File indexing completed on 2024-05-19 04:55:59
0001 /** 0002 * \file textimporter.h 0003 * Import tags from text. 0004 * 0005 * \b Project: Kid3 0006 * \author Urs Fleisch 0007 * \date 19 Jun 2011 0008 * 0009 * Copyright (C) 2011-2024 Urs Fleisch 0010 * 0011 * This file is part of Kid3. 0012 * 0013 * Kid3 is free software; you can redistribute it and/or modify 0014 * it under the terms of the GNU General Public License as published by 0015 * the Free Software Foundation; either version 2 of the License, or 0016 * (at your option) any later version. 0017 * 0018 * Kid3 is distributed in the hope that it will be useful, 0019 * but WITHOUT ANY WARRANTY; without even the implied warranty of 0020 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 0021 * GNU General Public License for more details. 0022 * 0023 * You should have received a copy of the GNU General Public License 0024 * along with this program. If not, see <http://www.gnu.org/licenses/>. 0025 */ 0026 0027 #pragma once 0028 0029 #include <QString> 0030 #include <QScopedPointer> 0031 #include "kid3api.h" 0032 0033 class ImportTrackDataVector; 0034 class ImportParser; 0035 class TrackDataModel; 0036 class TrackData; 0037 /** 0038 * Import tags from text. 0039 */ 0040 class KID3_CORE_EXPORT TextImporter { 0041 public: 0042 /** 0043 * Constructor. 0044 * 0045 * @param trackDataModel track data to be filled with imported values 0046 */ 0047 explicit TextImporter(TrackDataModel* trackDataModel); 0048 0049 /** 0050 * Destructor. 0051 */ 0052 ~TextImporter(); 0053 0054 /** 0055 * Update track data list with imported tags. 0056 * 0057 * @param text text to import 0058 * @param headerFormat header format 0059 * @param trackFormat track format 0060 * 0061 * @return true if tags were found. 0062 */ 0063 bool updateTrackData(const QString& text, 0064 const QString& headerFormat, const QString& trackFormat); 0065 0066 /** 0067 * Import text from tags to other tags. 0068 * 0069 * @param sourceFormat format to create source text 0070 * @param extractionFormat regular expression to extract other tags 0071 * @param trackDataVector track data to process 0072 */ 0073 static void importFromTags( 0074 const QString& sourceFormat, 0075 const QString& extractionFormat, 0076 ImportTrackDataVector& trackDataVector); 0077 0078 /** 0079 * Import text from tags to other tags. 0080 * 0081 * @param sourceFormat format to create source text 0082 * @param parser import parser which is initialized with extraction format 0083 * @param trackData track data to process 0084 */ 0085 static void importFromTags( 0086 const QString& sourceFormat, ImportParser& parser, TrackData& trackData); 0087 0088 private: 0089 Q_DISABLE_COPY(TextImporter) 0090 0091 /** 0092 * Look for album specific information (artist, album, year, genre) in 0093 * a header. 0094 * 0095 * @param frames frames to put resulting values in, 0096 * fields which are not found are not touched. 0097 * 0098 * @return true if one or more field were found. 0099 */ 0100 bool parseHeader(TrackData& frames); 0101 0102 /** 0103 * Get next line as frames from imported file or clipboard. 0104 * 0105 * @param frames frames 0106 * @param start true to start with the first line, false for all 0107 * other lines 0108 * 0109 * @return true if ok (result in st), 0110 * false if end of file reached. 0111 */ 0112 bool getNextTags(TrackData& frames, bool start); 0113 0114 /** 0115 * Get list with track durations. 0116 * 0117 * @return list with track durations, 0118 * empty if no track durations found. 0119 */ 0120 QList<int> getTrackDurations() const; 0121 0122 /** contents of imported file/clipboard */ 0123 QString m_text; 0124 /** header format */ 0125 QString m_headerFormat; 0126 /** track format */ 0127 QString m_trackFormat; 0128 /** header parser object */ 0129 QScopedPointer<ImportParser> m_headerParser; 0130 /** track parser object */ 0131 QScopedPointer<ImportParser> m_trackParser; 0132 /** track data */ 0133 TrackDataModel* m_trackDataModel; 0134 };