Introduce ObjectType

1 files changed, 54 insertions, 0 deletions

diff --git a/LibGit2Sharp/ObjectType.cs b/LibGit2Sharp/ObjectType.cs
new file mode 100644
index 00000000..efe4e251
--- /dev/null
+++ b/LibGit2Sharp/ObjectType.cs
@@ -0,0 +1,54 @@
+using System;
+
+namespace LibGit2Sharp
+{
+    /// <summary>
+    ///   Underlying type of a <see cref = "GitObject" />
+    /// </summary>
+    public enum ObjectType
+    {
+        /// <summary>
+        ///   A commit object.
+        /// </summary>
+        Commit = 1,
+
+        /// <summary>
+        ///   A tree (directory listing) object.
+        /// </summary>
+        Tree = 2,
+
+        /// <summary>
+        ///   A file revision object.
+        /// </summary>
+        Blob = 3,
+
+        /// <summary>
+        ///   An annotated tag object.
+        /// </summary>
+        Tag = 4,
+    }
+
+    internal static class ObjectTypeExtensions
+    {
+        public static GitObjectType ToGitObjectType(this ObjectType type)
+        {
+            switch (type)
+            {
+                case ObjectType.Commit:
+                    return GitObjectType.Commit;
+
+                case ObjectType.Tree:
+                    return GitObjectType.Tree;
+
+                case ObjectType.Blob:
+                    return GitObjectType.Blob;
+
+                case ObjectType.Tag:
+                    return GitObjectType.Tag;
+
+                default:
+                    throw new InvalidOperationException(string.Format("Cannot map {0} to a GitObjectType.", type));
+            }
+        }
+    }
+}