111 lines
3.7 KiB
C++
111 lines
3.7 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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/*
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* This file is part of the LibreOffice project.
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*
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/.
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*
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* This file incorporates work covered by the following license notice:
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*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed
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* with this work for additional information regarding copyright
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* ownership. The ASF licenses this file to you under the Apache
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* License, Version 2.0 (the "License"); you may not use this file
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* except in compliance with the License. You may obtain a copy of
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* the License at http://www.apache.org/licenses/LICENSE-2.0 .
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*/
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#pragma once
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#include <memory>
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#include <string_view>
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#include <tools/stream.hxx>
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#include <o3tl/typed_flags_set.hxx>
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class SvStream;
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// Global files (channel numbers 256 to 511) are not
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// implemented at the moment.
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#define CHANNELS 256
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enum class SbiStreamFlags
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{
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NONE = 0x0000,
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Input = 0x0001,
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Output = 0x0002,
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Random = 0x0004,
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Append = 0x0008,
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Binary = 0x0010,
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};
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namespace o3tl
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{
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template<> struct typed_flags<SbiStreamFlags> : is_typed_flags<SbiStreamFlags, 0x1f> {};
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}
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class SbiStream
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{
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std::unique_ptr<SvStream> pStrm;
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sal_uInt64 nExpandOnWriteTo; // during writing access expand the stream to this size
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OString aLine;
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sal_uInt64 nLine;
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short nLen; // buffer length
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SbiStreamFlags nMode;
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ErrCode nError;
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void MapError();
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public:
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SbiStream();
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~SbiStream();
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ErrCode const & Open( std::string_view, StreamMode, SbiStreamFlags, short );
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ErrCode const & Close();
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ErrCode Read(OString&, sal_uInt16 = 0, bool bForceReadingPerByte=false);
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ErrCode const & Read( char& );
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ErrCode Write( const OString& );
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bool IsText() const { return !bool(nMode & SbiStreamFlags::Binary); }
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bool IsRandom() const { return bool(nMode & SbiStreamFlags::Random); }
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bool IsBinary() const { return bool(nMode & SbiStreamFlags::Binary); }
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bool IsSeq() const { return !bool(nMode & SbiStreamFlags::Random); }
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bool IsAppend() const { return bool(nMode & SbiStreamFlags::Append); }
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short GetBlockLen() const { return nLen; }
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SbiStreamFlags GetMode() const { return nMode; }
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sal_uInt64 GetLine() const { return nLine; }
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void SetExpandOnWriteTo( sal_uInt64 n ) { nExpandOnWriteTo = n; }
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void ExpandFile();
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SvStream* GetStrm() { return pStrm.get(); }
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};
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class SbiIoSystem
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{
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SbiStream* pChan[ CHANNELS ];
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OString aPrompt;
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OString aIn;
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OUString aOut;
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short nChan;
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ErrCode nError;
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void ReadCon(OString&);
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void WriteCon(std::u16string_view);
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public:
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SbiIoSystem();
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~SbiIoSystem() COVERITY_NOEXCEPT_FALSE;
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ErrCode GetError();
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void Shutdown();
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void SetPrompt(const OString& r) { aPrompt = r; }
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void SetChannel( short n ) { nChan = n; }
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short GetChannel() const { return nChan;}
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void ResetChannel() { nChan = 0; }
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void Open( short, std::string_view, StreamMode, SbiStreamFlags, short );
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void Close();
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void Read(OString&);
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char Read();
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void Write(std::u16string_view);
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// 0 == bad channel or no SvStream (nChannel=0..CHANNELS-1)
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SbiStream* GetStream( short nChannel ) const;
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void CloseAll(); // JSM
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};
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/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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