Some cleanup

Application/App.xaml.cs

@@ -62,12 +62,8 @@ namespace FeedCenter
 
                 // Set the callbacks into the provider
                 genericProvider.OpenDataStore = SettingsStore.OpenDataStore;
-                genericProvider.CloseDataStore = SettingsStore.CloseDataStore;
                 genericProvider.GetSettingValue = SettingsStore.GetSettingValue;
                 genericProvider.SetSettingValue = SettingsStore.SetSettingValue;
-                genericProvider.DeleteSettingsForVersion = SettingsStore.DeleteSettingsForVersion;
-                genericProvider.GetVersionList = SettingsStore.GetVersionList;
-                genericProvider.DeleteOldVersionsOnUpgrade = !IsDebugBuild;
 
                 Log.Logger = new LoggerConfiguration()
                     .Enrich.WithThreadId()

Application/FeedCenter.csproj

@@ -125,7 +125,7 @@
   </ItemGroup>
   <ItemGroup>
     <PackageReference Include="ChrisKaczor.ApplicationUpdate" Version="1.0.2" />
-    <PackageReference Include="ChrisKaczor.GenericSettingsProvider" Version="1.0.2" />
+    <PackageReference Include="ChrisKaczor.GenericSettingsProvider" Version="1.0.3" />
     <PackageReference Include="ChrisKaczor.InstalledBrowsers" Version="1.0.2" />
     <PackageReference Include="ChrisKaczor.Wpf.Application.SingleInstance" Version="1.0.4" />
     <PackageReference Include="ChrisKaczor.Wpf.Application.StartWithWindows" Version="1.0.2" />

Application/FeedErrorWindow.xaml.cs

@@ -115,7 +115,7 @@ namespace FeedCenter
 
             var feed = (Feed) FeedDataGrid.SelectedItem;
 
-            _database.SaveChanges(() => feed.Read(_database, true));
+            _database.SaveChanges(() => feed.Read(true));
 
             var selectedIndex = FeedDataGrid.SelectedIndex;
 

Application/FeedParsers/FeedParserBase.cs

@@ -104,19 +104,13 @@ namespace FeedCenter.FeedParsers
         {
             var feedType = DetectFeedType(feedText);
 
-            switch (feedType)
+            return feedType switch
             {
-                case FeedType.Rss:
+                FeedType.Rss => new RssParser(feed),
-                    return new RssParser(feed);
+                FeedType.Rdf => new RdfParser(feed),
-
+                FeedType.Atom => new AtomParser(feed),
-                case FeedType.Rdf:
+                _ => throw new ArgumentException($"Feed type {feedType} is not supported")
-                    return new RdfParser(feed);
+            };
-
-                case FeedType.Atom:
-                    return new AtomParser(feed);
-            }
-
-            throw new ArgumentException($"Feed type {feedType} is not supported");
         }
 
         public static FeedType DetectFeedType(string feedText)

Application/Feeds/Feed.cs

@@ -60,7 +60,7 @@ namespace FeedCenter
 
     #endregion
 
-    public class Feed : RealmObject
+    public partial class Feed : RealmObject
     {
         [PrimaryKey]
         [MapTo("ID")]
@@ -140,11 +140,11 @@ namespace FeedCenter
 
         #region Reading
 
-        public FeedReadResult Read(FeedCenterEntities database, bool forceRead = false)
+        public FeedReadResult Read(bool forceRead = false)
         {
             Log.Logger.Information("Reading feed: {0}", Source);
 
-            var result = ReadFeed(database, forceRead);
+            var result = ReadFeed(forceRead);
 
             // Handle the result
             switch (result)
@@ -224,7 +224,7 @@ namespace FeedCenter
                 feedText = feedText.Replace(" ", " ");
 
                 // Find ampersands that aren't properly escaped and replace them with escaped versions
-                var r = new Regex("&(?!(?:[a-z]+|#[0-9]+|#x[0-9a-f]+);)");
+                var r = UnescapedAmpersandRegex();
                 feedText = r.Replace(feedText, "&");
 
                 return Tuple.Create(FeedReadResult.Success, feedText);
@@ -291,7 +291,7 @@ namespace FeedCenter
             }
         }
 
-        private FeedReadResult ReadFeed(FeedCenterEntities database, bool forceRead)
+        private FeedReadResult ReadFeed(bool forceRead)
         {
             try
             {
@@ -364,6 +364,9 @@ namespace FeedCenter
             }
         }
 
+        [GeneratedRegex("&(?!(?:[a-z]+|#[0-9]+|#x[0-9a-f]+);)")]
+        private static partial Regex UnescapedAmpersandRegex();
+
         #endregion
     }
 }

Application/Feeds/FeedItem.cs

@@ -1,11 +1,11 @@
-using System;
+using FeedCenter.Options;
-using System.Text.RegularExpressions;
-using FeedCenter.Options;
 using Realms;
+using System;
+using System.Text.RegularExpressions;
 
 namespace FeedCenter
 {
-    public class FeedItem : RealmObject
+    public partial class FeedItem : RealmObject
     {
         [PrimaryKey]
         [MapTo("ID")]
@@ -30,22 +30,20 @@ namespace FeedCenter
             return new FeedItem { Id = System.Guid.NewGuid() };
         }
 
