src/lyrics_fetcher.h

   1 /***************************************************************************
   2  *   Copyright (C) 2008-2016 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 const char *name() const = 0;
  34         virtual Result fetch(const std::string &artist, const std::string &title);
  35
  36 protected:
  37         virtual const char *urlTemplate() const = 0;
  38         virtual const char *regex() const = 0;
  39
  40         virtual bool notLyrics(const std::string &) const { return false; }
  41         virtual void postProcess(std::string &data) const;
  42
  43         std::vector<std::string> getContent(const char *regex, const std::string &data);
  44
  45         static const char msgNotFound[];
  46 };
  47
  48 typedef std::unique_ptr<LyricsFetcher> LyricsFetcher_;
  49
  50 typedef std::vector<LyricsFetcher_> LyricsFetchers;
  51
  52 std::istream &operator>>(std::istream &is, LyricsFetcher_ &fetcher);
  53
  54 /**********************************************************************/
  55
  56 struct LyricwikiFetcher : public LyricsFetcher
  57 {
  58         virtual const char *name() const override { return "lyricwiki.com"; }
  59         virtual Result fetch(const std::string &artist, const std::string &title) override;
  60
  61 protected:
  62         virtual const char *urlTemplate() const override { return "http://lyrics.wikia.com/api.php?action=lyrics&fmt=xml&func=getSong&artist=%artist%&song=%title%"; }
  63         virtual const char *regex() const override { return "<url>(.*?)</url>"; }
  64
  65         virtual bool notLyrics(const std::string &data) const override;
  66 };
  67
  68 /**********************************************************************/
  69
  70 struct GoogleLyricsFetcher : public LyricsFetcher
  71 {
  72         virtual Result fetch(const std::string &artist, const std::string &title);
  73
  74 protected:
  75         virtual const char *urlTemplate() const { return URL; }
  76         virtual const char *siteKeyword() const { return name(); }
  77
  78         virtual bool isURLOk(const std::string &url);
  79
  80 private:
  81         const char *URL;
  82 };
  83
  84 struct MetrolyricsFetcher : public GoogleLyricsFetcher
  85 {
  86         virtual const char *name() const override { return "metrolyrics.com"; }
  87
  88 protected:
  89         virtual const char *regex() const override { return "<div class=\"lyrics-body\">(.*?)</div>"; }
  90
  91         virtual bool isURLOk(const std::string &url) override;
  92 };
  93
  94 struct LyricsmaniaFetcher : public GoogleLyricsFetcher
  95 {
  96         virtual const char *name() const override { return "lyricsmania.com"; }
  97
  98 protected:
  99         virtual const char *regex() const override { return "<div class=\"lyrics-body\".*?</strong>(.*?)</div>"; }
 100 };
 101
 102 struct Sing365Fetcher : public GoogleLyricsFetcher
 103 {
 104         virtual const char *name() const override { return "sing365.com"; }
 105
 106 protected:
 107         virtual const char *regex() const override { return "<!-Lyrics Begin->(.*?)<!-Lyrics End->"; }
 108 };
 109
 110 struct JustSomeLyricsFetcher : public GoogleLyricsFetcher
 111 {
 112         virtual const char *name() const override { return "justsomelyrics.com"; }
 113
 114 protected:
 115         virtual const char *regex() const override { return "<div class=\"content.*?</div>\\s*</div>(.*?)<div"; }
 116 };
 117
 118 struct AzLyricsFetcher : public GoogleLyricsFetcher
 119 {
 120         virtual const char *name() const override { return "azlyrics.com"; }
 121
 122 protected:
 123         virtual const char *regex() const override { return "<div class=\"lyricsh\">.*?</h2>.*<div>(.*?)</div>"; }
 124 };
 125
 126 struct GeniusFetcher : public GoogleLyricsFetcher
 127 {
 128         virtual const char *name() const override { return "genius.com"; }
 129
 130 protected:
 131         virtual const char *regex() const override { return "<lyrics.*?>(.*?)</lyrics>"; }
 132 };
 133
 134 struct TekstowoFetcher : public GoogleLyricsFetcher
 135 {
 136         virtual const char *name() const override { return "tekstowo.pl"; }
 137
 138 protected:
 139         virtual const char *regex() const override { return "<div class=\"song-text\">.*?</h2>(.*?)<a"; }
 140 };
 141
 142 struct InternetLyricsFetcher : public GoogleLyricsFetcher
 143 {
 144         virtual const char *name() const override { return "the Internet"; }
 145         virtual Result fetch(const std::string &artist, const std::string &title) override;
 146
 147 protected:
 148         virtual const char *siteKeyword() const override { return "lyrics"; }
 149         virtual const char *regex() const override { return ""; }
 150
 151         virtual bool isURLOk(const std::string &url) override;
 152
 153 private:
 154         std::string URL;
 155 };
 156
 157 #endif // NCMPCPP_LYRICS_FETCHER_H