feat: Support reading primitive type double in IcdXmlReader and XmlUtils

CHANGELOG.md

@@ -15,6 +15,7 @@ and this project adheres to [Semantic Versioning](http://semver.org/spec/v2.0.0.
  - Added IcdTimeZoneInfo, a very light implementation of System.TimeZoneInfo for the .NET Compact Framework
  - Added ThreadedWorkerQueue - a threadsafe way to enqueue items and have a worker thread process them one at a time
  - Added eDaysOfWeek flags enum
+ - Added support for reading the primitive type double to IcdXmlReader and XmlUtils
 
 ### Changed
  - Repeater changed to use configured callbacks instead of a dumb event

ICD.Common.Utils/Xml/IcdXmlReader.cs

@@ -189,6 +189,13 @@ namespace ICD.Common.Utils.Xml
 			return float.Parse(value);
 		}
 
+		public double ReadElementContentAsDouble()
+		{
+			// ReadElementContentAsDouble() logs and throws...
+			string value = ReadElementContentAsString();
+			return double.Parse(value);
+		}
+
 		public bool ReadElementContentAsBoolean()
 		{
 			// ReadElementContentAsBoolean() is too case sensitive

ICD.Common.Utils/Xml/XmlUtils.cs

@@ -448,6 +448,19 @@ namespace ICD.Common.Utils.Xml
 				return reader.ReadElementContentAsFloat();
 		}
 
+		/// <summary>
+		/// Gets the content of an immediate child.
+		/// </summary>
+		/// <param name="xml"></param>
+		/// <param name="childElement"></param>
+		/// <returns></returns>
+		[PublicAPI]
+		public static double ReadChildElementContentAsDouble(string xml, string childElement)
+		{
+			using (IcdXmlReader reader = GetChildElement(xml, childElement))
+				return reader.ReadElementContentAsDouble();
+		}
+
 		/// <summary>
 		/// Gets the content of an immediate child.
 		/// </summary>
@@ -663,6 +676,29 @@ namespace ICD.Common.Utils.Xml
 			}
 		}
 
+		/// <summary>
+		/// Gets the content of the immediate child. Returns null if the child element was not found.
+		/// </summary>
+		/// <param name="xml"></param>
+		/// <param name="childElement"></param>
+		/// <returns></returns>
+		[PublicAPI]
+		public static double? TryReadChildElementContentAsDouble(string xml, string childElement)
+		{
+			try
+			{
+				return ReadChildElementContentAsDouble(xml, childElement);
+			}
+			catch (IcdXmlException)
+			{
+				return null;
+			}
+			catch (FormatException)
+			{
+				return null;
+			}
+		}
+
 		/// <summary>
 		/// Gets the content of an immediate child. Returns null if the child element was not found.
 		/// </summary>