StringExtensions.Unquote methods

Author: andrewvk

Main/src/CodeJam.Main.csproj

@@ -106,7 +106,7 @@
     <Compile Include="Collections\EnumerableExtensions.Slice.cs" />
     <Compile Include="Collections\QueryableExtensions.ApplyOrder.cs" />
     <Compile Include="Collections\QueryableExtensions.cs" />
-    <Compile Include="Option.cs" />
+    <Compile Include="Structures\Option.cs" />
     <Compile Include="Reflection\InfoOf`1.cs" />
     <Compile Include="Reflection\ParamInfo.cs" />
     <Compile Include="Services\IServicePublisher.cs" />
@@ -165,7 +165,7 @@
     <Compile Include="Structures\ObjectPools\SharedPoolExtensions.cs" />
     <Compile Include="Structures\ObjectPools\PooledObject.cs" />
     <Compile Include="Structures\ObjectPools\ObjectPool.cs" />
-    <Compile Include="Option`1.cs" />
+    <Compile Include="Structures\Option`1.cs" />
     <Compile Include="Properties\AssemblyInfo.cs" />
     <Compile Include="Reflection\EnumHelper.cs" />
     <Compile Include="Reflection\ExpressionHelper.cs" />

Main/src/Strings/StringExtensions.cs

@@ -268,5 +268,33 @@ public static unsafe string ToHexString([NotNull] this byte[] data, [CanBeNull]
 
 			return result;
 		}
+
+		/// <summary>
+		/// Remove one set of leading and trailing double quote characters, if both are present.
+		/// </summary>
+		public static string Unquote(this string arg)
+		{
+			bool quoted;
+			return Unquote(arg, out quoted);
+		}
+
+		/// <summary>
+		/// Remove one set of leading and trailing double quote characters, if both are present.
+		/// </summary>
+		public static string Unquote(this string arg, out bool quoted) => Unquote(arg, '"', out quoted);
+
+		/// <summary>
+		/// Remove one set of leading and trailing d<paramref name="quotationChar"/>, if both are present.
+		/// </summary>
+		public static string Unquote(this string arg, char quotationChar, out bool quoted)
+		{
+			if (arg.Length > 1 && arg[0] == quotationChar && arg[arg.Length - 1] == quotationChar)
+			{
+				quoted = true;
+				return arg.Substring(1, arg.Length - 2);
+			}
+			quoted = false;
+			return arg;
+		}
 	}
 }

Main/src/Option.cs renamed to Main/src/Structures/Option.cs

@@ -4,6 +4,7 @@ CodeJam 1.0.0-beta10 Release Notes
 What's new in 1.0.0-beta10
 ------------------------
 * InterlockedOperations.Initialize and Update methods
+* StringExtensions.Unquote methods
 * Add defaultValue parameter to all Min/MaxByOrDefault overloads
 * Additional overloads for Algorithms.EqualRange/UpperBound/LowerBound
 * Memoize extended up to 8 arguments