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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
#region Task TaskName="GetVarsFromMSBuild"
#region Reference
//System.Xml
//System.Xml.Linq
//System.Xml.XPath.XDocument
#endregion
#region Using
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text.RegularExpressions;
using System.Xml.Linq;
using System.Xml.XPath;
using Microsoft.Build.Utilities;
#endregion
#region Comment
/////////////////////////////////////////////////////////////////////////////////////////////////
/// TASK GetVarsFromMSBuild
/////////////////////////////////////////////////////////////////////////////////////////////////
//
#endregion
namespace QtVsTools.QtMsBuild.Tasks
{
public static class GetVarsFromMSBuild
{
public static bool Execute(
#region Parameters
System.String Project,
Microsoft.Build.Framework.ITaskItem[] VarDefs,
System.String[] ExcludeValues,
out Microsoft.Build.Framework.ITaskItem[] OutVars)
#endregion
{
#region Code
OutVars = null;
var result = new List<Microsoft.Build.Framework.ITaskItem>();
var projectXml = XDocument.Load(Project);
projectXml.Descendants().ToList().ForEach(x => x.Name = x.Name.LocalName);
foreach (var varDef in VarDefs) {
string varName = varDef.GetMetadata("Name");
string varXPath = varDef.GetMetadata("XPath");
string varValue = "";
var valueElement = projectXml.XPathSelectElement(varXPath);
if (valueElement != null) {
var propertyName = valueElement.Name.LocalName;
varValue = Regex.Replace(valueElement.Value,
string.Format(@"[ ;][%$]\({0}\)$", propertyName),
string.Empty);
}
if (ExcludeValues != null && ExcludeValues.Length > 0) {
var varListValue = varValue.Split(';');
var includedValues = new List<string>();
var excludedValuesByType = ExcludeValues.GroupBy(x => x.EndsWith("*"));
var excludedExactValues = excludedValuesByType
.Where(x => !x.Key).SelectMany(x => x);
var excludedPrefixes = excludedValuesByType
.Where(x => x.Key).SelectMany(x => x)
.Select(x => x.Substring(0, x.Length - 1));
foreach (var value in varListValue) {
if (excludedExactValues
.Any(x => string.Equals(value, x, StringComparison.OrdinalIgnoreCase))) {
continue;
}
if (excludedPrefixes
.Any(x => value.StartsWith(x, StringComparison.OrdinalIgnoreCase))) {
continue;
}
includedValues.Add(value);
}
varValue = string.Join(";", includedValues);
}
var outVar = new TaskItem(varName.Trim());
outVar.SetMetadata("Value", varValue.Trim());
result.Add(outVar);
}
OutVars = result.ToArray();
#endregion
return true;
}
}
}
#endregion
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