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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 "storagexmlstream.hxx"
#include <com/sun/star/embed/ElementModes.hpp>
#include <com/sun/star/xml/sax/XDocumentHandler.hpp>
#include <com/sun/star/xml/sax/Parser.hpp>
#include <com/sun/star/xml/sax/Writer.hpp>
#include <rtl/ref.hxx>
#include <tools/diagnose_ex.h>
#include <xmloff/attrlist.hxx>
#include <stack>
namespace dbaccess
{
using ::com::sun::star::uno::Reference;
using ::com::sun::star::uno::UNO_QUERY_THROW;
using ::com::sun::star::uno::XComponentContext;
using ::com::sun::star::embed::XStorage;
using ::com::sun::star::xml::sax::XDocumentHandler;
using ::com::sun::star::xml::sax::XWriter;
using ::com::sun::star::xml::sax::Writer;
using ::com::sun::star::xml::sax::Parser;
using ::com::sun::star::xml::sax::InputSource;
// StorageXMLOutputStream_Data
struct StorageXMLOutputStream_Data
{
Reference< XDocumentHandler > xHandler;
std::stack< OUString > aElements;
::rtl::Reference< SvXMLAttributeList > xAttributes;
};
// StorageXMLOutputStream
StorageXMLOutputStream::StorageXMLOutputStream( const Reference<XComponentContext>& i_rContext,
const Reference< XStorage >& i_rParentStorage,
const OUString& i_rStreamName )
:StorageOutputStream( i_rParentStorage, i_rStreamName )
,m_pData( new StorageXMLOutputStream_Data )
{
const Reference< XWriter > xSaxWriter = Writer::create( i_rContext );
xSaxWriter->setOutputStream( getOutputStream() );
m_pData->xHandler.set( xSaxWriter, UNO_QUERY_THROW );
m_pData->xHandler->startDocument();
m_pData->xAttributes = new SvXMLAttributeList;
}
StorageXMLOutputStream::~StorageXMLOutputStream()
{
}
void StorageXMLOutputStream::close()
{
ENSURE_OR_RETURN_VOID( m_pData->xHandler.is(), "illegal document handler" );
m_pData->xHandler->endDocument();
// do not call the base class, it would call closeOutput on the output stream, which is already done by
// endDocument
}
void StorageXMLOutputStream::addAttribute( const OUString& i_rName, const OUString& i_rValue ) const
{
m_pData->xAttributes->AddAttribute( i_rName, i_rValue );
}
void StorageXMLOutputStream::startElement( const OUString& i_rElementName ) const
{
ENSURE_OR_RETURN_VOID( m_pData->xHandler.is(), "no document handler" );
m_pData->xHandler->startElement( i_rElementName, m_pData->xAttributes.get() );
m_pData->xAttributes = new SvXMLAttributeList;
m_pData->aElements.push( i_rElementName );
}
void StorageXMLOutputStream::endElement() const
{
ENSURE_OR_RETURN_VOID( m_pData->xHandler.is(), "no document handler" );
ENSURE_OR_RETURN_VOID( !m_pData->aElements.empty(), "no element on the stack" );
const OUString sElementName( m_pData->aElements.top() );
m_pData->xHandler->endElement( sElementName );
m_pData->aElements.pop();
}
void StorageXMLOutputStream::ignorableWhitespace( const OUString& i_rWhitespace ) const
{
ENSURE_OR_RETURN_VOID( m_pData->xHandler.is(), "no document handler" );
m_pData->xHandler->ignorableWhitespace( i_rWhitespace );
}
void StorageXMLOutputStream::characters( const OUString& i_rCharacters ) const
{
ENSURE_OR_RETURN_VOID( m_pData->xHandler.is(), "no document handler" );
m_pData->xHandler->characters( i_rCharacters );
}
// StorageXMLInputStream
StorageXMLInputStream::StorageXMLInputStream( const Reference<XComponentContext>& i_rContext,
const Reference< XStorage >& i_rParentStorage,
const OUString& i_rStreamName )
{
ENSURE_OR_THROW( i_rParentStorage.is(), "illegal stream" );
const Reference< css::io::XStream > xStream(
i_rParentStorage->openStreamElement( i_rStreamName, css::embed::ElementModes::READ ), css::uno::UNO_SET_THROW );
m_xInputStream.set( xStream->getInputStream(), css::uno::UNO_SET_THROW );
m_xParser.set( Parser::create(i_rContext) );
}
void StorageXMLInputStream::import( const Reference< XDocumentHandler >& i_rHandler )
{
ENSURE_OR_THROW( i_rHandler.is(), "illegal document handler (NULL)" );
InputSource aInputSource;
aInputSource.aInputStream = m_xInputStream;
m_xParser->setDocumentHandler( i_rHandler );
m_xParser->parseStream( aInputSource );
}
StorageXMLInputStream::~StorageXMLInputStream()
{
}
} // namespace dbaccess
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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