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using System;
using System.Diagnostics;
using System.Globalization;
using LibGit2Sharp.Core;
using LibGit2Sharp.Core.Handles;
namespace LibGit2Sharp
{
/// <summary>
/// A reference to a <see cref="Blob"/> known by the <see cref="Index"/>.
/// </summary>
[DebuggerDisplay("{DebuggerDisplay,nq}")]
public class IndexEntry : IEquatable<IndexEntry>
{
private static readonly LambdaEqualityHelper<IndexEntry> equalityHelper =
new LambdaEqualityHelper<IndexEntry>(x => x.Path, x => x.Id, x => x.Mode, x => x.StageLevel);
/// <summary>
/// Gets the relative path to the file within the working directory.
/// </summary>
public virtual string Path { get; private set; }
/// <summary>
/// Gets the file mode.
/// </summary>
public virtual Mode Mode { get; private set; }
/// <summary>
/// Gets the stage number.
/// </summary>
public virtual StageLevel StageLevel { get; private set; }
/// <summary>
/// Whether the file is marked as assume-unchanged
/// </summary>
public virtual bool AssumeUnchanged { get; private set; }
/// <summary>
/// Gets the id of the <see cref="Blob"/> pointed at by this index entry.
/// </summary>
public virtual ObjectId Id { get; private set; }
internal static IndexEntry BuildFromPtr(IndexEntrySafeHandle handle)
{
if (handle == null || handle.IsZero)
{
return null;
}
GitIndexEntry entry = handle.MarshalAsGitIndexEntry();
FilePath path = LaxFilePathMarshaler.FromNative(entry.Path);
return new IndexEntry
{
Path = path.Native,
Id = entry.Id,
StageLevel = Proxy.git_index_entry_stage(handle),
Mode = (Mode)entry.Mode,
AssumeUnchanged = (GitIndexEntry.GIT_IDXENTRY_VALID & entry.Flags) == GitIndexEntry.GIT_IDXENTRY_VALID
};
}
/// <summary>
/// Determines whether the specified <see cref="Object"/> is equal to the current <see cref="IndexEntry"/>.
/// </summary>
/// <param name="obj">The <see cref="Object"/> to compare with the current <see cref="IndexEntry"/>.</param>
/// <returns>True if the specified <see cref="Object"/> is equal to the current <see cref="IndexEntry"/>; otherwise, false.</returns>
public override bool Equals(object obj)
{
return Equals(obj as IndexEntry);
}
/// <summary>
/// Determines whether the specified <see cref="IndexEntry"/> is equal to the current <see cref="IndexEntry"/>.
/// </summary>
/// <param name="other">The <see cref="IndexEntry"/> to compare with the current <see cref="IndexEntry"/>.</param>
/// <returns>True if the specified <see cref="IndexEntry"/> is equal to the current <see cref="IndexEntry"/>; otherwise, false.</returns>
public bool Equals(IndexEntry other)
{
return equalityHelper.Equals(this, other);
}
/// <summary>
/// Returns the hash code for this instance.
/// </summary>
/// <returns>A 32-bit signed integer hash code.</returns>
public override int GetHashCode()
{
return equalityHelper.GetHashCode(this);
}
/// <summary>
/// Tests if two <see cref="IndexEntry"/> are equal.
/// </summary>
/// <param name="left">First <see cref="IndexEntry"/> to compare.</param>
/// <param name="right">Second <see cref="IndexEntry"/> to compare.</param>
/// <returns>True if the two objects are equal; false otherwise.</returns>
public static bool operator ==(IndexEntry left, IndexEntry right)
{
return Equals(left, right);
}
/// <summary>
/// Tests if two <see cref="IndexEntry"/> are different.
/// </summary>
/// <param name="left">First <see cref="IndexEntry"/> to compare.</param>
/// <param name="right">Second <see cref="IndexEntry"/> to compare.</param>
/// <returns>True if the two objects are different; false otherwise.</returns>
public static bool operator !=(IndexEntry left, IndexEntry right)
{
return !Equals(left, right);
}
private string DebuggerDisplay
{
get
{
return string.Format(CultureInfo.InvariantCulture,
"{0} ({1}) => \"{2}\"", Path, StageLevel, Id.ToString(7));
}
}
}
}
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