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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 .
+ */
+
+#pragma once
+
+#include <memory>
+#include <string_view>
+
+#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( std::string_view, 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(std::u16string_view);
+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, std::string_view, StreamMode, SbiStreamFlags, short );
+ void Close();
+ void Read(OString&);
+ char Read();
+ void Write(std::u16string_view);
+ // 0 == bad channel or no SvStream (nChannel=0..CHANNELS-1)
+ SbiStream* GetStream( short nChannel ) const;
+ void CloseAll(); // JSM
+};
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */