From 489d1c818f98777bc3f582312ac39a40b0709432 Mon Sep 17 00:00:00 2001
From: CryptoManiac <balthazar@yandex.ru>
Date: Sat, 29 Aug 2015 21:16:49 +0300
Subject: [PATCH] TryGet, TryGetCurrent

---
 Novacoin/ByteQueue.cs |   37 +++++++++++++++++++++++++++++++++++++
 1 files changed, 37 insertions(+), 0 deletions(-)

diff --git a/Novacoin/ByteQueue.cs b/Novacoin/ByteQueue.cs
index dc18437..9752c02 100644
--- a/Novacoin/ByteQueue.cs
+++ b/Novacoin/ByteQueue.cs
@@ -84,6 +84,18 @@ namespace Novacoin
             return _Elements[_Index++];
         }
 
+        public bool TryGet(ref byte Element)
+        {
+            if (_Elements.Count <= _Index)
+            {
+                return false;
+            }
+
+            Element = _Elements[_Index++];
+
+            return true;
+        }
+
         public byte GetCurrent()
         {
             return _Elements[_Index];
@@ -99,6 +111,19 @@ namespace Novacoin
             return result;
         }
 
+        public bool TryGet(int nCount, ref byte[] Elements)
+        {
+            if (Count - Index < nCount)
+            {
+                return false;
+            }
+
+            Elements = _Elements.GetRange(_Index, nCount).ToArray();
+            _Index += nCount;
+
+            return true;
+        }
+
         public byte[] GetCurrent(int nCount)
         {
             Contract.Requires<ArgumentException>(Count - Index >= nCount, "nCount is greater than amount of elements.");
@@ -108,6 +133,18 @@ namespace Novacoin
             return result;
         }
 
+        public bool TryGetCurrent(int nCount, ref byte[] Elements)
+        {
+            if (Count - Index < nCount)
+            {
+                return false;
+            }
+
+            Elements = _Elements.GetRange(_Index, nCount).ToArray();
+
+            return true;
+        }
+
         /// <summary>
         /// Current index value
         /// </summary>
-- 
1.7.1