-        #region Methods
-
         public override string ToString()
         {
             var title = Title;
 
             switch (Properties.Settings.Default.MultipleLineDisplay)
             {
-                case Options.MultipleLineDisplay.SingleLine:
+                case MultipleLineDisplay.SingleLine:
 
                     // Strip any newlines from the title
-                    title = Regex.Replace(title, @"\n", " ");
+                    title = NewlineRegex().Replace(title, " ");
 
                     break;
 
-                case Options.MultipleLineDisplay.FirstLine:
+                case MultipleLineDisplay.FirstLine:
 
                     // Find the first newline
                     var newlineIndex = title.IndexOf("\n", StringComparison.Ordinal);
@@ -62,10 +60,10 @@ namespace FeedCenter
             }
 
             // Condense multiple spaces to one space
-            title = Regex.Replace(title, @"[ ]{2,}", " ");
+            title = MultipleSpaceRegex().Replace(title, " ");
 
             // Condense tabs to one space
-            title = Regex.Replace(title, @"\t", " ");
+            title = TabRegex().Replace(title, " ");
 
             // If the title is blank then put in the "no title" title
             if (title.Length == 0)
@@ -74,20 +72,13 @@ namespace FeedCenter
             return title;
         }
 
-        //public void ProcessActions(IEnumerable<FeedAction> feedActions)
+        [GeneratedRegex("\\n")]
-        //{
+        private static partial Regex NewlineRegex();
-        //    foreach (FeedAction feedAction in feedActions)
-        //    {
-        //        switch (feedAction.Field)
-        //        {
-        //            case 1:
 
-        //                Title = Regex.Replace(Title, feedAction.Search, feedAction.Replace);
+        [GeneratedRegex("[ ]{2,}")]
-        //                break;
+        private static partial Regex MultipleSpaceRegex();
-        //        }
-        //    }
-        //}
 
-        #endregion
+        [GeneratedRegex("\\t")]
+        private static partial Regex TabRegex();
     }
 }

Application/MainWindow/CommandLine.cs

@@ -26,7 +26,7 @@ namespace FeedCenter
             var endPosition = commandLine.IndexOf(" ", startPosition, StringComparison.Ordinal);
 
             // Extract the feed URL
-            var feedUrl = commandLine.Substring(startPosition, endPosition - startPosition);
+            var feedUrl = commandLine[startPosition..endPosition];
 
             // Add the HTTP protocol by default
             feedUrl = "http://" + feedUrl;

Application/MainWindow/FeedCreation.cs

@@ -63,7 +63,7 @@ namespace FeedCenter
             }
 
             // Read the feed for the first time
-            var feedReadResult = feed.Read(_database);
+            var feedReadResult = feed.Read();
 
             // See if we read the feed okay
             if (feedReadResult == FeedReadResult.Success)

Application/MainWindow/FeedReading.cs

@@ -159,7 +159,7 @@ namespace FeedCenter
             foreach (var feed in feedsToRead)
             {
                 // Read the feed
-                database.SaveChanges(() => feed.Read(database, workerInput.ForceRead));
+                database.SaveChanges(() => feed.Read(workerInput.ForceRead));
 
                 // Increment progress
                 currentProgress += 1;

Application/MainWindow/MainWindow.xaml.cs

@@ -131,9 +131,8 @@ namespace FeedCenter
                             break;
                         case Dock.Left:
                         case Dock.Right:
-                            throw new NotSupportedException();
                         default:
-                            throw new ArgumentOutOfRangeException(nameof(Settings.Default.ToolbarLocation));
+                            throw new NotSupportedException();
                     }
 
                     break;
@@ -153,8 +152,8 @@ namespace FeedCenter
             _database.Refresh();
 
             _feedList = _currentCategory == null
-                ? _database.Feeds
+                ? _database.Feeds.ToList()
-                : _database.Feeds.Where(feed => feed.Category.Id == _currentCategory.Id);
+                : _database.Feeds.Where(feed => feed.Category.Id == _currentCategory.Id).ToList();
 
             UpdateToolbarButtonState();
 

Application/Options/CheckedListItem.cs

@@ -24,7 +24,7 @@ public class CheckedListItem<T> : INotifyPropertyChanged
         {
             _item = value;
 
-            PropertyChanged?.Invoke(this, new PropertyChangedEventArgs("Item"));
+            PropertyChanged?.Invoke(this, new PropertyChangedEventArgs(nameof(Item)));
         }
     }
 
@@ -35,7 +35,7 @@ public class CheckedListItem<T> : INotifyPropertyChanged
         {
             _isChecked = value;
 
-            PropertyChanged?.Invoke(this, new PropertyChangedEventArgs("IsChecked"));
+            PropertyChanged?.Invoke(this, new PropertyChangedEventArgs(nameof(IsChecked)));
         }
     }
 }

