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using System.Collections;
using System.Collections.Generic;
using System.Linq;
using System.Diagnostics;
using System.Globalization;
using LibGit2Sharp.Core;
using LibGit2Sharp.Core.Handles;
namespace LibGit2Sharp
{
/// <summary>
/// The collection of <see cref="RefSpec"/>s in a <see cref="Remote"/>
/// </summary>
[DebuggerDisplay("{DebuggerDisplay,nq}")]
public class RefSpecCollection : IEnumerable<RefSpec>
{
readonly IList<RefSpec> refspecs;
/// <summary>
/// Needed for mocking purposes.
/// </summary>
protected RefSpecCollection()
{ }
internal RefSpecCollection(RemoteSafeHandle handle)
{
Ensure.ArgumentNotNull(handle, "handle");
refspecs = RetrieveRefSpecs(handle);
}
static IList<RefSpec> RetrieveRefSpecs(RemoteSafeHandle remoteHandle)
{
int count = Proxy.git_remote_refspec_count(remoteHandle);
List<RefSpec> refSpecs = new List<RefSpec>();
for (int i = 0; i < count; i++)
{
using (GitRefSpecHandle handle = Proxy.git_remote_get_refspec(remoteHandle, i))
{
refSpecs.Add(RefSpec.BuildFromPtr(handle));
}
}
return refSpecs;
}
/// <summary>
/// Returns an enumerator that iterates through the collection.
/// </summary>
/// <returns>An <see cref="IEnumerator{T}"/> object that can be used to iterate through the collection.</returns>
public virtual IEnumerator<RefSpec> GetEnumerator()
{
return refspecs.GetEnumerator();
}
/// <summary>
/// Returns an enumerator that iterates through the collection.
/// </summary>
/// <returns>An <see cref="IEnumerator"/> object that can be used to iterate through the collection.</returns>
IEnumerator IEnumerable.GetEnumerator()
{
return GetEnumerator();
}
private string DebuggerDisplay
{
get
{
return string.Format(CultureInfo.InvariantCulture,
"Count = {0}", this.Count());
}
}
}
}
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