Mercurial > hg > easyhg
view src/versiontester.cpp @ 633:db62a0cb3037
* Added setting to specify that diff command should be run once for each selected file, rather than passing all file names to diff command (p4merge doesn't like being given many files)
author | Sam Izzo <sam@humbug.net> |
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date | Mon, 27 Aug 2012 01:26:57 +1000 |
parents | 533519ebc0cb |
children | ae67ea0af696 |
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/* -*- c-basic-offset: 4 indent-tabs-mode: nil -*- vi:set ts=8 sts=4 sw=4: */ /* EasyMercurial Based on hgExplorer by Jari Korhonen Copyright (c) 2010 Jari Korhonen Copyright (c) 2012 Chris Cannam Copyright (c) 2012 Queen Mary, University of London 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. See the file COPYING included with this distribution for more information. */ #include "versiontester.h" #include "debug.h" #include <iostream> #include <QHttp> VersionTester::VersionTester(QString hostname, QString versionFilePath, QString myVersion) : m_httpFailed(false), m_myVersion(myVersion) { QHttp *http = new QHttp(); connect(http, SIGNAL(responseHeaderReceived(const QHttpResponseHeader &)), this, SLOT(httpResponseHeaderReceived(const QHttpResponseHeader &))); connect(http, SIGNAL(done(bool)), this, SLOT(httpDone(bool))); http->setHost(hostname); http->get(versionFilePath); } VersionTester::~VersionTester() { } bool VersionTester::isVersionNewerThan(QString a, QString b) { QRegExp re("[._-]"); QStringList alist = a.split(re, QString::SkipEmptyParts); QStringList blist = b.split(re, QString::SkipEmptyParts); int ae = alist.size(); int be = blist.size(); int e = std::max(ae, be); for (int i = 0; i < e; ++i) { int an = 0, bn = 0; if (i < ae) { an = alist[i].toInt(); if (an == 0) an = -1; // non-numeric field -> "-pre1" etc } if (i < be) { bn = blist[i].toInt(); if (bn == 0) bn = -1; } if (an < bn) return false; if (an > bn) return true; } return false; } void VersionTester::httpResponseHeaderReceived(const QHttpResponseHeader &h) { if (h.statusCode() / 100 != 2) m_httpFailed = true; } void VersionTester::httpDone(bool error) { QHttp *http = const_cast<QHttp *>(dynamic_cast<const QHttp *>(sender())); if (!http) return; http->deleteLater(); if (error || m_httpFailed) return; QByteArray responseData = http->readAll(); QString str = QString::fromUtf8(responseData.data()); QStringList lines = str.split('\n', QString::SkipEmptyParts); if (lines.empty()) return; QString latestVersion = lines[0]; DEBUG << "Comparing current version \"" << m_myVersion << "\" with latest version \"" << latestVersion << "\"" << endl; if (isVersionNewerThan(latestVersion, m_myVersion)) { emit newerVersionAvailable(latestVersion); } }