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/***************************************************************************
* Copyright (C) 2019-2021 by Ilya Kotov *
* forkotov02@ya.ru *
* *
* Based on Amarok 2 Ultimate Lyrics script *
* Copyright (C) 2009-2010 Vladimir Brkic <vladimir_brkic@yahoo.com> *
* *
* 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 <QXmlStreamReader>
#include <QFile>
#include <QtDebug>
#include <algorithm>
#if (QT_VERSION < QT_VERSION_CHECK(5, 7, 0)) //qAsConst template
#include <qmmp/qmmp.h>
#endif
#include "ultimatelyricsparser.h"
UltimateLyricsParser::UltimateLyricsParser()
{}
UltimateLyricsParser::~UltimateLyricsParser()
{
qDeleteAll(m_providers);
m_providers.clear();
}
bool UltimateLyricsParser::load(const QString &path)
{
qDeleteAll(m_providers);
m_providers.clear();
QFile file(path);
if(!file.open(QIODevice::ReadOnly))
{
m_errorString = file.errorString();
return false;
}
QXmlStreamReader reader(&file);
QString parentElement;
QList<QPair<QString, QString> > args;
while(!reader.atEnd())
{
reader.readNext();
if(reader.isStartElement())
{
if(reader.name() == "provider")
{
LyricsProvider *provider = new LyricsProvider;
QXmlStreamAttributes attrs = reader.attributes();
provider->setName(attrs.value("name").toString());
provider->setTitle(attrs.value("title").toString());
provider->setUrl(attrs.value("url").toString());
provider->setCharset(attrs.value("charser").toString());
m_providers << provider;
}
else if(reader.name() == "urlFormat" && !m_providers.isEmpty())
{
m_providers.last()->addUrlFormat(reader.attributes().value("replace").toString(),
reader.attributes().value("with").toString());
}
else if(reader.name() == "extract" || reader.name() == "exclude")
{
parentElement = reader.name().toString();
}
else if(reader.name() == "invalidIndicator" && !m_providers.isEmpty())
{
m_providers.last()->addInvalidIndicator(reader.attributes().value("value").toString());
}
else if(reader.name() == "item")
{
QXmlStreamAttributes attrs = reader.attributes();
QString arg1, arg2;
if(attrs.hasAttribute("begin") && attrs.hasAttribute("end"))
{
arg1 = attrs.value("begin").toString();
arg2 = attrs.value("end").toString();
}
else if(attrs.hasAttribute("tag"))
{
arg1 = attrs.value("tag").toString();
}
else if(attrs.hasAttribute("url"))
{
arg1 = attrs.value("url").toString();
}
args << qMakePair(arg1, arg2);
}
}
else if(reader.isEndElement())
{
if(reader.name() == "extract" || reader.name() == "exclude")
{
parentElement.clear();
m_providers.last()->addRule(args, reader.name() == "exclude");
args.clear();
}
}
if(reader.hasError())
{
m_errorString = tr("%1 (line: %2)").arg(reader.errorString()).arg(reader.lineNumber());
return false;
}
}
return true;
}
const QString &UltimateLyricsParser::errorString() const
{
return m_errorString;
}
const QList<LyricsProvider *> &UltimateLyricsParser::providers()
{
return m_providers;
}
LyricsProvider *UltimateLyricsParser::provider(const QString &name) const
{
auto it = std::find_if(m_providers.cbegin(), m_providers.cend(), [name](LyricsProvider *provider){ return provider->name() == name; });
return it == m_providers.cend() ? nullptr : *it;
}
const QStringList &UltimateLyricsParser::defaultProviders()
{
static const QStringList out = {
"lyrics.wikia.com",
"Encyclopaedia Metallum",
"letras.mus.br",
"darklyrics.com"
};
return out;
}
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