LCOV - code coverage report
Current view: top level - sax/source/tools - fastserializer.hxx (source / functions) Hit Total Coverage
Test: commit e02a6cb2c3e2b23b203b422e4e0680877f232636 Lines: 0 7 0.0 %
Date: 2014-04-14 Functions: 0 8 0.0 %
Legend: Lines: hit not hit

          Line data    Source code
       1             : /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
       2             : /*
       3             :  * This file is part of the LibreOffice project.
       4             :  *
       5             :  * This Source Code Form is subject to the terms of the Mozilla Public
       6             :  * License, v. 2.0. If a copy of the MPL was not distributed with this
       7             :  * file, You can obtain one at http://mozilla.org/MPL/2.0/.
       8             :  *
       9             :  * This file incorporates work covered by the following license notice:
      10             :  *
      11             :  *   Licensed to the Apache Software Foundation (ASF) under one or more
      12             :  *   contributor license agreements. See the NOTICE file distributed
      13             :  *   with this work for additional information regarding copyright
      14             :  *   ownership. The ASF licenses this file to you under the Apache
      15             :  *   License, Version 2.0 (the "License"); you may not use this file
      16             :  *   except in compliance with the License. You may obtain a copy of
      17             :  *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
      18             :  */
      19             : 
      20             : #ifndef SAX_FASTSERIALIZER_HXX
      21             : #define SAX_FASTSERIALIZER_HXX
      22             : 
      23             : #include <com/sun/star/xml/sax/XFastTokenHandler.hpp>
      24             : #include <com/sun/star/io/XOutputStream.hpp>
      25             : #include <rtl/byteseq.hxx>
      26             : 
      27             : #include <stack>
      28             : #include <map>
      29             : 
      30             : #include <boost/shared_ptr.hpp>
      31             : 
      32             : #include "sax/fshelper.hxx"
      33             : 
      34             : namespace sax_fastparser {
      35             : 
      36             : /// Receives notification of sax document events to write into an XOutputStream.
      37             : class FastSaxSerializer
      38             : {
      39             :     typedef ::com::sun::star::uno::Sequence< ::sal_Int8 > Int8Sequence;
      40             :     typedef ::com::sun::star::uno::Sequence< ::sal_Int32 > Int32Sequence;
      41             : 
      42             : public:
      43             :     explicit FastSaxSerializer();
      44             :     ~FastSaxSerializer();
      45             : 
      46           0 :     ::com::sun::star::uno::Reference< ::com::sun::star::io::XOutputStream > getOutputStream() {return mxOutputStream;}
      47             : 
      48             :     /** called by the parser when parsing of an XML stream is started.
      49             :      */
      50             :     void SAL_CALL startDocument(  ) throw (::com::sun::star::xml::sax::SAXException, ::com::sun::star::uno::RuntimeException);
      51             : 
      52             :     /** called by the parser after the last XML element of a stream is processed.
      53             :      */
      54             :     void SAL_CALL endDocument(  ) throw (::com::sun::star::xml::sax::SAXException, ::com::sun::star::uno::RuntimeException);
      55             : 
      56             :     /** receives notification of the beginning of an element.
      57             : 
      58             :         @param Element
      59             :             contains the integer token from the <type>XFastTokenHandler</type>
      60             :             registered at the <type>XFastParser</type>.<br>
      61             : 
      62             :             If the element has a namespace that was registered with the
      63             :             <type>XFastParser</type>, <param>Element</param> contains the integer
      64             :             token of the elements local name from the <type>XFastTokenHandler</type>
      65             :             and the integer token of the namespace combined with an arithmetic
      66             :             <b>or</b> operation.
      67             : 
      68             :         @param Attribs
      69             :             Contains a <type>XFastAttrbitueList</type> to access the attributes
      70             :             from the element.
      71             : 
      72             :     */
      73             :     void SAL_CALL startFastElement( ::sal_Int32 Element, const ::com::sun::star::uno::Reference< ::com::sun::star::xml::sax::XFastAttributeList >& Attribs )
      74             :         throw (::com::sun::star::xml::sax::SAXException, ::com::sun::star::uno::RuntimeException);
      75             : 
      76             :     /** receives notification of the end of an known element.
