rainmeter-studio/Plugins/PluginNowPlaying/Lyrics.cpp

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/*
Copyright (C) 2011 Birunthan Mohanathas (www.poiru.net)
This program is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License
as published by the Free Software Foundation; either version 2
of the License, or (at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*/
#include "StdAfx.h"
#include "Player.h"
#include "Internet.h"
#include "Lyrics.h"
/*
** Download lyrics from various serivces.
**
*/
bool CLyrics::GetFromInternet(const std::wstring& artist, const std::wstring& title, std::wstring& out)
{
std::wstring encArtist = CInternet::EncodeUrl(artist);
std::wstring encTitle = CInternet::EncodeUrl(title);
bool found = GetFromWikia(encArtist, encTitle, out) ||
GetFromLYRDB(encArtist, encTitle, out) ||
GetFromLetras(encArtist, encTitle, out);
return found;
}
/*
** Download lyrics from LyricWiki.
**
*/
bool CLyrics::GetFromWikia(const std::wstring& artist, const std::wstring& title, std::wstring& data)
{
bool ret = false;
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std::wstring url = L"http://lyrics.wikia.com/api.php?func=getSong&fmt=json&artist=" + artist;
url += L"&song=";
url += title;
data = CInternet::DownloadUrl(url, CP_UTF8);
if (!data.empty())
{
// First we get the URL to the actual wiki page
std::wstring::size_type pos = data.find(L"http://");
if (pos != std::wstring::npos)
{
data.erase(0, pos);
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pos = data.find_first_of(L'\'');
url.assign(data, 0, pos);
// Fetch the wiki page
data = CInternet::DownloadUrl(url, CP_UTF8);
if (!data.empty())
{
pos = data.find(L"'lyricbox'");
pos = data.find(L"&#", pos);
if (pos != std::wstring::npos)
{
// Get and decode lyrics
data.erase(0, pos);
pos = data.find(L"<!");
data.resize(pos);
CInternet::DecodeReferences(data);
pos = data.find(L"[...]");
if (pos != std::wstring::npos)
{
// Skip incomplete lyrics
return ret;
}
pos = data.find(L"<p>");
if (pos != std::wstring::npos)
{
// Skip unavailable lyrics
return ret;
}
while ((pos = data.find(L"<br />"), pos) != std::wstring::npos)
{
data.replace(pos, 6, L"\n");
}
// Get rid of all HTML tags
std::wstring::size_type len = 0;
while ((pos = data.find_first_of(L'<'), pos) != std::wstring::npos)
{
len = data.find_first_of(L'>', pos);
len -= pos;
data.erase(pos, ++len);
}
ret = true;
}
}
}
}
return ret;
}
/*
** Download lyrics from LYRDB.
**
*/
bool CLyrics::GetFromLYRDB(const std::wstring& artist, const std::wstring& title, std::wstring& data)
{
bool ret = false;
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std::wstring query = artist + L"|";
query += title;
// LYRDB doesn't like apostrophes
std::wstring::size_type pos = 0;
while ((pos = query.find(L"%27", pos)) != std::wstring::npos)
{
query.erase(pos, 3);
}
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std::wstring url = L"http://webservices.lyrdb.com/lookup.php?q=" + query;
url += L"&for=match&agent=RainmeterNowPlaying";
data = CInternet::DownloadUrl(url, CP_ACP);
if (!data.empty())
{
pos = data.find(L"\\");
if (pos != std::wstring::npos)
{
// Grab the first match
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url.assign(data, 0, pos);
url.insert(0, L"http://webservices.lyrdb.com/getlyr.php?q=");
data = CInternet::DownloadUrl(url, CP_ACP);
if (!data.empty())
{
ret = true;
}
}
}
return ret;
}
/*
** Download lyrics from Letras.
**
*/
bool CLyrics::GetFromLetras(const std::wstring& artist, const std::wstring& title, std::wstring& data)
{
bool ret = false;
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std::wstring url = L"http://letras.terra.com.br/winamp.php?musica=" + title;
url += L"&artista=";
url += artist;
data = CInternet::DownloadUrl(url, CP_ACP);
if (!data.empty())
{
std::wstring::size_type pos = data.find(L"\"letra\"");
pos = data.find(L"<p>", pos);
if (pos != std::wstring::npos)
{
pos += 3;
data.erase(0, pos);
pos = data.find(L"</p>");
data.resize(pos);
CInternet::DecodeReferences(data);
while ((pos = data.find(L"<br/>"), pos) != std::wstring::npos)
{
data.erase(pos, 5);
}
ret = true;
}
}
return ret;
}