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using System;
using System.Runtime.InteropServices;
using LibGit2Sharp.Core;
using LibGit2Sharp.Core.Handles;
namespace LibGit2Sharp
{
/// <summary>
/// A signature
/// </summary>
public sealed class Signature : IEquatable<Signature>
{
private readonly DateTimeOffset when;
private readonly string name;
private readonly string email;
private static readonly LambdaEqualityHelper<Signature> equalityHelper =
new LambdaEqualityHelper<Signature>(x => x.Name, x => x.Email, x => x.When);
internal Signature(IntPtr signaturePtr)
{
var handle = signaturePtr.MarshalAs<GitSignature>();
name = LaxUtf8Marshaler.FromNative(handle.Name);
email = LaxUtf8Marshaler.FromNative(handle.Email);
when = Epoch.ToDateTimeOffset(handle.When.Time, handle.When.Offset);
}
/// <summary>
/// Initializes a new instance of the <see cref="Signature"/> class.
/// </summary>
/// <param name="name">The name.</param>
/// <param name="email">The email.</param>
/// <param name="when">The when.</param>
public Signature(string name, string email, DateTimeOffset when)
{
Ensure.ArgumentNotNullOrEmptyString(name, "name");
Ensure.ArgumentNotNull(email, "email");
Ensure.ArgumentDoesNotContainZeroByte(name, "name");
Ensure.ArgumentDoesNotContainZeroByte(email, "email");
this.name = name;
this.email = email;
this.when = when;
}
internal SignatureSafeHandle BuildHandle()
{
return Proxy.git_signature_new(name, email, when);
}
/// <summary>
/// Gets the name.
/// </summary>
public string Name
{
get { return name; }
}
/// <summary>
/// Gets the email.
/// </summary>
public string Email
{
get { return email; }
}
/// <summary>
/// Gets the date when this signature happened.
/// </summary>
public DateTimeOffset When
{
get { return when; }
}
/// <summary>
/// Determines whether the specified <see cref="Object"/> is equal to the current <see cref="Signature"/>.
/// </summary>
/// <param name="obj">The <see cref="Object"/> to compare with the current <see cref="Signature"/>.</param>
/// <returns>True if the specified <see cref="Object"/> is equal to the current <see cref="Signature"/>; otherwise, false.</returns>
public override bool Equals(object obj)
{
return Equals(obj as Signature);
}
/// <summary>
/// Determines whether the specified <see cref="Signature"/> is equal to the current <see cref="Signature"/>.
/// </summary>
/// <param name="other">The <see cref="Signature"/> to compare with the current <see cref="Signature"/>.</param>
/// <returns>True if the specified <see cref="Signature"/> is equal to the current <see cref="Signature"/>; otherwise, false.</returns>
public bool Equals(Signature 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="Signature"/> are equal.
/// </summary>
/// <param name="left">First <see cref="Signature"/> to compare.</param>
/// <param name="right">Second <see cref="Signature"/> to compare.</param>
/// <returns>True if the two objects are equal; false otherwise.</returns>
public static bool operator ==(Signature left, Signature right)
{
return Equals(left, right);
}
/// <summary>
/// Tests if two <see cref="Signature"/> are different.
/// </summary>
/// <param name="left">First <see cref="Signature"/> to compare.</param>
/// <param name="right">Second <see cref="Signature"/> to compare.</param>
/// <returns>True if the two objects are different; false otherwise.</returns>
public static bool operator !=(Signature left, Signature right)
{
return !Equals(left, right);
}
/// <summary>
/// Returns "<see cref="Name"/> <<see cref="Email"/>>" for the current <see cref="Signature"/>.
/// </summary>
/// <returns>The <see cref="Name"/> and <see cref="Email"/> of the current <see cref="Signature"/>.</returns>
public override string ToString()
{
return string.Format("{0} <{1}>", Name, Email);
}
}
}
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