Adding upstream version 1:7.0.4.upstream/1%7.0.4upstream

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

1 files changed, 222 insertions, 0 deletions

diff --git a/oox/source/core/fragmenthandler2.cxx b/oox/source/core/fragmenthandler2.cxx
new file mode 100644
index 000000000..121f34437
--- /dev/null
+++ b/oox/source/core/fragmenthandler2.cxx
@@ -0,0 +1,222 @@
+/* -*- 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 <com/sun/star/frame/XModel.hpp>
+#include <oox/core/fragmenthandler2.hxx>
+#include <oox/core/xmlfilterbase.hxx>
+#include <oox/helper/attributelist.hxx>
+#include <oox/token/namespaces.hxx>
+#include <oox/token/tokens.hxx>
+
+namespace oox::core {
+
+using namespace ::com::sun::star;
+using namespace ::com::sun::star::uno;
+using namespace ::com::sun::star::xml::sax;
+
+FragmentHandler2::FragmentHandler2( XmlFilterBase& rFilter, const OUString& rFragmentPath, bool bEnableTrimSpace ) :
+    FragmentHandler( rFilter, rFragmentPath ),
+    ContextHandler2Helper( bEnableTrimSpace )
+{
+}
+
+FragmentHandler2::~FragmentHandler2()
+{
+}
+
+// com.sun.star.xml.sax.XFastDocumentHandler interface --------------------
+
+void SAL_CALL FragmentHandler2::startDocument()
+{
+    initializeImport();
+}
+
+void SAL_CALL FragmentHandler2::endDocument()
+{
+    finalizeImport();
+}
+
+bool FragmentHandler2::prepareMceContext( sal_Int32 nElement, const AttributeList& rAttribs )
+{
+    switch( nElement )
+    {
+        case MCE_TOKEN( AlternateContent ):
+            aMceState.push_back( MCE_STATE::Started );
+            break;
+
+        case MCE_TOKEN( Choice ):
+            {
+                if (aMceState.empty() || aMceState.back() != MCE_STATE::Started)
+                    return false;
+
+                OUString aRequires = rAttribs.getString( XML_Requires, "none" );
+
+                // At this point we can't access namespaces as the correct xml filter
+                // is long gone. For now let's decide depending on a list of supported
+                // namespaces like we do in writerfilter
+
+                std::vector<OUString> aSupportedNS =
+                {
+                    "a14", // Impress needs this to import math formulas.
+                    "p14",
+                    "p15",
+                    "x12ac",
+                    "v",
+                };
+
+                uno::Reference<lang::XServiceInfo> xModel(getFilter().getModel(), uno::UNO_QUERY);
+                if (xModel.is() && xModel->supportsService("com.sun.star.sheet.SpreadsheetDocument"))
+                {
+                    // No a14 for Calc documents, it would cause duplicated shapes as-is.
+                    auto it = std::find(aSupportedNS.begin(), aSupportedNS.end(), "a14");
+                    if (it != aSupportedNS.end())
+                    {
+                        aSupportedNS.erase(it);
+                    }
+                }
+
+                if (std::find(aSupportedNS.begin(), aSupportedNS.end(), aRequires) != aSupportedNS.end())
+                    aMceState.back() = MCE_STATE::FoundChoice;
+                else
+                    return false;
+            }
+            break;
+
+        case MCE_TOKEN( Fallback ):
+            if( !aMceState.empty() && aMceState.back() == MCE_STATE::Started )
+                break;
+            return false;
+        default:
+            {
+                OUString str = rAttribs.getString( MCE_TOKEN( Ignorable ), OUString() );
+                if( !str.isEmpty() )
+                {
+                    // Sequence< css::xml::FastAttribute > attrs = rAttribs.getFastAttributeList()->getFastAttributes();
+                    // printf("MCE: %s\n", OUStringToOString( str, RTL_TEXTENCODING_UTF8 ).getStr() );
+                    // TODO: Check & Get the namespaces in "Ignorable"
+                    // printf("NS: %d : %s\n", attrs.getLength(), OUStringToOString( str, RTL_TEXTENCODING_UTF8 ).getStr() );
+                }
+            }
+            return false;
+    }
+    return true;
+}
+
+// com.sun.star.xml.sax.XFastContextHandler interface -------------------------
+
+Reference< XFastContextHandler > SAL_CALL FragmentHandler2::createFastChildContext(
+        sal_Int32 nElement, const Reference< XFastAttributeList >& rxAttribs )
+{
+    if( getNamespace( nElement ) == NMSP_mce ) // TODO for checking 'Ignorable'
+    {
+        if( prepareMceContext( nElement, AttributeList( rxAttribs ) ) )
+            return getFastContextHandler();
+        return nullptr;
+    }
+    return implCreateChildContext( nElement, rxAttribs );
+}
+
+void SAL_CALL FragmentHandler2::startFastElement(
+        sal_Int32 nElement, const Reference< XFastAttributeList >& rxAttribs )
+{
+    implStartElement( nElement, rxAttribs );
+}
+
+void SAL_CALL FragmentHandler2::characters( const OUString& rChars )
+{
+    implCharacters( rChars );
+}
+
+void SAL_CALL FragmentHandler2::endFastElement( sal_Int32 nElement )
+{
+    /* If MCE */
+    switch( nElement )
+    {
+        case MCE_TOKEN( AlternateContent ):
+            aMceState.pop_back();
+            break;
+    }
+
+    implEndElement( nElement );
+}
+
+// oox.core.ContextHandler interface ------------------------------------------
+
+ContextHandlerRef FragmentHandler2::createRecordContext( sal_Int32 nRecId, SequenceInputStream& rStrm )
+{
+    return implCreateRecordContext( nRecId, rStrm );
+}
+
+void FragmentHandler2::startRecord( sal_Int32 nRecId, SequenceInputStream& rStrm )
+{
+    implStartRecord( nRecId, rStrm );
+}
+
+void FragmentHandler2::endRecord( sal_Int32 nRecId )
+{
+    implEndRecord( nRecId );
+}
+
+// oox.core.ContextHandler2Helper interface -----------------------------------
+
+ContextHandlerRef FragmentHandler2::onCreateContext( sal_Int32, const AttributeList& )
+{
+    return nullptr;
+}
+
+void FragmentHandler2::onStartElement( const AttributeList& )
+{
+}
+
+void FragmentHandler2::onCharacters( const OUString& )
+{
+}
+
+void FragmentHandler2::onEndElement()
+{
+}
+
+ContextHandlerRef FragmentHandler2::onCreateRecordContext( sal_Int32, SequenceInputStream& )
+{
+    return nullptr;
+}
+
+void FragmentHandler2::onStartRecord( SequenceInputStream& )
+{
+}
+
+void FragmentHandler2::onEndRecord()
+{
+}
+
+// oox.core.FragmentHandler2 interface ----------------------------------------
+
+void FragmentHandler2::initializeImport()
+{
+}
+
+void FragmentHandler2::finalizeImport()
+{
+}
+
+} // namespace oox::core
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */