more fixes for getting styleCop up, this will need one more push to get another 15 that will require renaming of vars (#5875)

src/modules/launcher/Wox.Infrastructure/Alphabet.cs

@@ -18,8 +18,8 @@ namespace Wox.Infrastructure
 {
     public class Alphabet : IAlphabet
     {
-        private readonly HanyuPinyinOutputFormat Format = new HanyuPinyinOutputFormat();
-        private ConcurrentDictionary<string, string[][]> PinyinCache;
+        private readonly HanyuPinyinOutputFormat _pinyinFormat = new HanyuPinyinOutputFormat();
+        private ConcurrentDictionary<string, string[][]> _pinyinCache;
         private BinaryStorage<Dictionary<string, string[][]>> _pinyinStorage;
         private Settings _settings;
 
@@ -31,7 +31,7 @@ namespace Wox.Infrastructure
 
         private void InitializePinyinHelpers()
         {
-            Format.setToneType(HanyuPinyinToneType.WITHOUT_TONE);
+            _pinyinFormat.setToneType(HanyuPinyinToneType.WITHOUT_TONE);
 
             Stopwatch.Normal("|Wox.Infrastructure.Alphabet.Initialize|Preload pinyin cache", () =>
             {
@@ -39,9 +39,9 @@ namespace Wox.Infrastructure
                 SetPinyinCacheAsDictionary(_pinyinStorage.TryLoad(new Dictionary<string, string[][]>()));
 
                 // force pinyin library static constructor initialize
-                PinyinHelper.toHanyuPinyinStringArray('T', Format);
+                PinyinHelper.toHanyuPinyinStringArray('T', _pinyinFormat);
             });
-            Log.Info($"|Wox.Infrastructure.Alphabet.Initialize|Number of preload pinyin combination<{PinyinCache.Count}>");
+            Log.Info($"|Wox.Infrastructure.Alphabet.Initialize|Number of preload pinyin combination<{_pinyinCache.Count}>");
         }
 
         public string Translate(string str)
@@ -52,17 +52,23 @@ namespace Wox.Infrastructure
         public string ConvertChineseCharactersToPinyin(string source)
         {
             if (!_settings.ShouldUsePinyin)
+            {
                 return source;
+            }
 
             if (string.IsNullOrEmpty(source))
+            {
                 return source;
+            }
 
             if (!ContainsChinese(source))
+            {
                 return source;
+            }
 
             var combination = PinyinCombination(source);
 
-            var pinyinArray = combination.Select(x => string.Join("", x));
+            var pinyinArray = combination.Select(x => string.Join(string.Empty, x));
             var acronymArray = combination.Select(Acronym).Distinct();
 
             var joinedSingleStringCombination = new StringBuilder();
@@ -85,11 +91,11 @@ namespace Wox.Infrastructure
         private static string[] EmptyStringArray = new string[0];
         private static string[][] Empty2DStringArray = new string[0][];
 
-        [Obsolete("Not accurate, eg 音乐 will not return yinyue but returns yinle ")]
         /// <summary>
         /// replace chinese character with pinyin, non chinese character won't be modified
         /// <param name="word"> should be word or sentence, instead of single character. e.g. 微软 </param>
         /// </summary>
+        [Obsolete("Not accurate, eg 音乐 will not return yinyue but returns yinle ")]
         public string[] Pinyin(string word)
         {
             if (!_settings.ShouldUsePinyin)
@@ -119,12 +125,12 @@ namespace Wox.Infrastructure
                 return Empty2DStringArray;
             }
 
