add back in basic object lookup with new interop

New Lookup API includes:
  TryLookup
  TryLookup<T>
  Lookup
  Lookup<T>

Looks like VS2010 can deal with optional params for .net 3.5 projects,
so NET35 ifdefs not necessary yet.

1 files changed, 61 insertions, 41 deletions

diff --git a/LibGit2Sharp/Signature.cs b/LibGit2Sharp/Signature.cs
index 0ec61a8d..c72bfb18 100644
--- a/LibGit2Sharp/Signature.cs
+++ b/LibGit2Sharp/Signature.cs
@@ -1,53 +1,73 @@
-/*
- * The MIT License
- *
- * Copyright (c) 2011 LibGit2Sharp committers
- *
- * Permission is hereby granted, free of charge, to any person obtaining a copy
- * of this software and associated documentation files (the "Software"), to deal
- * in the Software without restriction, including without limitation the rights
- * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
- * copies of the Software, and to permit persons to whom the Software is
- * furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be included in
- * all copies or substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
- * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
- * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
- * THE SOFTWARE.
- */
+#region  Copyright (c) 2011 LibGit2Sharp committers
+
+//  The MIT License
+//  
+//  Copyright (c) 2011 LibGit2Sharp committers
+//  
+//  Permission is hereby granted, free of charge, to any person obtaining a copy
+//  of this software and associated documentation files (the "Software"), to deal
+//  in the Software without restriction, including without limitation the rights
+//  to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+//  copies of the Software, and to permit persons to whom the Software is
+//  furnished to do so, subject to the following conditions:
+//  
+//  The above copyright notice and this permission notice shall be included in
+//  all copies or substantial portions of the Software.
+//  
+//  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+//  IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+//  FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+//  AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+//  LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+//  OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+//  THE SOFTWARE.
+
+#endregion
 
 using System;
+using System.Runtime.InteropServices;
 
 namespace LibGit2Sharp
 {
     public class Signature
     {
+        private readonly GitSignature sig = new GitSignature();
+        private DateTimeOffset? when;
+
+        internal Signature(IntPtr signaturePtr, bool ownedByRepo = true)
+        {
+            Marshal.PtrToStructure(signaturePtr, sig);
+            if (!ownedByRepo)
+            {
+                NativeMethods.git_signature_free(signaturePtr);
+            }
+        }
+
         public Signature(string name, string email, DateTimeOffset when)
+            : this(NativeMethods.git_signature_new(name, email, when.ToSecondsSinceEpoch(), (int) when.Offset.TotalMinutes), false)
+        {
+        }
+
+        public string Name
         {
-            Name = name;
-            Email = email;
-            When = when;
+            get { return sig.Name; }
         }
 
-        /// <summary>
-        /// Full name
-        /// </summary>
-        public string Name { get; private set; }
-        
-        /// <summary>
-        /// Email address
-        /// </summary>
-        public string Email { get; private set; }
-
-        /// <summary>
-        /// Time when this person committed the change
-        /// </summary>
-        public DateTimeOffset When { get; private set; }
+        public string Email
+        {
+            get { return sig.Email; }
+        }
+
+        public DateTimeOffset When
+        {
+            get
+            {
+                if (when == null)
+                {
+                    when = Epoch.ToDateTimeOffset(sig.When.Time, sig.When.Offset);
+                }
+                return when.Value;
+            }
+        }
     }
-}
+}
\ No newline at end of file