From 805e10ccb9676efec98eaace84e51aa1d0c8dcca Mon Sep 17 00:00:00 2001
From: Morten Nielsen <mn@iter.dk>
Date: Wed, 29 Jul 2020 16:45:44 -0700
Subject: [PATCH] Added IGeographicLocation message

---
 src/NmeaParser/Nmea/Gga.cs                 |  2 +-
 src/NmeaParser/Nmea/Gll.cs                 |  2 +-
 src/NmeaParser/Nmea/Gns.cs                 |  2 +-
 src/NmeaParser/Nmea/IGeographicLocation.cs | 22 ++++++++++++++++++++++
 src/NmeaParser/Nmea/Rma.cs                 |  2 +-
 src/NmeaParser/Nmea/Rmc.cs                 |  2 +-
 6 files changed, 27 insertions(+), 5 deletions(-)
 create mode 100644 src/NmeaParser/Nmea/IGeographicLocation.cs

diff --git a/src/NmeaParser/Nmea/Gga.cs b/src/NmeaParser/Nmea/Gga.cs
index c98e456..b191bd9 100644
--- a/src/NmeaParser/Nmea/Gga.cs
+++ b/src/NmeaParser/Nmea/Gga.cs
@@ -26,7 +26,7 @@ namespace NmeaParser.Messages
     /// </remarks>
     [System.Diagnostics.CodeAnalysis.SuppressMessage("Microsoft.Naming", "CA1704:IdentifiersShouldBeSpelledCorrectly", MessageId = "Gpgga")]
     [NmeaMessageType("--GGA")]
-    public class Gga : NmeaMessage, ITimestampedMessage
+    public class Gga : NmeaMessage, ITimestampedMessage, IGeographicLocation
     {
         /// <summary>
         /// Initializes a new instance of the <see cref="Gga"/> class.
diff --git a/src/NmeaParser/Nmea/Gll.cs b/src/NmeaParser/Nmea/Gll.cs
index 52fe6e1..cc2b4f1 100644
--- a/src/NmeaParser/Nmea/Gll.cs
+++ b/src/NmeaParser/Nmea/Gll.cs
@@ -24,7 +24,7 @@ namespace NmeaParser.Messages
     /// </remarks>
     [System.Diagnostics.CodeAnalysis.SuppressMessage("Microsoft.Naming", "CA1704:IdentifiersShouldBeSpelledCorrectly", MessageId = "Gll")]
     [NmeaMessageType("--GLL")]
-    public class Gll : NmeaMessage, ITimestampedMessage
+    public class Gll : NmeaMessage, ITimestampedMessage, IGeographicLocation
     {
         /// <summary>
         /// Initializes a new instance of the <see cref="Gll"/> class.
diff --git a/src/NmeaParser/Nmea/Gns.cs b/src/NmeaParser/Nmea/Gns.cs
index 78557d5..4214835 100644
--- a/src/NmeaParser/Nmea/Gns.cs
+++ b/src/NmeaParser/Nmea/Gns.cs
@@ -38,7 +38,7 @@ namespace NmeaParser.Messages
     /// </remarks>
     [System.Diagnostics.CodeAnalysis.SuppressMessage("Microsoft.Naming", "CA1704:IdentifiersShouldBeSpelledCorrectly", MessageId = "Gns")]
     [NmeaMessageType("--GNS")]
-    public class Gns : NmeaMessage, ITimestampedMessage
+    public class Gns : NmeaMessage, ITimestampedMessage, IGeographicLocation
     {
         /*
          * Example of GNS messages:
diff --git a/src/NmeaParser/Nmea/IGeographicLocation.cs b/src/NmeaParser/Nmea/IGeographicLocation.cs
new file mode 100644
index 0000000..4c5bf73
--- /dev/null
+++ b/src/NmeaParser/Nmea/IGeographicLocation.cs
@@ -0,0 +1,22 @@
+using System;
+using System.Collections.Generic;
+using System.Text;
+
+namespace NmeaParser.Messages
+{
+    /// <summary>
+    /// Indicates a message that contains a latitude and longitude value
+    /// </summary>
+    public interface IGeographicLocation
+    {
+        /// <summary>
+        /// Gets the latitude component of the location
+        /// </summary>
+        double Latitude { get; }
+
+        /// <summary>
+        /// Gets the longitude component of the location
+        /// </summary>
+        double Longitude { get; }
+    }
+}
diff --git a/src/NmeaParser/Nmea/Rma.cs b/src/NmeaParser/Nmea/Rma.cs
index f2578de..c408c11 100644
--- a/src/NmeaParser/Nmea/Rma.cs
+++ b/src/NmeaParser/Nmea/Rma.cs
@@ -26,7 +26,7 @@ namespace NmeaParser.Messages
     /// </remarks>
     [System.Diagnostics.CodeAnalysis.SuppressMessage("Microsoft.Naming", "CA1704:IdentifiersShouldBeSpelledCorrectly", MessageId = "Gprmb")]
     [NmeaMessageType("--RMA")]
-    public class Rma : NmeaMessage
+    public class Rma : NmeaMessage, IGeographicLocation
     {
         /// <summary>
         /// Positioning system status field
diff --git a/src/NmeaParser/Nmea/Rmc.cs b/src/NmeaParser/Nmea/Rmc.cs
index e4c0c4a..f9a8771 100644
--- a/src/NmeaParser/Nmea/Rmc.cs
+++ b/src/NmeaParser/Nmea/Rmc.cs
@@ -28,7 +28,7 @@ namespace NmeaParser.Messages
     /// </remarks>
     [System.Diagnostics.CodeAnalysis.SuppressMessage("Microsoft.Naming", "CA1704:IdentifiersShouldBeSpelledCorrectly", MessageId = "Gprmc")]
     [NmeaMessageType("--RMC")]
-    public class Rmc : NmeaMessage, ITimestampedMessage
+    public class Rmc : NmeaMessage, ITimestampedMessage, IGeographicLocation
     {
         /// <summary>
         /// Initializes a new instance of the <see cref="Rmc"/> class.