i18npool/source/search/textsearch.hxx

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  27
  28 #ifndef INCLUDED_I18NPOOL_TEXTSEARCH_HXX
  29 #define INCLUDED_I18NPOOL_TEXTSEARCH_HXX
  30
  31
  32 #include <com/sun/star/util/XTextSearch.hpp>
  33 #include <com/sun/star/i18n/XBreakIterator.hpp>
  34 #include <cppuhelper/implbase2.hxx>     // helper for implementations
  35 #include <com/sun/star/i18n/XExtendedTransliteration.hpp>
  36 #include <com/sun/star/i18n/XCharacterClassification.hpp>
  37 #include <com/sun/star/lang/XServiceInfo.hpp>
  38
  39 #include <map>
  40
  41 class Regexpr;
  42 class WLevDistance;
  43 typedef ::std::map< sal_Unicode, sal_Int32 > TextSearchJumpTable;
  44
  45 //  ----------------------------------------------------
  46 //  class SearchClass
  47 //  ----------------------------------------------------
  48 class TextSearch: public cppu::WeakImplHelper2
  49 <
  50     ::com::sun::star::util::XTextSearch,
  51     ::com::sun::star::lang::XServiceInfo
  52 >
  53 {
  54     ::com::sun::star::uno::Reference < ::com::sun::star::lang::XMultiServiceFactory > xMSF;
  55
  56     ::com::sun::star::util::SearchOptions aSrchPara;
  57     ::rtl::OUString sSrchStr;
  58     ::rtl::OUString sSrchStr2;
  59
  60     mutable com::sun::star::uno::Reference<
  61         com::sun::star::i18n::XCharacterClassification > xCharClass;
  62
  63     com::sun::star::uno::Reference<
  64         com::sun::star::i18n::XExtendedTransliteration > xTranslit;
  65     com::sun::star::uno::Reference<
  66         com::sun::star::i18n::XExtendedTransliteration > xTranslit2;
  67
  68     // define a function pointer for the different search nethods
  69     typedef ::com::sun::star::util::SearchResult
  70         (SAL_CALL TextSearch:: *FnSrch)( const ::rtl::OUString& searchStr,
  71                                 sal_Int32 startPos, sal_Int32 endPos );
  72
  73     FnSrch fnForward;
  74     FnSrch fnBackward;
  75
  76     // Members and methods for the normal (Boyer-Moore) search
  77     TextSearchJumpTable* pJumpTable;
  78     TextSearchJumpTable* pJumpTable2;
  79     bool bIsForwardTab;
  80     bool bUsePrimarySrchStr;
  81     void MakeForwardTab();
  82     void MakeForwardTab2();
  83     void MakeBackwardTab();
  84     void MakeBackwardTab2();
  85     sal_Int32 GetDiff( const sal_Unicode ) const;
  86     ::com::sun::star::util::SearchResult SAL_CALL
  87         NSrchFrwrd( const ::rtl::OUString& searchStr,
  88                                 sal_Int32 startPos, sal_Int32 endPos )
  89                             throw(::com::sun::star::uno::RuntimeException);
  90     ::com::sun::star::util::SearchResult SAL_CALL
  91         NSrchBkwrd( const ::rtl::OUString& searchStr,
  92                                 sal_Int32 startPos, sal_Int32 endPos )
  93                             throw(::com::sun::star::uno::RuntimeException);
  94
  95     // Members and methods for the regular expression search
  96     Regexpr* pRegExp;
  97     ::com::sun::star::util::SearchResult SAL_CALL
  98         RESrchFrwrd( const ::rtl::OUString& searchStr,
  99                                 sal_Int32 startPos, sal_Int32 endPos )
 100                             throw(::com::sun::star::uno::RuntimeException);
 101     ::com::sun::star::util::SearchResult SAL_CALL
 102         RESrchBkwrd( const ::rtl::OUString& searchStr,
 103                                 sal_Int32 startPos, sal_Int32 endPos )
 104                             throw(::com::sun::star::uno::RuntimeException);
 105
 106     // Members and methods for the "Weight Levenshtein-Distance" search
 107     int nLimit;
 108     WLevDistance* pWLD;
 109     com::sun::star::uno::Reference < com::sun::star::i18n::XBreakIterator > xBreak;
 110     ::com::sun::star::util::SearchResult SAL_CALL
 111         ApproxSrchFrwrd( const ::rtl::OUString& searchStr,
 112                                 sal_Int32 startPos, sal_Int32 endPos )
 113                             throw(::com::sun::star::uno::RuntimeException);
 114     ::com::sun::star::util::SearchResult SAL_CALL
 115         ApproxSrchBkwrd( const ::rtl::OUString& searchStr,
 116                                 sal_Int32 startPos, sal_Int32 endPos )
 117                             throw(::com::sun::star::uno::RuntimeException);
 118
 119     bool IsDelimiter( const ::rtl::OUString& rStr, sal_Int32 nPos ) const;
 120
 121     sal_Bool checkCTLStart, checkCTLEnd;
 122     sal_Bool SAL_CALL isCellStart(const ::rtl::OUString& searchStr, sal_Int32 nPos)
 123                             throw(::com::sun::star::uno::RuntimeException);
 124
 125 public:
 126     TextSearch(
 127         const ::com::sun::star::uno::Reference < ::com::sun::star::lang::XMultiServiceFactory >& rxMSF );
 128
 129     virtual ~TextSearch();
 130
 131     // Methods
 132     virtual void SAL_CALL
 133         setOptions( const ::com::sun::star::util::SearchOptions& options )
 134                             throw(::com::sun::star::uno::RuntimeException);
 135     virtual ::com::sun::star::util::SearchResult SAL_CALL
 136         searchForward( const ::rtl::OUString& searchStr,
 137                         sal_Int32 startPos, sal_Int32 endPos )
 138                             throw(::com::sun::star::uno::RuntimeException);
 139     virtual ::com::sun::star::util::SearchResult SAL_CALL
 140         searchBackward( const ::rtl::OUString& searchStr,
 141                         sal_Int32 startPos, sal_Int32 endPos )
 142                             throw(::com::sun::star::uno::RuntimeException);
 143
 144     //XServiceInfo
 145     virtual rtl::OUString SAL_CALL getImplementationName(void)
 146                 throw( ::com::sun::star::uno::RuntimeException );
 147     virtual sal_Bool SAL_CALL supportsService(const rtl::OUString& ServiceName)
 148                 throw( ::com::sun::star::uno::RuntimeException );
 149     virtual ::com::sun::star::uno::Sequence< rtl::OUString > SAL_CALL getSupportedServiceNames(void)
 150                 throw( ::com::sun::star::uno::RuntimeException );
 151 };
 152
 153
 154 #endif