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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 <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: */
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