-            if (!PinyinCache.ContainsKey(characters))
+            if (!_pinyinCache.ContainsKey(characters))
             {
                 var allPinyins = new List<string[]>();
                 foreach (var c in characters)
                 {
-                    var pinyins = PinyinHelper.toHanyuPinyinStringArray(c, Format);
+                    var pinyins = PinyinHelper.toHanyuPinyinStringArray(c, _pinyinFormat);
                     if (pinyins != null)
                     {
                         var r = pinyins.Distinct().ToArray();
@@ -138,18 +144,18 @@ namespace Wox.Infrastructure
                 }
 
                 var combination = allPinyins.Aggregate(Combination).Select(c => c.Split(';')).ToArray();
-                PinyinCache[characters] = combination;
+                _pinyinCache[characters] = combination;
                 return combination;
             }
             else
             {
-                return PinyinCache[characters];
+                return _pinyinCache[characters];
             }
         }
 
         public string Acronym(string[] pinyin)
         {
-            var acronym = string.Join("", pinyin.Select(p => p[0]));
+            var acronym = string.Join(string.Empty, pinyin.Select(p => p[0]));
             return acronym;
         }
 
@@ -188,12 +194,12 @@ namespace Wox.Infrastructure
 
         private Dictionary<string, string[][]> GetPinyinCacheAsDictionary()
         {
-            return new Dictionary<string, string[][]>(PinyinCache);
+            return new Dictionary<string, string[][]>(_pinyinCache);
         }
 
         private void SetPinyinCacheAsDictionary(Dictionary<string, string[][]> usage)
         {
-            PinyinCache = new ConcurrentDictionary<string, string[][]>(usage);
+            _pinyinCache = new ConcurrentDictionary<string, string[][]>(usage);
         }
     }
 }

src/modules/launcher/Wox.Infrastructure/Exception/ExceptionFormatter.cs

@@ -121,16 +121,22 @@ namespace Wox.Infrastructure.Exception
                         if (versionKeyName.StartsWith("v"))
                         {
                             RegistryKey versionKey = ndpKey.OpenSubKey(versionKeyName);
-                            string name = (string)versionKey.GetValue("Version", "");
-                            string sp = versionKey.GetValue("SP", "").ToString();
-                            string install = versionKey.GetValue("Install", "").ToString();
-                            if (install != "")
-                                if (sp != "" && install == "1")
+                            string name = (string)versionKey.GetValue("Version", string.Empty);
+                            string sp = versionKey.GetValue("SP", string.Empty).ToString();
+                            string install = versionKey.GetValue("Install", string.Empty).ToString();
+                            if (install != string.Empty)
+                            {
+                                if (sp != string.Empty && install == "1")
+                                {
                                     result.Add(string.Format("{0} {1} SP{2}", versionKeyName, name, sp));
+                                }
                                 else
+                                {
                                     result.Add(string.Format("{0} {1}", versionKeyName, name));
+                                }
+                            }
 
-                            if (name != "")
+                            if (name != string.Empty)
                             {
                                 continue;
                             }
@@ -138,16 +144,23 @@ namespace Wox.Infrastructure.Exception
                             foreach (string subKeyName in versionKey.GetSubKeyNames())
                             {
                                 RegistryKey subKey = versionKey.OpenSubKey(subKeyName);
-                                name = (string)subKey.GetValue("Version", "");
-                                if (name != "")
-                                    sp = subKey.GetValue("SP", "").ToString();
-                                install = subKey.GetValue("Install", "").ToString();
-                                if (install != "")
+                                name = (string)subKey.GetValue("Version", string.Empty);
+                                if (name != string.Empty)
                                 {
-                                    if (sp != "" && install == "1")
+                                    sp = subKey.GetValue("SP", string.Empty).ToString();
+                                }
+
+                                install = subKey.GetValue("Install", string.Empty).ToString();
+                                if (install != string.Empty)
+                                {
+                                    if (sp != string.Empty && install == "1")
+                                    {
                                         result.Add(string.Format("{0} {1} {2} SP{3}", versionKeyName, subKeyName, name, sp));
+                                    }
                                     else if (install == "1")
+                                    {
                                         result.Add(string.Format("{0} {1} {2}", versionKeyName, subKeyName, name));
+                                    }
                                 }
                             }
                         }
@@ -159,13 +172,19 @@ namespace Wox.Infrastructure.Exception
                     int releaseKey = (int)ndpKey.GetValue("Release");
                     {
                         if (releaseKey == 378389)
+                        {
                             result.Add("v4.5");
+                        }
 
                         if (releaseKey == 378675)
+                        {
                             result.Add("v4.5.1 installed with Windows 8.1");
+                        }
 
                         if (releaseKey == 378758)
+                        {
                             result.Add("4.5.1 installed on Windows 8, Windows 7 SP1, or Windows Vista SP2");
+                        }
                     }
                 }
 

src/modules/launcher/Wox.Infrastructure/FileSystemHelper/FileVersionInfoWrapper.cs

@@ -9,7 +9,9 @@ namespace Wox.Infrastructure.FileSystemHelper
 {
     public class FileVersionInfoWrapper : IFileVersionInfoWrapper
     {
-        public FileVersionInfoWrapper() { }
+        public FileVersionInfoWrapper()
+        {
+        }
 
         public FileVersionInfo GetVersionInfo(string path)
         {

src/modules/launcher/Wox.Infrastructure/FileSystemHelper/FileWrapper.cs

@@ -2,7 +2,6 @@
 // The Microsoft Corporation licenses this file to you under the MIT license.
 // See the LICENSE file in the project root for more information.
 
-using System;
 using System.IO;
 using Wox.Infrastructure.Logger;
 
@@ -10,7 +9,9 @@ namespace Wox.Infrastructure.FileSystemHelper
 {
     public class FileWrapper : IFileWrapper
     {
-        public FileWrapper() { }
+        public FileWrapper()
+        {
+        }
 
         public string[] ReadAllLines(string path)
         {
@@ -21,7 +22,7 @@ namespace Wox.Infrastructure.FileSystemHelper
             catch (IOException ex)
             {
                 Log.Info($"File {path} is being accessed by another process| {ex.Message}");
-                return new string[] { String.Empty };
+                return new string[] { string.Empty };
             }
         }
     }

src/modules/launcher/Wox.Infrastructure/Helper.cs

@@ -73,11 +73,8 @@ namespace Wox.Infrastructure
 
         public static string Formatted<T>(this T t)
         {
-            var formatted = JsonConvert.SerializeObject(
-               t,
-               Formatting.Indented,
-               new StringEnumConverter()
-           );
+            var formatted = JsonConvert.SerializeObject(t, Formatting.Indented, new StringEnumConverter());
+
             return formatted;
         }
 
@@ -89,7 +86,7 @@ namespace Wox.Infrastructure
                 FileName = path,
                 WorkingDirectory = Path.GetDirectoryName(path),
                 Verb = "runas",
-                UseShellExecute = true
+                UseShellExecute = true,
             };
 
             try
@@ -107,7 +104,7 @@ namespace Wox.Infrastructure
             var processStartInfo = new ProcessStartInfo
             {
                 WorkingDirectory = path,
-                FileName = "cmd.exe"
+                FileName = "cmd.exe",
             };
 
             return Process.Start(processStartInfo);

src/modules/launcher/Wox.Infrastructure/Hotkey/HotkeyModel.cs

@@ -24,7 +24,7 @@ namespace Wox.Infrastructure.Hotkey
         Dictionary<Key, string> specialSymbolDictionary = new Dictionary<Key, string>
         {
             { Key.Space, "Space" },
-            { Key.Oem3, "~" }
+            { Key.Oem3, "~" },
         };
 
         public ModifierKeys ModifierKeys
@@ -81,7 +81,7 @@ namespace Wox.Infrastructure.Hotkey
                 return;
             }
 
