Parse DAT files.

RomRepoMgr.Core/Workers/DatImporter.cs

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+/******************************************************************************
+// RomRepoMgr - ROM repository manager
+// ----------------------------------------------------------------------------
+//
+// Author(s)      : Natalia Portillo <claunia@claunia.com>
+//
+// --[ License ] --------------------------------------------------------------
+//
+//     This program is free software: you can redistribute it and/or modify
+//     it under the terms of the GNU General Public License as
+//     published by the Free Software Foundation, either version 3 of the
+//     License, or (at your option) any later version.
+//
+//     This program is distributed in the hope that it will be useful,
+//     but WITHOUT ANY WARRANTY; without even the implied warranty of
+//     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+//     GNU General Public License for more details.
+//
+//     You should have received a copy of the GNU General Public License
+//     along with this program.  If not, see <http://www.gnu.org/licenses/>.
+//
+// ----------------------------------------------------------------------------
+// Copyright © 2020 Natalia Portillo
+*******************************************************************************/
+
+using System;
+using System.Diagnostics;
+using RomRepoMgr.Core.EventArgs;
+using SabreTools.Library.DatFiles;
+
+namespace RomRepoMgr.Core.Workers
+{
+    public sealed class DatImporter
+    {
+        readonly string _datPath;
+        bool            _aborted;
+
+        public DatImporter(string datPath) => _datPath = datPath;
+
+        public void Import()
+        {
+            try
+            {
+                SetIndeterminateProgress?.Invoke(this, System.EventArgs.Empty);
+
+                SetMessage?.Invoke(this, new MessageEventArgs
+                {
+                    Message = "Parsing DAT file..."
+                });
+
+                DateTime start   = DateTime.UtcNow;
+                var      datFile = DatFile.CreateAndParse(_datPath);
+                DateTime end     = DateTime.UtcNow;
+                double   elapsed = (end - start).TotalSeconds;
+
+                WorkFinished?.Invoke(this, System.EventArgs.Empty);
+            }
+            catch(Exception e)
+            {
+                if(Debugger.IsAttached)
+                    throw;
+
+                ErrorOccurred?.Invoke(this, new ErrorEventArgs
+                {
+                    Message = "Unhandled exception occurred."
+                });
+            }
+        }
+
+        public void Abort() => _aborted = true;
+
+        public event EventHandler                          SetIndeterminateProgress;
+        public event EventHandler                          WorkFinished;
+        public event EventHandler<ErrorEventArgs>          ErrorOccurred;
+        public event EventHandler<ProgressBoundsEventArgs> SetProgressBounds;
+        public event EventHandler<ProgressEventArgs>       SetProgress;
+        public event EventHandler<MessageEventArgs>        SetMessage;
+    }
+}