office-gobmx/xmloff/source/meta/MetaImportComponent.cxx
Noel Grandin 8041a9b1fd return nullptr from Create*Context methods in nullptr subclasses
the calling class handles this nicely, and also tells us when we are not
handling some part of the XML file

Change-Id: Ic51a42b9d2dec96243e7f83b528d7455d4bc0504
Reviewed-on: https://gerrit.libreoffice.org/c/core/+/86906
Tested-by: Jenkins
Reviewed-by: Noel Grandin <noel.grandin@collabora.co.uk>
2020-01-16 10:52:19 +01:00

97 lines
3.3 KiB
C++

/* -*- 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 <xmloff/xmlnmspe.hxx>
#include <xmloff/xmltoken.hxx>
#include <xmloff/xmlmetai.hxx>
#include <xmloff/xmlimp.hxx>
#include <com/sun/star/uno/Reference.hxx>
#include <com/sun/star/document/XDocumentProperties.hpp>
#include <com/sun/star/lang/IllegalArgumentException.hpp>
using namespace ::com::sun::star;
using namespace ::xmloff::token;
namespace {
class XMLMetaImportComponent : public SvXMLImport
{
private:
css::uno::Reference< css::document::XDocumentProperties> mxDocProps;
public:
// XMLMetaImportComponent() throw();
explicit XMLMetaImportComponent(
const css::uno::Reference< css::uno::XComponentContext >& xContext
);
protected:
virtual SvXMLImportContext *CreateFastContext( sal_Int32 nElement,
const ::css::uno::Reference< ::css::xml::sax::XFastAttributeList >& xAttrList ) override;
// XImporter
virtual void SAL_CALL setTargetDocument( const css::uno::Reference< css::lang::XComponent >& xDoc ) override;
};
}
// global functions to support the component
extern "C" SAL_DLLPUBLIC_EXPORT css::uno::XInterface *
XMLMetaImportComponent_get_implementation(
css::uno::XComponentContext *context,
css::uno::Sequence<css::uno::Any> const &)
{
return cppu::acquire(new XMLMetaImportComponent(context));
}
XMLMetaImportComponent::XMLMetaImportComponent(
const uno::Reference< uno::XComponentContext >& xContext)
: SvXMLImport(xContext, ""), mxDocProps()
{
}
SvXMLImportContext *XMLMetaImportComponent::CreateFastContext( sal_Int32 nElement,
const uno::Reference< xml::sax::XFastAttributeList >& /*xAttrList*/ )
{
if (nElement == XML_ELEMENT( OFFICE, XML_DOCUMENT_META ))
{
if (!mxDocProps.is()) {
throw uno::RuntimeException(
"XMLMetaImportComponent::CreateFastContext: setTargetDocument "
"has not been called", *this);
}
return new SvXMLMetaDocumentContext(
*this, mxDocProps);
}
return nullptr;
}
void SAL_CALL XMLMetaImportComponent::setTargetDocument(
const uno::Reference< lang::XComponent >& xDoc )
{
mxDocProps.set( xDoc, uno::UNO_QUERY );
if( !mxDocProps.is() )
throw lang::IllegalArgumentException(
"XMLMetaImportComponent::setTargetDocument: argument is no "
"XDocumentProperties", uno::Reference<uno::XInterface>(*this), 0);
}
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */