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// Licensed to the .NET Foundation under one or more agreements.
// The .NET Foundation licenses this file to you under the MIT license.
using System;
using System.Collections.Generic;
using System.Linq;
using Microsoft.Build.Collections;
using Microsoft.Build.Construction;
using Microsoft.Build.Framework;
namespace Microsoft.Build.Experimental.BuildCheck;
/// <summary>
/// Extension methods for <see cref="ProjectItemElement"/>.
/// </summary>
public static class ItemTypeExtensions
{
public static IEnumerable<ProjectItemElement> GetItemsOfType(this IEnumerable<ProjectItemElement> items,
string itemType)
{
return items.Where(i =>
MSBuildNameIgnoreCaseComparer.Default.Equals(i.ItemType, itemType));
}
}
/// <summary>
/// Holder for evaluated items and item groups.
/// </summary>
/// <param name="items"></param>
/// <param name="itemGroups"></param>
public class ItemsHolder(IEnumerable<ProjectItemElement> items, IEnumerable<ProjectItemGroupElement> itemGroups)
{
public IEnumerable<ProjectItemElement> Items { get; } = items;
public IEnumerable<ProjectItemGroupElement> ItemGroups { get; } = itemGroups;
public IEnumerable<ProjectItemElement> GetItemsOfType(string itemType)
{
return Items.GetItemsOfType(itemType);
}
}
/// <summary>
/// BuildCheck OM data representing the evaluated items of a project.
/// </summary>
public class ParsedItemsCheckData : CheckData
{
internal ParsedItemsCheckData(
string projectFilePath,
int? projectConfigurationId,
ItemsHolder itemsHolder) :
base(projectFilePath, projectConfigurationId) => ItemsHolder = itemsHolder;
public ItemsHolder ItemsHolder { get; }
}
/// <summary>
/// BuildCheck OM data representing a task executed by a project.
/// </summary>
public sealed class TaskInvocationCheckData : CheckData
{
/// <summary>
/// Represents an input or output parameter of a task.
/// </summary>
/// <param name="Value">The value passed to (when <paramref name="IsOutput"/> is false) or from
/// (when <paramref name="IsOutput"/> is true) a task. This object can be of any type supported
/// in task parameters: <see cref="Framework.ITaskItem"/>, <see cref="Framework.ITaskItem"/>[],
/// bool, string, or anything else convertible to/from string.</param>
/// <param name="IsOutput">True for output parameters, false for input parameters.</param>
public record class TaskParameter(object? Value, bool IsOutput)
{
/// <summary>
/// Enumerates all values passed in this parameter. E.g. for Param="@(Compile)", this will return
/// all Compile items.
/// </summary>
public IEnumerable<object> EnumerateValues()
{
if (Value is System.Collections.IList list)
{
foreach (object obj in list)
{
yield return obj;
}
}
else if (Value is object obj)
{
yield return obj;
}
}
/// <summary>
/// Enumerates all values passed in this parameter, converted to strings. E.g. for Param="@(Compile)",
/// this will return all Compile item specs.
/// </summary>
public IEnumerable<string> EnumerateStringValues()
{
foreach (object obj in EnumerateValues())
{
if (obj is ITaskItem taskItem)
{
yield return taskItem.ItemSpec;
}
else
{
yield return obj.ToString() ?? "";
}
}
}
}
internal TaskInvocationCheckData(
string projectFilePath,
int? projectConfigurationId,
ElementLocation taskInvocationLocation,
string taskName,
string taskAssemblyLocation,
IReadOnlyDictionary<string, TaskParameter> parameters)
: base(projectFilePath, projectConfigurationId)
{
TaskInvocationLocation = taskInvocationLocation;
TaskName = taskName;
TaskAssemblyLocation = taskAssemblyLocation;
Parameters = parameters;
}
/// <summary>
/// The project file and line/column number where the task is invoked.
/// </summary>
public ElementLocation TaskInvocationLocation { get; }
/// <summary>
/// Name of the task.
/// </summary>
public string TaskName { get; }
/// <summary>
/// The location of the assembly containing the implementation of the task.
/// </summary>
public string TaskAssemblyLocation { get; }
/// <summary>
/// The parameters of the task, keyed by parameter name.
/// </summary>
public IReadOnlyDictionary<string, TaskParameter> Parameters { get; }
}
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