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       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 INCLUDED_SAX_FSHELPER_HXX
      21             : #define INCLUDED_SAX_FSHELPER_HXX
      22             : 
      23             : #include <com/sun/star/io/XOutputStream.hpp>
      24             : #include <sax/fastattribs.hxx>
      25             : #include <stdarg.h>
      26             : #include <memory>
      27             : 
      28             : #define FSNS(namespc, element) ((namespc << 16) | element)
      29             : // Backwards compatibility for code that used FSEND to terminate the vararg.
      30             : // As soon as no supported LO version has the varargs code, this can be removed entirely
      31             : // (otherwise backports might break silently if people didn't add FSEND).
      32             : // Ctor is there to get an error when trying to pass it to a vararg by accident.
      33        3175 : struct FSEND_t { FSEND_t() {}; };
      34        3175 : static const FSEND_t FSEND = FSEND_t();
      35             : const sal_Int32 FSEND_internal = -1; // same as XML_TOKEN_INVALID
      36             : 
      37             : #define SAX_ARGS_ARG( arg1, arg2, convert, num ) arg1##num, arg2##num convert
      38             : #define SAX_ARGS_ARG1( arg1, arg2, convert ) SAX_ARGS_ARG( arg1, arg2, convert, 1 )
      39             : #define SAX_ARGS_ARG2( arg1, arg2, convert ) SAX_ARGS_ARG1( arg1, arg2, convert ), SAX_ARGS_ARG( arg1, arg2, convert, 2 )
      40             : #define SAX_ARGS_ARG3( arg1, arg2, convert ) SAX_ARGS_ARG2( arg1, arg2, convert ), SAX_ARGS_ARG( arg1, arg2, convert, 3 )
      41             : #define SAX_ARGS_ARG4( arg1, arg2, convert ) SAX_ARGS_ARG3( arg1, arg2, convert ), SAX_ARGS_ARG( arg1, arg2, convert, 4 )
      42             : #define SAX_ARGS_ARG5( arg1, arg2, convert ) SAX_ARGS_ARG4( arg1, arg2, convert ), SAX_ARGS_ARG( arg1, arg2, convert, 5 )
      43             : #define SAX_ARGS_ARG6( arg1, arg2, convert ) SAX_ARGS_ARG5( arg1, arg2, convert ), SAX_ARGS_ARG( arg1, arg2, convert, 6 )
      44             : #define SAX_ARGS_ARG7( arg1, arg2, convert ) SAX_ARGS_ARG6( arg1, arg2, convert ), SAX_ARGS_ARG( arg1, arg2, convert, 7 )
      45             : #define SAX_ARGS_ARG8( arg1, arg2, convert ) SAX_ARGS_ARG7( arg1, arg2, convert ), SAX_ARGS_ARG( arg1, arg2, convert, 8 )
      46             : #define SAX_ARGS_ARG9( arg1, arg2, convert ) SAX_ARGS_ARG8( arg1, arg2, convert ), SAX_ARGS_ARG( arg1, arg2, convert, 9 )
      47             : #define SAX_ARGS_ARG10( arg1, arg2, convert ) SAX_ARGS_ARG9( arg1, arg2, convert ), SAX_ARGS_ARG( arg1, arg2, convert, 10 )
      48             : #define SAX_ARGS_ARG11( arg1, arg2, convert ) SAX_ARGS_ARG10( arg1, arg2, convert ), SAX_ARGS_ARG( arg1, arg2, convert, 11 )
      49             : #define SAX_ARGS_ARG12( arg1, arg2, convert ) SAX_ARGS_ARG11( arg1, arg2, convert ), SAX_ARGS_ARG( arg1, arg2, convert, 12 )
      50             : #define SAX_ARGS_ARG13( arg1, arg2, convert ) SAX_ARGS_ARG12( arg1, arg2, convert ), SAX_ARGS_ARG( arg1, arg2, convert, 13 )
      51             : #define SAX_ARGS_ARG14( arg1, arg2, convert ) SAX_ARGS_ARG13( arg1, arg2, convert ), SAX_ARGS_ARG( arg1, arg2, convert, 14 )
      52             : #define SAX_ARGS_ARG15( arg1, arg2, convert ) SAX_ARGS_ARG14( arg1, arg2, convert ), SAX_ARGS_ARG( arg1, arg2, convert, 15 )
      53             : #define SAX_ARGS_ARG16( arg1, arg2, convert ) SAX_ARGS_ARG15( arg1, arg2, convert ), SAX_ARGS_ARG( arg1, arg2, convert, 16 )
