390 lines
14 KiB
C++
390 lines
14 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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#include "txatbase.hxx"
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#include "ndhints.hxx"
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#include <txtatr.hxx>
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#ifdef DBG_UTIL
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#include <pam.hxx>
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#include <fmtautofmt.hxx>
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#include <set>
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#endif
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// Sortierreihenfolge: Start, Ende (umgekehrt!), Which-Wert (umgekehrt!),
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// als letztes die Adresse selbst
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static bool lcl_IsLessStart( const SwTextAttr &rHt1, const SwTextAttr &rHt2 )
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{
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if ( rHt1.GetStart() == rHt2.GetStart() )
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{
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const sal_Int32 nHt1 = *rHt1.GetAnyEnd();
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const sal_Int32 nHt2 = *rHt2.GetAnyEnd();
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if ( nHt1 == nHt2 )
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{
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const sal_uInt16 nWhich1 = rHt1.Which();
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const sal_uInt16 nWhich2 = rHt2.Which();
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if ( nWhich1 == nWhich2 )
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{
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if ( RES_TXTATR_CHARFMT == nWhich1 )
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{
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const sal_uInt16 nS1 =
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static_txtattr_cast<const SwTextCharFormat&>(rHt1).GetSortNumber();
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const sal_uInt16 nS2 =
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static_txtattr_cast<const SwTextCharFormat&>(rHt2).GetSortNumber();
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if ( nS1 != nS2 ) // robust
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return nS1 < nS2;
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}
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return reinterpret_cast<sal_IntPtr>(&rHt1) < reinterpret_cast<sal_IntPtr>(&rHt2);
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}
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// order is important! for requirements see hintids.hxx
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return ( nWhich1 > nWhich2 );
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}
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return ( nHt1 > nHt2 );
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}
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return ( rHt1.GetStart() < rHt2.GetStart() );
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}
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// Zuerst nach Ende danach nach Ptr
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static bool lcl_IsLessEnd( const SwTextAttr &rHt1, const SwTextAttr &rHt2 )
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{
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const sal_Int32 nHt1 = *rHt1.GetAnyEnd();
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const sal_Int32 nHt2 = *rHt2.GetAnyEnd();
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if ( nHt1 == nHt2 )
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{
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if ( rHt1.GetStart() == rHt2.GetStart() )
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{
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const sal_uInt16 nWhich1 = rHt1.Which();
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const sal_uInt16 nWhich2 = rHt2.Which();
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if ( nWhich1 == nWhich2 )
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{
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if ( RES_TXTATR_CHARFMT == nWhich1 )
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{
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const sal_uInt16 nS1 =
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static_txtattr_cast<const SwTextCharFormat&>(rHt1).GetSortNumber();
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const sal_uInt16 nS2 =
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static_txtattr_cast<const SwTextCharFormat&>(rHt2).GetSortNumber();
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if ( nS1 != nS2 ) // robust
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return nS1 > nS2;
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}
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return reinterpret_cast<sal_IntPtr>(&rHt1) > reinterpret_cast<sal_IntPtr>(&rHt2);
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}
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// order is important! for requirements see hintids.hxx
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return ( nWhich1 < nWhich2 );
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}
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else
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return ( rHt1.GetStart() > rHt2.GetStart() );
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}
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return ( nHt1 < nHt2 );
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}
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bool CompareSwpHtStart::operator()(SwTextAttr* const lhs, SwTextAttr* const rhs) const
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{
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return lcl_IsLessStart( *lhs, *rhs );
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}
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bool CompareSwpHtEnd::operator()(SwTextAttr* const lhs, SwTextAttr* const rhs) const
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{
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return lcl_IsLessEnd( *lhs, *rhs );
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}
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void SwpHintsArray::Insert( const SwTextAttr *pHt )
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{
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Resort();
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assert(m_HintStarts.find(const_cast<SwTextAttr*>(pHt))
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== m_HintStarts.end()); // "Insert: hint already in HtStart"
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assert(m_HintEnds.find(const_cast<SwTextAttr*>(pHt))
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== m_HintEnds.end()); // "Insert: hint already in HtEnd"
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m_HintStarts.insert( const_cast<SwTextAttr*>(pHt) );
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m_HintEnds .insert( const_cast<SwTextAttr*>(pHt) );
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}
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void SwpHintsArray::DeleteAtPos( const size_t nPos )
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{
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// optimization: nPos is the position in the Starts array
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SwTextAttr *pHt = m_HintStarts[ nPos ];
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m_HintStarts.erase( m_HintStarts.begin() + nPos );
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Resort();
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bool const done = m_HintEnds.erase(pHt);
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assert(done);
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(void) done; // unused in NDEBUG
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}
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bool SwpHintsArray::Contains( const SwTextAttr *pHt ) const
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{
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// DO NOT use find() or CHECK here!
