Moving examples, mapgenerator, and VisualParamGenerator to Programs folder (SVN is seriously ruined still, don't check out yet)

git-svn-id: http://libopenmetaverse.googlecode.com/svn/trunk@1961 52acb1d6-8a22-11de-b505-999d5b087335

Programs/examples/TestClient/Arguments.cs

@@ -0,0 +1,111 @@
+using System;
+using System.Collections.Specialized;
+using System.Text.RegularExpressions;
+
+namespace CommandLine.Utility
+{
+    /// <summary>
+    /// Arguments class
+    /// </summary>
+    public class Arguments
+    {
+        // Variables
+        private StringDictionary Parameters;
+
+        // Constructor
+        public Arguments(string[] Args)
+        {
+            Parameters = new StringDictionary();
+            Regex Splitter = new Regex(@"^-{1,2}|=",
+                RegexOptions.IgnoreCase | RegexOptions.Compiled);
+
+            Regex Remover = new Regex(@"^['""]?(.*?)['""]?$",
+                RegexOptions.IgnoreCase | RegexOptions.Compiled);
+
+            string Parameter = null;
+            string[] Parts;
+
+            // Valid parameters forms:
+            // {-,/,--}param{ ,=,:}((",')value(",'))
+            // Examples: 
+            // -param1 value1 --param2
+            //   /param4=happy -param5 '--=nice=--'
+            foreach (string Txt in Args)
+            {
+                // Look for new parameters (-,/ or --) and a
+                // possible enclosed value (=,:)
+                Parts = Splitter.Split(Txt, 3);
+
+                switch (Parts.Length)
+                {
+                    // Found a value (for the last parameter 
+                    // found (space separator))
+                    case 1:
+                        if (Parameter != null)
+                        {
+                            if (!Parameters.ContainsKey(Parameter))
+                            {
+                                Parts[0] =
+                                    Remover.Replace(Parts[0], "$1");
+
+                                Parameters.Add(Parameter, Parts[0]);
+                            }
+                            Parameter = null;
+                        }
+                        // else Error: no parameter waiting for a value (skipped)
+                        break;
+
+                    // Found just a parameter
+                    case 2:
+                        // The last parameter is still waiting. 
+                        // With no value, set it to true.
+                        if (Parameter != null)
+                        {
+                            if (!Parameters.ContainsKey(Parameter))
+                                Parameters.Add(Parameter, "true");
+                        }
+                        Parameter = Parts[1];
+                        break;
+
+                    // Parameter with enclosed value
+                    case 3:
+                        // The last parameter is still waiting. 
+                        // With no value, set it to true.
+                        if (Parameter != null)
+                        {
+                            if (!Parameters.ContainsKey(Parameter))
+                                Parameters.Add(Parameter, "true");
+                        }
+
+                        Parameter = Parts[1];
+
+                        // Remove possible enclosing characters (",')
+                        if (!Parameters.ContainsKey(Parameter))
+                        {
+                            Parts[2] = Remover.Replace(Parts[2], "$1");
+                            Parameters.Add(Parameter, Parts[2]);
+                        }
+
+                        Parameter = null;
+                        break;
+                }
+            }
+            // In case a parameter is still waiting
+            if (Parameter != null)
+            {
+                if (!Parameters.ContainsKey(Parameter))
+                    Parameters.Add(Parameter, "true");
+            }
+        }
+
+        // Retrieve a parameter value if it exists 
+        // (overriding C# indexer property)
+        public string this[string Param]
+        {
+            get
+            {
+                return (Parameters[Param]);
+            }
+        }
+    }
+}