private unsafe static int ReadPrefix(
out GitOid out_oid,
out IntPtr buffer_p,
out UIntPtr len_p,
out GitObjectType type_p,
IntPtr backend,
ref GitOid short_oid,
UIntPtr len)
{
out_oid = default(GitOid);
buffer_p = IntPtr.Zero;
len_p = UIntPtr.Zero;
type_p = GitObjectType.Bad;
OdbBackend odbBackend = MarshalOdbBackend(backend);
if (odbBackend == null)
{
return((int)GitErrorCode.Error);
}
UnmanagedMemoryStream memoryStream = null;
try
{
var shortSha = ObjectId.ToString(short_oid.Id, (int)len);
ObjectId oid;
ObjectType objectType;
int toReturn = odbBackend.ReadPrefix(shortSha, out oid, out memoryStream, out objectType);
if (toReturn != 0)
{
return(toReturn);
}
if (memoryStream == null)
{
return((int)GitErrorCode.Error);
}
out_oid.Id = oid.RawId;
len_p = new UIntPtr((ulong)memoryStream.Capacity);
type_p = objectType.ToGitObjectType();
memoryStream.Seek(0, SeekOrigin.Begin);
buffer_p = new IntPtr(memoryStream.PositionPointer);
}
catch (Exception ex)
{
Proxy.giterr_set_str(GitErrorCategory.Odb, ex);
return((int)GitErrorCode.Error);
}
finally
{
if (memoryStream != null)
{
memoryStream.Dispose();
}
}
return((int)GitErrorCode.Ok);
}
/// <summary>
/// Returns the <see cref="Id"/>, a <see cref="String"/> representation of the current <see cref="GitObject"/>.
/// </summary>
/// <returns>The <see cref="Id"/> that represents the current <see cref="GitObject"/>.</returns>
public override string ToString()
{
return(Id.ToString());
}