src/LanguageServer/Protocol/Handler/Completion/CompletionCapabilityHelper.cs - main - githubmirror/roslyn

src/LanguageServer/Protocol/Handler/Completion/CompletionCapabilityHelper.cs
62 строки3 KB
Tomáš Matoušek
Move SpecializedCollections to Microsoft.CodeAnalysis.Collections namespace (#78466)
15 май 2025, 00:23
15 май 2025, 00:234358d12
// 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.Collections.Immutable;
using System.Linq;
using Microsoft.CodeAnalysis.Collections;
using Microsoft.CodeAnalysis.Shared.Extensions;
using Roslyn.LanguageServer.Protocol;
using Roslyn.Utilities;

namespace Microsoft.CodeAnalysis.LanguageServer.Handler.Completion;

internal sealed class CompletionCapabilityHelper
{
    public const string CommitCharactersPropertyName = "commitCharacters";
    public const string DataPropertyName = "data";
    public const string EditRangePropertyName = "editRange";

    public bool SupportVSInternalClientCapabilities { get; }
    public bool SupportDefaultEditRange { get; }
    public bool SupportCompletionListData { get; }
    public bool SupportVSInternalCompletionListData { get; }
    public bool SupportDefaultCommitCharacters { get; }
    public bool SupportVSInternalDefaultCommitCharacters { get; }
    public bool SupportSnippets { get; }
    public bool SupportsMarkdownDocumentation { get; }
    public ISet<CompletionItemKind> SupportedItemKinds { get; }
    public ISet<CompletionItemTag> SupportedItemTags { get; }
    public ISet<InsertTextMode> SupportedInsertTextModes { get; }

    public CompletionCapabilityHelper(ClientCapabilities clientCapabilities)
        : this(supportsVSExtensions: clientCapabilities.HasVisualStudioLspCapability(),
               completionSetting: clientCapabilities.TextDocument?.Completion)
    {
    }

    public CompletionCapabilityHelper(bool supportsVSExtensions, CompletionSetting? completionSetting)
    {
        // public LSP
        SupportSnippets = completionSetting?.CompletionItem?.SnippetSupport ?? false;
        SupportDefaultEditRange = completionSetting?.CompletionListSetting?.ItemDefaults?.Contains(EditRangePropertyName) == true;
        SupportsMarkdownDocumentation = completionSetting?.CompletionItem?.DocumentationFormat?.Contains(MarkupKind.Markdown) == true;
        SupportCompletionListData = completionSetting?.CompletionListSetting?.ItemDefaults?.Contains(DataPropertyName) == true;
        SupportDefaultCommitCharacters = completionSetting?.CompletionListSetting?.ItemDefaults?.Contains(CommitCharactersPropertyName) == true;
        SupportedItemKinds = completionSetting?.CompletionItemKind?.ValueSet?.ToSet() ?? SpecializedCollections.EmptySet<CompletionItemKind>();
        SupportedItemTags = completionSetting?.CompletionItem?.TagSupport?.ValueSet?.ToSet() ?? SpecializedCollections.EmptySet<CompletionItemTag>();
        SupportedInsertTextModes = completionSetting?.CompletionItem?.InsertTextModeSupport?.ValueSet?.ToSet() ?? SpecializedCollections.EmptySet<InsertTextMode>();

        // internal VS LSP
        if (supportsVSExtensions)
        {
            SupportVSInternalClientCapabilities = true;

            var vsCompletionSetting = completionSetting as VSInternalCompletionSetting;
            SupportVSInternalCompletionListData = vsCompletionSetting?.CompletionList?.Data == true;
            SupportVSInternalDefaultCommitCharacters = vsCompletionSetting?.CompletionList?.CommitCharacters == true;
        }
    }
}