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/****************************************************************************
**
** Copyright (C) 2016 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** This file is part of the Qt VS Tools.
**
** $QT_BEGIN_LICENSE:GPL-EXCEPT$
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and The Qt Company. For licensing terms
** and conditions see https://www.qt.io/terms-conditions. For further
** information use the contact form at https://www.qt.io/contact-us.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 3 as published by the Free Software
** Foundation with exceptions as appearing in the file LICENSE.GPL3-EXCEPT
** included in the packaging of this file. Please review the following
** information to ensure the GNU General Public License requirements will
** be met: https://www.gnu.org/licenses/gpl-3.0.html.
**
** $QT_END_LICENSE$
**
****************************************************************************/
using System;
using System.Text;
using System.Threading;
namespace QtProjectLib
{
class QMakeQuery : QMake
{
public delegate void EventHandler(string result);
public event EventHandler ReadyEvent;
private string queryResult;
public QMakeQuery(VersionInformation vi)
: base(null, string.Empty, false, vi)
{
qtVersionInformation = vi;
}
public string query(string property)
{
ReadyEvent += resultObtained;
var qmakeThread = new Thread(RunQMakeQuery);
qmakeThread.Start(property);
qmakeThread.Join();
return queryResult;
}
private void resultObtained(string result)
{
queryResult = result;
}
private void RunQMakeQuery(object property)
{
if (property == null)
return;
var propertyString = property.ToString();
var result = string.Empty;
qmakeProcess = CreateQmakeProcess("-query " + propertyString.Trim(), qtVersionInformation.qtDir + "\\bin\\qmake", qtVersionInformation.qtDir);
try {
if (qmakeProcess.Start()) {
errOutput = new StringBuilder();
errOutputLines = 0;
stdOutput = new StringBuilder();
stdOutputLines = 0;
var errorThread = new Thread(ReadStandardError);
var outputThread = new Thread(ReadStandardOutput);
errorThread.Start();
outputThread.Start();
qmakeProcess.WaitForExit();
errorThread.Join();
outputThread.Join();
errorValue = qmakeProcess.ExitCode;
if (stdOutputLines > 0) {
result = stdOutput.ToString();
var dashIndex = result.IndexOf('-');
if (dashIndex == -1) {
errorValue = -1;
result = string.Empty;
} else {
result = result.Substring(dashIndex + 1).Trim();
}
}
}
qmakeProcess.Close();
} catch (Exception) {
qmakeProcess = null;
errorValue = -1;
} finally {
InvokeExternalTarget(ReadyEvent, result);
}
}
}
}
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