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// if called from SwTextNode::InsertItem, pHt has already been deleted,
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// so it cannot be dereferenced
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for (size_t i = 0; i < m_HintStarts.size(); ++i)
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{
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if (m_HintStarts[i] == pHt)
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{
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return true;
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}
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}
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return false;
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}
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#ifdef DBG_UTIL
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#define CHECK_ERR(cond, text) \
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if(!(cond)) \
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{ \
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SAL_WARN("sw.core", text); \
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(const_cast<SwpHintsArray*>(this))->Resort(); \
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return false; \
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}
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bool SwpHintsArray::Check(bool bPortionsMerged) const
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{
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// 1) gleiche Anzahl in beiden Arrays
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CHECK_ERR( m_HintStarts.size() == m_HintEnds.size(),
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"HintsCheck: wrong sizes" );
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sal_Int32 nLastStart = 0;
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sal_Int32 nLastEnd = 0;
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const SwTextAttr *pLastStart = 0;
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const SwTextAttr *pLastEnd = 0;
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std::set<SwTextAttr const*> RsidOnlyAutoFormats;
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if (bPortionsMerged)
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{
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for (size_t i = 0; i < Count(); ++i)
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{
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SwTextAttr const*const pHint(m_HintStarts[i]);
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if (RES_TXTATR_AUTOFMT == pHint->Which())
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{
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std::shared_ptr<SfxItemSet> const pSet(
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pHint->GetAutoFormat().GetStyleHandle());
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if (pSet->Count() == 1 && pSet->GetItem(RES_CHRATR_RSID, false))
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{
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RsidOnlyAutoFormats.insert(pHint);
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}
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}
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}
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}
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for( size_t i = 0; i < Count(); ++i )
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{
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// --- Start-Kontrolle ---
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// 2a) gueltiger Pointer? vgl. DELETEFF
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const SwTextAttr *pHt = m_HintStarts[i];
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CHECK_ERR( 0xFF != *reinterpret_cast<unsigned char const *>(pHt), "HintsCheck: start ptr was deleted" );
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// 3a) Stimmt die Start-Sortierung?
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sal_Int32 nIdx = pHt->GetStart();
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CHECK_ERR( nIdx >= nLastStart, "HintsCheck: starts are unsorted" );
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// 4a) IsLessStart-Konsistenz
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if( pLastStart )
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CHECK_ERR( lcl_IsLessStart( *pLastStart, *pHt ), "HintsCheck: IsLastStart" );
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nLastStart = nIdx;
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pLastStart = pHt;
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// --- End-Kontrolle ---
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// 2b) gueltiger Pointer? vgl. DELETEFF
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const SwTextAttr *pHtEnd = m_HintEnds[i];
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CHECK_ERR( 0xFF != *reinterpret_cast<unsigned char const *>(pHtEnd), "HintsCheck: end ptr was deleted" );
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// 3b) Stimmt die End-Sortierung?
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nIdx = *pHtEnd->GetAnyEnd();
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CHECK_ERR( nIdx >= nLastEnd, "HintsCheck: ends are unsorted" );
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nLastEnd = nIdx;
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// 4b) IsLessEnd-Konsistenz
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if( pLastEnd )
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CHECK_ERR( lcl_IsLessEnd( *pLastEnd, *pHtEnd ), "HintsCheck: IsLastEnd" );
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nLastEnd = nIdx;
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pLastEnd = pHtEnd;
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// --- Ueberkreuzungen ---
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// 5) gleiche Pointer in beiden Arrays
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if (m_HintStarts.find(const_cast<SwTextAttr*>(pHt)) == m_HintStarts.end())
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nIdx = COMPLETE_STRING;
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CHECK_ERR( COMPLETE_STRING != nIdx, "HintsCheck: no GetStartOf" );
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// 6) gleiche Pointer in beiden Arrays
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if (m_HintEnds.find(const_cast<SwTextAttr*>(pHt)) == m_HintEnds.end())
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nIdx = COMPLETE_STRING;
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CHECK_ERR( COMPLETE_STRING != nIdx, "HintsCheck: no GetEndOf" );
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// 7a) character attributes in array?
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sal_uInt16 nWhich = pHt->Which();
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CHECK_ERR( !isCHRATR(nWhich),
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"HintsCheck: Character attribute in start array" );
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// 7b) character attributes in array?
