1 files changed, 208 insertions, 0 deletions
diff --git a/xmloff/source/text/XMLPropertyBackpatcher.cxx b/xmloff/source/text/XMLPropertyBackpatcher.cxx
new file mode 100644
index 0000000000..fef92ad213
--- /dev/null
+++ b/xmloff/source/text/XMLPropertyBackpatcher.cxx
@@ -0,0 +1,208 @@
+/* -*- 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 <memory>
+#include <com/sun/star/beans/XPropertySet.hpp>
+#include <com/sun/star/uno/Reference.h>
+
+#include <rtl/ustring.hxx>
+#include "XMLPropertyBackpatcher.hxx"
+#include <utility>
+#include <xmloff/txtimp.hxx>
+
+using ::std::map;
+using ::com::sun::star::uno::Reference;
+using ::com::sun::star::uno::Any;
+using ::com::sun::star::beans::XPropertySet;
+
+
+template<class A>
+XMLPropertyBackpatcher<A>::XMLPropertyBackpatcher(
+    OUString sPropName)
+:   sPropertyName(std::move(sPropName))
+{
+}
+
+
+template<class A>
+XMLPropertyBackpatcher<A>::~XMLPropertyBackpatcher()
+{
+}
+
+
+template<class A>
+void XMLPropertyBackpatcher<A>::ResolveId(
+    const OUString& sName,
+    A aValue)
+{
+    // insert ID into ID map
+    aIDMap[sName] = aValue;
+
+    // backpatch old references, if backpatch list exists
+    auto it = aBackpatchListMap.find(sName);
+    if (it == aBackpatchListMap.end())
+        return;
+
+    // aah, we have a backpatch list!
+    std::unique_ptr<BackpatchListType> pList = std::move(it->second);
+
+    // a) remove list from list map
+    aBackpatchListMap.erase(it);
+
+    // b) for every item, set SequenceNumber
+    //    (and preserve Property, if appropriate)
+    Any aAny;
+    aAny <<= aValue;
+    for(const auto& rBackpatch : *pList)
+    {
+        rBackpatch->setPropertyValue(sPropertyName, aAny);
+    }
+    // else: no backpatch list -> then we're finished
+}
+
+template<class A>
+void XMLPropertyBackpatcher<A>::SetProperty(
+    const Reference<XPropertySet> & xPropSet,
+    const OUString& sName)
+{
+    if (aIDMap.count(sName))
+    {
+        // we know this ID -> set property
+        xPropSet->setPropertyValue(sPropertyName, css::uno::Any(aIDMap[sName]));
+    }
+    else
+    {
+        // ID unknown -> into backpatch list for later fixup
+        if (! aBackpatchListMap.count(sName))
+        {
+            // create backpatch list for this name
+            aBackpatchListMap.emplace(sName, new BackpatchListType);
+        }
+
+        // insert footnote
+        aBackpatchListMap[sName]->push_back(xPropSet);
+    }
+}
+
+// force instantiation of templates
+template class XMLPropertyBackpatcher<sal_Int16>;
+template class XMLPropertyBackpatcher<OUString>;
+
+struct XMLTextImportHelper::BackpatcherImpl
+{
+    /// backpatcher for references to footnotes and endnotes
+    ::std::unique_ptr< XMLPropertyBackpatcher<sal_Int16> >
+        m_pFootnoteBackpatcher;
+
+    /// backpatchers for references to sequences
+    ::std::unique_ptr< XMLPropertyBackpatcher<sal_Int16> >
+        m_pSequenceIdBackpatcher;
+
+    ::std::unique_ptr< XMLPropertyBackpatcher< OUString> >
+        m_pSequenceNameBackpatcher;
+};
+
+std::shared_ptr<XMLTextImportHelper::BackpatcherImpl>
+XMLTextImportHelper::MakeBackpatcherImpl()
+{
+    // n.b.: the shared_ptr stores the dtor!
+    return std::make_shared<BackpatcherImpl>();
+}
+
+static OUString GetSequenceNumber()
+{
+    return "SequenceNumber";
+}
+
+
+// XMLTextImportHelper
+
+// Code from XMLTextImportHelper using the XMLPropertyBackpatcher is
+// implemented here. The reason is that in the unxsols2 environment,
+// all templates are instantiated as file local (switch
+// -instances=static), and thus are not accessible from the outside.
+
+// The previous solution was to force additional instantiation of
+// XMLPropertyBackpatcher in txtimp.cxx. This solution combines all
+// usage of the XMLPropertyBackpatcher in XMLPropertyBackpatcher.cxx
+// instead.
+
+
+XMLPropertyBackpatcher<sal_Int16>& XMLTextImportHelper::GetFootnoteBP()
+{
+    if (!m_xBackpatcherImpl->m_pFootnoteBackpatcher)
+    {
+        m_xBackpatcherImpl->m_pFootnoteBackpatcher.reset(
+            new XMLPropertyBackpatcher<sal_Int16>(GetSequenceNumber()));
+    }
+    return *m_xBackpatcherImpl->m_pFootnoteBackpatcher;
+}
+
+XMLPropertyBackpatcher<sal_Int16>& XMLTextImportHelper::GetSequenceIdBP()
+{
+    if (!m_xBackpatcherImpl->m_pSequenceIdBackpatcher)
+    {
+        m_xBackpatcherImpl->m_pSequenceIdBackpatcher.reset(
+            new XMLPropertyBackpatcher<sal_Int16>(GetSequenceNumber()));
+    }
+    return *m_xBackpatcherImpl->m_pSequenceIdBackpatcher;
+}
+
+XMLPropertyBackpatcher<OUString>& XMLTextImportHelper::GetSequenceNameBP()
+{
+    if (!m_xBackpatcherImpl->m_pSequenceNameBackpatcher)
+    {
+        m_xBackpatcherImpl->m_pSequenceNameBackpatcher.reset(
+            new XMLPropertyBackpatcher<OUString>("SourceName"));
+    }
+    return *m_xBackpatcherImpl->m_pSequenceNameBackpatcher;
+}
+
+void XMLTextImportHelper::InsertFootnoteID(
+    const OUString& sXMLId,
+    sal_Int16 nAPIId)
+{
+    GetFootnoteBP().ResolveId(sXMLId, nAPIId);
+}
+
+void XMLTextImportHelper::ProcessFootnoteReference(
+    const OUString& sXMLId,
+    const Reference<XPropertySet> & xPropSet)
+{
+    GetFootnoteBP().SetProperty(xPropSet, sXMLId);
+}
+
+void XMLTextImportHelper::InsertSequenceID(
+    const OUString& sXMLId,
+    const OUString& sName,
+    sal_Int16 nAPIId)
+{
+    GetSequenceIdBP().ResolveId(sXMLId, nAPIId);
+    GetSequenceNameBP().ResolveId(sXMLId, sName);
+}
+
+void XMLTextImportHelper::ProcessSequenceReference(
+    const OUString& sXMLId,
+    const Reference<XPropertySet> & xPropSet)
+{
+    GetSequenceIdBP().SetProperty(xPropSet, sXMLId);
+    GetSequenceNameBP().SetProperty(xPropSet, sXMLId);
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */