src/lyrics_fetcher.h

   1 /***************************************************************************
   2  *   Copyright (C) 2008-2017 by Andrzej Rybczak                            *
   3  *   electricityispower@gmail.com                                          *
   4  *                                                                         *
   5  *   This program is free software; you can redistribute it and/or modify  *
   6  *   it under the terms of the GNU General Public License as published by  *
   7  *   the Free Software Foundation; either version 2 of the License, or     *
   8  *   (at your option) any later version.                                   *
   9  *                                                                         *
  10  *   This program is distributed in the hope that it will be useful,       *
  11  *   but WITHOUT ANY WARRANTY; without even the implied warranty of        *
  12  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *
  13  *   GNU General Public License for more details.                          *
  14  *                                                                         *
  15  *   You should have received a copy of the GNU General Public License     *
  16  *   along with this program; if not, write to the                         *
  17  *   Free Software Foundation, Inc.,                                       *
  18  *   51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA.              *
  19  ***************************************************************************/
  20
  21 #ifndef NCMPCPP_LYRICS_FETCHER_H
  22 #define NCMPCPP_LYRICS_FETCHER_H
  23
  24 #include "config.h"
  25
  26 #include <memory>
  27 #include <string>
  28
  29 struct LyricsFetcher
  30 {
  31         typedef std::pair<bool, std::string> Result;
  32
  33         virtual ~LyricsFetcher() { }
  34
  35         virtual const char *name() const = 0;
  36         virtual Result fetch(const std::string &artist, const std::string &title);
  37
  38 protected:
  39         virtual const char *urlTemplate() const = 0;
  40         virtual const char *regex() const = 0;
  41
  42         virtual bool notLyrics(const std::string &) const { return false; }
  43         virtual void postProcess(std::string &data) const;
  44
  45         std::vector<std::string> getContent(const char *regex, const std::string &data);
  46
  47         static const char msgNotFound[];
  48 };
  49
  50 typedef std::unique_ptr<LyricsFetcher> LyricsFetcher_;
  51
  52 typedef std::vector<LyricsFetcher_> LyricsFetchers;
  53
  54 std::istream &operator>>(std::istream &is, LyricsFetcher_ &fetcher);
  55
  56 /**********************************************************************/
  57
  58 struct LyricwikiFetcher : public LyricsFetcher
  59 {
  60         virtual const char *name() const override { return "lyricwiki.com"; }
  61         virtual Result fetch(const std::string &artist, const std::string &title) override;
  62
  63 protected:
  64         virtual const char *urlTemplate() const override { return "http://lyrics.wikia.com/api.php?action=lyrics&fmt=xml&func=getSong&artist=%artist%&song=%title%"; }
  65         virtual const char *regex() const override { return "<url>(.*?)</url>"; }
  66
  67         virtual bool notLyrics(const std::string &data) const override;
  68 };
  69
  70 /**********************************************************************/
  71
  72 struct GoogleLyricsFetcher : public LyricsFetcher
  73 {
  74         virtual Result fetch(const std::string &artist, const std::string &title);
  75
  76 protected:
  77         virtual const char *urlTemplate() const { return URL; }
  78         virtual const char *siteKeyword() const { return name(); }
  79
  80         virtual bool isURLOk(const std::string &url);
  81
  82 private:
  83         const char *URL;
  84 };
  85
  86 struct MetrolyricsFetcher : public GoogleLyricsFetcher
  87 {
  88         virtual const char *name() const override { return "metrolyrics.com"; }
  89
  90 protected:
  91         virtual const char *regex() const override { return "<div class=\"lyrics-body\">(.*?)</div>"; }
  92
  93         virtual bool isURLOk(const std::string &url) override;
  94 };
  95
  96 struct LyricsmaniaFetcher : public GoogleLyricsFetcher
  97 {
  98         virtual const char *name() const override { return "lyricsmania.com"; }
  99
 100 protected:
 101         virtual const char *regex() const override { return "<div class=\"lyrics-body\".*?</div>(.*?)</div>"; }
 102 };
 103
 104 struct Sing365Fetcher : public GoogleLyricsFetcher
 105 {
 106         virtual const char *name() const override { return "sing365.com"; }
 107
 108 protected:
 109         virtual const char *regex() const override { return "<div class=\"content\">.*?</script></div>(.*?)<script>"; }
 110 };
 111
 112 struct JustSomeLyricsFetcher : public GoogleLyricsFetcher
 113 {
 114         virtual const char *name() const override { return "justsomelyrics.com"; }
 115
 116 protected:
 117         virtual const char *regex() const override { return "<div class=\"content.*?</div>(.*?)See also"; }
 118 };
 119
 120 struct AzLyricsFetcher : public GoogleLyricsFetcher
 121 {
 122         virtual const char *name() const override { return "azlyrics.com"; }
 123
 124 protected:
 125         virtual const char *regex() const override { return "<div class=\"lyricsh\">.*?</h2>.*<div>(.*?)</div>"; }
 126 };
 127
 128 struct GeniusFetcher : public GoogleLyricsFetcher
 129 {
 130         virtual const char *name() const override { return "genius.com"; }
 131
 132 protected:
 133         virtual const char *regex() const override { return "<div class=\"lyrics\">(.*?)</div>"; }
 134 };
 135
 136 struct JahLyricsFetcher : public GoogleLyricsFetcher
 137 {
 138         virtual const char *name() const override { return "jah-lyrics.com"; }
 139
 140 protected:
 141         virtual const char *regex() const override { return "<div class=\"song-header\">.*?</div>(.*?)<p class=\"disclaimer\">"; }
 142 };
 143
 144 struct PLyricsFetcher : public GoogleLyricsFetcher
 145 {
 146         virtual const char *name() const override { return "plyrics.com"; }
 147
 148 protected:
 149         virtual const char *regex() const override { return "<!-- start of lyrics -->(.*?)<!-- end of lyrics -->"; }
 150 };
 151
 152 struct TekstowoFetcher : public GoogleLyricsFetcher
 153 {
 154         virtual const char *name() const override { return "tekstowo.pl"; }
 155
 156 protected:
 157         virtual const char *regex() const override { return "<div class=\"song-text\">.*?</h2>(.*?)<a"; }
 158 };
 159
 160 struct InternetLyricsFetcher : public GoogleLyricsFetcher
 161 {
 162         virtual const char *name() const override { return "the Internet"; }
 163         virtual Result fetch(const std::string &artist, const std::string &title) override;
 164
 165 protected:
 166         virtual const char *siteKeyword() const override { return nullptr; }
 167         virtual const char *regex() const override { return ""; }
 168
 169         virtual bool isURLOk(const std::string &url) override;
 170
 171 private:
 172         std::string URL;
 173 };
 174
 175 #endif // NCMPCPP_LYRICS_FETCHER_H