Application/SettingsStore.cs

@@ -1,7 +1,6 @@
 using FeedCenter.Data;
 using FeedCenter.Options;
 using System;
-using System.Collections.Generic;
 using System.Linq;
 
 namespace FeedCenter
@@ -18,11 +17,7 @@ namespace FeedCenter
             return Database.Entities;
         }
 
-        public static void CloseDataStore(object dataStore)
+        public static string GetSettingValue(object dataStore, string name, Version _)
-        {
-        }
-
-        public static string GetSettingValue(object dataStore, string name, Version version)
         {
             var entities = (FeedCenterEntities) dataStore;
 
@@ -31,7 +26,7 @@ namespace FeedCenter
             return setting?.Value;
         }
 
-        public static void SetSettingValue(object dataStore, string name, Version version, string value)
+        public static void SetSettingValue(object dataStore, string name, Version _, string value)
         {
             var entities = (FeedCenterEntities) dataStore;
 
@@ -57,11 +52,5 @@ namespace FeedCenter
                 setting.Value = value;
             });
         }
-
-        public static List<Version> GetVersionList(object dataStore) => null;
-
-        public static void DeleteSettingsForVersion(object dataStore, Version version)
-        {
-        }
     }
 }

Application/SplashWindow.xaml.cs

@@ -193,5 +193,7 @@ public partial class SplashWindow : IDisposable
     public void Dispose()
     {
         _backgroundWorker?.Dispose();
+
+        GC.SuppressFinalize(this);
     }
 }

Application/Xml/XmlSanitizingStream.cs

@@ -48,28 +48,26 @@ public class XmlSanitizingStream : StreamReader
                         character <= 0x8 ||
                         character == 0xB ||
                         character == 0xC ||
-                        (character >= 0xE && character <= 0x1F) ||
+                        character is >= 0xE and <= 0x1F ||
-                        (character >= 0x7F && character <= 0x84) ||
+                        character is >= 0x7F and <= 0x84 ||
-                        (character >= 0x86 && character <= 0x9F) ||
+                        character is >= 0x86 and <= 0x9F ||
                         character > 0x10FFFF
                     );
             }
             case "1.0": // http://www.w3.org/TR/REC-xml/#charsets
             {
                 return
-                (
                 character == 0x9 /* == '\t' == 9   */ ||
                 character == 0xA /* == '\n' == 10  */ ||
                 character == 0xD /* == '\r' == 13  */ ||
-                    (character >= 0x20 && character <= 0xD7FF) ||
+                character is >= 0x20 and <= 0xD7FF ||
-                    (character >= 0xE000 && character <= 0xFFFD) ||
+                character is >= 0xE000 and <= 0xFFFD ||
-                    (character >= 0x10000 && character <= 0x10FFFF)
+                character is >= 0x10000 and <= 0x10FFFF;
-                );
             }
             default:
             {
                 throw new ArgumentOutOfRangeException
-                    ("xmlVersion", string.Format("'{0}' is not a valid XML version.", xmlVersion));
+                    (nameof(xmlVersion), @$"'{xmlVersion}' is not a valid XML version.");
             }
         }
     }
@@ -133,28 +131,28 @@ public class XmlSanitizingStream : StreamReader
     #region Read*() method overrides
 
     // The following methods are exact copies of the methods in TextReader, 
-    // extracting by disassembling it in Refelctor
+    // extracting by disassembling it in Reflector
 
     public override int Read(char[] buffer, int index, int count)
     {
         if (buffer == null)
         {
-            throw new ArgumentNullException("buffer");
+            throw new ArgumentNullException(nameof(buffer));
         }
 
         if (index < 0)
         {
-            throw new ArgumentOutOfRangeException("index");
+            throw new ArgumentOutOfRangeException(nameof(index));
         }
 
         if (count < 0)
         {
-            throw new ArgumentOutOfRangeException("count");
+            throw new ArgumentOutOfRangeException(nameof(count));
         }
 
-        if ((buffer.Length - index) < count)
+        if (buffer.Length - index < count)
         {
-            throw new ArgumentException();
+            throw new ArgumentOutOfRangeException(nameof(buffer));
         }
 
         var num = 0;
@@ -179,7 +177,7 @@ public class XmlSanitizingStream : StreamReader
         do
         {
             num2 += num = Read(buffer, index + num2, count - num2);
-        } while ((num > 0) && (num2 < count));
+        } while (num > 0 && num2 < count);
 
         return num2;
     }
@@ -193,16 +191,11 @@ public class XmlSanitizingStream : StreamReader
             switch (num)
             {
                 case -1:
-                    if (builder.Length > 0)
+                    return builder.Length > 0 ? builder.ToString() : null;
-                    {
-                        return builder.ToString();
-                    }
-
-                    return null;
 
                 case 13:
                 case 10:
-                    if ((num == 13) && (Peek() == 10))
+                    if (num == 13 && Peek() == 10)
                     {
                         Read();
                     }