      77             :         @see startFastElement
      78             :      */
      79             :     void SAL_CALL endFastElement( ::sal_Int32 Element )
      80             :         throw (::com::sun::star::xml::sax::SAXException, ::com::sun::star::uno::RuntimeException);
      81             : 
      82             :     /** receives notification of the beginning of a single element.
      83             : 
      84             :         @param Element
      85             :             contains the integer token from the <type>XFastTokenHandler</type>
      86             :             registered at the <type>XFastParser</type>.<br>
      87             : 
      88             :             If the element has a namespace that was registered with the
      89             :             <type>XFastParser</type>, <param>Element</param> contains the integer
      90             :             token of the elements local name from the <type>XFastTokenHandler</type>
      91             :             and the integer token of the namespace combined with an arithmetic
      92             :             <b>or</b> operation.
      93             : 
      94             :         @param Attribs
      95             :             Contains a <type>XFastAttrbitueList</type> to access the attributes
      96             :             from the element.
      97             : 
      98             :     */
      99             :     void SAL_CALL singleFastElement( ::sal_Int32 Element, const ::com::sun::star::uno::Reference< ::com::sun::star::xml::sax::XFastAttributeList >& Attribs )
     100             :         throw (::com::sun::star::xml::sax::SAXException, ::com::sun::star::uno::RuntimeException);
     101             : 
     102             :     /// receives notification of character data.
     103             :     void SAL_CALL characters( const OUString& aChars )
     104             :         throw (::com::sun::star::xml::sax::SAXException, ::com::sun::star::uno::RuntimeException);
     105             : 
     106             :     void SAL_CALL setOutputStream( const ::com::sun::star::uno::Reference< ::com::sun::star::io::XOutputStream >& xOutputStream )
     107             :         throw (::com::sun::star::uno::RuntimeException);
     108             : 
     109             :     void SAL_CALL setFastTokenHandler( const ::com::sun::star::uno::Reference< ::com::sun::star::xml::sax::XFastTokenHandler >& xFastTokenHandler )
     110             :         throw (::com::sun::star::uno::RuntimeException);
     111             : 
     112             :     // C++ helpers
     113             :     void SAL_CALL writeId( ::sal_Int32 Element );
     114             :     OString SAL_CALL getId( ::sal_Int32 Element );
     115             : 
     116             :     static OUString escapeXml( const OUString& s );
     117             : 
     118             : public:
     119             :     /** From now on, don't write directly to the stream, but to top of a stack.
     120             : 
     121             :         This is to be able to change the order of the data being written.
     122             :         If you need to write eg.
     123             :           p, r, rPr, [something], /rPr, t, [text], /r, /p,
     124             :         but get it in order
     125             :           p, r, t, [text], /t, rPr, [something], /rPr, /r, /p,
     126             :         simply do
     127             :           p, r, mark(), t, [text], /t, mark(), rPr, [something], /rPr,
     128             :           mergeTopMarks( true ), mergeTopMarks(), /r, /p
     129             :         and you are done.
     130             :      */
     131             :     void mark( Int32Sequence aOrder = Int32Sequence() );
     132             : 
     133             :     /** Merge 2 topmost marks.
     134             : 
     135             :         There are 3 possibilities - prepend the top before the second top-most
     136             :         mark, append it, or append it later; prepending brings the possibility
     137             :         to switch parts of the output, appending later allows to write some
     138             :         output in advance.
     139             : 
     140             :         Writes the result to the output stream if the mark stack becomes empty
     141             :         by the operation.
     142             : 
     143             :         When the MERGE_MARKS_POSTPONE is specified, the merge happens just
     144             :         before the next merge.
