Added more string extentions

Teodor92 · Mar 4, 2016 · 5ec11d1 · 5ec11d1
1 parent 720778b
commit 5ec11d1
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Showing 3 changed files with 31 additions and 0 deletions.
diff --git a/Source/MoreDotNet/Extentions/EnumerableExtentions.cs b/Source/MoreDotNet/Extentions/EnumerableExtentions.cs
@@ -2,6 +2,7 @@
 {
     using System;
     using System.Collections.Generic;
+    using System.Linq;
 
     public static class EnumerableExtentions
     {
@@ -12,5 +13,10 @@ public static void ForEach<T>(this IEnumerable<T> collection, Action<T> mapFunct
                 mapFunction(item);
             }
         }
+
+        public static IEnumerable<T> EmptyIfNull<T>(this IEnumerable<T> pSeq)
+        {
+            return pSeq ?? Enumerable.Empty<T>();
+        }
     }
 }
diff --git a/Source/MoreDotNet/Extentions/GenericExtentions.cs b/Source/MoreDotNet/Extentions/GenericExtentions.cs
@@ -8,5 +8,13 @@ public static bool IsBetween<T>(this T actual, T lowerBound, T upperBound) where
         {
             return actual.CompareTo(lowerBound) >= 0 && actual.CompareTo(upperBound) < 0;
         }
+
+        public static void ThrowIfArgumentIsNull<T>(this T obj, string parameterName) where T : class
+        {
+            if (obj == null)
+            {
+                throw new ArgumentNullException("parameterName", parameterName + " not allowed to be null");
+            }
+        }
     }
 }
diff --git a/Source/MoreDotNet/Extentions/StringExtentions.cs b/Source/MoreDotNet/Extentions/StringExtentions.cs
@@ -1,5 +1,6 @@
 namespace MoreDotNet.Extentions
 {
+    using System.Text.RegularExpressions;
     using System.Threading;
 
     public static class StringExtentions
@@ -17,5 +18,21 @@ public static string ToTitleCase(this string inputText)
             // TextInfo.ToTitleCase only operates on the string if is all lower case, otherwise it returns the string unchanged.
             return textInfo.ToTitleCase(inputText.ToLower());
         }
+
+        public static string ToWords(this string camelCaseWord)
+        {
+            // if the word is all upper, just return it
+            if (!Regex.IsMatch(camelCaseWord, "[a-z]"))
+            {
+                return camelCaseWord;
+            }
+
+            return string.Join(" ", Regex.Split(camelCaseWord, @"(?<!^)(?=[A-Z])"));
+        }
+
+        public static string Capitalize(this string word)
+        {
+            return word[0].ToString().ToUpper() + word.Substring(1);
+        }
     }
 }