Filter.cs

namespace LibGit2Sharp
{
    /// <summary>
    ///   Criterias used to filter out and order the commits of the repository when querying its history.
    /// </summary>
    public class Filter
    {
        /// <summary>
        ///   Initializes a new instance of <see cref = "Filter" />.
        /// </summary>
        public Filter()
        {
            SortBy = GitSortOptions.Time;
            Since = "HEAD";
        }

        /// <summary>
        ///   The ordering stragtegy to use.
        ///   <para>
        ///     By default, the commits are shown in reverse chronological order.
        ///   </para>
        /// </summary>
        public GitSortOptions SortBy { get; set; }

        /// <summary>
        ///   A pointer to a commit object or a list of pointers to consider as starting points.
        ///   <para>
        ///     Can be either a <see cref = "string" /> containing the sha or reference canonical name to use, 
        ///     a <see cref = "Branch" />, a <see cref = "Reference" />, a <see cref = "Commit" />, a <see cref = "Tag" />
        ///     or a <see cref = "TagAnnotation" /> or even a mixed collection of all of the above.
        ///     By default, the <see cref = "Repository.Head" /> will be used as boundary.
        ///   </para>
        /// </summary>
        public object Since { get; set; }

        /// <summary>
        ///   A pointer to a commit object or a list of pointers which will be excluded (along with ancestors) from the enumeration.
        ///   <para>
        ///     Can be either a <see cref = "string" /> containing the sha or reference canonical name to use, 
        ///     a <see cref = "Branch" />, a <see cref = "Reference" />, a <see cref = "Commit" />, a <see cref = "Tag" />
        ///     or a <see cref = "TagAnnotation" /> or even a mixed collection of all of the above.
        ///   </para>
        /// </summary>
        public object Until { get; set; }
    }
}