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#include <QXmlStreamReader>
#include <QFile>
#include <QtDebug>
#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
{
for(LyricsProvider *provider : qAsConst(m_providers))
{
if(provider->name() == name)
return provider;
}
return nullptr;
}
QStringList UltimateLyricsParser::defaultProviders()
{
QStringList out = {
"lyrics.wikia.com",
"Encyclopaedia Metallum",
"letras.mus.br",
"darklyrics.com"
};
return out;
}
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