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using System;
using LibGit2Sharp.Handlers;
namespace LibGit2Sharp.Core
{
internal class PackbuilderCallbacks
{
private readonly PackBuilderProgressHandler onPackBuilderProgress;
/// <summary>S
/// Constructor to set up the native callback given managed delegate.
/// </summary>
/// <param name="onPackBuilderProgress">The <see cref="PackBuilderProgressHandler"/> delegate that the git_packbuilder_progress will call.</param>
internal PackbuilderCallbacks(PackBuilderProgressHandler onPackBuilderProgress)
{
this.onPackBuilderProgress = onPackBuilderProgress;
}
/// <summary>
/// Generates a delegate that matches the native git_packbuilder_progress function's signature and wraps the <see cref="PackBuilderProgressHandler"/> delegate.
/// </summary>
/// <returns>A delegate method with a signature that matches git_transfer_progress_callback.</returns>
internal NativeMethods.git_packbuilder_progress GenerateCallback()
{
if (onPackBuilderProgress == null)
{
return null;
}
return new PackbuilderCallbacks(onPackBuilderProgress).OnGitPackBuilderProgress;
}
private int OnGitPackBuilderProgress(int stage, uint current, uint total, IntPtr payload)
{
return Proxy.ConvertResultToCancelFlag(onPackBuilderProgress((PackBuilderStage)stage, (int)current, (int)total));
}
}
}
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