Adding upstream version 4:24.2.0.upstream/4%24.2.0

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

1 files changed, 205 insertions, 0 deletions

diff --git a/sw/source/core/access/parachangetrackinginfo.cxx b/sw/source/core/access/parachangetrackinginfo.cxx
new file mode 100644
index 0000000000..b20d9702e7
--- /dev/null
+++ b/sw/source/core/access/parachangetrackinginfo.cxx
@@ -0,0 +1,205 @@
+/* -*- 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 "parachangetrackinginfo.hxx"
+
+#include <wrong.hxx>
+#include <com/sun/star/text/TextMarkupType.hpp>
+#include <osl/diagnose.h>
+
+#include <txtfrm.hxx>
+#include <rootfrm.hxx>
+#include <ndtxt.hxx>
+#include <IDocumentRedlineAccess.hxx>
+#include <docary.hxx>
+#include <redline.hxx>
+
+#include <algorithm>
+
+namespace {
+    void initChangeTrackTextMarkupLists( const SwTextFrame& rTextFrame,
+                                         std::unique_ptr<SwWrongList>& opChangeTrackInsertionTextMarkupList,
+                                         std::unique_ptr<SwWrongList>& opChangeTrackDeletionTextMarkupList,
+                                         std::unique_ptr<SwWrongList>& opChangeTrackFormatChangeTextMarkupList )
+    {
+        opChangeTrackInsertionTextMarkupList.reset( new SwWrongList( WRONGLIST_CHANGETRACKING ) );
+        opChangeTrackDeletionTextMarkupList.reset( new SwWrongList( WRONGLIST_CHANGETRACKING ) );
+        opChangeTrackFormatChangeTextMarkupList.reset( new SwWrongList( WRONGLIST_CHANGETRACKING ) );
+
+        if (!rTextFrame.GetTextNodeFirst())
+        {
+            OSL_FAIL( "<initChangeTrackTextMarkupLists(..) - missing <SwTextNode> instance!" );
+            return;
+        }
+        // sw_redlinehide: the first node is sufficient - there are only
+        // multiple ones in Hide case and the code below returns early then
+        const SwTextNode& rTextNode(*(rTextFrame.GetTextNodeFirst()));
+
+        const IDocumentRedlineAccess& rIDocChangeTrack( rTextNode.getIDocumentRedlineAccess() );
+
+        if (!IDocumentRedlineAccess::IsShowChanges(rIDocChangeTrack.GetRedlineFlags())
+           || rTextFrame.getRootFrame()->IsHideRedlines()
+           || rIDocChangeTrack.GetRedlineTable().empty())
+        {
+            // nothing to do --> empty change track text markup lists.
+            return;
+        }
+
+        const SwRedlineTable::size_type nIdxOfFirstRedlineForTextNode =
+                    rIDocChangeTrack.GetRedlinePos( rTextNode, RedlineType::Any );
+        if ( nIdxOfFirstRedlineForTextNode == SwRedlineTable::npos )
+        {
+            // nothing to do --> empty change track text markup lists.
+            return;
+        }
+
+        // sw_redlinehide: rely on the Hide early return above & cast
+        // TextFrameIndex to SwContentIndex directly
+        const sal_Int32 nTextFrameTextStartPos = rTextFrame.IsFollow()
+            ? sal_Int32(rTextFrame.GetOffset())
+            : 0;
+        const sal_Int32 nTextFrameTextEndPos = rTextFrame.HasFollow()
+            ? sal_Int32(rTextFrame.GetFollow()->GetOffset())
+            : rTextFrame.GetText().getLength();
+
+        // iteration over the redlines which overlap with the text node.
+        const SwRedlineTable& rRedlineTable = rIDocChangeTrack.GetRedlineTable();
+        const SwRedlineTable::size_type nRedlineCount( rRedlineTable.size() );
+        for ( SwRedlineTable::size_type nActRedline = nIdxOfFirstRedlineForTextNode;
+              nActRedline < nRedlineCount;
+              ++nActRedline)
+        {
+            const SwRangeRedline* pActRedline = rRedlineTable[ nActRedline ];
+            if ( pActRedline->Start()->GetNode() > rTextNode )
+            {
+                break;
+            }
+
+            sal_Int32 nTextNodeChangeTrackStart(COMPLETE_STRING);
+            sal_Int32 nTextNodeChangeTrackEnd(COMPLETE_STRING);
+            pActRedline->CalcStartEnd( rTextNode.GetIndex(),
+                                       nTextNodeChangeTrackStart,
+                                       nTextNodeChangeTrackEnd );
+            if ( nTextNodeChangeTrackStart > nTextFrameTextEndPos ||
