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 _UNOTOOLS_TEXTSEARCH_HXX
22 : #define _UNOTOOLS_TEXTSEARCH_HXX
23 : #include <i18npool/lang.h>
24 : #include <rtl/ustring.hxx>
25 : #include <tools/string.hxx>
26 : #include <com/sun/star/uno/Reference.h>
27 : #include <com/sun/star/lang/Locale.hpp>
28 : #include <com/sun/star/util/XTextSearch.hpp>
29 : #include <com/sun/star/util/SearchOptions.hpp>
30 :
31 : class CharClass;
32 :
33 : namespace com {
34 : namespace sun {
35 : namespace star {
36 : namespace util {
37 : struct SearchResult;
38 : }
39 : }
40 : }
41 : }
42 :
43 : // ............................................................................
44 : namespace utl
45 : {
46 : // ............................................................................
47 :
48 : // Utility class for searching
49 : class UNOTOOLS_DLLPUBLIC SearchParam
50 : {
51 : public:
52 : enum SearchType{ SRCH_NORMAL, SRCH_REGEXP, SRCH_LEVDIST };
53 :
54 : private:
55 : String sSrchStr; // the search string
56 : String sReplaceStr; // the replace string
57 :
58 : SearchType m_eSrchType; // search normal/regular/LevDist
59 :
60 : int m_bWordOnly : 1; // used by normal search
61 : int m_bSrchInSel : 1; // search only in the selection
62 : int m_bCaseSense : 1; //
63 :
64 : // values for the "weight Levenshtein-Distance"
65 : int bLEV_Relaxed : 1;
66 : int nLEV_OtherX;
67 : int nLEV_ShorterY;
68 : int nLEV_LongerZ;
69 :
70 : // asian flags - used for the transliteration
71 : long nTransliterationFlags;
72 :
73 : public:
74 : SearchParam( const rtl::OUString &rText,
75 : SearchType eSrchType = SearchParam::SRCH_NORMAL,
76 : sal_Bool bCaseSensitive = sal_True,
77 : sal_Bool bWordOnly = sal_False,
78 : sal_Bool bSearchInSelection = sal_False );
79 :
80 : SearchParam( const SearchParam& );
81 :
82 : ~SearchParam();
83 :
84 2 : const String& GetSrchStr() const { return sSrchStr; }
85 2 : const String& GetReplaceStr() const { return sReplaceStr; }
86 2 : SearchType GetSrchType() const { return m_eSrchType; }
87 :
88 2 : int IsCaseSensitive() const { return m_bCaseSense; }
89 2 : int IsSrchInSelection() const { return m_bSrchInSel; }
90 0 : int IsSrchWordOnly() const { return m_bWordOnly; }
91 :
92 :
93 : void SetSrchStr( const String& rStr ) { sSrchStr = rStr; }
94 : void SetReplaceStr( const String& rStr ) { sReplaceStr = rStr; }
95 : void SetSrchType( SearchType eType ) { m_eSrchType = eType; }
96 :
97 : void SetCaseSensitive( int bFlag ) { m_bCaseSense = bFlag; }
98 : void SetSrchInSelection( int bFlag ) { m_bSrchInSel = bFlag; }
99 : void SetSrchWordOnly( int bFlag ) { m_bWordOnly = bFlag; }
100 :
101 0 : int IsSrchRelaxed() const { return bLEV_Relaxed; }
102 0 : int GetLEVOther() const { return nLEV_OtherX; }
103 0 : int GetLEVShorter() const { return nLEV_ShorterY; }
104 0 : int GetLEVLonger() const { return nLEV_LongerZ; }
105 :
106 : void SetSrchRelaxed( int bFlag ) { bLEV_Relaxed = bFlag; }
107 : void SetLEVOther( int nValue ) { nLEV_OtherX = nValue; }
108 : void SetLEVShorter( int nValue ) { nLEV_ShorterY = nValue; }
109 : void SetLEVLonger( int nValue ) { nLEV_LongerZ = nValue; }
110 :
111 2 : long GetTransliterationFlags() const { return nTransliterationFlags; }
112 : void SetTransliterationFlags( long nValue ) { nTransliterationFlags = nValue; }
113 : };
114 :
115 : // Utility class for searching a substring in a string.
116 : // The following metrics are supported
117 : // - ordinary text (Bayer/Moore)
118 : // - regular expressions
119 : // - weighted Levenshtein distance
120 : //
121 : // This class allows forward and backward searching!
122 :
123 : class UNOTOOLS_DLLPUBLIC TextSearch
124 : {
125 : static ::com::sun::star::uno::Reference< ::com::sun::star::util::XTextSearch >
126 : getXTextSearch( const ::com::sun::star::util::SearchOptions& rPara );
127 :
128 : com::sun::star::uno::Reference < com::sun::star::util::XTextSearch >
129 : xTextSearch;
130 :
131 : void Init( const SearchParam & rParam,
132 : const ::com::sun::star::lang::Locale& rLocale );
133 :
134 : public:
135 : // rText is the string being searched for
136 : // this first two CTORs are deprecated!
137 : TextSearch( const SearchParam & rPara, LanguageType nLanguage );
138 : TextSearch( const SearchParam & rPara, const CharClass& rCClass );
139 :
140 : TextSearch( const ::com::sun::star::util::SearchOptions& rPara );
141 : ~TextSearch();
142 :
143 : /* search in the (selected) text the search string:
144 : rScrTxt - the text, in in which we search
145 : pStart - start position for the search
146 : pEnde - end position for the search
147 :
148 : RETURN values == sal_True: something is found
149 : - pStart start pos of the found text,
150 : - pStart end pos of the found text,
151 : - pSrchResult - the search result with all found
152 : positions. Is only filled with more positions
153 : if the regular expression handles groups.
154 :
155 : == sal_False: nothing found, pStart,pEnde unchanged.
156 :
157 : Definitions: start pos always inclusive, end pos always exclusive!
158 : The position must always in the right direction!
159 : search forward: start <= end
160 : search backward: end <= start
161 : */
162 : int SearchFrwrd( const String &rStr,
163 : xub_StrLen* pStart, xub_StrLen* pEnde,
164 : ::com::sun::star::util::SearchResult* pSrchResult = 0 );
165 : sal_Bool SearchForward( const ::rtl::OUString &rStr,
166 : sal_Int32* pStart, sal_Int32* pEnd,
167 : ::com::sun::star::util::SearchResult* pRes = 0 );
168 : int SearchBkwrd( const String &rStr,
169 : xub_StrLen* pStart, xub_StrLen* pEnde,
170 : ::com::sun::star::util::SearchResult* pSrchResult = 0 );
171 :
172 : void SetLocale( const ::com::sun::star::util::SearchOptions& rOpt,
173 : const ::com::sun::star::lang::Locale& rLocale );
174 :
175 : /* replace back references in the replace string by the sub expressions from the search result */
176 : void ReplaceBackReferences( String& rReplaceStr, const String &rStr, const ::com::sun::star::util::SearchResult& rResult );
177 :
178 : };
179 :
180 : // ............................................................................
181 : } // namespace utl
182 : // ............................................................................
183 :
184 : #endif
185 :
186 : /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
|
