBSTRM_BINARY) == 0; }
bool IsRandom() const { return (nMode & SBSTRM_RANDOM) != 0; }
bool IsBinary() const { return (nMode & SBSTRM_BINARY) != 0; }
bool IsSeq() const { return (nMode & SBSTRM_RANDOM) == 0; }
bool IsAppend() const { return (nMode & SBSTRM_APPEND) != 0; }
short GetBlockLen() const { return nLen; }
short GetMode() const { return nMode; }
sal_uIntPtr GetLine() const { return nLine; }
void SetExpandOnWriteTo( sal_uIntPtr n ) { nExpandOnWriteTo = n; }
void ExpandFile();
SvStream* GetStrm() { return pStrm; }
};
class SbiIoSystem
{
SbiStream* pChan[ CHANNELS ];
OString aPrompt;
OString aIn;
OUString aOut;
short nChan;
SbError nError;
void ReadCon(OString&);
void WriteCon(const OUString&);
public:
SbiIoSystem();
~SbiIoSystem();
SbError GetError();
void Shutdown();
void SetPrompt(const OString& r) { aPrompt = r; }
void SetChannel( short n ) { nChan = n; }
short GetChannel() const { return nChan;}
void ResetChannel() { nChan = 0; }
void Open( short, const OString&, short, short, short );
void Close();
void Read(OString&, short = 0);
char Read();
void Write(const OUString&, short = 0);
// 0 == bad channel or no SvStream (nChannel=0..CHANNELS-1)
SbiStream* GetStream( short nChannel ) const;
void CloseAll(); // JSM
};
#endif
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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