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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;
using System.Collections.Generic;
using System.IO;
using System.Linq;
using System.Xml;
using System.Xml.Linq;
namespace QtVsTools.Core.MsBuild
{
using static Common.Utils;
using static MsBuildProjectFormat;
public partial class MsBuildProjectReaderWriter
{
private bool ConvertToV3()
{
try {
V3FormatVersion();
V3QtMsBuildFallback();
V3QtDefaultProps();
V3QtSettings();
V3WarningQtMsBuildNotFound();
V3QtPropertySheet();
V3UncategorizedProperties();
V3QtTargets();
} catch (Exception e) {
e.Log();
return false;
}
return true;
}
private void V3FormatVersion()
{
var keyword = Globals
.Elements(ns + "Keyword")
.FirstOrDefault(x => x.Value.StartsWith(KeywordLatest)
|| x.Value.StartsWith(KeywordV2));
if (keyword is null)
Globals.Add(keyword = new XElement(ns + "Keyword"));
keyword.SetValue($"QtVS_v{(int)Version.Latest}");
Commit("Project format version");
}
private void V3QtMsBuildFallback()
{
RemoveProperty("QtMsBuild");
Globals.Add(new XElement(ns + "QtMsBuild",
new XAttribute("Condition", $@"'$(QtMsBuild)'=='' OR !Exists('{QtTargetsPath}')"),
@"$(MSBuildProjectDirectory)\QtMsBuild"));
Commit("Fallback for QTMSBUILD environment variable");
}
private void V3QtDefaultProps()
{
RemoveImport(QtDefaultPropsPath);
ImportCppProps.AddAfterSelf(new XElement(ns + "Import",
new XAttribute("Project", QtDefaultPropsPath),
new XAttribute("Condition", $"Exists('{QtDefaultPropsPath}')")));
Commit("Default Qt properties");
}
private void V3QtSettings()
{
var qtSettingsGroups = FindPropertyGroups("QtSettings")
.ToList();
if (qtSettingsGroups.Any()) {
qtSettingsGroups.ForEach(x => x.Remove());
} else {
foreach (var config in Configs) {
qtSettingsGroups.Add(new XElement(ns + "PropertyGroup",
new XAttribute("Label", "QtSettings"),
new XAttribute("Condition",
$"'$(Configuration)|$(Platform)'=='{config}'")));
// TODO: We might need to issue a conversions problem here for QtBuildConfig
// in case there is a different configuration, e.g. Test|x64. This is
// based on the fact that QtBuildConfig might fallback on 'Release'
// even though Test|x64 could be based on the Debug configuration.
}
}
// Relocate misplaced $(QtInstall) definitions (e.g. in v3.0 projects)
var qtInstallProps = FindProperty("QtInstall").ToList();
foreach (var qtSettings in qtSettingsGroups) {
var condition = qtSettings.Attribute("Condition")?.Value?.Replace(" ", "");
var qtInstall = qtInstallProps.LastOrDefault(x =>
x.Parent?.Attribute("Condition")?.Value is not { } qtInstallCondition
|| string.Equals(qtInstallCondition.Replace(" ", ""), condition, IgnoreCase));
if (qtInstall is null)
continue;
qtSettings.Add(new XElement(qtInstall));
}
qtInstallProps.ForEach(x => x.Remove());
QtDefaultProps.AddAfterSelf(qtSettingsGroups);
Commit("Qt build settings");
}
private void V3WarningQtMsBuildNotFound()
{
RemoveTarget("QtMsBuildNotFound");
QtSettings.Last()
.AddAfterSelf(new XElement(ns + "Target",
new XAttribute("Name", "QtMsBuildNotFound"),
new XAttribute("BeforeTargets", "CustomBuild;ClCompile"),
new XAttribute("Condition",
$"!Exists('{QtTargetsPath}') OR !Exists('{QtPropsPath}')"),
new XElement(ns + "Message",
new XAttribute("Importance", "High"),
new XAttribute("Text",
"QtMsBuild: could not locate qt.targets, qt.props; " +
"project may not build correctly."))));
Commit("Warn if Qt/MSBuild is not found");
}
private void V3QtPropertySheet()
{
RemoveImport(QtPropsPath);
foreach (var propSheetGroup in PropertySheetGroups) {
propSheetGroup.Add(new XElement(ns + "Import",
new XAttribute("Project", QtPropsPath)));
}
Commit("Qt property sheet");
}
private void V3UncategorizedProperties()
{
var propGroups = FindPropertyGroups().ToList();
propGroups.ForEach(x => x.Remove());
UserMacros.AddAfterSelf(propGroups);
Commit("Relocate uncategorized property sheets");
}
private void V3QtTargets()
{
RemoveImport(QtTargetsPath);
ImportCppTargets.AddAfterSelf(new XElement(ns + "Import",
new XAttribute("Project", QtTargetsPath),
new XAttribute("Condition", $"Exists('{QtTargetsPath}')")));
Commit("Qt targets");
