Sayonara Player
Expression.h
1 /* TagExpression.h */
2 
3 /* Copyright (C) 2011-2020 Michael Lugmair (Lucio Carreras)
4  *
5  * This file is part of sayonara player
6  *
7  * This program is free software: you can redistribute it and/or modify
8  * it under the terms of the GNU General Public License as published by
9  * the Free Software Foundation, either version 3 of the License, or
10  * (at your option) any later version.
11 
12  * This program is distributed in the hope that it will be useful,
13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15  * GNU General Public License for more details.
16 
17  * You should have received a copy of the GNU General Public License
18  * along with this program. If not, see <http://www.gnu.org/licenses/>.
19  */
20 
21 #ifndef TAGEXPRESSION_H
22 #define TAGEXPRESSION_H
23 
24 #include "Utils/Pimpl.h"
25 
26 class MetaData;
27 
28 namespace Tagging
29 {
30  using TagString=QString;
31  using ReplacedString=QString;
32 
33  enum TagName
34  {
35  TagNone=0,
36  TagTitle,
37  TagAlbum,
38  TagArtist,
39  TagTrackNum,
40  TagYear,
41  TagDisc,
42  TagIgnore
43  };
44 
45  QMap<Tagging::TagName, TagString> tag_name_map();
46  TagString tag_name_to_string(Tagging::TagName name);
47  Tagging::TagName tag_string_to_name(const TagString& tag_string);
48 
53  class Expression
54  {
55  PIMPL(Expression)
56 
57  private:
63  QString escape_special_chars(const QString& str) const;
64 
65 
71  QString calc_regex_string(const QStringList& splitted_tag_str) const;
72 
73 
79  QStringList split_tag_string(const QString& tag_str) const;
80 
81 
88  bool update_tag(const QString& tag_str, const QString& filepath);
89 
90 
91  public:
92  Expression()=delete;
93  Expression(const QString& tag_str, const QString& filepath);
94  virtual ~Expression();
95 
96  QMap<Tagging::TagName, QString> captured_tags() const;
97  bool is_valid() const;
98 
99  bool apply(MetaData& md) const;
100  };
101 }
102 
103 #endif // TAGEXPRESSION_H
QMap
Definition: org_mpris_media_player2_adaptor.h:21
Tagging
The GUI_TagEdit class.
Definition: GenreFetcher.h:34
Tagging::Expression
The TagExpression class.
Definition: Expression.h:54
MetaData
The MetaData class.
Definition: MetaData.h:47