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Diffstat (limited to 'unotools/inc/unotools/textsearch.hxx')
| -rw-r--r-- | unotools/inc/unotools/textsearch.hxx | 196 |
1 files changed, 196 insertions, 0 deletions
diff --git a/unotools/inc/unotools/textsearch.hxx b/unotools/inc/unotools/textsearch.hxx new file mode 100644 index 000000000000..e4cd095fcc14 --- /dev/null +++ b/unotools/inc/unotools/textsearch.hxx @@ -0,0 +1,196 @@ +/************************************************************************* + * + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. + * + * Copyright 2000, 2010 Oracle and/or its affiliates. + * + * OpenOffice.org - a multi-platform office productivity suite + * + * This file is part of OpenOffice.org. + * + * OpenOffice.org is free software: you can redistribute it and/or modify + * it under the terms of the GNU Lesser General Public License version 3 + * only, as published by the Free Software Foundation. + * + * OpenOffice.org is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU Lesser General Public License version 3 for more details + * (a copy is included in the LICENSE file that accompanied this code). + * + * You should have received a copy of the GNU Lesser General Public License + * version 3 along with OpenOffice.org. If not, see + * <http://www.openoffice.org/license.html> + * for a copy of the LGPLv3 License. + * + ************************************************************************/ +#include "unotools/unotoolsdllapi.h" + +#ifndef _UNOTOOLS_TEXTSEARCH_HXX +#define _UNOTOOLS_TEXTSEARCH_HXX +#include <i18npool/lang.h> +#include <tools/string.hxx> +#include <com/sun/star/uno/Reference.h> +#include <com/sun/star/lang/Locale.hpp> +#include <com/sun/star/util/XTextSearch.hpp> +#include <com/sun/star/util/SearchOptions.hpp> + +// Forward-Deklaration +class CharClass; + +namespace com { + namespace sun { + namespace star { + namespace util { + struct SearchResult; + } + } + } +} + +// ............................................................................ +namespace utl +{ +// ............................................................................ + +// SS - Klasse fuers Suchen +class UNOTOOLS_DLLPUBLIC SearchParam +{ +public: + enum SearchType{ SRCH_NORMAL, SRCH_REGEXP, SRCH_LEVDIST }; + +private: + String sSrchStr; // the search string + String sReplaceStr; // the replace string + + SearchType eSrchType; // search normal/regular/LevDist + + int bWordOnly : 1; // used by normal search + int bSrchInSel : 1; // search only in the selection + int 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 String &rText, + SearchType eSrchType = SearchParam::SRCH_NORMAL, + BOOL bCaseSens = TRUE, + BOOL bWrdOnly = FALSE, + BOOL bSrchInSel = FALSE ); + SearchParam( const SearchParam& ); + + const String& GetSrchStr() const { return sSrchStr; } + const String& GetReplaceStr() const { return sReplaceStr; } + SearchType GetSrchType() const { return eSrchType; } + + int IsCaseSensitive() const { return bCaseSense; } + int IsSrchInSelection() const { return bSrchInSel; } + int IsSrchWordOnly() const { return bWordOnly; } + + + void SetSrchStr( const String& rStr ) { sSrchStr = rStr; } + void SetReplaceStr( const String& rStr ) { sReplaceStr = rStr; } + void SetSrchType( SearchType eType ) { eSrchType = eType; } + + void SetCaseSensitive( int bFlag ) { bCaseSense = bFlag; } + void SetSrchInSelection( int bFlag ) { bSrchInSel = bFlag; } + void SetSrchWordOnly( int bFlag ) { 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; } +}; + +// Klasse zum Suchen eines Strings in einem String. +// Unterstuetzt werden folgende Verfahren: +// - normalen Text (Bayer/Moore) +// - regulaere Ausdruecke +// - gewichtete Levenshtein Distanz +// +// Es kann Vorwaerts und Rueckwaerts gesucht werden! + +class UNOTOOLS_DLLPUBLIC TextSearch +{ + struct CachedTextSearch + { + ::osl::Mutex mutex; + ::com::sun::star::util::SearchOptions Options; + ::com::sun::star::uno::Reference< ::com::sun::star::util::XTextSearch > xTextSearch; + }; + + static CachedTextSearch maCache; + + 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 ist der zusuchende String + // 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 + */ + int SearchFrwrd( const String &rStr, + xub_StrLen* pStart, xub_StrLen* pEnde, + ::com::sun::star::util::SearchResult* pSrchResult = 0 ); + int SearchBkwrd( const String &rStr, + xub_StrLen* pStart, xub_StrLen* pEnde, + ::com::sun::star::util::SearchResult* pSrchResult = 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( String& rReplaceStr, const String &rStr, const ::com::sun::star::util::SearchResult& rResult ); + +}; + +// ............................................................................ +} // namespace utl +// ............................................................................ + +#endif + |