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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.Collections;
using System.IO;
using System.Runtime.InteropServices;
using System.Runtime.Versioning;
using System.Text.RegularExpressions;
namespace QtProjectLib
{
public class VersionInformation
{
//fields
public string qtDir;
public uint qtMajor; // X in version x.y.z
public uint qtMinor; // Y in version x.y.z
public uint qtPatch; // Z in version x.y.z
public bool qt5Version = true;
private QtConfig qtConfig;
private QMakeConf qmakeConf;
private string vsPlatformName;
private static readonly Hashtable _cache = new Hashtable();
public static VersionInformation Get(string qtDir)
{
qtDir = qtDir ?? Environment.GetEnvironmentVariable("QTDIR");
if (qtDir == null)
return null;
qtDir = new FileInfo(qtDir).FullName.ToUpperInvariant();
var versionInfo = _cache[qtDir] as VersionInformation;
if (versionInfo == null) {
versionInfo = new VersionInformation(qtDir);
_cache.Add(qtDir, versionInfo);
} else if (versionInfo.qtDir == null) {
versionInfo = new VersionInformation(qtDir);
_cache[qtDir] = versionInfo;
}
return versionInfo;
}
public static void Clear()
{
_cache.Clear();
}
private VersionInformation(string qtDirIn)
{
qtDir = qtDirIn;
SetupPlatformSpecificData();
// Find version number
try {
var qmakeQuery = new QMakeQuery(this);
var strVersion = qmakeQuery.query("QT_VERSION");
if (qmakeQuery.ErrorValue == 0 && strVersion.Length > 0) {
var versionParts = strVersion.Split('.');
if (versionParts.Length != 3) {
qtDir = null;
return;
}
qtMajor = uint.Parse(versionParts[0]);
qtMinor = uint.Parse(versionParts[1]);
qtPatch = uint.Parse(versionParts[2]);
} else {
var inF = new StreamReader(Locate_qglobal_h());
var rgxpVersion = new Regex("#define\\s*QT_VERSION\\s*0x(?<number>\\d+)", RegexOptions.Multiline);
var contents = inF.ReadToEnd();
inF.Close();
var matchObj = rgxpVersion.Match(contents);
if (!matchObj.Success) {
qtDir = null;
return;
}
strVersion = matchObj.Groups[1].ToString();
var version = Convert.ToUInt32(strVersion, 16);
qtMajor = version >> 16;
qtMinor = (version >> 8) & 0xFF;
qtPatch = version & 0xFF;
}
qt5Version = (qtMajor == 5);
try {
QtInstallDocs = qmakeQuery.query("QT_INSTALL_DOCS");
} catch { }
} catch {
qtDir = null;
}
}
public string QtInstallDocs
{
get; private set;
}
public string QMakeSpecDirectory
{
get { return qmakeConf.QMakeSpecDirectory; }
}
public bool IsStaticBuild()
{
if (qtConfig == null)
qtConfig = new QtConfig(qtDir);
return qtConfig.BuildType == BuildType.Static;
}
public string GetQMakeConfEntry(string entryName)
{
if (qmakeConf == null)
qmakeConf = new QMakeConf(this);
return qmakeConf.Entries[entryName].ToString();
}
/// <summary>
/// Returns the platform name in a way Visual Studio understands.
/// </summary>
public string GetVSPlatformName()
{
return vsPlatformName;
}
/// <summary>
/// Read platform name from qmake.conf.
/// </summary>
private void SetupPlatformSpecificData()
{
if (qmakeConf == null)
qmakeConf = new QMakeConf(this); // TODO: Do we need this?
vsPlatformName = (is64Bit()) ? @"x64" : @"Win32";
}
private string Locate_qglobal_h()
{
string[] candidates = {qtDir + "\\include\\qglobal.h",
qtDir + "\\src\\corelib\\global\\qglobal.h",
qtDir + "\\include\\QtCore\\qglobal.h"};
foreach (var filename in candidates) {
if (File.Exists(filename)) {
// check whether we look at the real qglobal.h or just a "pointer"
var inF = new StreamReader(filename);
var rgxpVersion = new Regex("#include\\s+\"(.+global.h)\"", RegexOptions.Multiline);
var matchObj = rgxpVersion.Match(inF.ReadToEnd());
inF.Close();
if (!matchObj.Success)
return filename;
if (matchObj.Groups.Count >= 2) {
var origCurrentDirectory = Directory.GetCurrentDirectory();
Directory.SetCurrentDirectory(filename.Substring(0, filename.Length - 10)); // remove "\\qglobal.h"
var absIncludeFile = Path.GetFullPath(matchObj.Groups[1].ToString());
Directory.SetCurrentDirectory(origCurrentDirectory);
if (File.Exists(absIncludeFile))
return absIncludeFile;
}
}
}
throw new QtVSException("qglobal.h not found");
}
internal static class NativeMethods
{
[DllImport("kernel32.dll",
BestFitMapping = false,
CharSet = CharSet.Auto,
SetLastError = true)
]
[ResourceExposure(ResourceScope.None)]
internal static extern int GetBinaryType(string lpApplicationName, ref int lpBinaryType);
}
public bool is64Bit()
{
// ### This does not work for x64 cross builds of Qt.
// ### In that case qmake.exe is 32 bit but the DLLs are 64 bit.
// ### So actually we should check QtCore4.dll / QtCored4.dll instead.
// ### Unfortunately there's no Win API for checking the architecture of DLLs.
// ### We must read the PE header instead.
var fileToCheck = qtDir + "\\bin\\qmake.exe";
if (!File.Exists(fileToCheck))
throw new QtVSException("Can't find " + fileToCheck);
var SCS_32BIT_BINARY = 0;
var SCS_64BIT_BINARY = 6;
var binaryType = 0;
var success = NativeMethods.GetBinaryType(fileToCheck, ref binaryType) != 0;
if (!success)
throw new QtVSException("GetBinaryTypeA failed");
if (binaryType == SCS_32BIT_BINARY)
return false;
if (binaryType == SCS_64BIT_BINARY)
return true;
throw new QtVSException("GetBinaryTypeA return unknown executable format for " + fileToCheck);
}
}
}
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