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If not, see 23 * <http://www.openoffice.org/license.html> 24 * for a copy of the LGPLv3 License. 25 * 26 ************************************************************************/ 27 28 #ifndef SAX_FASTSERIALIZER_HXX 29 #define SAX_FASTSERIALIZER_HXX 30 31 #include <com/sun/star/xml/sax/XFastSerializer.hpp> 32 #include <com/sun/star/xml/sax/XFastTokenHandler.hpp> 33 #include <com/sun/star/lang/XServiceInfo.hpp> 34 #include <com/sun/star/io/XOutputStream.hpp> 35 #include <cppuhelper/implbase2.hxx> 36 37 #include <stack> 38 39 #include "sax/dllapi.h" 40 #include "sax/fshelper.hxx" 41 42 #define SERIALIZER_IMPLEMENTATION_NAME "com.sun.star.comp.extensions.xml.sax.FastSerializer" 43 #define SERIALIZER_SERVICE_NAME "com.sun.star.xml.sax.FastSerializer" 44 45 namespace sax_fastparser { 46 47 class SAX_DLLPUBLIC FastSaxSerializer : public ::cppu::WeakImplHelper2< ::com::sun::star::xml::sax::XFastSerializer, ::com::sun::star::lang::XServiceInfo > 48 { 49 public: 50 explicit FastSaxSerializer( ); 51 virtual ~FastSaxSerializer(); 52 53 ::com::sun::star::uno::Reference< ::com::sun::star::io::XOutputStream > getOutputStream() {return mxOutputStream;} 54 55 // The implementation details 56 static ::com::sun::star::uno::Sequence< ::rtl::OUString > getSupportedServiceNames_Static(void); 57 static ::rtl::OUString getImplementationName_Static(); 58 59 // XFastSerializer 60 virtual void SAL_CALL startDocument( ) throw (::com::sun::star::xml::sax::SAXException, ::com::sun::star::uno::RuntimeException); 61 virtual void SAL_CALL endDocument( ) throw (::com::sun::star::xml::sax::SAXException, ::com::sun::star::uno::RuntimeException); 62 virtual void SAL_CALL startFastElement( ::sal_Int32 Element, const ::com::sun::star::uno::Reference< ::com::sun::star::xml::sax::XFastAttributeList >& Attribs ) 63 throw (::com::sun::star::xml::sax::SAXException, ::com::sun::star::uno::RuntimeException); 64 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 ) 65 throw (::com::sun::star::xml::sax::SAXException, ::com::sun::star::uno::RuntimeException); 66 virtual void SAL_CALL endFastElement( ::sal_Int32 Element ) 67 throw (::com::sun::star::xml::sax::SAXException, ::com::sun::star::uno::RuntimeException); 68 virtual void SAL_CALL endUnknownElement( const ::rtl::OUString& Namespace, const ::rtl::OUString& Name ) 69 throw (::com::sun::star::xml::sax::SAXException, ::com::sun::star::uno::RuntimeException); 70 virtual void SAL_CALL singleFastElement( ::sal_Int32 Element, const ::com::sun::star::uno::Reference< ::com::sun::star::xml::sax::XFastAttributeList >& Attribs ) 71 throw (::com::sun::star::xml::sax::SAXException, ::com::sun::star::uno::RuntimeException); 72 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 ) 73 throw (::com::sun::star::xml::sax::SAXException, ::com::sun::star::uno::RuntimeException); 74 virtual void SAL_CALL characters( const ::rtl::OUString& aChars ) 75 throw (::com::sun::star::xml::sax::SAXException, ::com::sun::star::uno::RuntimeException); 76 virtual void SAL_CALL setOutputStream( const ::com::sun::star::uno::Reference< ::com::sun::star::io::XOutputStream >& xOutputStream ) 77 throw (::com::sun::star::uno::RuntimeException); 78 virtual void SAL_CALL setFastTokenHandler( const ::com::sun::star::uno::Reference< ::com::sun::star::xml::sax::XFastTokenHandler >& xFastTokenHandler ) 79 throw (::com::sun::star::uno::RuntimeException); 80 81 // XServiceInfo 82 virtual ::rtl::OUString SAL_CALL getImplementationName( ) throw ( ::com::sun::star::uno::RuntimeException ); 83 virtual sal_Bool SAL_CALL supportsService( const ::rtl::OUString& ServiceName ) throw ( ::com::sun::star::uno::RuntimeException ); 84 virtual ::com::sun::star::uno::Sequence< ::rtl::OUString > SAL_CALL getSupportedServiceNames( ) throw ( ::com::sun::star::uno::RuntimeException ); 85 86 // C++ helpers 87 virtual void SAL_CALL writeId( ::sal_Int32 Element ); 88 89 static ::rtl::OUString escapeXml( const ::rtl::OUString& s ); 90 91 public: 92 /** From now on, don't write directly to the stream, but to top of a stack. 93 94 This is to be able to change the order of the data being written. 95 If you need to write eg. 96 p, r, rPr, [something], /rPr, t, [text], /r, /p, 97 but get it in order 98 p, r, t, [text], /t, rPr, [something], /rPr, /r, /p, 99 simply do 100 p, r, mark(), t, [text], /t, mark(), rPr, [something], /rPr, 101 mergeTopMarks( true ), mergeTopMarks(), /r, /p 102 and you are done. 103 */ 104 void mark(); 105 106 /** Merge 2 topmost marks. 107 108 There are 3 possibilities - prepend the top before the second top-most 109 mark, append it, or append it later; prepending brings the possibility 110 to switch parts of the output, appending later allows to write some 111 output in advance. 112 113 Writes the result to the output stream if the mark stack becomes empty 114 by the operation. 115 116 When the MERGE_MARKS_POSTPONE is specified, the merge happens just 117 before the next merge. 118 119 @see mark() 120 */ 121 void mergeTopMarks( sax_fastparser::MergeMarksEnum eMergeType = sax_fastparser::MERGE_MARKS_APPEND ); 122 123 private: 124 ::com::sun::star::uno::Reference< ::com::sun::star::io::XOutputStream > mxOutputStream; 125 ::com::sun::star::uno::Reference< ::com::sun::star::xml::sax::XFastTokenHandler > mxFastTokenHandler; 126 127 typedef ::com::sun::star::uno::Sequence< ::sal_Int8 > Int8Sequence; 128 class ForMerge 129 { 130 Int8Sequence maData; 131 Int8Sequence maPostponed; 132 133 public: 134 ForMerge() : maData(), maPostponed() {} 135 136 Int8Sequence& getData(); 137 138 void prepend( const Int8Sequence &rWhat ); 139 void append( const Int8Sequence &rWhat ); 140 void postpone( const Int8Sequence &rWhat ); 141 142 private: 143 static void merge( Int8Sequence &rTop, const Int8Sequence &rMerge, bool bAppend ); 144 }; 145 146 ::std::stack< ForMerge > maMarkStack; 147 148 void writeFastAttributeList( const ::com::sun::star::uno::Reference< ::com::sun::star::xml::sax::XFastAttributeList >& Attribs ); 149 void write( const ::rtl::OUString& s ); 150 151 protected: 152 /** Forward the call to the output stream, or write to the stack. 153 154 The latter in the case that we are inside a mark(). 155 */ 156 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); 157 }; 158 159 } // namespace sax_fastparser 160 161 #endif 162