From 9d8c527211edd2bc74fa548f30f69f8d21868fef Mon Sep 17 00:00:00 2001
From: fcolin
Date: Thu, 15 Feb 2007 14:28:12 +0000
Subject: Parsing des argument ligne de commandes

---
 getopt/GetOpt.cs | 98 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 98 insertions(+)
 create mode 100644 getopt/GetOpt.cs

(limited to 'getopt/GetOpt.cs')

diff --git a/getopt/GetOpt.cs b/getopt/GetOpt.cs
new file mode 100644
index 0000000..a158073
--- /dev/null
+++ b/getopt/GetOpt.cs
@@ -0,0 +1,98 @@
+using System;
+using System.Collections.Specialized;
+using System.Collections.Generic;
+
+namespace Gnu
+{
+	/// <summary>
+	/// An implementation of the getopt standard, as used by Gnu GetOpt
+	/// </summary>
+	public class GetOpt
+	{
+		StringCollection m_params = new StringCollection();
+		StringCollection m_extras = new StringCollection();
+        List<Arg> m_args = new List<Arg>();
+
+		public GetOpt(string[] CommandLineArgs, string ParametersDescription)
+		{
+			// Import the string array into the collection
+			foreach(string s in CommandLineArgs)
+			{
+				m_params.Add(s);
+			}
+
+			// Parse the params description
+			for(int i = 0; i < ParametersDescription.Length; i++)
+			{
+				Arg a = new Arg();
+				a.Flag = ParametersDescription[i];
+				if((ParametersDescription.Length > i + 1) && (ParametersDescription[i + 1] == ':'))
+				{
+					a.TakesParameter = true;
+					i++;
+				}
+
+				m_args.Add(a);
+			}
+		}
+
+		public Arg NextArg()
+		{
+			SnarfExtras();
+
+			if(m_params.Count == 0)
+				return null;			
+
+			foreach(Arg a in m_args)
+			{
+				if(a.Flag == m_params[0][1] && m_params[0][0] == '-' )
+				{
+					Arg matched = a;
+					try
+					{
+						if(a.TakesParameter)
+						{
+							matched.Parameter = m_params[1];
+							m_params.RemoveAt(1);
+						}
+					}
+					catch(Exception)
+					{
+					}
+
+					m_params.RemoveAt(0);
+					return matched;
+				}
+			}
+
+			if(m_params[0][0] == '-')
+			{
+				Arg tempa = new Arg();
+				tempa.Flag = m_params[0][1];
+				tempa.TakesParameter = false;
+				return tempa;
+			}
+			return null;
+		}
+
+		public StringCollection Extras
+		{
+            get
+            {
+                SnarfExtras();
+
+                return m_extras;
+            }
+		}
+
+		private void SnarfExtras()
+		{
+			// Parameters must start with a hyphen
+			while((m_params.Count > 0) && (m_params[0][0] != '-'))
+			{
+				m_extras.Add(m_params[0]);
+				m_params.RemoveAt(0);
+			}
+		}
+	}
+}
-- 
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