128 lines
3.4 KiB
C++
128 lines
3.4 KiB
C++
/*
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Copyright (C) 2015 Srivats P.
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This file is part of "Ostinato"
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This is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>
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*/
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#include "updater.h"
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#include <QHttp>
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#include <QTemporaryFile>
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#include <QXmlStreamReader>
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extern const char* version;
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Updater::Updater()
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{
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http_ = NULL;
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file_ = NULL;
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#if 1
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// Tests!
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Q_ASSERT(isVersionNewer("1.1", "1") == true);
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Q_ASSERT(isVersionNewer("10.1", "2") == true);
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Q_ASSERT(isVersionNewer("0.10", "0.2") == true);
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Q_ASSERT(isVersionNewer("1.10.1", "1.2.3") == true);
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#endif
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}
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Updater::~Updater()
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{
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delete http_;
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delete file_;
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}
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void Updater::checkForNewVersion()
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{
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http_ = new QHttp("wiki.ostinato.googlecode.com");
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file_ = new QTemporaryFile();
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connect(http_, SIGNAL(responseHeaderReceived(QHttpResponseHeader)),
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this, SLOT(responseReceived(QHttpResponseHeader)));
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connect(http_, SIGNAL(requestFinished(int, bool)),
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this, SLOT(parseXml(int, bool)));
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connect(http_, SIGNAL(stateChanged(int)),
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this, SLOT(stateUpdate(int)));
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file_->open();
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qDebug("Updater: PAD XML file - %s", qPrintable(file_->fileName()));
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http_->get("/hg/html/pad.xml", file_);
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qDebug("Updater: %s", qPrintable(http_->currentRequest().toString()
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.replace("\r\n", "\nUpdater: ")));
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}
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void Updater::stateUpdate(int state)
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{
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qDebug("Updater: state %d", state);
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}
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void Updater::responseReceived(QHttpResponseHeader response)
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{
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qDebug("Updater: HTTP/%d.%d %d %s",
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response.majorVersion(), response.minorVersion(),
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response.statusCode(), qPrintable(response.reasonPhrase()));
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}
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void Updater::parseXml(int id, bool error)
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{
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QXmlStreamReader xml;
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QString newVersion;
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if (error) {
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qDebug("Updater: %s", qPrintable(http_->errorString()));
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goto _exit;
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}
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// Close and reopen the file so that we read from the top
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file_->close();
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file_->open();
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xml.setDevice(file_);
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while (!xml.atEnd()) {
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xml.readNext();
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if (xml.isStartElement() && (xml.name() == "Program_Version"))
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newVersion = xml.readElementText();
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}
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qDebug("Updater: latest version = %s", qPrintable(newVersion));
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if (!newVersion.isEmpty() && isVersionNewer(newVersion, QString(version)))
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emit newVersionAvailable(newVersion);
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_exit:
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// Job done, time to self-destruct
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deleteLater();
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}
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bool Updater::isVersionNewer(QString newVersion, QString curVersion)
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{
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QStringList curVer = QString(curVersion).split('.');
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QStringList newVer = QString(newVersion).split('.');
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for (int i = 0; i < qMin(curVer.size(), newVer.size()); i++) {
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bool isOk;
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if (newVer.at(i).toUInt(&isOk) > curVer.at(i).toUInt(&isOk))
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return true;
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}
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if (newVer.size() > curVer.size())
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return true;
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return false;
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}
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