storagexmlstream.hxx

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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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 *   Licensed to the Apache Software Foundation (ASF) under one or more
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#pragma once
 
#include "storagestream.hxx"
 
#include <com/sun/star/xml/sax/XParser.hpp>
#include <com/sun/star/embed/XStorage.hpp>
#include <com/sun/star/uno/XComponentContext.hpp>
#include <com/sun/star/xml/sax/XDocumentHandler.hpp>
#include <comphelper/attributelist.hxx>
#include <rtl/ref.hxx>
#include <stack>
 
namespace dbaccess
{
 
    class StorageXMLOutputStream : public StorageOutputStream
    {
    public:
        StorageXMLOutputStream(
            const css::uno::Reference< css::uno::XComponentContext >& i_rContext,
            const css::uno::Reference< css::embed::XStorage >& i_rParentStorage,
            const OUString& i_rStreamName
        );
        virtual ~StorageXMLOutputStream() override;
 
        void    close();
 
        void    addAttribute( const OUString& i_rName, const OUString& i_rValue ) const;
 
        void    startElement( const OUString& i_rElementName );
        void    endElement();
 
        void    ignorableWhitespace( const OUString& i_rWhitespace ) const;
        void    characters( const OUString& i_rCharacters ) const;
 
    private:
        StorageXMLOutputStream( const StorageXMLOutputStream& ) = delete;
        StorageXMLOutputStream& operator=( const StorageXMLOutputStream& ) = delete;
 
    private:
        css::uno::Reference< css::xml::sax::XDocumentHandler > mxHandler;
        std::stack< OUString > maElements;
        ::rtl::Reference<comphelper::AttributeList> mxAttributes;
    };
 
    class StorageXMLInputStream
    {
    public:
        StorageXMLInputStream(
            const css::uno::Reference< css::uno::XComponentContext >& i_rContext,
            const css::uno::Reference< css::embed::XStorage >& i_rParentStorage,
            const OUString& i_rStreamName
        );
        ~StorageXMLInputStream();
 
        void    import(
                    const css::uno::Reference< css::xml::sax::XDocumentHandler >& i_rHandler
                );
 
        StorageXMLInputStream( const StorageXMLInputStream& ) = delete;
        StorageXMLInputStream& operator=( const StorageXMLInputStream& ) = delete;
 
    private:
        css::uno::Reference< css::xml::sax::XParser >     m_xParser;
        css::uno::Reference< css::io::XInputStream >      m_xInputStream;
    };
 
} // namespace dbaccess
 
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