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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 .
*/
#ifndef SAX_FASTSERIALIZER_HXX
#define SAX_FASTSERIALIZER_HXX
#include <com/sun/star/xml/sax/XFastSerializer.hpp>
#include <com/sun/star/xml/sax/XFastTokenHandler.hpp>
#include <com/sun/star/lang/XServiceInfo.hpp>
#include <com/sun/star/io/XOutputStream.hpp>
#include <cppuhelper/implbase2.hxx>
#include <rtl/byteseq.hxx>
#include <stack>
#include <map>
#include <boost/shared_ptr.hpp>
#include "sax/fshelper.hxx"
#define SERIALIZER_IMPLEMENTATION_NAME "com.sun.star.comp.extensions.xml.sax.FastSerializer"
#define SERIALIZER_SERVICE_NAME "com.sun.star.xml.sax.FastSerializer"
namespace sax_fastparser {
class SAX_DLLPUBLIC FastSaxSerializer : public ::cppu::WeakImplHelper2< ::com::sun::star::xml::sax::XFastSerializer, ::com::sun::star::lang::XServiceInfo >
{
typedef ::com::sun::star::uno::Sequence< ::sal_Int8 > Int8Sequence;
typedef ::com::sun::star::uno::Sequence< ::sal_Int32 > Int32Sequence;
public:
explicit FastSaxSerializer( );
virtual ~FastSaxSerializer();
::com::sun::star::uno::Reference< ::com::sun::star::io::XOutputStream > getOutputStream() {return mxOutputStream;}
// The implementation details
static ::com::sun::star::uno::Sequence< ::rtl::OUString > getSupportedServiceNames_Static(void);
// XFastSerializer
virtual void SAL_CALL startDocument( ) throw (::com::sun::star::xml::sax::SAXException, ::com::sun::star::uno::RuntimeException);
virtual void SAL_CALL endDocument( ) throw (::com::sun::star::xml::sax::SAXException, ::com::sun::star::uno::RuntimeException);
virtual void SAL_CALL startFastElement( ::sal_Int32 Element, const ::com::sun::star::uno::Reference< ::com::sun::star::xml::sax::XFastAttributeList >& Attribs )
throw (::com::sun::star::xml::sax::SAXException, ::com::sun::star::uno::RuntimeException);
virtual void SAL_CALL startUnknownElement( const ::rtl::OUString& Namespace, const ::rtl::OUString& Name, const ::com::sun::star::uno::Reference< ::com::sun::star::xml::sax::XFastAttributeList >& Attribs )
throw (::com::sun::star::xml::sax::SAXException, ::com::sun::star::uno::RuntimeException);
virtual void SAL_CALL endFastElement( ::sal_Int32 Element )
throw (::com::sun::star::xml::sax::SAXException, ::com::sun::star::uno::RuntimeException);
virtual void SAL_CALL endUnknownElement( const ::rtl::OUString& Namespace, const ::rtl::OUString& Name )
throw (::com::sun::star::xml::sax::SAXException, ::com::sun::star::uno::RuntimeException);
virtual void SAL_CALL singleFastElement( ::sal_Int32 Element, const ::com::sun::star::uno::Reference< ::com::sun::star::xml::sax::XFastAttributeList >& Attribs )
throw (::com::sun::star::xml::sax::SAXException, ::com::sun::star::uno::RuntimeException);
virtual void SAL_CALL singleUnknownElement( const ::rtl::OUString& Namespace, const ::rtl::OUString& Name, const ::com::sun::star::uno::Reference< ::com::sun::star::xml::sax::XFastAttributeList >& Attribs )
throw (::com::sun::star::xml::sax::SAXException, ::com::sun::star::uno::RuntimeException);
virtual void SAL_CALL characters( const ::rtl::OUString& aChars )
throw (::com::sun::star::xml::sax::SAXException, ::com::sun::star::uno::RuntimeException);
virtual void SAL_CALL setOutputStream( const ::com::sun::star::uno::Reference< ::com::sun::star::io::XOutputStream >& xOutputStream )
throw (::com::sun::star::uno::RuntimeException);
virtual void SAL_CALL setFastTokenHandler( const ::com::sun::star::uno::Reference< ::com::sun::star::xml::sax::XFastTokenHandler >& xFastTokenHandler )
throw (::com::sun::star::uno::RuntimeException);
// XServiceInfo
virtual ::rtl::OUString SAL_CALL getImplementationName( ) throw ( ::com::sun::star::uno::RuntimeException );
virtual sal_Bool SAL_CALL supportsService( const ::rtl::OUString& ServiceName ) throw ( ::com::sun::star::uno::RuntimeException );
virtual ::com::sun::star::uno::Sequence< ::rtl::OUString > SAL_CALL getSupportedServiceNames( ) throw ( ::com::sun::star::uno::RuntimeException );
// C++ helpers
virtual void SAL_CALL writeId( ::sal_Int32 Element );
static ::rtl::OUString escapeXml( const ::rtl::OUString& s );
public:
/** From now on, don't write directly to the stream, but to top of a stack.