+                 nTextNodeChangeTrackEnd < nTextFrameTextStartPos )
+            {
+                // Consider only redlines which overlap with the text frame's text.
+                continue;
+            }
+
+            SwWrongList* pMarkupList( nullptr );
+            switch ( pActRedline->GetType() )
+            {
+                case RedlineType::Insert:
+                {
+                    pMarkupList = opChangeTrackInsertionTextMarkupList.get();
+                }
+                break;
+                case RedlineType::Delete:
+                {
+                    pMarkupList = opChangeTrackDeletionTextMarkupList.get();
+                }
+                break;
+                case RedlineType::Format:
+                {
+                    pMarkupList = opChangeTrackFormatChangeTextMarkupList.get();
+                }
+                break;
+                default:
+                {
+                    // other types are not considered
+                }
+            }
+            if ( pMarkupList )
+            {
+                const sal_Int32 nTextFrameChangeTrackStart =
+                    std::max(nTextNodeChangeTrackStart, nTextFrameTextStartPos);
+
+                const sal_Int32 nTextFrameChangeTrackEnd =
+                    std::min(nTextNodeChangeTrackEnd, nTextFrameTextEndPos);
+
+                pMarkupList->Insert( OUString(), nullptr,
+                                     nTextFrameChangeTrackStart,
+                                     nTextFrameChangeTrackEnd - nTextFrameChangeTrackStart,
+                                     pMarkupList->Count() );
+            }
+        } // eof iteration over the redlines which overlap with the text node
+    }
+} // eof anonymous namespace
+
+SwParaChangeTrackingInfo::SwParaChangeTrackingInfo( const SwTextFrame& rTextFrame )
+    : mrTextFrame( rTextFrame )
+{
+}
+
+SwParaChangeTrackingInfo::~SwParaChangeTrackingInfo()
+{
+    reset();
+}
+
+void SwParaChangeTrackingInfo::reset()
+{
+    mpChangeTrackInsertionTextMarkupList.reset();
+    mpChangeTrackDeletionTextMarkupList.reset();
+    mpChangeTrackFormatChangeTextMarkupList.reset();
+}
+
+const SwWrongList* SwParaChangeTrackingInfo::getChangeTrackingTextMarkupList( const sal_Int32 nTextMarkupType )
+{
+    SwWrongList* pChangeTrackingTextMarkupList = nullptr;
+
+    if ( mpChangeTrackInsertionTextMarkupList == nullptr )
+    {
+        OSL_ENSURE( mpChangeTrackDeletionTextMarkupList == nullptr,
+                "<SwParaChangeTrackingInfo::getChangeTrackingTextMarkupList(..) - <mpChangeTrackDeletionTextMarkupList> expected to be NULL." );
+        OSL_ENSURE( mpChangeTrackFormatChangeTextMarkupList == nullptr,
+                "<SwParaChangeTrackingInfo::getChangeTrackingTextMarkupList(..) - <mpChangeTrackFormatChangeTextMarkupList> expected to be NULL." );
+        initChangeTrackTextMarkupLists( mrTextFrame,
+                                        mpChangeTrackInsertionTextMarkupList,
+                                        mpChangeTrackDeletionTextMarkupList,
+                                        mpChangeTrackFormatChangeTextMarkupList );
+    }
+
+    switch ( nTextMarkupType )
+    {
+        case css::text::TextMarkupType::TRACK_CHANGE_INSERTION:
+        {
+            pChangeTrackingTextMarkupList = mpChangeTrackInsertionTextMarkupList.get();
+        }
+        break;
+        case css::text::TextMarkupType::TRACK_CHANGE_DELETION:
+        {
+            pChangeTrackingTextMarkupList = mpChangeTrackDeletionTextMarkupList.get();
+        }
+        break;
+        case css::text::TextMarkupType::TRACK_CHANGE_FORMATCHANGE:
+        {
+            pChangeTrackingTextMarkupList = mpChangeTrackFormatChangeTextMarkupList.get();
+        }
+        break;
+        default:
+        {
+            OSL_FAIL( "<SwParaChangeTrackingInfo::getChangeTrackingTextMarkupList(..)> - misusage - unexpected text markup type for change tracking." );
+        }
+    }
+
+    return pChangeTrackingTextMarkupList;
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */