# HG changeset patch
# User cin
# Date 2014-04-26 19:36:00
# Node ID 2c332a9c64c013d386c1617c4983cc8d28913b09
# Parent  f8cbe84cfdb16cd2867ceadda940642625800d2e

Added methods for parameter checks

diff --git a/Implab/Safe.cs b/Implab/Safe.cs
--- a/Implab/Safe.cs
+++ b/Implab/Safe.cs
@@ -2,11 +2,29 @@
 using System.Collections.Generic;
 using System.Linq;
 using System.Text;
+using System.Text.RegularExpressions;
 
 namespace Implab
 {
     public static class Safe
     {
+        public static void ArgumentMatch(string param, string name, Regex rx) {
+            if (rx == null)
+                throw new ArgumentNullException("rx");
+            if (!rx.IsMatch(param))
+                throw new ArgumentException(String.Format("A prameter value must match {0}", rx), name);
+        }
+
+        public static void ArgumentNotEmpty(string param, string name) {
+            if (String.IsNullOrEmpty(param))
+                throw new ArgumentException("A parameter can't be empty", name);
+        }
+
+        public static void ArgumentNotNull(object param, string name) {
+            if (param == null)
+                throw new ArgumentNullException(name);
+        }
+
         public static void Dispose<T>(T obj) where T : class
         {
             var disp = obj as IDisposable;