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, 221 insertions, 0 deletions

diff --git a/sw/source/core/access/textmarkuphelper.cxx b/sw/source/core/access/textmarkuphelper.cxx
new file mode 100644
index 000000000..5329241c6
--- /dev/null
+++ b/sw/source/core/access/textmarkuphelper.cxx
@@ -0,0 +1,221 @@
+/* -*- 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 "textmarkuphelper.hxx"
+#include "accportions.hxx"
+
+#include <vector>
+
+#include <com/sun/star/text/TextMarkupType.hpp>
+#include <com/sun/star/accessibility/TextSegment.hpp>
+#include <com/sun/star/lang/IndexOutOfBoundsException.hpp>
+#include <com/sun/star/lang/IllegalArgumentException.hpp>
+
+#include <comphelper/sequence.hxx>
+#include <osl/diagnose.h>
+#include <ndtxt.hxx>
+#include <wrong.hxx>
+
+using namespace com::sun::star;
+
+// helper functions
+namespace {
+    /// @throws css::lang::IllegalArgumentException
+    /// @throws css::uno::RuntimeException
+    SwWrongList const* (SwTextNode::*
+        getTextMarkupFunc(const sal_Int32 nTextMarkupType))() const
+    {
+        switch ( nTextMarkupType )
+        {
+            case text::TextMarkupType::SPELLCHECK:
+            {
+                return &SwTextNode::GetWrong;
+            }
+            break;
+            case text::TextMarkupType::PROOFREADING:
+            {
+                // support not implemented yet
+                return nullptr;
+            }
+            break;
+            case text::TextMarkupType::SMARTTAG:
+            {
+                // support not implemented yet
+                return nullptr;
+            }
+            break;
+            default:
+            {
+                throw lang::IllegalArgumentException();
+            }
+        }
+    }
+}
+
+// implementation of class <SwTextMarkupoHelper>
+SwTextMarkupHelper::SwTextMarkupHelper( const SwAccessiblePortionData& rPortionData,
+                                        const SwTextFrame& rTextFrame)
+    : mrPortionData( rPortionData )
+    , m_pTextFrame(&rTextFrame)
+    , mpTextMarkupList( nullptr )
+{
+}
+
+// #i108125#
+SwTextMarkupHelper::SwTextMarkupHelper( const SwAccessiblePortionData& rPortionData,
+                                        const SwWrongList& rTextMarkupList )
+    : mrPortionData( rPortionData )
+    , m_pTextFrame( nullptr )
+    , mpTextMarkupList( &rTextMarkupList )
+{
+}
+
+sal_Int32 SwTextMarkupHelper::getTextMarkupCount( const sal_Int32 nTextMarkupType )
+{
+    sal_Int32 nTextMarkupCount( 0 );
+
+    if (mpTextMarkupList)
+    {
+        nTextMarkupCount = mpTextMarkupList->Count();
+    }
+    else
+    {
+        assert(m_pTextFrame);
+        SwWrongList const* (SwTextNode::*const pGetWrongList)() const = getTextMarkupFunc(nTextMarkupType);
+        if (pGetWrongList)
+        {
+            sw::WrongListIteratorCounter iter(*m_pTextFrame, pGetWrongList);
+            nTextMarkupCount = iter.GetElementCount();
+        }
+    }
+
+    return nTextMarkupCount;
+}
+
+css::accessibility::TextSegment
+        SwTextMarkupHelper::getTextMarkup( const sal_Int32 nTextMarkupIndex,
+                                           const sal_Int32 nTextMarkupType )
+{
+    if ( nTextMarkupIndex >= getTextMarkupCount( nTextMarkupType ) ||
+         nTextMarkupIndex < 0 )
+    {
+        throw lang::IndexOutOfBoundsException();
+    }
+
+    css::accessibility::TextSegment aTextMarkupSegment;
+    aTextMarkupSegment.SegmentStart = -1;
+    aTextMarkupSegment.SegmentEnd = -1;
+
+    std::unique_ptr<sw::WrongListIteratorCounter> pIter;
+    if (mpTextMarkupList)
+    {
