1 files changed, 176 insertions, 0 deletions
diff --git a/xmloff/source/text/XMLChangedRegionImportContext.cxx b/xmloff/source/text/XMLChangedRegionImportContext.cxx
new file mode 100644
index 0000000000..7143ee4d08
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+++ b/xmloff/source/text/XMLChangedRegionImportContext.cxx
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+/* -*- 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 "XMLChangedRegionImportContext.hxx"
+#include "XMLChangeElementImportContext.hxx"
+#include <com/sun/star/uno/Reference.h>
+#include <com/sun/star/util/DateTime.hpp>
+#include <com/sun/star/text/XTextCursor.hpp>
+
+#include <sal/log.hxx>
+#include <sax/tools/converter.hxx>
+
+#include <xmloff/xmlimp.hxx>
+#include <xmloff/xmlnamespace.hxx>
+#include <xmloff/namespacemap.hxx>
+#include <xmloff/xmltoken.hxx>
+
+
+using namespace ::xmloff::token;
+
+using ::com::sun::star::uno::Reference;
+using ::com::sun::star::text::XTextCursor;
+using namespace ::com::sun::star;
+
+
+XMLChangedRegionImportContext::XMLChangedRegionImportContext(SvXMLImport& rImport) :
+        SvXMLImportContext(rImport),
+        bMergeLastPara(true)
+{
+}
+
+XMLChangedRegionImportContext::~XMLChangedRegionImportContext()
+{
+}
+
+void XMLChangedRegionImportContext::startFastElement(
+    sal_Int32 /*nElement*/,
+    const css::uno::Reference< css::xml::sax::XFastAttributeList >& xAttrList )
+{
+    // process attributes: id
+    bool bHaveXmlId( false );
+    for( auto& aIter : sax_fastparser::castToFastAttributeList(xAttrList) )
+    {
+        switch(aIter.getToken())
+        {
+            case XML_ELEMENT(XML, XML_ID):
+            {
+                sID = aIter.toString();
+                bHaveXmlId = true;
+                break;
+            }
+            case XML_ELEMENT(TEXT, XML_ID):
+            {
+                if (!bHaveXmlId) { sID = aIter.toString(); }
+                break;
+            }
+            case XML_ELEMENT(TEXT, XML_MERGE_LAST_PARAGRAPH):
+            {
+                bool bTmp(false);
+                if (::sax::Converter::convertBool(bTmp, aIter.toView()))
+                {
+                    bMergeLastPara = bTmp;
+                }
+                break;
+            }
+            default:
+                XMLOFF_WARN_UNKNOWN("xmloff", aIter);
+        }
+    }
+}
+
+css::uno::Reference< css::xml::sax::XFastContextHandler > XMLChangedRegionImportContext::createFastChildContext(
+    sal_Int32 nElement, const css::uno::Reference< css::xml::sax::XFastAttributeList >&  )
+{
+    SvXMLImportContextRef xContext;
+
+    // from the ODF 1.2 standard :
+    // The <text:changed-region> element has the following child elements:
+    // <text:deletion>, <text:format-change> and <text:insertion>.
+    if (nElement == XML_ELEMENT(TEXT, XML_INSERTION) ||
+        nElement == XML_ELEMENT(TEXT, XML_DELETION) ||
+        nElement == XML_ELEMENT(TEXT, XML_FORMAT_CHANGE) )
+    {
+        // create XMLChangeElementImportContext for all kinds of changes
+        xContext = new XMLChangeElementImportContext(
+            GetImport(),
+            nElement == XML_ELEMENT(TEXT, XML_DELETION),
+            *this,
+            SvXMLImport::getNameFromToken(nElement));
+    }
+    else
+        XMLOFF_WARN_UNKNOWN_ELEMENT("xmloff", nElement);
+
+    // illegal element content! TODO: discard the redlines
+    // for the moment -> use text
+    // or default if text fail
+
+    return xContext;
+}
+
+void XMLChangedRegionImportContext::endFastElement(sal_Int32 )
+{
+    // restore old XCursor (if necessary)
+    if (xOldCursor.is())
+    {
+        // delete last paragraph
+        // (one extra paragraph was inserted in the beginning)
+        try
+        {
+            GetImport().GetTextImport()->DeleteParagraph();
+        }
+        catch (uno::Exception const&)
+        {   // cursor may be disposed - must reset to old cursor!
+            SAL_INFO("xmloff.text", "XMLChangedRegionImportContext: delete paragraph failed");
+        }
+
+        GetImport().GetTextImport()->SetCursor(xOldCursor);
+        xOldCursor = nullptr;
+    }
+}
+
+void XMLChangedRegionImportContext::SetChangeInfo(
+    const OUString& rType,
+    const OUString& rAuthor,
+    const OUString& rComment,
+    std::u16string_view rDate,
+    const OUString& rMovedID)
+{
+    util::DateTime aDateTime;
+    if (::sax::Converter::parseDateTime(aDateTime, rDate))
+    {
+        GetImport().GetTextImport()->RedlineAdd(
+            rType, sID, rAuthor, rComment, aDateTime, rMovedID, bMergeLastPara);
+    }
+}
+
+void XMLChangedRegionImportContext::UseRedlineText()
+{
+    // if we haven't already installed the redline cursor, do it now
+    if ( xOldCursor.is())
+        return;
+
+    // get TextImportHelper and old Cursor
+    rtl::Reference<XMLTextImportHelper> rHelper(GetImport().GetTextImport());
+    Reference<XTextCursor> xCursor( rHelper->GetCursor() );
+
+    // create Redline and new Cursor
+    Reference<XTextCursor> xNewCursor =
+        rHelper->RedlineCreateText(xCursor, sID);
+
+    if (xNewCursor.is())
+    {
+        // save old cursor and install new one
+        xOldCursor = xCursor;
+        rHelper->SetCursor( xNewCursor );
+    }
+    // else: leave as is
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */