Initial data commit

Task/Word-wrap/C-sharp/word-wrap.cs

@@ -0,0 +1,64 @@
+namespace RosettaCode.WordWrap
+{
+    using System;
+    using System.Collections.Generic;
+
+    internal static class Program
+    {
+        private const string LoremIpsum = @"
+Lorem ipsum dolor sit amet, consectetur adipiscing elit. Maecenas varius sapien
+vel purus hendrerit vehicula. Integer hendrerit viverra turpis, ac sagittis arcu
+pharetra id. Sed dapibus enim non dui posuere sit amet rhoncus tellus
+consectetur. Proin blandit lacus vitae nibh tincidunt cursus. Cum sociis natoque
+penatibus et magnis dis parturient montes, nascetur ridiculus mus. Nam tincidunt
+purus at tortor tincidunt et aliquam dui gravida. Nulla consectetur sem vel
+felis vulputate et imperdiet orci pharetra. Nam vel tortor nisi. Sed eget porta
+tortor. Aliquam suscipit lacus vel odio faucibus tempor. Sed ipsum est,
+condimentum eget eleifend ac, ultricies non dui. Integer tempus, nunc sed
+venenatis feugiat, augue orci pellentesque risus, nec pretium lacus enim eu
+nibh.";
+
+        private static void Main()
+        {
+            foreach (var lineWidth in new[] { 72, 80 })
+            {
+                Console.WriteLine(new string('-', lineWidth));
+                Console.WriteLine(Wrap(LoremIpsum, lineWidth));
+            }
+        }
+
+        private static string Wrap(string text, int lineWidth)
+        {
+            return string.Join(string.Empty,
+                               Wrap(
+                                   text.Split(new char[0],
+                                              StringSplitOptions
+                                                  .RemoveEmptyEntries),
+                                   lineWidth));
+        }
+
+        private static IEnumerable<string> Wrap(IEnumerable<string> words,
+                                                int lineWidth)
+        {
+            var currentWidth = 0;
+            foreach (var word in words)
+            {
+                if (currentWidth != 0)
+                {
+                    if (currentWidth + word.Length < lineWidth)
+                    {
+                        currentWidth++;
+                        yield return " ";
+                    }
+                    else
+                    {
+                        currentWidth = 0;
+                        yield return Environment.NewLine;
+                    }
+                }
+                currentWidth += word.Length;
+                yield return word;
+            }
+        }
+    }
+}