1 files changed, 95 insertions, 0 deletions
diff --git a/oox/source/core/relationshandler.cxx b/oox/source/core/relationshandler.cxx
new file mode 100644
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+++ b/oox/source/core/relationshandler.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 <sal/config.h>
+
+#include <string_view>
+
+#include <oox/core/relationshandler.hxx>
+
+#include <sal/log.hxx>
+#include <oox/helper/attributelist.hxx>
+#include <oox/token/namespaces.hxx>
+#include <oox/token/tokens.hxx>
+
+namespace oox::core {
+
+using namespace ::com::sun::star::uno;
+using namespace ::com::sun::star::xml::sax;
+
+namespace {
+
+/*  Build path to relations file from passed fragment path, e.g.:
+        'path/path/file.xml'    -> 'path/path/_rels/file.xml.rels'
+        'file.xml'              -> '_rels/file.xml.rels'
+        ''                      -> '_rels/.rels'
+ */
+OUString lclGetRelationsPath( const OUString& rFragmentPath )
+{
+    sal_Int32 nPathLen = ::std::max< sal_Int32 >( rFragmentPath.lastIndexOf( '/' ) + 1, 0 );
+    return OUString::Concat(std::u16string_view(rFragmentPath.getStr(), nPathLen )) +    // file path including slash
+        "_rels/" +                                // additional '_rels/' path
+        std::u16string_view(rFragmentPath.getStr() + nPathLen) +  // file name after path
+        ".rels";                                 // '.rels' suffix
+}
+
+} // namespace
+
+RelationsFragment::RelationsFragment( XmlFilterBase& rFilter, const RelationsRef& xRelations ) :
+    FragmentHandler( rFilter, lclGetRelationsPath( xRelations->getFragmentPath() ), xRelations ),
+    mxRelations( xRelations )
+{
+}
+
+Reference< XFastContextHandler > RelationsFragment::createFastChildContext(
+        sal_Int32 nElement, const Reference< XFastAttributeList >& rxAttribs )
+{
+    Reference< XFastContextHandler > xRet;
+    AttributeList aAttribs( rxAttribs );
+    switch( nElement )
+    {
+        case PR_TOKEN( Relationship ):
+        {
+            Relation aRelation;
+            aRelation.maId     = aAttribs.getString( XML_Id, OUString() );
+            aRelation.maType   = aAttribs.getString( XML_Type, OUString() );
+            aRelation.maTarget = aAttribs.getString( XML_Target, OUString() );
+            if( !aRelation.maId.isEmpty() && !aRelation.maType.isEmpty() && !aRelation.maTarget.isEmpty() )
+            {
+                sal_Int32 nTargetMode = aAttribs.getToken( XML_TargetMode, XML_Internal );
+                SAL_WARN_IF( (nTargetMode != XML_Internal) && (nTargetMode != XML_External), "oox",
+                    "RelationsFragment::createFastChildContext - unexpected target mode, assuming external" );
+                aRelation.mbExternal = nTargetMode != XML_Internal;
+
+                SAL_WARN_IF( mxRelations->count( aRelation.maId ) != 0, "oox",
+                    "RelationsFragment::createFastChildContext - relation identifier exists already" );
+                mxRelations->emplace( aRelation.maId, aRelation );
+            }
+        }
+        break;
+        case PR_TOKEN( Relationships ):
+            xRet = getFastContextHandler();
+        break;
+    }
+    return xRet;
+}
+
+} // namespace oox::core
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */