i18npool/source/search/textsearch.hxx

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  30
  31 #ifndef INCLUDED_I18NPOOL_TEXTSEARCH_HXX
  32 #define INCLUDED_I18NPOOL_TEXTSEARCH_HXX
  33
  34
  35 #include <com/sun/star/util/XTextSearch.hpp>
  36 #include <com/sun/star/i18n/XBreakIterator.hpp>
  37 #include <cppuhelper/implbase2.hxx>             // helper for implementations
  38 #include <com/sun/star/i18n/XExtendedTransliteration.hpp>
  39 #include <com/sun/star/i18n/XCharacterClassification.hpp>
  40 #include <com/sun/star/lang/XServiceInfo.hpp>
  41
  42 #include <map>
  43
  44 class Regexpr;
  45 class WLevDistance;
  46 typedef ::std::map< sal_Unicode, sal_Int32 > TextSearchJumpTable;
  47
  48 //      ----------------------------------------------------
  49 //      class SearchClass
  50 //      ----------------------------------------------------
  51 class TextSearch: public cppu::WeakImplHelper2
  52 <
  53     ::com::sun::star::util::XTextSearch,
  54     ::com::sun::star::lang::XServiceInfo
  55 >
  56 {
  57     ::com::sun::star::uno::Reference < ::com::sun::star::lang::XMultiServiceFactory > xMSF;
  58
  59     ::com::sun::star::util::SearchOptions aSrchPara;
  60     ::rtl::OUString sSrchStr;
  61     ::rtl::OUString sSrchStr2;
  62
  63     mutable com::sun::star::uno::Reference<
  64         com::sun::star::i18n::XCharacterClassification > xCharClass;
  65
  66     com::sun::star::uno::Reference<
  67         com::sun::star::i18n::XExtendedTransliteration > xTranslit;
  68     com::sun::star::uno::Reference<
  69         com::sun::star::i18n::XExtendedTransliteration > xTranslit2;
  70
  71     // define a function pointer for the different search nethods
  72     typedef ::com::sun::star::util::SearchResult
  73         (SAL_CALL TextSearch:: *FnSrch)( const ::rtl::OUString& searchStr,
  74                                 sal_Int32 startPos, sal_Int32 endPos );
  75
  76     FnSrch fnForward;
  77     FnSrch fnBackward;
  78
  79     // Members and methods for the normal (Boyer-Moore) search
  80     TextSearchJumpTable* pJumpTable;
  81     TextSearchJumpTable* pJumpTable2;
  82     bool bIsForwardTab;
  83     bool bUsePrimarySrchStr;
  84     void MakeForwardTab();
  85     void MakeForwardTab2();
  86     void MakeBackwardTab();
  87     void MakeBackwardTab2();
  88     sal_Int32 GetDiff( const sal_Unicode ) const;
  89     ::com::sun::star::util::SearchResult SAL_CALL
  90         NSrchFrwrd( const ::rtl::OUString& searchStr,
  91                                 sal_Int32 startPos, sal_Int32 endPos )
  92                             throw(::com::sun::star::uno::RuntimeException);
  93     ::com::sun::star::util::SearchResult SAL_CALL
  94         NSrchBkwrd( const ::rtl::OUString& searchStr,
  95                                 sal_Int32 startPos, sal_Int32 endPos )
  96                             throw(::com::sun::star::uno::RuntimeException);
  97
  98     // Members and methods for the regular expression search
  99     Regexpr* pRegExp;
 100     ::com::sun::star::util::SearchResult SAL_CALL
 101         RESrchFrwrd( const ::rtl::OUString& searchStr,
 102                                 sal_Int32 startPos, sal_Int32 endPos )
 103                             throw(::com::sun::star::uno::RuntimeException);
 104     ::com::sun::star::util::SearchResult SAL_CALL
 105         RESrchBkwrd( const ::rtl::OUString& searchStr,
 106                                 sal_Int32 startPos, sal_Int32 endPos )
 107                             throw(::com::sun::star::uno::RuntimeException);
 108
 109     // Members and methods for the "Weight Levenshtein-Distance" search
 110     int nLimit;
 111     WLevDistance* pWLD;
 112     com::sun::star::uno::Reference < com::sun::star::i18n::XBreakIterator > xBreak;
 113     ::com::sun::star::util::SearchResult SAL_CALL
 114         ApproxSrchFrwrd( const ::rtl::OUString& searchStr,
 115                                 sal_Int32 startPos, sal_Int32 endPos )
 116                             throw(::com::sun::star::uno::RuntimeException);
 117     ::com::sun::star::util::SearchResult SAL_CALL
 118         ApproxSrchBkwrd( const ::rtl::OUString& searchStr,
 119                                 sal_Int32 startPos, sal_Int32 endPos )
 120                             throw(::com::sun::star::uno::RuntimeException);
 121
 122     bool IsDelimiter( const ::rtl::OUString& rStr, sal_Int32 nPos ) const;
 123
 124     sal_Bool checkCTLStart, checkCTLEnd;
 125     sal_Bool SAL_CALL isCellStart(const ::rtl::OUString& searchStr, sal_Int32 nPos)
 126                             throw(::com::sun::star::uno::RuntimeException);
 127
 128 public:
 129     TextSearch(
 130         const ::com::sun::star::uno::Reference < ::com::sun::star::lang::XMultiServiceFactory >& rxMSF );
 131
 132     virtual ~TextSearch();
 133
 134     // Methods
 135     virtual void SAL_CALL
 136         setOptions( const ::com::sun::star::util::SearchOptions& options )
 137                             throw(::com::sun::star::uno::RuntimeException);
 138     virtual ::com::sun::star::util::SearchResult SAL_CALL
 139         searchForward( const ::rtl::OUString& searchStr,
 140                         sal_Int32 startPos, sal_Int32 endPos )
 141                             throw(::com::sun::star::uno::RuntimeException);
 142     virtual ::com::sun::star::util::SearchResult SAL_CALL
 143         searchBackward( const ::rtl::OUString& searchStr,
 144                         sal_Int32 startPos, sal_Int32 endPos )
 145                             throw(::com::sun::star::uno::RuntimeException);
 146
 147     //XServiceInfo
 148     virtual rtl::OUString SAL_CALL getImplementationName(void)
 149                 throw( ::com::sun::star::uno::RuntimeException );
 150     virtual sal_Bool SAL_CALL supportsService(const rtl::OUString& ServiceName)
 151                 throw( ::com::sun::star::uno::RuntimeException );
 152     virtual ::com::sun::star::uno::Sequence< rtl::OUString > SAL_CALL getSupportedServiceNames(void)
 153                 throw( ::com::sun::star::uno::RuntimeException );
 154 };
 155
 156
 157 #endif