      54             : #define SAX_ARGS_ARG17( arg1, arg2, convert ) SAX_ARGS_ARG16( arg1, arg2, convert ), SAX_ARGS_ARG( arg1, arg2, convert, 17 )
      55             : #define SAX_ARGS_ARG18( arg1, arg2, convert ) SAX_ARGS_ARG17( arg1, arg2, convert ), SAX_ARGS_ARG( arg1, arg2, convert, 18 )
      56             : #define SAX_ARGS_ARG19( arg1, arg2, convert ) SAX_ARGS_ARG18( arg1, arg2, convert ), SAX_ARGS_ARG( arg1, arg2, convert, 19 )
      57             : #define SAX_ARGS_ARG20( arg1, arg2, convert ) SAX_ARGS_ARG19( arg1, arg2, convert ), SAX_ARGS_ARG( arg1, arg2, convert, 20 )
      58             : #define SAX_ARGS_ARG21( arg1, arg2, convert ) SAX_ARGS_ARG20( arg1, arg2, convert ), SAX_ARGS_ARG( arg1, arg2, convert, 21 )
      59             : #define SAX_ARGS_ARG22( arg1, arg2, convert ) SAX_ARGS_ARG21( arg1, arg2, convert ), SAX_ARGS_ARG( arg1, arg2, convert, 22 )
      60             : 
      61             : namespace sax_fastparser {
      62             : 
      63             : enum MergeMarksEnum { MERGE_MARKS_APPEND = 0, MERGE_MARKS_PREPEND = 1, MERGE_MARKS_POSTPONE = 2, MERGE_MARKS_IGNORE = 3 };
      64             : 
      65             : typedef ::com::sun::star::uno::Reference< ::com::sun::star::xml::sax::XFastAttributeList > XFastAttributeListRef;
      66             : 
      67             : class FastSaxSerializer;
      68             : 
      69             : class SAX_DLLPUBLIC FastSerializerHelper
      70             : {
      71             : public:
      72             : 
      73             :     FastSerializerHelper( const ::com::sun::star::uno::Reference< ::com::sun::star::io::XOutputStream >& xOutputStream, bool bWriteHeader = true );
      74             : 
      75             :     ~FastSerializerHelper();
      76             : 
      77             :     /// Start an element. After the first argument there can be a number of (attribute, value) pairs.
      78       15821 :     void startElement(sal_Int32 elementTokenId, FSEND_t)
      79       15821 :         { startElementInternal( elementTokenId, FSEND_internal ); }
      80             :     /// overload
      81        3545 :     void startElement(sal_Int32 elementTokenId, sal_Int32 attribute, const char* value, FSEND_t)
      82        3545 :         { startElementInternal( elementTokenId, attribute, value, FSEND_internal ); }
      83             :     /// overload
      84           7 :     void startElement(sal_Int32 elementTokenId, sal_Int32 attribute, const OString& value, FSEND_t)
      85           7 :         { startElementInternal( elementTokenId, attribute, value.getStr(), FSEND_internal ); }
      86             :     /// Create a single element. After the first argument there can be a number of (attribute, value) pairs.
      87         586 :     void singleElement(sal_Int32 elementTokenId, FSEND_t)
      88         586 :         { singleElementInternal( elementTokenId, FSEND_internal ); }
      89             :     /// overload
      90        7255 :     void singleElement(sal_Int32 elementTokenId, sal_Int32 attribute, const char* value, FSEND_t)
      91        7255 :         { singleElementInternal( elementTokenId, attribute, value, FSEND_internal ); }
      92             :     /// overload
      93          38 :     void singleElement(sal_Int32 elementTokenId, sal_Int32 attribute, const OString& value, FSEND_t)
      94          38 :         { singleElementInternal( elementTokenId, attribute, value.getStr(), FSEND_internal ); }
      95             :     /// Start an element. After the first two arguments there can be a number of (attribute, value) pairs.
      96      113886 :     void startElementNS(sal_Int32 namespaceTokenId, sal_Int32 elementTokenId, FSEND_t)
      97      113886 :         { startElementInternal( FSNS( namespaceTokenId, elementTokenId), FSEND_internal ); }
      98             :     /// overload
      99       13986 :     void startElementNS(sal_Int32 namespaceTokenId, sal_Int32 elementTokenId, sal_Int32 attribute, const char* value, FSEND_t)
     100       13986 :         { startElementInternal( FSNS( namespaceTokenId, elementTokenId), attribute, value, FSEND_internal ); }
     101             :     /// overload
     102         733 :     void startElementNS(sal_Int32 namespaceTokenId, sal_Int32 elementTokenId, sal_Int32 attribute, const OString& value, FSEND_t)
     103         733 :         { startElementInternal( FSNS( namespaceTokenId, elementTokenId), attribute, value.getStr(), FSEND_internal ); }
     104             :     /// Create a single element. After the first two arguments there can be a number of (attribute, value) pairs.
     105       45486 :     void singleElementNS(sal_Int32 namespaceTokenId, sal_Int32 elementTokenId, FSEND_t)
     106       45486 :         { singleElementInternal( FSNS( namespaceTokenId, elementTokenId), FSEND_internal ); }
     107             :     /// overload
     108      110734 :     void singleElementNS(sal_Int32 namespaceTokenId, sal_Int32 elementTokenId, sal_Int32 attribute, const char* value, FSEND_t)
     109      110734 :         { singleElementInternal( FSNS( namespaceTokenId, elementTokenId), attribute, value, FSEND_internal ); }
     110             :     /// overload
     111        4189 :     void singleElementNS(sal_Int32 namespaceTokenId, sal_Int32 elementTokenId, sal_Int32 attribute, const OString& value, FSEND_t)
     112        4189 :         { singleElementInternal( FSNS( namespaceTokenId, elementTokenId), attribute, value.getStr(), FSEND_internal ); }
     113             :     void endElement(sal_Int32 elementTokenId);
     114      155408 :     inline void endElementNS(sal_Int32 namespaceTokenId, sal_Int32 elementTokenId)
     115      155408 :         { endElement( FSNS( namespaceTokenId, elementTokenId ) ); }
     116             : 
     117             :     void singleElement(sal_Int32 elementTokenId, XFastAttributeListRef xAttrList);
     118      121443 :     inline void singleElementNS(sal_Int32 namespaceTokenId, sal_Int32 elementTokenId, XFastAttributeListRef xAttrList)
     119      121443 :         { singleElement(FSNS( namespaceTokenId, elementTokenId), xAttrList); }
     120             : 
     121             :     void startElement(sal_Int32 elementTokenId, XFastAttributeListRef xAttrList);
     122       19241 :     inline void startElementNS(sal_Int32 namespaceTokenId, sal_Int32 elementTokenId, XFastAttributeListRef xAttrList)
     123       19241 :         { startElement( FSNS( namespaceTokenId, elementTokenId ), xAttrList ); }
     124             : 
     125             :     FastSerializerHelper* write(const char* value);
     126             :     FastSerializerHelper* write(const OUString& value);
     127             :     FastSerializerHelper* write(sal_Int32 value);
     128             :     FastSerializerHelper* write(sal_Int64 value);
     129             :     FastSerializerHelper* write(double value);
     130             : 
     131             :     FastSerializerHelper* writeEscaped(const char* value);
     132             :     FastSerializerHelper* writeEscaped(const OUString& value);
     133             : 
     134             :     FastSerializerHelper* writeId(sal_Int32 tokenId);
     135             : 
     136             :     ::com::sun::star::uno::Reference< ::com::sun::star::io::XOutputStream > getOutputStream();
     137             : 
     138             :     static FastAttributeList *createAttrList();
     139             : 
     140             :     void mark( const ::com::sun::star::uno::Sequence< sal_Int32 >& aOrder =
     141             :             ::com::sun::star::uno::Sequence< sal_Int32 >() );
     142             :     void mergeTopMarks( MergeMarksEnum eMergeType = MERGE_MARKS_APPEND );
     143             : 
     144             :     /*
     145             :       Now create all the overloads in a typesafe way (i.e. without varargs) by creating a number of overloads
     146             :       up to a certain reasonable limit (feel free to raise it). This would be a lot easier with C++11 vararg templates.
     147             :     */
     148             :     // now overloads for 2 and more pairs
     149             :     #define SAX_ARGS_FUNC_DECL( argsdecl, argsuse ) \
     150             :         void startElement(sal_Int32 elementTokenId, argsdecl, FSEND_t) \
     151             :             { startElementInternal( elementTokenId, argsuse, FSEND_internal ); } \
     152             :         void singleElement(sal_Int32 elementTokenId, argsdecl, FSEND_t) \
     153             :             { singleElementInternal( elementTokenId, argsuse, FSEND_internal ); } \
     154             :         void startElementNS(sal_Int32 namespaceTokenId, sal_Int32 elementTokenId, argsdecl, FSEND_t) \
     155             :             { startElementInternal( FSNS( namespaceTokenId, elementTokenId), argsuse, FSEND_internal ); } \
     156             :         void singleElementNS(sal_Int32 namespaceTokenId, sal_Int32 elementTokenId, argsdecl, FSEND_t) \
     157             :             { singleElementInternal( FSNS( namespaceTokenId, elementTokenId), argsuse, FSEND_internal ); }
     158             :     #define SAX_ARGS_FUNC_NUM( decl1, decl2, use1, use2, convert, num ) \
     159             :         SAX_ARGS_FUNC_DECL( SAX_ARGS_ARG##num( decl1, decl2, ), SAX_ARGS_ARG##num( use1, use2, convert ))
     160             :     #define SAX_ARGS_FUNC_SUBST( type, convert, num ) \
     161             :         SAX_ARGS_FUNC_NUM( sal_Int32 attribute, type value, attribute, value, convert, num )
     162             :     #define SAX_ARGS_FUNC( arg, convert ) SAX_ARGS_FUNC_SUBST( arg, convert, 2 ) \
     163             :         SAX_ARGS_FUNC_SUBST( arg, convert, 3 ) SAX_ARGS_FUNC_SUBST( arg, convert, 4 ) \
     164             :         SAX_ARGS_FUNC_SUBST( arg, convert, 5 ) SAX_ARGS_FUNC_SUBST( arg, convert, 6 ) \
     165             :         SAX_ARGS_FUNC_SUBST( arg, convert, 7 ) SAX_ARGS_FUNC_SUBST( arg, convert, 8 ) \
     166             :         SAX_ARGS_FUNC_SUBST( arg, convert, 9 ) SAX_ARGS_FUNC_SUBST( arg, convert, 10 ) \
     167             :         SAX_ARGS_FUNC_SUBST( arg, convert, 11 ) SAX_ARGS_FUNC_SUBST( arg, convert, 12 ) \
     168             :         SAX_ARGS_FUNC_SUBST( arg, convert, 13 ) SAX_ARGS_FUNC_SUBST( arg, convert, 14 ) \
     169             :         SAX_ARGS_FUNC_SUBST( arg, convert, 15 ) SAX_ARGS_FUNC_SUBST( arg, convert, 16 ) \
     170             :         SAX_ARGS_FUNC_SUBST( arg, convert, 17 ) SAX_ARGS_FUNC_SUBST( arg, convert, 18 ) \
     171             :         SAX_ARGS_FUNC_SUBST( arg, convert, 19 ) SAX_ARGS_FUNC_SUBST( arg, convert, 20 ) \
     172             :         SAX_ARGS_FUNC_SUBST( arg, convert, 21 ) SAX_ARGS_FUNC_SUBST( arg, convert, 22 )
     173       36718 :     SAX_ARGS_FUNC( const char*, )
     174        7047 :     SAX_ARGS_FUNC( const OString&, .getStr() )
     175             :     #undef SAX_ARGS_FUNC_DECL
     176             :     #undef SAX_ARGS_FUNC_NUM
     177             :     #undef SAX_ARGS_FUNC_SUBST
     178             :     #undef SAX_ARGS_FUNC
     179             : 
     180             : private:
     181             :     void startElementInternal(sal_Int32 elementTokenId, ...);
     182             :     void singleElementInternal(sal_Int32 elementTokenId, ...);
     183             : 
     184             :     FastSaxSerializer* mpSerializer;
     185             : };
     186             : 
     187             : typedef std::shared_ptr< FastSerializerHelper > FSHelperPtr;
     188             : 
     189             : }
     190             : 
     191             : #endif // INCLUDED_SAX_FSHELPER_HXX
     192             : 
     193             : /* vim:set shiftwidth=4 softtabstop=4 expandtab: */