+        pIter.reset(new sw::WrongListIteratorCounter(*mpTextMarkupList));
+    }
+    else
+    {
+        assert(m_pTextFrame);
+        SwWrongList const* (SwTextNode::*const pGetWrongList)() const = getTextMarkupFunc(nTextMarkupType);
+        if (pGetWrongList)
+        {
+            pIter.reset(new sw::WrongListIteratorCounter(*m_pTextFrame, pGetWrongList));
+        }
+    }
+
+    if (pIter)
+    {
+        auto const oElement(pIter->GetElementAt(nTextMarkupIndex));
+        if (oElement)
+        {
+            const OUString& rText = mrPortionData.GetAccessibleString();
+            const sal_Int32 nStartPos =
+                            mrPortionData.GetAccessiblePosition(oElement->first);
+            const sal_Int32 nEndPos =
+                            mrPortionData.GetAccessiblePosition(oElement->second);
+            aTextMarkupSegment.SegmentText = rText.copy( nStartPos, nEndPos - nStartPos );
+            aTextMarkupSegment.SegmentStart = nStartPos;
+            aTextMarkupSegment.SegmentEnd = nEndPos;
+        }
+        else
+        {
+            OSL_FAIL( "<SwTextMarkupHelper::getTextMarkup(..)> - missing <SwWrongArea> instance" );
+        }
+    }
+
+    return aTextMarkupSegment;
+}
+
+css::uno::Sequence< css::accessibility::TextSegment >
+        SwTextMarkupHelper::getTextMarkupAtIndex( const sal_Int32 nCharIndex,
+                                                  const sal_Int32 nTextMarkupType )
+{
+    // assumption:
+    // value of <nCharIndex> is in range [0..length of accessible text)
+
+    const TextFrameIndex nCoreCharIndex = mrPortionData.GetCoreViewPosition(nCharIndex);
+    // Handling of portions with core length == 0 at the beginning of the
+    // paragraph - e.g. numbering portion.
+    if ( mrPortionData.GetAccessiblePosition( nCoreCharIndex ) > nCharIndex )
+    {
+        return uno::Sequence< css::accessibility::TextSegment >();
+    }
+
+    std::unique_ptr<sw::WrongListIteratorCounter> pIter;
+    if (mpTextMarkupList)
+    {
+        pIter.reset(new sw::WrongListIteratorCounter(*mpTextMarkupList));
+    }
+    else
+    {
+        assert(m_pTextFrame);
+        SwWrongList const* (SwTextNode::*const pGetWrongList)() const = getTextMarkupFunc(nTextMarkupType);
+        if (pGetWrongList)
+        {
+            pIter.reset(new sw::WrongListIteratorCounter(*m_pTextFrame, pGetWrongList));
+        }
+    }
+
+    std::vector< css::accessibility::TextSegment > aTmpTextMarkups;
+    if (pIter)
+    {
+        const OUString& rText = mrPortionData.GetAccessibleString();
+        sal_uInt16 count(pIter->GetElementCount());
+        for (sal_uInt16 i = 0; i < count; ++i)
+        {
+            auto const oElement(pIter->GetElementAt(i));
+            if (oElement &&
+                oElement->first <= nCoreCharIndex &&
+                nCoreCharIndex < oElement->second)
+            {
+                const sal_Int32 nStartPos =
+                    mrPortionData.GetAccessiblePosition(oElement->first);
+                const sal_Int32 nEndPos =
+                    mrPortionData.GetAccessiblePosition(oElement->second);
+                css::accessibility::TextSegment aTextMarkupSegment;
+                aTextMarkupSegment.SegmentText = rText.copy( nStartPos, nEndPos - nStartPos );
+                aTextMarkupSegment.SegmentStart = nStartPos;
+                aTextMarkupSegment.SegmentEnd = nEndPos;
+                aTmpTextMarkups.push_back( aTextMarkupSegment );
+            }
+        }
+    }
+
+    return comphelper::containerToSequence(aTmpTextMarkups  );
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */