Squashed 'lib/lwip/lwip/' content from commit 0a0452b2c39b

git-subtree-dir: lib/lwip/lwip
git-subtree-split: 0a0452b2c39bdd91e252aef045c115f88f6ca773

1 files changed, 76 insertions, 0 deletions

diff --git a/contrib/apps/LwipMibCompiler/SharpSnmpLib/Mib/ValueRange.cs b/contrib/apps/LwipMibCompiler/SharpSnmpLib/Mib/ValueRange.cs
new file mode 100644
index 00000000000..3ff5bcb7d0d
--- /dev/null
+++ b/contrib/apps/LwipMibCompiler/SharpSnmpLib/Mib/ValueRange.cs
@@ -0,0 +1,76 @@
+using System;
+using System.Collections.Generic;
+
+namespace Lextm.SharpSnmpLib.Mib
+{
+    public class ValueRanges: List<ValueRange>
+    {
+        public bool IsSizeDeclaration { get; internal set; }
+
+        public ValueRanges(bool isSizeDecl = false)
+        {
+            IsSizeDeclaration = isSizeDecl;
+        }
+
+        public bool Contains(Int64 value)
+        {
+            foreach (ValueRange range in this)
+            {
+                if (range.Contains(value))
+                {
+                    return true;
+                }
+            }
+
+            return false;
+        }
+    }
+
+    public class ValueRange
+    {
+        private readonly Int64 _start;
+        private readonly Int64? _end;
+
+        public ValueRange(Int64 first, Int64? second)
+        {
+            _start = first;
+            _end   = second;
+        }
+
+        public Int64 Start
+        {
+            get { return _start; }
+        }
+
+        public Int64? End
+        {
+            get { return _end; }
+        }
+
+        public bool IntersectsWith(ValueRange other)
+        {
+            if (this._end == null)
+            {
+                return other.Contains(this._start);
+            }
+            else if (other._end == null)
+            {
+                return this.Contains(other._start);
+            }
+
+            return (this._start <= other.End) && (this._end >= other._start);
+        }
+
+        public bool Contains(Int64 value)
+        {
+            if (_end == null)
+            {
+                return value == _start;
+            }
+            else
+            {
+                return (_start <= value) && (value <= _end);
+            }
+        }
+    }
+}