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| -rw-r--r-- | basic/source/inc/iosys.hxx | 112 |
1 files changed, 112 insertions, 0 deletions
diff --git a/basic/source/inc/iosys.hxx b/basic/source/inc/iosys.hxx new file mode 100644 index 000000000..4931b86a3 --- /dev/null +++ b/basic/source/inc/iosys.hxx @@ -0,0 +1,112 @@ +/* -*- 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 <memory> +#include <tools/stream.hxx> +#include <o3tl/typed_flags_set.hxx> + +class SvStream; + +// Global files (channel numbers 256 to 511) are not +// implemented at the moment. + +#define CHANNELS 256 + +enum class SbiStreamFlags +{ + NONE = 0x0000, + Input = 0x0001, + Output = 0x0002, + Random = 0x0004, + Append = 0x0008, + Binary = 0x0010, +}; +namespace o3tl +{ + template<> struct typed_flags<SbiStreamFlags> : is_typed_flags<SbiStreamFlags, 0x1f> {}; +} + +class SbiStream +{ + std::unique_ptr<SvStream> pStrm; + sal_uInt64 nExpandOnWriteTo; // during writing access expand the stream to this size + OString aLine; + sal_uInt64 nLine; + short nLen; // buffer length + SbiStreamFlags nMode; + ErrCode nError; + void MapError(); + +public: + SbiStream(); + ~SbiStream(); + ErrCode const & Open( const OString&, StreamMode, SbiStreamFlags, short ); + ErrCode const & Close(); + ErrCode Read(OString&, sal_uInt16 = 0, bool bForceReadingPerByte=false); + ErrCode const & Read( char& ); + ErrCode Write( const OString& ); + + bool IsText() const { return !bool(nMode & SbiStreamFlags::Binary); } + bool IsRandom() const { return bool(nMode & SbiStreamFlags::Random); } + bool IsBinary() const { return bool(nMode & SbiStreamFlags::Binary); } + bool IsSeq() const { return !bool(nMode & SbiStreamFlags::Random); } + bool IsAppend() const { return bool(nMode & SbiStreamFlags::Append); } + short GetBlockLen() const { return nLen; } + SbiStreamFlags GetMode() const { return nMode; } + sal_uInt64 GetLine() const { return nLine; } + void SetExpandOnWriteTo( sal_uInt64 n ) { nExpandOnWriteTo = n; } + void ExpandFile(); + SvStream* GetStrm() { return pStrm.get(); } +}; + +class SbiIoSystem +{ + SbiStream* pChan[ CHANNELS ]; + OString aPrompt; + OString aIn; + OUString aOut; + short nChan; + ErrCode nError; + void ReadCon(OString&); + void WriteCon(const OUString&); +public: + SbiIoSystem(); + ~SbiIoSystem() COVERITY_NOEXCEPT_FALSE; + ErrCode 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&, StreamMode, SbiStreamFlags, short ); + void Close(); + void Read(OString&); + char Read(); + void Write(const OUString&); + // 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: */ |