Adding upstream version 4:7.4.7.upstream/4%7.4.7upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 256 insertions, 0 deletions

diff --git a/editeng/source/outliner/paralist.cxx b/editeng/source/outliner/paralist.cxx
new file mode 100644
index 000000000..5b9f21449
--- /dev/null
+++ b/editeng/source/outliner/paralist.cxx
@@ -0,0 +1,256 @@
+/* -*- 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 .
+ */
+
+
+#include "paralist.hxx"
+
+#include <editeng/outliner.hxx>
+#include <editeng/numdef.hxx>
+#include <o3tl/safeint.hxx>
+#include <osl/diagnose.h>
+#include <sal/log.hxx>
+#include <tools/debug.hxx>
+#include <libxml/xmlwriter.h>
+
+ParagraphData::ParagraphData()
+: nDepth( -1 )
+, mnNumberingStartValue( -1 )
+, mbParaIsNumberingRestart( false )
+{
+}
+
+bool ParagraphData::operator==(const ParagraphData& rCandidate) const
+{
+    return (nDepth == rCandidate.nDepth
+        && mnNumberingStartValue == rCandidate.mnNumberingStartValue
+        && mbParaIsNumberingRestart == rCandidate.mbParaIsNumberingRestart);
+}
+
+Paragraph::Paragraph( sal_Int16 nDDepth )
+: aBulSize( -1, -1)
+{
+
+    DBG_ASSERT(  ( nDDepth >= -1 ) && ( nDDepth < SVX_MAX_NUM ), "Paragraph-CTOR: nDepth invalid!" );
+
+    nDepth = nDDepth;
+    nFlags = ParaFlag::NONE;
+    bVisible = true;
+}
+
+Paragraph::Paragraph( const ParagraphData& rData )
+: aBulSize( -1, -1)
+, nFlags( ParaFlag::NONE )
+, bVisible( true )
+{
+    nDepth = rData.nDepth;
+    mnNumberingStartValue = rData.mnNumberingStartValue;
+    mbParaIsNumberingRestart = rData.mbParaIsNumberingRestart;
+}
+
+Paragraph::~Paragraph()
+{
+}
+
+void Paragraph::SetNumberingStartValue( sal_Int16 nNumberingStartValue )
+{
+    mnNumberingStartValue = nNumberingStartValue;
+    if( mnNumberingStartValue != -1 )
+        mbParaIsNumberingRestart = true;
+}
+
+void Paragraph::SetParaIsNumberingRestart( bool bParaIsNumberingRestart )
+{
+    mbParaIsNumberingRestart = bParaIsNumberingRestart;
+    if( !mbParaIsNumberingRestart )
+        mnNumberingStartValue = -1;
+}
+
+void Paragraph::dumpAsXml(xmlTextWriterPtr pWriter) const
+{
+    (void)xmlTextWriterStartElement(pWriter, BAD_CAST("Paragraph"));
+    (void)xmlTextWriterWriteFormatAttribute(pWriter, BAD_CAST("nDepth"), "%" SAL_PRIdINT32, static_cast<sal_Int32>(nDepth));
+    (void)xmlTextWriterWriteFormatAttribute(pWriter, BAD_CAST("mnNumberingStartValue"), "%" SAL_PRIdINT32, static_cast<sal_Int32>(mnNumberingStartValue));
+    (void)xmlTextWriterWriteFormatAttribute(pWriter, BAD_CAST("mbParaIsNumberingRestart"), "%" SAL_PRIdINT32, static_cast<sal_Int32>(mbParaIsNumberingRestart));
+    (void)xmlTextWriterEndElement(pWriter);
+}
+
+void ParagraphList::Clear()
+{
+    maEntries.clear();
+}
+
+void ParagraphList::Append( std::unique_ptr<Paragraph> pPara)
+{
+    SAL_WARN_IF( maEntries.size() >= EE_PARA_MAX_COUNT, "editeng", "ParagraphList::Append - overflow");
+    maEntries.push_back(std::move(pPara));
+}
+
+void ParagraphList::Insert( std::unique_ptr<Paragraph> pPara, sal_Int32 nAbsPos)
+{
+    SAL_WARN_IF( nAbsPos < 0 || (maEntries.size() < o3tl::make_unsigned(nAbsPos) && nAbsPos != EE_PARA_APPEND),
+            "editeng", "ParagraphList::Insert - bad insert position " << nAbsPos);
+    SAL_WARN_IF( maEntries.size() >= EE_PARA_MAX_COUNT, "editeng", "ParagraphList::Insert - overflow");
+
+    if (nAbsPos < 0 || maEntries.size() <= o3tl::make_unsigned(nAbsPos))
+        Append( std::move(pPara) );
+    else
+        maEntries.insert(maEntries.begin()+nAbsPos, std::move(pPara));
+}
+
+void ParagraphList::Remove( sal_Int32 nPara )
+{
+    if (nPara < 0 || maEntries.size() <= o3tl::make_unsigned(nPara))
+    {
+        SAL_WARN( "editeng", "ParagraphList::Remove - out of bounds " << nPara);
+        return;
+    }
+
+    maEntries.erase(maEntries.begin() + nPara );
+}
+
