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Diffstat (limited to 'oox/source/core/fragmenthandler2.cxx')
| -rw-r--r-- | oox/source/core/fragmenthandler2.cxx | 222 |
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: */ |