Boolean型のAttribute対応 (Synesthesias#152)

* add getter and setter for boolean value of attribute

* add c# test code

* Update submodule

Author: wyasuda

3rdparty/libcitygml

@@ -535,6 +535,7 @@
 					<uro:districtsAndZonesType codeSpace="../../codelists/Common_districtsAndZonesType.xml">11</uro:districtsAndZonesType>
 					<uro:prefecture codeSpace="../../codelists/Common_prefecture.xml">13</uro:prefecture>
 					<uro:city codeSpace="../../codelists/Common_localPublicAuthorities.xml">13111</uro:city>
+					<energy:isHeated>true</energy:isHeated>
 				</uro:BuildingDetails>
 			</uro:buildingDetails>
 			<uro:extendedAttribute>

data/日本語パステスト/udx/bldg/53392642_bldg_6697_op2.gml

@@ -77,5 +77,17 @@ public void AsInt_Returns_GML_Value()
             int actualVal = attrMap[key].AsInt;
             Assert.AreEqual(valueInGmlFile, actualVal);
         }
+
+        [TestMethod]
+        public void AsBool_Returns_GML_Value()
+        {
+            const string parentKey = "uro:buildingDetails";
+            const string childKey = "energy:isHeated";
+            const bool valueInGmlFile = true;
+            var parentVal = attrMap[parentKey];
+            var children = parentVal.AsAttrSet;
+            bool actualVal = children[childKey].AsBool;
+            Assert.AreEqual(valueInGmlFile, actualVal);
+        }
     }
 }

wrappers/csharp/LibPLATEAU.NET/CSharpPLATEAU.Test/CityGML/AttributeValueTests.cs

@@ -46,6 +46,9 @@ public AttributeValue(IntPtr handle)
         /// <summary> 属性値を int にパースして返します。 </summary>
         public int AsInt => int.Parse(AsString);
 
+        /// <summary> 属性値を bool にパースして返します。 </summary>
+        public bool AsBool => bool.Parse(AsString);
+
         /// <summary>
         /// 属性の値の想定形式です。<see cref="AttributeType"/> 型で返します。
         /// </summary>