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Add WithoutMetadataValue #8867

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Merged
merged 3 commits into from
Jun 27, 2023
Merged

Add WithoutMetadataValue #8867

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6e06bc8
Add WithoutMetadataValue
JaynieBai Jun 12, 2023
0c0cbbb
Refactor the test case
JaynieBai Jun 12, 2023
4add2e9
concise the catch exceptions
JaynieBai Jun 21, 2023
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31 changes: 31 additions & 0 deletions src/Build.UnitTests/Evaluation/Expander_Tests.cs
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Original file line number Diff line number Diff line change
Expand Up @@ -1118,6 +1118,37 @@ public void HasMetadata()
logger.AssertLogContains("[One|Three|Four]");
}


/// <summary>
/// Filter items by WithoutMetadataValue function
/// </summary>
[Fact]
public void WithoutMetadataValue()
{
MockLogger logger = Helpers.BuildProjectWithNewOMExpectSuccess("""
<Project>
<ItemGroup>
<_Item Include="One">
<A>true</A>
</_Item>
<_Item Include="Two">
<A>false</A>
</_Item>
<_Item Include="Three">
<A></A>
</_Item>
<_Item Include="Four">
<B></B>
</_Item>
</ItemGroup>
<Target Name="AfterBuild">
<Message Text="[@(_Item->WithoutMetadataValue('a', 'true'),'|')]"/>
</Target>
</Project>
""");

logger.AssertLogContains("[Two|Three|Four]");
}
[Fact]
public void DirectItemMetadataReferenceShouldBeCaseInsensitive()
{
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36 changes: 36 additions & 0 deletions src/Build/Evaluation/Expander.cs
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Original file line number Diff line number Diff line change
Expand Up @@ -2843,6 +2843,42 @@ internal static IEnumerable<Pair<string, S>> WithMetadataValue(Expander<P, I> ex
}
}

/// <summary>
/// Intrinsic function that returns those items don't have the given metadata value
/// Using a case insensitive comparison.
/// </summary>
internal static IEnumerable<Pair<string, S>> WithoutMetadataValue(Expander<P, I> expander, IElementLocation elementLocation, bool includeNullEntries, string functionName, IEnumerable<Pair<string, S>> itemsOfType, string[] arguments)
{
ProjectErrorUtilities.VerifyThrowInvalidProject(arguments?.Length == 2, elementLocation, "InvalidItemFunctionSyntax", functionName, arguments == null ? 0 : arguments.Length);

string metadataName = arguments[0];
string metadataValueToFind = arguments[1];

foreach (Pair<string, S> item in itemsOfType)
{
string metadataValue = null;

try
{
metadataValue = item.Value.GetMetadataValueEscaped(metadataName);
}
catch (ArgumentException ex) // Blank metadata name
{
ProjectErrorUtilities.ThrowInvalidProject(elementLocation, "CannotEvaluateItemMetadata", metadataName, ex.Message);
}
catch (InvalidOperationException ex)
{
ProjectErrorUtilities.ThrowInvalidProject(elementLocation, "CannotEvaluateItemMetadata", metadataName, ex.Message);
}

if (!String.Equals(metadataValue, metadataValueToFind, StringComparison.OrdinalIgnoreCase))
{
// return a result through the enumerator
yield return new Pair<string, S>(item.Key, item.Value);
}
}
}

/// <summary>
/// Intrinsic function that returns a boolean to indicate if any of the items have the given metadata value
/// Using a case insensitive comparison.
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