121 lines
3.6 KiB
C++
121 lines
3.6 KiB
C++
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/* -*- 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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struct ESelection
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{
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sal_Int32 nStartPara;
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sal_Int32 nStartPos;
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sal_Int32 nEndPara;
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sal_Int32 nEndPos;
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ESelection()
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: nStartPara(0)
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, nStartPos(0)
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, nEndPara(0)
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, nEndPos(0)
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{
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}
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ESelection(sal_Int32 nStPara, sal_Int32 nStPos, sal_Int32 nEPara, sal_Int32 nEPos)
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: nStartPara(nStPara)
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, nStartPos(nStPos)
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, nEndPara(nEPara)
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, nEndPos(nEPos)
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{
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}
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ESelection(sal_Int32 nPara, sal_Int32 nPos)
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: nStartPara(nPara)
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, nStartPos(nPos)
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, nEndPara(nPara)
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, nEndPos(nPos)
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{
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}
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void Adjust();
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bool operator==(const ESelection& rS) const;
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bool operator!=(const ESelection& rS) const { return !operator==(rS); }
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bool operator<(const ESelection& rS) const;
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bool operator>(const ESelection& rS) const;
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bool IsZero() const;
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bool HasRange() const;
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};
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template <typename charT, typename traits>
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inline std::basic_ostream<charT, traits>& operator<<(std::basic_ostream<charT, traits>& stream,
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ESelection const& sel)
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{
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return stream << "ESelection(" << sel.nStartPara << ',' << sel.nStartPos << "," << sel.nEndPara
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<< "," << sel.nEndPos << ")";
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}
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inline bool ESelection::HasRange() const
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{
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return (nStartPara != nEndPara) || (nStartPos != nEndPos);
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}
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inline bool ESelection::IsZero() const
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{
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return ((nStartPara == 0) && (nStartPos == 0) && (nEndPara == 0) && (nEndPos == 0));
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}
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inline bool ESelection::operator==(const ESelection& rS) const
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{
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return ((nStartPara == rS.nStartPara) && (nStartPos == rS.nStartPos)
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&& (nEndPara == rS.nEndPara) && (nEndPos == rS.nEndPos));
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}
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inline bool ESelection::operator<(const ESelection& rS) const
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{
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// The selection must be adjusted.
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// => Only check if end of 'this' < Start of rS
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return (nEndPara < rS.nStartPara)
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|| ((nEndPara == rS.nStartPara) && (nEndPos < rS.nStartPos) && !operator==(rS));
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}
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inline bool ESelection::operator>(const ESelection& rS) const
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{
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// The selection must be adjusted.
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// => Only check if end of 'this' < Start of rS
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return (nStartPara > rS.nEndPara)
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|| ((nStartPara == rS.nEndPara) && (nStartPos > rS.nEndPos) && !operator==(rS));
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}
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inline void ESelection::Adjust()
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{
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bool bSwap = false;
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if (nStartPara > nEndPara)
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bSwap = true;
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else if ((nStartPara == nEndPara) && (nStartPos > nEndPos))
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bSwap = true;
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if (bSwap)
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{
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sal_Int32 nSPar = nStartPara;
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sal_Int32 nSPos = nStartPos;
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nStartPara = nEndPara;
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nStartPos = nEndPos;
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nEndPara = nSPar;
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nEndPos = nSPos;
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}
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}
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/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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