This is to be able to change the order of the data being written.
If you need to write eg.
p, r, rPr, [something], /rPr, t, [text], /r, /p,
but get it in order
p, r, t, [text], /t, rPr, [something], /rPr, /r, /p,
simply do
p, r, mark(), t, [text], /t, mark(), rPr, [something], /rPr,
mergeTopMarks( true ), mergeTopMarks(), /r, /p
and you are done.
*/
void mark( Int32Sequence aOrder = Int32Sequence() );
/** Merge 2 topmost marks.
There are 3 possibilities - prepend the top before the second top-most
mark, append it, or append it later; prepending brings the possibility
to switch parts of the output, appending later allows to write some
output in advance.
Writes the result to the output stream if the mark stack becomes empty
by the operation.
When the MERGE_MARKS_POSTPONE is specified, the merge happens just
before the next merge.
@see mark()
*/
void mergeTopMarks( sax_fastparser::MergeMarksEnum eMergeType = sax_fastparser::MERGE_MARKS_APPEND );
private:
::com::sun::star::uno::Reference< ::com::sun::star::io::XOutputStream > mxOutputStream;
::com::sun::star::uno::Reference< ::com::sun::star::xml::sax::XFastTokenHandler > mxFastTokenHandler;
class ForMerge
{
Int8Sequence maData;
Int8Sequence maPostponed;
public:
ForMerge() : maData(), maPostponed() {}
virtual ~ForMerge() {}
virtual void setCurrentElement( ::sal_Int32 /*nToken*/ ) {}
virtual Int8Sequence& getData();
#if DEBUG
virtual void print();
#endif
virtual void prepend( const Int8Sequence &rWhat );
virtual void append( const Int8Sequence &rWhat );
void postpone( const Int8Sequence &rWhat );
protected:
void resetData( );
static void merge( Int8Sequence &rTop, const Int8Sequence &rMerge, bool bAppend );
};
class ForSort : public ForMerge
{
std::map< ::sal_Int32, Int8Sequence > maData;
sal_Int32 mnCurrentElement;
Int32Sequence maOrder;
public:
ForSort( Int32Sequence aOrder ) :
ForMerge(),
maData(),
mnCurrentElement( 0 ),
maOrder( aOrder ) {}
void setCurrentElement( ::sal_Int32 nToken );
virtual Int8Sequence& getData();
#if DEBUG
virtual void print();
#endif
virtual void prepend( const Int8Sequence &rWhat );
virtual void append( const Int8Sequence &rWhat );
private:
void sort();
};
::std::stack< boost::shared_ptr< ForMerge > > maMarkStack;
void writeFastAttributeList( const ::com::sun::star::uno::Reference< ::com::sun::star::xml::sax::XFastAttributeList >& Attribs );
void write( const ::rtl::OUString& s );
protected:
rtl::ByteSequence maClosingBracket;
rtl::ByteSequence maSlashAndClosingBracket;
rtl::ByteSequence maColon;
rtl::ByteSequence maOpeningBracket;
rtl::ByteSequence maOpeningBracketAndSlash;
rtl::ByteSequence maQuote;
rtl::ByteSequence maEqualSignAndQuote;
rtl::ByteSequence maSpace;
/** Forward the call to the output stream, or write to the stack.
The latter in the case that we are inside a mark().
*/
void writeBytes( const ::com::sun::star::uno::Sequence< ::sal_Int8 >& aData ) throw (::com::sun::star::io::NotConnectedException, ::com::sun::star::io::BufferSizeExceededException, ::com::sun::star::io::IOException, ::com::sun::star::uno::RuntimeException);
};
} // namespace sax_fastparser
#endif
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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