167 lines
4.0 KiB
C++
167 lines
4.0 KiB
C++
/* Copyright 2013-2015 MultiMC Contributors
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#include "LwjglVersionList.h"
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#include "Env.h"
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#include <QtNetwork>
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#include <QtXml>
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#include <QRegExp>
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#include <QDebug>
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#define RSS_URL "https://sourceforge.net/projects/java-game-lib/rss"
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LWJGLVersionList::LWJGLVersionList(QObject *parent) : BaseVersionList(parent)
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{
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}
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QVariant LWJGLVersionList::data(const QModelIndex &index, int role) const
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{
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if (!index.isValid())
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return QVariant();
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if (index.row() > count())
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return QVariant();
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const PtrLWJGLVersion version = m_vlist.at(index.row());
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switch (role)
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{
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case Qt::DisplayRole:
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return version->name();
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case Qt::ToolTipRole:
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return version->url();
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default:
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return QVariant();
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}
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}
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QVariant LWJGLVersionList::headerData(int section, Qt::Orientation orientation, int role) const
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{
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switch (role)
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{
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case Qt::DisplayRole:
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return tr("Version");
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case Qt::ToolTipRole:
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return tr("LWJGL version name.");
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default:
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return QVariant();
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}
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}
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int LWJGLVersionList::columnCount(const QModelIndex &parent) const
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{
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return 1;
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}
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void LWJGLVersionList::loadList()
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{
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if(m_loading)
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{
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return;
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}
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m_loading = true;
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qDebug() << "Downloading LWJGL RSS...";
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m_rssDLJob.reset(new NetJob("LWJGL RSS"));
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m_rssDL = Net::Download::makeByteArray(QUrl(RSS_URL), &m_rssData);
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m_rssDLJob->addNetAction(m_rssDL);
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connect(m_rssDLJob.get(), &NetJob::failed, this, &LWJGLVersionList::rssFailed);
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connect(m_rssDLJob.get(), &NetJob::succeeded, this, &LWJGLVersionList::rssSucceeded);
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m_rssDLJob->start();
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}
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inline QDomElement getDomElementByTagName(QDomElement parent, QString tagname)
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{
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QDomNodeList elementList = parent.elementsByTagName(tagname);
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if (elementList.count())
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return elementList.at(0).toElement();
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else
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return QDomElement();
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}
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void LWJGLVersionList::rssFailed(const QString& reason)
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{
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m_loading = false;
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qWarning() << "Failed to load LWJGL list. Network error: " + reason;
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}
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void LWJGLVersionList::rssSucceeded()
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{
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QRegExp lwjglRegex("lwjgl-(([0-9]\\.?)+)\\.zip");
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Q_ASSERT_X(lwjglRegex.isValid(), "load LWJGL list", "LWJGL regex is invalid");
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QDomDocument doc;
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QString xmlErrorMsg;
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int errorLine;
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if (!doc.setContent(m_rssData, false, &xmlErrorMsg, &errorLine))
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{
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qWarning() << "Failed to load LWJGL list. XML error: " + xmlErrorMsg + " at line " + QString::number(errorLine);
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m_loading = false;
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m_rssData.clear();
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return;
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}
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m_rssData.clear();
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QDomNodeList items = doc.elementsByTagName("item");
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QList<PtrLWJGLVersion> tempList;
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for (int i = 0; i < items.length(); i++)
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{
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Q_ASSERT_X(items.at(i).isElement(), "load LWJGL list", "XML element isn't an element... wat?");
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QDomElement linkElement = getDomElementByTagName(items.at(i).toElement(), "link");
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if (linkElement.isNull())
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{
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qDebug() << "Link element" << i << "in RSS feed doesn't exist! Skipping.";
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continue;
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}
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QString link = linkElement.text();
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// Make sure it's a download link.
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if (link.endsWith("/download") && link.contains(lwjglRegex))
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{
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QString name = link.mid(lwjglRegex.indexIn(link) + 6);
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// Subtract 4 here to remove the .zip file extension.
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name = name.left(lwjglRegex.matchedLength() - 10);
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QUrl url(link);
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if (!url.isValid())
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{
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qWarning() << "LWJGL version URL isn't valid:" << link << "Skipping.";
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continue;
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}
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qDebug() << "Discovered LWGL version" << name << "at" << link;
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tempList.append(std::make_shared<LWJGLVersion>(name, link));
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}
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}
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beginResetModel();
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m_vlist.swap(tempList);
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endResetModel();
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qDebug() << "Loaded LWJGL list.";
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m_loading = false;
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}
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