src/lyrics_fetcher.h

   1 /***************************************************************************
   2  *   Copyright (C) 2008-2014 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 #ifdef HAVE_CURL_CURL_H
  27
  28 #include <string>
  29
  30 struct LyricsFetcher
  31 {
  32         typedef std::pair<bool, std::string> Result;
  33
  34         virtual const char *name() = 0;
  35         virtual Result fetch(const std::string &artist, const std::string &title);
  36
  37 protected:
  38         virtual const char *urlTemplate() = 0;
  39         virtual const char *regex() = 0;
  40
  41         virtual bool notLyrics(const std::string &) { return false; }
  42         virtual void postProcess(std::string &data);
  43
  44         std::vector<std::string> getContent(const char *regex, const std::string &data);
  45
  46         static const char msgNotFound[];
  47 };
  48
  49 struct LyricwikiFetcher : public LyricsFetcher
  50 {
  51         virtual const char *name() { return "lyricwiki.com"; }
  52         virtual Result fetch(const std::string &artist, const std::string &title);
  53
  54 protected:
  55         virtual const char *urlTemplate() { return "http://lyrics.wikia.com/api.php?action=lyrics&fmt=xml&func=getSong&artist=%artist%&song=%title%"; }
  56         virtual const char *regex() { return "<url>(.*?)</url>"; }
  57
  58         virtual bool notLyrics(const std::string &data);
  59 };
  60
  61 /**********************************************************************/
  62
  63 struct GoogleLyricsFetcher : public LyricsFetcher
  64 {
  65         virtual Result fetch(const std::string &artist, const std::string &title);
  66
  67 protected:
  68         virtual const char *urlTemplate() { return URL; }
  69         virtual const char *siteKeyword() { return name(); }
  70
  71         virtual bool isURLOk(const std::string &url);
  72
  73 private:
  74         const char *URL;
  75 };
  76
  77 struct MetrolyricsFetcher : public GoogleLyricsFetcher
  78 {
  79         virtual const char *name() { return "metrolyrics.com"; }
  80
  81 protected:
  82         virtual const char *regex() { return "<div id=\"lyrics-body\">(.*?)</div>"; }
  83
  84         virtual bool isURLOk(const std::string &url);
  85         virtual void postProcess(std::string &data);
  86 };
  87
  88 struct LyricsmaniaFetcher : public GoogleLyricsFetcher
  89 {
  90         virtual const char *name() { return "lyricsmania.com"; }
  91
  92 protected:
  93         virtual const char *regex() { return "<div class=\"lyrics-body\".*?</strong>(.*?)</div>"; }
  94 };
  95
  96 struct Sing365Fetcher : public GoogleLyricsFetcher
  97 {
  98         virtual const char *name() { return "sing365.com"; }
  99
 100 protected:
 101         virtual const char *regex() { return "<script src=\"//srv.tonefuse.com/showads/showad.js\"></script>(.*?)<script>\n/\\* Sing365 - Below Lyrics"; }
 102
 103         virtual void postProcess(std::string &data);
 104 };
 105
 106 struct JustSomeLyricsFetcher : public GoogleLyricsFetcher
 107 {
 108         virtual const char *name() { return "justsomelyrics.com"; }
 109
 110 protected:
 111         virtual const char *regex() { return "<div class=\"core-left\">(.*?)</div>"; }
 112 };
 113
 114 struct AzLyricsFetcher : public GoogleLyricsFetcher
 115 {
 116         virtual const char *name() { return "azlyrics.com"; }
 117
 118 protected:
 119         virtual const char *regex() { return "<!-- start of lyrics -->(.*?)<!-- end of lyrics -->"; }
 120 };
 121
 122 struct InternetLyricsFetcher : public GoogleLyricsFetcher
 123 {
 124         virtual const char *name() { return "the Internet"; }
 125         virtual Result fetch(const std::string &artist, const std::string &title);
 126
 127 protected:
 128         virtual const char *siteKeyword() { return "lyrics"; }
 129         virtual const char *regex() { return ""; }
 130
 131         virtual bool isURLOk(const std::string &url);
 132
 133 private:
 134         std::string URL;
 135 };
 136
 137 extern LyricsFetcher *lyricsPlugins[];
 138
 139 #endif // HAVE_CURL_CURL_H
 140
 141 #endif // NCMPCPP_LYRICS_FETCHER_H