// 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.
 
#nullable disable
 
using System.Runtime.InteropServices;
using System.Threading;
using Microsoft.VisualStudio;
using Microsoft.VisualStudio.TextManager.Interop;
 
namespace Microsoft.VisualStudio.LanguageServices.Implementation.Snippets
{
    internal abstract partial class AbstractSnippetFunction : IVsExpansionFunction
    {
        int IVsExpansionFunction.GetDefaultValue(out string bstrValue, [ComAliasName("Microsoft.VisualStudio.OLE.Interop.BOOL")] out int fHasDefaultValue)
            => GetDefaultValue(CancellationToken.None, out bstrValue, out fHasDefaultValue);
 
        int IVsExpansionFunction.GetCurrentValue(out string bstrValue, out int fHasCurrentValue)
            => GetCurrentValue(CancellationToken.None, out bstrValue, out fHasCurrentValue);
 
        int IVsExpansionFunction.FieldChanged(string bstrField, out int fRequeryFunction)
            => FieldChanged(bstrField, out fRequeryFunction);
 
        int IVsExpansionFunction.GetFunctionType(out uint funcType)
        {
            funcType = (int)_ExpansionFunctionType.eft_Value;
            return VSConstants.S_OK;
        }
 
        int IVsExpansionFunction.GetListCount(out int count)
        {
            count = 0;
            return VSConstants.S_OK;
        }
 
        int IVsExpansionFunction.GetListText(int index, out string text)
        {
            text = string.Empty;
            return VSConstants.E_NOTIMPL;
        }
 
        int IVsExpansionFunction.ReleaseFunction()
        {
            snippetExpansionClient = null;
            return VSConstants.S_OK;
        }
    }
}