Rename Filter into CommitFilter

1 files changed, 87 insertions, 0 deletions

diff --git a/LibGit2Sharp/CommitFilter.cs b/LibGit2Sharp/CommitFilter.cs
new file mode 100644
index 00000000..8e26fbce
--- /dev/null
+++ b/LibGit2Sharp/CommitFilter.cs
@@ -0,0 +1,87 @@
+using System.Collections;
+using System.Collections.Generic;
+using System.Linq;
+
+namespace LibGit2Sharp
+{
+    /// <summary>
+    ///   Criterias used to filter out and order the commits of the repository when querying its history.
+    /// </summary>
+    public class CommitFilter
+    {
+        /// <summary>
+        ///   Initializes a new instance of <see cref = "LibGit2Sharp.Filter" />.
+        /// </summary>
+        public CommitFilter()
+        {
+            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" />,
+        ///     a <see cref = "TagAnnotation" />, an <see cref="ObjectId"/> 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; }
+
+        internal IList<object> SinceList
+        {
+            get { return ToList(Since); }
+        }
+
+        /// <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" />,
+        ///     a <see cref = "TagAnnotation" />, an <see cref="ObjectId"/> or even a mixed collection of all of the above.
+        ///   </para>
+        /// </summary>
+        public object Until { get; set; }
+
+        internal IList<object> UntilList
+        {
+            get { return ToList(Until); }
+        }
+
+        private static IList<object> ToList(object obj)
+        {
+            var list = new List<object>();
+
+            if (obj == null)
+            {
+                return list;
+            }
+
+            var types = new[]
+                            {
+                                typeof(string), typeof(ObjectId),
+                                typeof(Commit), typeof(TagAnnotation),
+                                typeof(Tag), typeof(Branch), typeof(DetachedHead),
+                                typeof(Reference), typeof(DirectReference), typeof(SymbolicReference)
+                            };
+
+            if (types.Contains(obj.GetType()))
+            {
+                list.Add(obj);
+                return list;
+            }
+
+            list.AddRange(((IEnumerable)obj).Cast<object>());
+            return list;
+        }
+    }
+}