+void ParagraphList::MoveParagraphs( sal_Int32 nStart, sal_Int32 nDest, sal_Int32 _nCount )
+{
+    OSL_ASSERT(o3tl::make_unsigned(nStart) < maEntries.size() && o3tl::make_unsigned(nDest) < maEntries.size());
+
+    if ( (( nDest < nStart ) || ( nDest >= ( nStart + _nCount ) )) && nStart >= 0 && nDest >= 0 && _nCount >= 0 )
+    {
+        std::vector<std::unique_ptr<Paragraph>> aParas;
+        auto iterBeg = maEntries.begin() + nStart;
+        auto iterEnd = iterBeg + _nCount;
+
+        for (auto it = iterBeg; it != iterEnd; ++it)
+            aParas.push_back(std::move(*it));
+
+        maEntries.erase(iterBeg,iterEnd);
+
+        if ( nDest > nStart )
+            nDest -= _nCount;
+
+        for (auto & i : aParas)
+        {
+            maEntries.insert(maEntries.begin() + nDest, std::move(i));
+            ++nDest;
+        }
+    }
+    else
+    {
+        OSL_FAIL( "MoveParagraphs: Invalid Parameters" );
+    }
+}
+
+bool ParagraphList::HasChildren( Paragraph const * pParagraph ) const
+{
+    sal_Int32 n = GetAbsPos( pParagraph );
+    Paragraph* pNext = GetParagraph( ++n );
+    return pNext && ( pNext->GetDepth() > pParagraph->GetDepth() );
+}
+
+bool ParagraphList::HasHiddenChildren( Paragraph const * pParagraph ) const
+{
+    sal_Int32 n = GetAbsPos( pParagraph );
+    Paragraph* pNext = GetParagraph( ++n );
+    return pNext && ( pNext->GetDepth() > pParagraph->GetDepth() ) && !pNext->IsVisible();
+}
+
+bool ParagraphList::HasVisibleChildren( Paragraph const * pParagraph ) const
+{
+    sal_Int32 n = GetAbsPos( pParagraph );
+    Paragraph* pNext = GetParagraph( ++n );
+    return pNext && ( pNext->GetDepth() > pParagraph->GetDepth() ) && pNext->IsVisible();
+}
+
+sal_Int32 ParagraphList::GetChildCount( Paragraph const * pParent ) const
+{
+    sal_Int32 nChildCount = 0;
+    sal_Int32 n = GetAbsPos( pParent );
+    Paragraph* pPara = GetParagraph( ++n );
+    while ( pPara && ( pPara->GetDepth() > pParent->GetDepth() ) )
+    {
+        nChildCount++;
+        pPara = GetParagraph( ++n );
+    }
+    return nChildCount;
+}
+
+Paragraph* ParagraphList::GetParent( Paragraph const * pParagraph ) const
+{
+    sal_Int32 n = GetAbsPos( pParagraph );
+    Paragraph* pPrev = GetParagraph( --n );
+    while ( pPrev && ( pPrev->GetDepth() >= pParagraph->GetDepth() ) )
+    {
+        pPrev = GetParagraph( --n );
+    }
+
+    return pPrev;
+}
+
+void ParagraphList::Expand( Paragraph const * pParent )
+{
+    sal_Int32 nChildCount = GetChildCount( pParent );
+    sal_Int32 nPos = GetAbsPos( pParent );
+
+    for ( sal_Int32 n = 1; n <= nChildCount; n++  )
+    {
+        Paragraph* pPara = GetParagraph( nPos+n );
+        if ( !( pPara->IsVisible() ) )
+        {
+            pPara->bVisible = true;
+            aVisibleStateChangedHdl.Call( *pPara );
+        }
+    }
+}
+
+void ParagraphList::Collapse( Paragraph const * pParent )
+{
+    sal_Int32 nChildCount = GetChildCount( pParent );
+    sal_Int32 nPos = GetAbsPos( pParent );
+
+    for ( sal_Int32 n = 1; n <= nChildCount; n++  )
+    {
+        Paragraph* pPara = GetParagraph( nPos+n );
+        if ( pPara->IsVisible() )
+        {
+            pPara->bVisible = false;
+            aVisibleStateChangedHdl.Call( *pPara );
+        }
+    }
+}
+
+sal_Int32 ParagraphList::GetAbsPos( Paragraph const * pParent ) const
+{
+    sal_Int32 pos = 0;
+    for (auto const& entry : maEntries)
+    {
+        if (entry.get() == pParent)
+            return pos;
+        ++pos;
+    }
+
+    return EE_PARA_NOT_FOUND;
+}
+
+void ParagraphList::dumpAsXml(xmlTextWriterPtr pWriter) const
+{
+    (void)xmlTextWriterStartElement(pWriter, BAD_CAST("ParagraphList"));
+    for (auto const & pParagraph : maEntries)
+        pParagraph->dumpAsXml(pWriter);
+    (void)xmlTextWriterEndElement(pWriter);
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */