1 /* 2 * Copyright (C) 2010, 2013 Nicolas Bonnefon and other contributors 3 * 4 * This file is part of glogg. 5 * 6 * glogg is free software: you can redistribute it and/or modify 7 * it under the terms of the GNU General Public License as published by 8 * the Free Software Foundation, either version 3 of the License, or 9 * (at your option) any later version. 10 * 11 * glogg is distributed in the hope that it will be useful, 12 * but WITHOUT ANY WARRANTY; without even the implied warranty of 13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 14 * GNU General Public License for more details. 15 * 16 * You should have received a copy of the GNU General Public License 17 * along with glogg. If not, see <http://www.gnu.org/licenses/>. 18 */ 19 20 #ifndef QUICKFINDPATTERN_H 21 #define QUICKFINDPATTERN_H 22 23 #include <QObject> 24 #include <QString> 25 #include <QRegularExpression> 26 #include <QList> 27 28 // Represents a match result for QuickFind 29 class QuickFindMatch 30 { 31 public: 32 // Construct a match (must be initialised) QuickFindMatch(int start_column,int length)33 QuickFindMatch( int start_column, int length ) 34 { startColumn_ = start_column; length_ = length; } 35 36 // Accessor functions startColumn()37 int startColumn() const { return startColumn_; } length()38 int length() const { return length_; } 39 40 private: 41 int startColumn_; 42 int length_; 43 }; 44 45 // Represents a search pattern for QuickFind (without its results) 46 class QuickFindPattern : public QObject 47 { 48 Q_OBJECT 49 50 public: 51 // Construct an empty search 52 QuickFindPattern(); 53 54 // Set the search to a new pattern, using the current 55 // case status 56 void changeSearchPattern( const QString& pattern ); 57 58 // Set the search to a new pattern, as well as the case status 59 void changeSearchPattern( const QString& pattern, bool ignoreCase ); 60 61 // Returns whether the search is active (i.e. valid and non empty regexp) isActive()62 bool isActive() const { return active_; } 63 64 // Return the text of the regex getPattern()65 QString getPattern() const { return regexp_.pattern(); } 66 67 // Returns whether the passed line match the quick find search. 68 // If so, it populate the passed list with the list of matches 69 // within this particular line. 70 bool matchLine( const QString& line, 71 QList<QuickFindMatch>& matches ) const; 72 73 // Returns whether there is a match in the passed line, starting at 74 // the passed column. 75 // Results are stored internally. 76 bool isLineMatching( const QString& line, int column = 0 ) const; 77 78 // Same as isLineMatching but search backward 79 bool isLineMatchingBackward( const QString& line, int column = -1 ) const; 80 81 // Must be called when isLineMatching returns 'true', returns 82 // the position of the first match found. 83 void getLastMatch( int* start_col, int* end_col ) const; 84 85 signals: 86 // Sent when the pattern is changed 87 void patternUpdated(); 88 89 private: 90 bool active_; 91 QRegularExpression regexp_; 92 93 mutable int lastMatchStart_; 94 mutable int lastMatchEnd_; 95 }; 96 97 #endif 98