8000 Make IndexEntry implement IEquatable to ease the check of the equalit… · Folcon/libgit2sharp@058c057 · GitHub
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Make IndexEntry implement IEquatable to ease the check of the equality of two instances
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‎LibGit2Sharp/IndexEntry.cs

Lines changed: 59 additions & 5 deletions
Original file line numberDiff line numberDiff line change
@@ -5,15 +5,18 @@
55
namespace LibGit2Sharp
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{
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/// <summary>
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/// A reference to a <see cref="Blob"/> known by the <see cref="Index"/>.
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/// A reference to a <see cref = "Blob" /> known by the <see cref = "Index" />.
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/// </summary>
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public class IndexEntry
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public class IndexEntry : IEquatable<IndexEntry>
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{
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private static readonly LambdaEqualityHelper<IndexEntry> equalityHelper =
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new LambdaEqualityHelper<IndexEntry>(new Func<IndexEntry, object>[] { x => x.Path, x => x.Id, x => x.State });
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private Func<FileStatus> state;
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/// <summary>
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/// State of the version of the <see cref="Blob"/> pointed at by this <see cref="IndexEntry"/>,
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/// compared against the <see cref="Blob"/> known from the <see cref="Repository.Head"/> and the file in the working directory.
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/// State of the version of the <see cref = "Blob" /> pointed at by this <see cref = "IndexEntry" />,
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/// compared against the <see cref = "Blob" /> known from the <see cref = "Repository.Head" /> and the file in the working directory.
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/// </summary>
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public FileStatus State
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{
@@ -26,7 +29,7 @@ public FileStatus State
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public string Path { get; private set; }
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/// <summary>
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/// Gets the id of the <see cref="Blob"/> pointed at by this index entry.
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/// Gets the id of the <see cref = "Blob" /> pointed at by this index entry.
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/// </summary>
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public ObjectId Id { get; private set; }
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@@ -40,5 +43,56 @@ internal static IndexEntry CreateFromPtr(Repository repo, IntPtr ptr)
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state = () => repo.Index.RetrieveStatus(entry.Path)
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};
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}
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/// <summary>
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/// Determines whether the specified <see cref = "Object" /> is equal to the current <see cref = "IndexEntry" />.
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/// </summary>
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/// <param name = "obj">The <see cref = "Object" /> to compare with the current <see cref = "IndexEntry" />.</param>
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/// <returns>True if the specified <see cref = "Object" /> is equal to the current <see cref = "IndexEntry" />; otherwise, false.</returns>
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public override bool Equals(object obj)
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{
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return Equals(obj as IndexEntry);
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}
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/// <summary>
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/// Determines whether the specified <see cref = "IndexEntry" /> is equal to the current <see cref = "IndexEntry" />.
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/// </summary>
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/// <param name = "other">The <see cref = "IndexEntry" /> to compare with the current <see cref = "IndexEntry" />.</param>
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/// <returns>True if the specified <see cref = "IndexEntry" /> is equal to the current <see cref = "IndexEntry" />; otherwise, false.</returns>
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public bool Equals(IndexEntry other)
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{
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return equalityHelper.Equals(this, other);
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}
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/// <summary>
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/// Returns the hash code for this instance.
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/// </summary>
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/// <returns>A 32-bit signed integer hash code.</returns>
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public override int GetHashCode()
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{
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return equalityHelper.GetHashCode(this);
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}
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/// <summary>
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/// Tests if two <see cref = "IndexEntry" /> are equal.
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/// </summary>
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/// <param name = "left">First <see cref = "IndexEntry" /> to compare.</param>
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/// <param name = "right">Second <see cref = "IndexEntry" /> to compare.</param>
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/// <returns>True if the two objects are equal; false otherwise.</returns>
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public static bool operator ==(IndexEntry left, IndexEntry right)
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{
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return Equals(left, right);
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}
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/// <summary>
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/// Tests if two <see cref = "IndexEntry" /> are different.
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/// </summary>
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/// <param name = "left">First <see cref = "IndexEntry" /> to compare.</param>
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/// <param name = "right">Second <see cref = "IndexEntry" /> to compare.</param>
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/// <returns>True if the two objects are different; false otherwise.</returns>
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public static bool operator !=(IndexEntry left, IndexEntry right)
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{
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return !Equals(left, right);
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}
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}
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}

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