From 8dfc2ab1c681a4ba3929d91984967536fa3cbd60 Mon Sep 17 00:00:00 2001
From: handa <handa>
Date: Mon, 20 Apr 2009 07:48:10 +0000
Subject: [PATCH] *** empty log message ***

---
 MText.cs |   54 ++++++++++++++++++++++++++++++++++++++++++++++++------
 1 file changed, 48 insertions(+), 6 deletions(-)

diff --git a/MText.cs b/MText.cs
index 54b3f20..b7f273e 100644
--- a/MText.cs
+++ b/MText.cs
@@ -330,7 +330,11 @@ namespace M17N.Core
 
     public MText Dup ()
     {
-      return (new MText (sb.ToString ()));
+      MText mt = new MText (sb.ToString ());
+
+      foreach (MPlist p in intervals)
+	mt.intervals.Add (p.Key, ((MInterval) p.Val).Copy (0, Length));
+      return mt;
     }
 
     public MText Ins (int pos, int c)
@@ -472,6 +476,14 @@ namespace M17N.Core
       Console.WriteLine (")");
     }
 
+    public void DumpPropNested ()
+    {
+      Console.Write ("(");
+      foreach (MPlist p in intervals)
+	((MInterval) p.Val).DumpNested (true);
+      Console.WriteLine (")");
+    }
+
     private class MInterval
     {
       // position: 0   1   2   3   4   5   6   7
@@ -746,13 +758,14 @@ namespace M17N.Core
 	MInterval copy, left_copy = null, right_copy = null;
 
 	update_from_to ();
+
 	if (start < From)
 	  {
 	    if (end <= From)
 	      return Left.Copy (start, end);
 	    left_copy = Left.Copy (start, From);
 	  }
-	else if (end > To)
+	if (end > To)
 	  {
 	    if (start >= To)
 	      return Right.Copy (start, end);
@@ -761,9 +774,16 @@ namespace M17N.Core
 
 	copy = new MInterval (Key, null, end - start, Stack);
 	remove_properties (MTextProperty.Flag.Sensitive);
-	copy.Left = left_copy;
-	copy.Right = right_copy;
-
+	if (left_copy != null)
+	  {
+	    copy.Left = left_copy;
+	    left_copy.Parent = copy;
+	  }
+	if (right_copy != null)
+	  {
+	    copy.Right = right_copy;
+	    right_copy.Parent = copy;
+	  }
 	return copy;
       }
 
@@ -1314,7 +1334,6 @@ namespace M17N.Core
 
       public void Dump () { Dump (false); }
 
-
       public void Dump (bool force)
       {
 	if (force || M17N.debug)
@@ -1330,6 +1349,29 @@ namespace M17N.Core
 	      Right.Dump (force);
 	  }
       }
+
+      public void DumpNested (bool force)
+      {
+	if (force || M17N.debug)
+	  {
+	    update_from_to ();
+
+	    Console.Write ("#{0}({1} {2} {3}", ID, Length, From, To);
+	    foreach (MPlist p in Stack)
+	      Console.Write (" " + p.Val);
+	    if (Left != null)
+	      {
+		Console.Write (" left=");
+		Left.DumpNested (force);
+	      }
+	    if (Right != null)
+	      {
+		Console.Write (" right=");
+		Right.DumpNested (force);
+	      }
+	    Console.Write (")");
+	  }
+      }
     }
 
     private class MTextEnum : IEnumerator
-- 
1.7.10.4