/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */ /* * This file is part of the LibreOffice project. * * This Source Code Form is subject to the terms of the Mozilla Public * License, v. 2.0. If a copy of the MPL was not distributed with this * file, You can obtain one at http://mozilla.org/MPL/2.0/. * * This file incorporates work covered by the following license notice: * * Licensed to the Apache Software Foundation (ASF) under one or more * contributor license agreements. See the NOTICE file distributed * with this work for additional information regarding copyright * ownership. The ASF licenses this file to you under the Apache * License, Version 2.0 (the "License"); you may not use this file * except in compliance with the License. You may obtain a copy of * the License at http://www.apache.org/licenses/LICENSE-2.0 . */ #include #ifndef INCLUDED_UNOTOOLS_TEXTSEARCH_HXX #define INCLUDED_UNOTOOLS_TEXTSEARCH_HXX #include #include #include #include #include #include class CharClass; namespace com { namespace sun { namespace star { namespace util { struct SearchResult; } } } } // ............................................................................ namespace utl { // ............................................................................ // Utility class for searching class UNOTOOLS_DLLPUBLIC SearchParam { public: enum SearchType{ SRCH_NORMAL, SRCH_REGEXP, SRCH_LEVDIST }; private: OUString sSrchStr; // the search string OUString sReplaceStr; // the replace string SearchType m_eSrchType; // search normal/regular/LevDist int m_bWordOnly : 1; // used by normal search int m_bSrchInSel : 1; // search only in the selection int m_bCaseSense : 1; // // values for the "weight Levenshtein-Distance" int bLEV_Relaxed : 1; int nLEV_OtherX; int nLEV_ShorterY; int nLEV_LongerZ; // asian flags - used for the transliteration long nTransliterationFlags; public: SearchParam( const OUString &rText, SearchType eSrchType = SearchParam::SRCH_NORMAL, bool bCaseSensitive = true, bool bWordOnly = false, bool bSearchInSelection = false ); SearchParam( const SearchParam& ); ~SearchParam(); const OUString& GetSrchStr() const { return sSrchStr; } const OUString& GetReplaceStr() const { return sReplaceStr; } SearchType GetSrchType() const { return m_eSrchType; } int IsCaseSensitive() const { return m_bCaseSense; } int IsSrchInSelection() const { return m_bSrchInSel; } int IsSrchWordOnly() const { return m_bWordOnly; } void SetSrchStr( const OUString& rStr ) { sSrchStr = rStr; } void SetReplaceStr( const OUString& rStr ) { sReplaceStr = rStr; } void SetSrchType( SearchType eType ) { m_eSrchType = eType; } void SetCaseSensitive( int bFlag ) { m_bCaseSense = bFlag; } void SetSrchInSelection( int bFlag ) { m_bSrchInSel = bFlag; } void SetSrchWordOnly( int bFlag ) { m_bWordOnly = bFlag; } int IsSrchRelaxed() const { return bLEV_Relaxed; } int GetLEVOther() const { return nLEV_OtherX; } int GetLEVShorter() const { return nLEV_ShorterY; } int GetLEVLonger() const { return nLEV_LongerZ; } void SetSrchRelaxed( int bFlag ) { bLEV_Relaxed = bFlag; } void SetLEVOther( int nValue ) { nLEV_OtherX = nValue; } void SetLEVShorter( int nValue ) { nLEV_ShorterY = nValue; } void SetLEVLonger( int nValue ) { nLEV_LongerZ = nValue; } long GetTransliterationFlags() const { return nTransliterationFlags; } void SetTransliterationFlags( long nValue ) { nTransliterationFlags = nValue; } }; // Utility class for searching a substring in a string. // The following metrics are supported // - ordinary text (Bayer/Moore) // - regular expressions // - weighted Levenshtein distance // // This class allows forward and backward searching! class UNOTOOLS_DLLPUBLIC TextSearch { static ::com::sun::star::uno::Reference< ::com::sun::star::util::XTextSearch > getXTextSearch( const ::com::sun::star::util::SearchOptions& rPara ); com::sun::star::uno::Reference < com::sun::star::util::XTextSearch > xTextSearch; void Init( const SearchParam & rParam, const ::com::sun::star::lang::Locale& rLocale ); public: // rText is the string being searched for // this first two CTORs are deprecated! TextSearch( const SearchParam & rPara, LanguageType nLanguage ); TextSearch( const SearchParam & rPara, const CharClass& rCClass ); TextSearch( const ::com::sun::star::util::SearchOptions& rPara ); ~TextSearch(); /* search in the (selected) text the search string: rScrTxt - the text, in in which we search pStart - start position for the search pEnde - end position for the search RETURN values == true: something is found - pStart start pos of the found text, - pStart end pos of the found text, - pSrchResult - the search result with all found positions. Is only filled with more positions if the regular expression handles groups. == false: nothing found, pStart,pEnde unchanged. Definitions: start pos always inclusive, end pos always exclusive! The position must always in the right direction! search forward: start <= end search backward: end <= start */ bool SearchForward( const OUString &rStr, sal_Int32* pStart, sal_Int32* pEnd, ::com::sun::star::util::SearchResult* pRes = 0 ); bool SearchBackward( const OUString &rStr, sal_Int32* pStart, sal_Int32* pEnd, ::com::sun::star::util::SearchResult* pRes = 0 ); void SetLocale( const ::com::sun::star::util::SearchOptions& rOpt, const ::com::sun::star::lang::Locale& rLocale ); /* replace back references in the replace string by the sub expressions from the search result */ void ReplaceBackReferences( OUString& rReplaceStr, const OUString &rStr, const ::com::sun::star::util::SearchResult& rResult ); }; // ............................................................................ } // namespace utl // ............................................................................ #endif /* vim:set shiftwidth=4 softtabstop=4 expandtab: */