Field removal to their own classes

SabreTools.Filtering/DatHeaderRemover.cs

@@ -0,0 +1,81 @@
+using System.Collections.Generic;
+
+using SabreTools.Core;
+using SabreTools.Core.Tools;
+using SabreTools.DatFiles;
+using SabreTools.Logging;
+
+namespace SabreTools.Filtering
+{
+    /// <summary>
+    /// Represents the removal operations that need to be performed on a DatHeader
+    /// </summary>
+    public class DatHeaderRemover : Remover
+    {
+        #region Fields
+
+        /// <summary>
+        /// List of DatHeader fields to exclude from writing
+        /// </summary>
+        public List<DatHeaderField> DatHeaderFields { get; private set; } = new List<DatHeaderField>();
+
+        #endregion
+
+        #region Constructors
+
+        /// <summary>
+        /// Constructor
+        /// </summary>
+        public DatHeaderRemover()
+        {
+            logger = new Logger(this);
+        }
+
+        #endregion
+
+        #region Remover Population
+
+        /// <inheritdoc/>
+        public override bool SetRemover(string field)
+        {
+            // If the key is null or empty, return false
+            if (string.IsNullOrWhiteSpace(field))
+                return false;
+
+            // If we have a DatHeader field
+            DatHeaderField datHeaderField = field.AsDatHeaderField();
+            if (datHeaderField != DatHeaderField.NULL)
+            {
+                DatHeaderFields.Add(datHeaderField);
+                return true;
+            }
+
+            return false;
+        }
+
+        #endregion
+
+        #region Remover Running
+
+        /// <summary>
+        /// Remove fields with given values
+        /// </summary>
+        /// <param name="datItem">DatHeader to remove fields from</param>
+        public void RemoveFields(DatHeader datHeader)
+        {
+            if (datHeader == null)
+                return;
+
+            #region Common
+
+            if (DatHeaderFields == null)
+                return;
+
+            #endregion
+
+            // TODO: Figure out how to properly implement DatHeader field removal
+        }
+
+        #endregion
+    }
+}