Clementine-audio-player-Mac.../src/songinfo/ultimatelyricsreader.cpp

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/* This file is part of Clementine.
Copyright 2010, David Sansome <me@davidsansome.com>
Clementine 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 3 of the License, or
(at your option) any later version.
Clementine 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 Clementine. If not, see <http://www.gnu.org/licenses/>.
*/
#include "ultimatelyricsprovider.h"
#include "ultimatelyricsreader.h"
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#include "core/logging.h"
#include <QCoreApplication>
#include <QFile>
#include <QXmlStreamReader>
UltimateLyricsReader::UltimateLyricsReader(QObject* parent)
: QObject(parent), thread_(qApp->thread()) {}
void UltimateLyricsReader::SetThread(QThread* thread) { thread_ = thread; }
QList<SongInfoProvider*> UltimateLyricsReader::Parse(const QString& filename)
const {
QFile file(filename);
if (!file.open(QIODevice::ReadOnly)) {
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qLog(Warning) << "Error opening" << filename;
return QList<SongInfoProvider*>();
}
return ParseDevice(&file);
}
QList<SongInfoProvider*> UltimateLyricsReader::ParseDevice(QIODevice* device)
const {
QList<SongInfoProvider*> ret;
QXmlStreamReader reader(device);
while (!reader.atEnd()) {
reader.readNext();
if (reader.name() == "provider") {
SongInfoProvider* provider = ParseProvider(&reader);
if (provider) {
provider->moveToThread(thread_);
ret << provider;
}
}
}
return ret;
}
SongInfoProvider* UltimateLyricsReader::ParseProvider(QXmlStreamReader* reader)
const {
QXmlStreamAttributes attributes = reader->attributes();
UltimateLyricsProvider* scraper = new UltimateLyricsProvider;
scraper->set_name(attributes.value("name").toString());
scraper->set_title(attributes.value("title").toString());
scraper->set_charset(attributes.value("charset").toString());
scraper->set_url(attributes.value("url").toString());
while (!reader->atEnd()) {
reader->readNext();
if (reader->tokenType() == QXmlStreamReader::EndElement) break;
if (reader->tokenType() == QXmlStreamReader::StartElement) {
if (reader->name() == "extract")
scraper->add_extract_rule(ParseRule(reader));
else if (reader->name() == "exclude")
scraper->add_exclude_rule(ParseRule(reader));
else if (reader->name() == "invalidIndicator")
scraper->add_invalid_indicator(ParseInvalidIndicator(reader));
else if (reader->name() == "urlFormat") {
scraper->add_url_format(
reader->attributes().value("replace").toString(),
reader->attributes().value("with").toString());
reader->skipCurrentElement();
} else
reader->skipCurrentElement();
}
}
return scraper;
}
UltimateLyricsProvider::Rule UltimateLyricsReader::ParseRule(
QXmlStreamReader* reader) const {
UltimateLyricsProvider::Rule ret;
while (!reader->atEnd()) {
reader->readNext();
if (reader->tokenType() == QXmlStreamReader::EndElement) break;
if (reader->tokenType() == QXmlStreamReader::StartElement) {
if (reader->name() == "item") {
QXmlStreamAttributes attr = reader->attributes();
if (attr.hasAttribute("tag"))
ret << UltimateLyricsProvider::RuleItem(attr.value("tag").toString(),
QString());
else if (attr.hasAttribute("url"))
ret << UltimateLyricsProvider::RuleItem(attr.value("url").toString(),
QString());
else if (attr.hasAttribute("begin"))
ret << UltimateLyricsProvider::RuleItem(
attr.value("begin").toString(),
attr.value("end").toString());
}
reader->skipCurrentElement();
}
}
return ret;
}
QString UltimateLyricsReader::ParseInvalidIndicator(QXmlStreamReader* reader)
const {
QString ret = reader->attributes().value("value").toString();
reader->skipCurrentElement();
return ret;
}