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// Copyright (C) 2025 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only WITH Qt-GPL-exception-1.0
using System.IO;
using System.Text.RegularExpressions;
namespace QtVsTools.Core
{
public enum Platform
{
x86,
x64,
arm64
}
/// <summary>
/// A very simple reader for the qconfig.pri file.
/// </summary>
internal class QtConfig
{
public Platform Platform { get; }
public string Namespace { get; }
public string VersionString { get; }
public QtConfig(string qtDir)
{
var fi = new FileInfo(qtDir + "\\mkspecs\\qconfig.pri");
if (!fi.Exists)
fi = new FileInfo(qtDir + "\\..\\mkspecs\\qconfig.pri");
if (!fi.Exists)
return;
var qConfig = File.ReadAllText(fi.FullName);
var variableDef = new Regex(@"(\w+)\s*\{|(\})|([\w\.]+)\s*[\+\-]?\=(.*)\n");
var lastBlock = "";
var inBlock = false;
foreach (Match match in variableDef.Matches(qConfig)) {
var block = match.Groups[1].Value;
var blockEnd = match.Groups[2].Value;
var name = match.Groups[3].Value;
var data = match.Groups[4].Value;
if (!string.IsNullOrEmpty(block)) {
inBlock = true;
if (block == "else" && !string.IsNullOrEmpty(lastBlock))
lastBlock = "!" + lastBlock;
else
lastBlock = block;
} else if (!string.IsNullOrEmpty(blockEnd)) {
inBlock = false;
if (lastBlock.StartsWith("!"))
lastBlock = "";
} else if (!string.IsNullOrEmpty(name) && !string.IsNullOrEmpty(data)
&& (!inBlock || lastBlock == "!host_build")) {
data = data.Replace("\r", "").Trim();
switch (name) {
case "QT_ARCH":
Platform = data switch {
"x86_64" => Platform.x64,
"arm64" => Platform.arm64,
_ => Platform.x86
};
break;
case "QT_NAMESPACE":
Namespace = data;
break;
case "QT_VERSION":
VersionString = data;
break;
}
}
}
}
}
}
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