Committed everything

Unity/Alternate Genre Jam/Assets/Ink/InkLibs/InkCompiler/CharacterRange.cs

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+using System.Collections.Generic;
+using System.Linq;
+
+namespace Ink
+{
+    /// <summary>
+    /// A class representing a character range. Allows for lazy-loading a corresponding <see cref="CharacterSet">character set</see>.
+    /// </summary>
+    public sealed class CharacterRange
+    {
+        public static CharacterRange Define(char start, char end, IEnumerable<char> excludes = null)
+        {
+            return new CharacterRange (start, end, excludes);
+        }
+
+        /// <summary>
+        /// Returns a <see cref="CharacterSet">character set</see> instance corresponding to the character range
+        /// represented by the current instance.
+        /// </summary>
+        /// <remarks>
+        /// The internal character set is created once and cached in memory.
+        /// </remarks>
+        /// <returns>The char set.</returns>
+        public CharacterSet ToCharacterSet ()
+        {
+            if (_correspondingCharSet.Count == 0) 
+            {
+                for (char c = _start; c <= _end; c++)
+                {
+                    if (!_excludes.Contains (c)) 
+                    {
+                        _correspondingCharSet.Add (c);
+                    }
+                }
+            }
+            return _correspondingCharSet;
+        }
+
+        public char start { get { return _start; } }
+        public char end { get { return _end; } }
+
+        CharacterRange (char start, char end, IEnumerable<char> excludes)
+        {
+        	_start = start;
+        	_end = end;
+            _excludes = excludes == null ? new HashSet<char>() : new HashSet<char> (excludes);
+        }
+
+        char _start;
+        char _end;
+        ICollection<char> _excludes;
+        CharacterSet _correspondingCharSet = new CharacterSet();
+    }    
+}