LCOV - code coverage report
Current view: top level - include/unotools - textsearch.hxx (source / functions) Hit Total Coverage
Test: commit 10e77ab3ff6f4314137acd6e2702a6e5c1ce1fae Lines: 7 11 63.6 %
Date: 2014-11-03 Functions: 7 11 63.6 %
Legend: Lines: hit not hit

          Line data    Source code
       1             : /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
       2             : /*
       3             :  * This file is part of the LibreOffice project.
       4             :  *
       5             :  * This Source Code Form is subject to the terms of the Mozilla Public
       6             :  * License, v. 2.0. If a copy of the MPL was not distributed with this
       7             :  * file, You can obtain one at http://mozilla.org/MPL/2.0/.
       8             :  *
       9             :  * This file incorporates work covered by the following license notice:
      10             :  *
      11             :  *   Licensed to the Apache Software Foundation (ASF) under one or more
      12             :  *   contributor license agreements. See the NOTICE file distributed
      13             :  *   with this work for additional information regarding copyright
      14             :  *   ownership. The ASF licenses this file to you under the Apache
      15             :  *   License, Version 2.0 (the "License"); you may not use this file
      16             :  *   except in compliance with the License. You may obtain a copy of
      17             :  *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
      18             :  */
      19             : #include <unotools/unotoolsdllapi.h>
      20             : 
      21             : #ifndef INCLUDED_UNOTOOLS_TEXTSEARCH_HXX
      22             : #define INCLUDED_UNOTOOLS_TEXTSEARCH_HXX
      23             : #include <i18nlangtag/lang.h>
      24             : #include <rtl/ustring.hxx>
      25             : #include <com/sun/star/uno/Reference.h>
      26             : #include <com/sun/star/lang/Locale.hpp>
      27             : #include <com/sun/star/util/XTextSearch.hpp>
      28             : #include <com/sun/star/util/SearchOptions.hpp>
      29             : 
      30             : class CharClass;
      31             : 
      32             : namespace com {
      33             :     namespace sun {
      34             :         namespace star {
      35             :             namespace util {
      36             :                 struct SearchResult;
      37             :             }
      38             :         }
      39             :     }
      40             : }
      41             : 
      42             : namespace utl
      43             : {
      44             : 
      45             : // Utility class for searching
      46             : class UNOTOOLS_DLLPUBLIC SearchParam
      47             : {
      48             : public:
      49             :     enum SearchType{ SRCH_NORMAL, SRCH_REGEXP, SRCH_LEVDIST };
      50             : 
      51             : private:
      52             :     OUString sSrchStr;            // the search string
      53             :     OUString sReplaceStr;         // the replace string
      54             : 
      55             :     SearchType m_eSrchType;       // search normal/regular/LevDist
      56             : 
      57             :     bool m_bWordOnly   : 1;        // used by normal search
      58             :     bool m_bSrchInSel  : 1;        // search only in the selection
      59             :     bool m_bCaseSense  : 1;
      60             : 
      61             :     // values for the "weight Levenshtein-Distance"
      62             :     bool bLEV_Relaxed : 1;
      63             :     int nLEV_OtherX;
      64             :     int nLEV_ShorterY;
      65             :     int nLEV_LongerZ;
      66             : 
      67             :     // asian flags - used for the transliteration
      68             :     long nTransliterationFlags;
      69             : 
      70             : public:
      71             :     SearchParam( const OUString &rText,
      72             :                     SearchType eSrchType = SearchParam::SRCH_NORMAL,
      73             :                     bool bCaseSensitive = true,
      74             :                     bool bWordOnly = false,
      75             :                     bool bSearchInSelection = false );
      76             : 
      77             :     SearchParam( const SearchParam& );
      78             : 
      79             :     ~SearchParam();
      80             : 
      81          12 :     const OUString& GetSrchStr() const          { return sSrchStr; }
      82          12 :     const OUString& GetReplaceStr() const       { return sReplaceStr; }
      83          12 :     SearchType      GetSrchType() const         { return m_eSrchType; }
      84             : 
      85          12 :     bool            IsCaseSensitive() const     { return m_bCaseSense; }
      86          10 :     bool            IsSrchInSelection() const   { return m_bSrchInSel; }
      87           2 :     bool            IsSrchWordOnly() const      { return m_bWordOnly; }
      88             : 
      89             :     void SetSrchStr( const OUString& rStr )     { sSrchStr = rStr; }
      90             :     void SetReplaceStr( const OUString& rStr )  { sReplaceStr = rStr; }
      91             :     void SetSrchType( SearchType eType )        { m_eSrchType = eType; }
      92             : 
      93             :     void SetCaseSensitive( int bFlag )          { m_bCaseSense = bFlag; }
      94             :     void SetSrchInSelection( int bFlag )        { m_bSrchInSel = bFlag; }
      95             :     void SetSrchWordOnly( int bFlag )           { m_bWordOnly = bFlag; }
      96             : 
      97           0 :     bool            IsSrchRelaxed() const       { return bLEV_Relaxed; }
      98           0 :     int             GetLEVOther() const         { return nLEV_OtherX; }
      99           0 :     int             GetLEVShorter() const       { return nLEV_ShorterY; }
     100           0 :     int             GetLEVLonger() const        { return nLEV_LongerZ; }
     101             : 
     102             :     void SetSrchRelaxed( int bFlag )            { bLEV_Relaxed = bFlag; }
     103             :     void SetLEVOther( int nValue )              { nLEV_OtherX = nValue; }
     104             :     void SetLEVShorter( int nValue )            { nLEV_ShorterY = nValue; }
     105             :     void SetLEVLonger( int nValue )             { nLEV_LongerZ = nValue; }
     106             : 
     107          12 :     long GetTransliterationFlags() const        { return nTransliterationFlags; }
     108             :     void SetTransliterationFlags( long nValue ) { nTransliterationFlags = nValue; }
     109             : };
     110             : 
     111             : //  Utility class for searching a substring in a string.
     112             : //  The following metrics are supported
     113             : //      - ordinary text (Bayer/Moore)
     114             : //      - regular expressions
     115             : //      - weighted Levenshtein distance
     116             : 
     117             : //  This class allows forward and backward searching!
     118             : 
     119             : class UNOTOOLS_DLLPUBLIC TextSearch
     120             : {
     121             :     static ::com::sun::star::uno::Reference< ::com::sun::star::util::XTextSearch >
     122             :         getXTextSearch( const ::com::sun::star::util::SearchOptions& rPara );
     123             : 
     124             :     com::sun::star::uno::Reference < com::sun::star::util::XTextSearch >
     125             :             xTextSearch;
     126             : 
     127             :     void Init( const SearchParam & rParam,
     128             :                const ::com::sun::star::lang::Locale& rLocale );
     129             : 
     130             : public:
     131             :     // rText is the string being searched for
     132             :     // this first two CTORs are deprecated!
     133             :     TextSearch( const SearchParam & rPara, LanguageType nLanguage );
     134             :     TextSearch( const SearchParam & rPara, const CharClass& rCClass );
     135             : 
     136             :     TextSearch( const ::com::sun::star::util::SearchOptions& rPara );
     137             :     ~TextSearch();
     138             : 
     139             :     /* search in the (selected) text the search string:
     140             :         rScrTxt - the text, in in which we search
     141             :         pStart  - start position for the search
     142             :         pEnde   - end position for the search
     143             : 
     144             :         RETURN values   ==  true: something is found
     145             :                         - pStart start pos of the found text,
     146             :                         - pStart end pos of the found text,
     147             :                         - pSrchResult - the search result with all found
     148             :                              positions. Is only filled with more positions
     149             :                              if the regular expression handles groups.
     150             : 
     151             :                         == false: nothing found, pStart,pEnde unchanged.
     152             : 
     153             :         Definitions: start pos always inclusive, end pos always exclusive!
     154             :                      The position must always in the right direction!
     155             :                     search forward: start <= end
     156             :                     search backward: end <= start
     157             :     */
     158             :     bool SearchForward( const OUString &rStr,
     159             :                         sal_Int32* pStart, sal_Int32* pEnd,
     160             :                         ::com::sun::star::util::SearchResult* pRes = 0 );
     161             :     bool SearchBackward( const OUString &rStr,
     162             :                         sal_Int32* pStart, sal_Int32* pEnd,
     163             :                         ::com::sun::star::util::SearchResult* pRes = 0 );
     164             : 
     165             :     void SetLocale( const ::com::sun::star::util::SearchOptions& rOpt,
     166             :                     const ::com::sun::star::lang::Locale& rLocale );
     167             : 
     168             :     /* replace back references in the replace string by the sub expressions from the search result */
     169             :     void ReplaceBackReferences( OUString& rReplaceStr, const OUString &rStr, const ::com::sun::star::util::SearchResult& rResult );
     170             : 
     171             : };
     172             : 
     173             : }   // namespace utl
     174             : 
     175             : #endif
     176             : 
     177             : /* vim:set shiftwidth=4 softtabstop=4 expandtab: */

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