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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 Microsoft.CodeAnalysis.LanguageService;
using Microsoft.CodeAnalysis.Shared.Extensions;
using Microsoft.CodeAnalysis.Text;
using Microsoft.VisualStudio.Commanding;
using Microsoft.VisualStudio.Text.Editor.Commanding.Commands;
namespace Microsoft.CodeAnalysis.Editor.Implementation.InlineRename;
internal abstract partial class AbstractRenameCommandHandler :
IChainedCommandHandler<TypeCharCommandArgs>
{
public CommandState GetCommandState(TypeCharCommandArgs args, Func<CommandState> nextHandler)
=> GetCommandState(nextHandler);
public void ExecuteCommand(TypeCharCommandArgs args, Action nextHandler, CommandExecutionContext context)
{
HandlePossibleTypingCommand(args, nextHandler, context.OperationContext, (activeSession, _, span) =>
{
var document = args.SubjectBuffer.CurrentSnapshot.GetOpenDocumentInCurrentContextWithChanges();
if (document == null)
{
nextHandler();
return;
}
var syntaxFactsService = document.GetLanguageService<ISyntaxFactsService>();
// We are inside the region we can edit, so let's forward only if it's a valid
// character
if (syntaxFactsService == null ||
syntaxFactsService.IsIdentifierStartCharacter(args.TypedChar) ||
syntaxFactsService.IsIdentifierPartCharacter(args.TypedChar) ||
syntaxFactsService.IsStartOfUnicodeEscapeSequence(args.TypedChar))
{
nextHandler();
}
});
}
}
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