1 files changed, 66 insertions, 0 deletions
diff --git a/mcs/class/Mono.GetOptions/OptionAttribute.cs b/mcs/class/Mono.GetOptions/OptionAttribute.cs
new file mode 100644
index 00000000000..739d71f15bb
--- /dev/null
+++ b/mcs/class/Mono.GetOptions/OptionAttribute.cs
@@ -0,0 +1,66 @@
+using System;
+
+namespace Mono.GetOptions
+{
+
+	[AttributeUsage(AttributeTargets.Field | AttributeTargets.Property | AttributeTargets.Method)]
+	public class OptionAttribute : Attribute
+	{
+		public string ShortDescription;
+		public char ShortForm;
+		public string LongForm;
+		public int MaxOccurs; // negative means there is no limit
+
+		private void SetValues(
+			string shortDescription, 
+			char shortForm, 
+			string longForm, 
+			int maxOccurs)
+		{
+			ShortDescription = shortDescription; 
+			ShortForm = shortForm;
+			LongForm = longForm;
+			MaxOccurs = maxOccurs;
+		}
+
+		public OptionAttribute(string shortDescription)
+		{
+			SetValues(shortDescription, ' ', string.Empty, 0); 
+		}
+
+		public OptionAttribute(string shortDescription, char shortForm)
+		{
+			SetValues(shortDescription, shortForm, string.Empty, 0);
+		}
+
+		public OptionAttribute(string shortDescription, char shortForm, string longForm)
+		{
+			SetValues(shortDescription, shortForm, longForm, 0); 
+		}
+
+		public OptionAttribute(string shortDescription, string longForm)
+		{
+			SetValues(shortDescription, ' ', longForm, 0); 
+		}
+
+		public OptionAttribute(int maxOccurs, string shortDescription)
+		{
+			SetValues(shortDescription, ' ', string.Empty, maxOccurs); 
+		}
+
+		public OptionAttribute(int maxOccurs, string shortDescription, char shortForm)
+		{
+			SetValues(shortDescription, shortForm, string.Empty, maxOccurs);
+		}
+
+		public OptionAttribute(int maxOccurs, string shortDescription, char shortForm, string longForm)
+		{
+			SetValues(shortDescription, shortForm, longForm, maxOccurs); 
+		}
+
+		public OptionAttribute(int maxOccurs, string shortDescription, string longForm)
+		{
+			SetValues(shortDescription, ' ', longForm, maxOccurs); 
+		}
+	}
+}