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nWhich = pHtEnd->Which();
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CHECK_ERR( !isCHRATR(nWhich),
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"HintsCheck: Character attribute in end array" );
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// 8) style portion check
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const SwTextAttr* pHtThis = m_HintStarts[i];
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const SwTextAttr* pHtLast = i > 0 ? m_HintStarts[i-1] : 0;
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CHECK_ERR( (0 == i)
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|| ( (RES_TXTATR_CHARFMT != pHtLast->Which())
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&& (RES_TXTATR_AUTOFMT != pHtLast->Which()))
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|| ( (RES_TXTATR_CHARFMT != pHtThis->Which())
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&& (RES_TXTATR_AUTOFMT != pHtThis->Which()))
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|| (pHtThis->GetStart() >= *pHtLast->End()) // no overlap
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|| ( ( (pHtThis->GetStart() == pHtLast->GetStart())
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&& (*pHtThis->End() == *pHtLast->End())
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) // same range
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&& ( (pHtThis->Which() != RES_TXTATR_AUTOFMT)
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|| (pHtLast->Which() != RES_TXTATR_AUTOFMT)
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) // never two AUTOFMT on same range
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&& ( (pHtThis->Which() != RES_TXTATR_CHARFMT)
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|| (pHtLast->Which() != RES_TXTATR_CHARFMT)
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|| (static_txtattr_cast<const SwTextCharFormat *>(pHtThis)
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->GetSortNumber() !=
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static_txtattr_cast<const SwTextCharFormat *>(pHtLast)
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->GetSortNumber())
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) // multiple CHARFMT on same range need distinct sortnr
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)
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|| (pHtThis->GetStart() == *pHtThis->End()), // this empty
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"HintsCheck: Portion inconsistency. "
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"This can be temporarily ok during undo operations" );
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// 8 1/2) format ignore start/end flag check
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// (problems because MergePortions buggy or not called)
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if (bPortionsMerged)
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{
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if (RES_TXTATR_AUTOFMT == pHt->Which() ||
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RES_TXTATR_CHARFMT == pHt->Which())
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{
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// mostly ignore the annoying no-length hints
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// BuildPortions inserts these in the middle of an existing one
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bool const bNoLength(pHt->GetStart() == *pHt->End());
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bool bNeedContinuation(!bNoLength && pHt->IsFormatIgnoreEnd());
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bool bForbidContinuation(!bNoLength && !bNeedContinuation);
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if (RES_TXTATR_AUTOFMT == pHt->Which())
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{
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if (RsidOnlyAutoFormats.find(pHt) != RsidOnlyAutoFormats.end())
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{
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assert(pHt->IsFormatIgnoreStart());
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bNeedContinuation = false;
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// don't forbid continuation - may be other hint here!
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}
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}
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if (bNeedContinuation || bForbidContinuation)
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{
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bool bFound(false);
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for (size_t j = i + 1; j < Count(); ++j)
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{
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SwTextAttr *const pOther(m_HintStarts[j]);
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if (pOther->GetStart() > *pHt->End())
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{
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break; // done
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}
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else if (pOther->GetStart() == *pOther->GetAnyEnd())
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{
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continue; // empty hint: ignore
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}
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else if (pOther->GetStart() == *pHt->End())
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{
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if (RES_TXTATR_AUTOFMT == pOther->Which() ||
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RES_TXTATR_CHARFMT == pOther->Which())
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{ // multiple charfmt on same range must all match
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if (bNeedContinuation)
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{
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assert(pOther->IsFormatIgnoreStart());
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bFound = true;
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}
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else if (bForbidContinuation &&
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(RsidOnlyAutoFormats.find(pOther) ==
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RsidOnlyAutoFormats.end()))
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{
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assert(!pOther->IsFormatIgnoreStart());
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}
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}
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}
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}
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if (bNeedContinuation)
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{
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assert(bFound); // ? can this happen temp. during undo?
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}
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}
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}
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else
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{
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assert(!pHt->IsFormatIgnoreStart());
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assert(!pHt->IsFormatIgnoreEnd());
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}
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}
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// 9) nesting portion check
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if (pHtThis->IsNesting())
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{
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for ( size_t j = 0; j < Count(); ++j )
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{
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SwTextAttr const * const pOther( m_HintStarts[j] );
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if ( pOther->IsNesting() && (i != j) )
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{
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SwComparePosition cmp = ComparePosition(
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pHtThis->GetStart(), *pHtThis->End(),
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pOther->GetStart(), *pOther->End());
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CHECK_ERR( (POS_OVERLAP_BEFORE != cmp) &&
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(POS_OVERLAP_BEHIND != cmp),
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"HintsCheck: overlapping nesting hints!!!" );
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}
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}
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}
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// 10) dummy char check (unfortunately cannot check SwTextNode::m_Text)
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if (pHtThis->HasDummyChar())
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{
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for ( size_t j = 0; j < i; ++j )
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{
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SwTextAttr const * const pOther( m_HintStarts[j] );
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if (pOther->HasDummyChar())
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{
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CHECK_ERR( (pOther->GetStart() != pHtThis->GetStart()),
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"HintsCheck: multiple hints claim same CH_TXTATR!");
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}
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}
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}
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}
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return true;
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}
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#endif /* DBG_UTIL */
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// Resort() is called before every Insert and Delete.
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// Various SwTextNode methods modify hints in a way that violates the
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// sort order of the m_HintStarts, m_HintEnds arrays, so this method is needed
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// to restore the order.
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void SwpHintsArray::Resort()
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{
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m_HintStarts.Resort();
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m_HintEnds.Resort();
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}
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/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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