}
private IEnumerable<XElement> FindPropertyGroups(string label = null)
{
return ProjectFile
.Element(ns + "Project")
.Elements(ns + "PropertyGroup")
.Where(x => label switch {
{ Length: > 0 } => x.Attribute("Label") is { } groupLabel
&& string.Equals(groupLabel.Value, label, IgnoreCase),
_ => x.Attribute("Label") is null
});
}
private void RemoveProperty(string name)
{
foreach (var property in FindProperty(name).ToList()) {
if (property.Parent.Elements().Count() == 1)
property.Parent.Remove();
else
property.Remove();
}
}
private IEnumerable<XElement> FindProperty(string name)
{
return ProjectFile
.Descendants(ns + name)
.Where(x => x.Parent.Name == ns + "PropertyGroup");
}
private void RemoveImport(string name)
{
var imports = ProjectFile
.Element(ns + "Project")
.Descendants(ns + "Import")
.Where(x => string.Equals(x.Attribute("Project")?.Value, name, IgnoreCase));
foreach (var import in imports.ToList()) {
if (import.Parent is { } importGroup && importGroup.Name.LocalName == "ImportGroup"
&& importGroup.Elements().Count() == 1) {
importGroup.Remove();
} else {
import.Remove();
}
}
}
private void RemoveTarget(string name)
{
var target = ProjectFile
.Element(ns + "Project")
.Elements(ns + "Target")
.FirstOrDefault(x => string.Equals(x.Attribute("Name")?.Value, name, IgnoreCase));
target?.Remove();
}
private const string QtDefaultPropsPath = @"$(QtMsBuild)\qt_defaults.props";
private const string QtPropsPath = @"$(QtMsBuild)\Qt.props";
private const string QtTargetsPath = @"$(QtMsBuild)\qt.targets";
private XDocument ProjectFile => this[Files.Project].Xml
?? throw new FileNotFoundException("Missing project file.");
private IEnumerable<string> Configs => ProjectFile
.Elements(ns + "Project")
.Elements(ns + "ItemGroup")
.Elements(ns + "ProjectConfiguration")
.Attributes("Include")
.Select(x => x.Value)
is { } configs && configs.Any() ? configs
: throw new XmlException("Missing \"ProjectConfiguration\" items.");
private XElement Globals => ProjectFile
.Elements(ns + "Project")
.Elements(ns + "PropertyGroup")
.FirstOrDefault(x => string.Equals(x.Attribute("Label")?.Value, "Globals", IgnoreCase))
?? throw new XmlException("Missing \"Globals\" property group.");
private XElement ImportCppProps => ProjectFile
.Elements(ns + "Project")
.Descendants(ns + "Import")
.Where(x => x.Attribute("Project") is { } project
&& string.Equals(project.Value, @"$(VCTargetsPath)\Microsoft.Cpp.props", IgnoreCase))
.Select(x => x.Parent.Name == ns + "ImportGroup" ? x.Parent : x)
.FirstOrDefault()
?? throw new XmlException("Missing \"Microsoft.Cpp.props\" import.");
private XElement ImportCppTargets => ProjectFile
.Elements(ns + "Project")
.Descendants(ns + "Import")
.Where(x => x.Attribute("Project") is { } project
&& string.Equals(project.Value, @"$(VCTargetsPath)\Microsoft.Cpp.targets", IgnoreCase))
.Select(x => x.Parent.Name == ns + "ImportGroup" ? x.Parent : x)
.FirstOrDefault()
?? throw new XmlException("Missing \"Microsoft.Cpp.targets\" import.");
private IEnumerable<XElement> PropertySheetGroups => ProjectFile
.Elements(ns + "Project")
.Elements(ns + "ImportGroup")
.Where(x => string.Equals(x.Attribute("Label")?.Value, "PropertySheets") == true)
is { } propertySheetGroups && propertySheetGroups.Any() ? propertySheetGroups
: throw new XmlException("Missing \"PropertySheets\" import groups.");
private XElement UserMacros => ProjectFile
.Elements(ns + "Project")
.Elements(ns + "PropertyGroup")
.LastOrDefault(x => (string)x.Attribute("Label") == "UserMacros")
?? throw new XmlException("Missing \"UserMacros\" property group.");
private XElement QtDefaultProps => ProjectFile
.Elements(ns + "Project")
.Elements(ns + "Import")
.FirstOrDefault(x =>
string.Equals(x.Attribute("Project")?.Value, QtDefaultPropsPath, IgnoreCase))
?? throw new XmlException("Missing \"qt_defaults.props\" import.");
private IEnumerable<XElement> QtSettings => FindPropertyGroups("QtSettings")
is { } qtSettings && qtSettings.Any() ? qtSettings
: throw new XmlException("Missing \"QtSettings\" property groups.");
}
}
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