     145             : 
     146             :         @see mark()
     147             :      */
     148             :     void mergeTopMarks( sax_fastparser::MergeMarksEnum eMergeType = sax_fastparser::MERGE_MARKS_APPEND );
     149             : 
     150             : private:
     151             :     ::com::sun::star::uno::Reference< ::com::sun::star::io::XOutputStream > mxOutputStream;
     152             :     ::com::sun::star::uno::Reference< ::com::sun::star::xml::sax::XFastTokenHandler > mxFastTokenHandler;
     153             : 
     154             :     class ForMerge
     155             :     {
     156             :         Int8Sequence maData;
     157             :         Int8Sequence maPostponed;
     158             : 
     159             :     public:
     160           0 :         ForMerge() : maData(), maPostponed() {}
     161           0 :         virtual ~ForMerge() {}
     162             : 
     163           0 :         virtual void setCurrentElement( ::sal_Int32 /*nToken*/ ) {}
     164             :         virtual Int8Sequence& getData();
     165             : #if OSL_DEBUG_LEVEL > 0
     166             :         virtual void print();
     167             : #endif
     168             : 
     169             :         virtual void prepend( const Int8Sequence &rWhat );
     170             :         virtual void append( const Int8Sequence &rWhat );
     171             :         void postpone( const Int8Sequence &rWhat );
     172             : 
     173             :     protected:
     174             :         void resetData( );
     175             :         static void merge( Int8Sequence &rTop, const Int8Sequence &rMerge, bool bAppend );
     176             :     };
     177             : 
     178           0 :     class ForSort : public ForMerge
     179             :     {
     180             :         std::map< ::sal_Int32, Int8Sequence > maData;
     181             :         sal_Int32 mnCurrentElement;
     182             : 
     183             :         Int32Sequence maOrder;
     184             : 
     185             :     public:
     186           0 :         ForSort( Int32Sequence aOrder ) :
     187             :             ForMerge(),
     188             :             maData(),
     189             :             mnCurrentElement( 0 ),
     190           0 :             maOrder( aOrder ) {}
     191             : 
     192             :         void setCurrentElement( ::sal_Int32 nToken ) SAL_OVERRIDE;
     193             : 
     194             :         virtual Int8Sequence& getData() SAL_OVERRIDE;
     195             : 
     196             : #if OSL_DEBUG_LEVEL > 0
     197             :         virtual void print() SAL_OVERRIDE;
     198             : #endif
     199             : 
     200             :         virtual void prepend( const Int8Sequence &rWhat ) SAL_OVERRIDE;
     201             :         virtual void append( const Int8Sequence &rWhat ) SAL_OVERRIDE;
     202             :     private:
     203             :         void sort();
     204             :     };
     205             : 
     206             :     ::std::stack< boost::shared_ptr< ForMerge > > maMarkStack;
     207             :     ::std::stack< boost::shared_ptr< ForMerge > > maSavedMarkStack;
     208             : 
     209             : #ifdef DBG_UTIL
     210             :     ::std::stack<sal_Int32> m_DebugStartedElements;
     211             : #endif
     212             : 
     213             :     void writeFastAttributeList( const ::com::sun::star::uno::Reference< ::com::sun::star::xml::sax::XFastAttributeList >& Attribs );
     214             :     void write( const OUString& s );
     215             : 
     216             : protected:
     217             :     rtl::ByteSequence maClosingBracket;
     218             :     rtl::ByteSequence maSlashAndClosingBracket;
     219             :     rtl::ByteSequence maColon;
     220             :     rtl::ByteSequence maOpeningBracket;
     221             :     rtl::ByteSequence maOpeningBracketAndSlash;
     222             :     rtl::ByteSequence maQuote;
     223             :     rtl::ByteSequence maEqualSignAndQuote;
     224             :     rtl::ByteSequence maSpace;
     225             : 
     226             :     /** Forward the call to the output stream, or write to the stack.
     227             : 
     228             :         The latter in the case that we are inside a mark().
     229             :      */
     230             :     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);
     231             : };
     232             : 
     233             : } // namespace sax_fastparser
     234             : 
     235             : #endif
     236             : 
     237             : /* vim:set shiftwidth=4 softtabstop=4 expandtab: */

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