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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.
// See the LICENSE file in the project root for more information.
using System;
using System.Collections.Generic;
using System.Linq;
using System.Threading.Tasks;
using Microsoft.CodeAnalysis.Editor.Shared.Extensions;
using Microsoft.CodeAnalysis.LanguageServer;
using Microsoft.CodeAnalysis.Text.Shared.Extensions;
using Microsoft.VisualStudio.Search.Data;
namespace Microsoft.CodeAnalysis.NavigateTo;
internal sealed partial class RoslynSearchItemsSourceProvider
{
/// <summary>
/// Implementation of the <see cref="ISearchResultViewFactory"/>. Responsible for actually producing both the
/// item presented in the search results list, and the async preview for that item.
/// </summary>
private sealed class RoslynSearchResultViewFactory : ISearchResultViewFactory
{
private readonly RoslynSearchItemsSourceProvider _provider;
public RoslynSearchResultViewFactory(RoslynSearchItemsSourceProvider provider)
{
_provider = provider;
}
public SearchResultViewBase CreateSearchResultView(SearchResult result)
{
if (result is not RoslynCodeSearchResult roslynResult)
return null!;
var searchResult = roslynResult.SearchResult;
return new RoslynSearchResultView(
_provider,
searchResult,
new HighlightedText(
searchResult.NavigableItem.DisplayTaggedParts.JoinText(),
searchResult.NameMatchSpans.NullToEmpty().Select(m => m.ToSpan()).ToArray()),
new HighlightedText(
searchResult.AdditionalInformation,
[]),
primaryIcon: searchResult.NavigableItem.Glyph.GetImageId());
}
public Task<IReadOnlyList<SearchResultPreviewPanelBase>> GetPreviewPanelsAsync(SearchResult result, SearchResultViewBase searchResultView)
=> Task.FromResult(GetPreviewPanels(result, searchResultView) ?? Array.Empty<SearchResultPreviewPanelBase>());
private IReadOnlyList<SearchResultPreviewPanelBase>? GetPreviewPanels(SearchResult result, SearchResultViewBase searchResultView)
{
if (result is not RoslynCodeSearchResult roslynResult)
return null;
// Try to map from the document to navigate to, to the project-guid and URI for that document. If we
// fail, don't show any preview for this item.
var document = roslynResult.SearchResult.NavigableItem.Document;
var filePath = document.FilePath;
if (filePath is null)
return null;
Uri? absoluteUri;
if (document.SourceGeneratedDocumentIdentity is not null)
{
absoluteUri = SourceGeneratedDocumentUri.Create(document.SourceGeneratedDocumentIdentity.Value);
}
else
{
try
{
absoluteUri = ProtocolConversions.CreateAbsoluteUri(filePath);
}
catch (UriFormatException)
{
// Unable to create an absolute URI for this path
return null;
}
}
var projectGuid = _provider._workspace.GetProjectGuid(document.Project.Id);
if (projectGuid == Guid.Empty)
return null;
return new SearchResultPreviewPanelBase[]
{
new RoslynSearchResultPreviewPanel(
_provider,
absoluteUri,
projectGuid,
roslynResult.SearchResult.NavigableItem.SourceSpan.ToSpan(),
searchResultView.Title.Text,
searchResultView.PrimaryIcon)
};
}
}
}
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