-            List<string> keys = hotkeyString.Replace(" ", "").Split('+').ToList();
+            List<string> keys = hotkeyString.Replace(" ", string.Empty).Split('+').ToList();
             if (keys.Contains("Alt"))
             {
                 Alt = true;

src/modules/launcher/Wox.Infrastructure/Hotkey/KeyEvent.cs

@@ -24,6 +24,6 @@ namespace Wox.Infrastructure.Hotkey
         /// <summary>
         /// System key down
         /// </summary>
-        WM_SYSKEYDOWN = 260
+        WM_SYSKEYDOWN = 260,
     }
 }

src/modules/launcher/Wox.Infrastructure/Http/Http.cs

@@ -41,7 +41,7 @@ namespace Wox.Infrastructure.Http
                 {
                     var webProxy = new WebProxy(Proxy.Server, Proxy.Port)
                     {
-                        Credentials = new NetworkCredential(Proxy.UserName, Proxy.Password)
+                        Credentials = new NetworkCredential(Proxy.UserName, Proxy.Password),
                     };
                     return webProxy;
                 }

src/modules/launcher/Wox.Infrastructure/Image/ImageHashGenerator.cs

@@ -25,7 +25,6 @@ namespace Wox.Infrastructure.Image
                 {
                     // PngBitmapEncoder enc2 = new PngBitmapEncoder();
                     // enc2.Frames.Add(BitmapFrame.Create(tt));
-
                     var enc = new JpegBitmapEncoder();
                     var bitmapFrame = BitmapFrame.Create(image);
                     bitmapFrame.Freeze();

src/modules/launcher/Wox.Infrastructure/Image/ImageLoader.cs

@@ -33,7 +33,7 @@ namespace Wox.Infrastructure.Image
             ".gif",
             ".bmp",
             ".tiff",
-            ".ico"
+            ".ico",
         };
 
         public static void Initialize(Theme theme)
@@ -104,7 +104,7 @@ namespace Wox.Infrastructure.Image
             Data,
             ImageFile,
             Error,
-            Cache
+            Cache,
         }
 
         private static ImageResult LoadInternal(string path, bool loadFullImage = false)
@@ -144,8 +144,7 @@ namespace Wox.Infrastructure.Image
                      * - Solution: just load the icon
                      */
                     type = ImageType.Folder;
-                    image = WindowsThumbnailProvider.GetThumbnail(path, Constant.ThumbnailSize,
-                        Constant.ThumbnailSize, ThumbnailOptions.IconOnly);
+                    image = WindowsThumbnailProvider.GetThumbnail(path, Constant.ThumbnailSize, Constant.ThumbnailSize, ThumbnailOptions.IconOnly);
                 }
                 else if (File.Exists(path))
                 {
@@ -164,15 +163,13 @@ namespace Wox.Infrastructure.Image
                              * be the case in many situations while testing.
                              * - Solution: explicitly pass the ThumbnailOnly flag
                              */
-                            image = WindowsThumbnailProvider.GetThumbnail(path, Constant.ThumbnailSize,
-                                Constant.ThumbnailSize, ThumbnailOptions.ThumbnailOnly);
+                            image = WindowsThumbnailProvider.GetThumbnail(path, Constant.ThumbnailSize, Constant.ThumbnailSize, ThumbnailOptions.ThumbnailOnly);
                         }
                     }
                     else
                     {
                         type = ImageType.File;
-                        image = WindowsThumbnailProvider.GetThumbnail(path, Constant.ThumbnailSize,
-                            Constant.ThumbnailSize, ThumbnailOptions.None);
+                        image = WindowsThumbnailProvider.GetThumbnail(path, Constant.ThumbnailSize, Constant.ThumbnailSize, ThumbnailOptions.None);
                     }
                 }
                 else

src/modules/launcher/Wox.Infrastructure/Image/WindowsThumbnailProvider.cs

@@ -3,11 +3,11 @@
 // See the LICENSE file in the project root for more information.
 
 using System;
-using System.Runtime.InteropServices;
 using System.IO;
+using System.Runtime.InteropServices;
+using System.Windows;
 using System.Windows.Interop;
 using System.Windows.Media.Imaging;
-using System.Windows;
 
 namespace Wox.Infrastructure.Image
 {
@@ -66,7 +66,7 @@ namespace Wox.Infrastructure.Image
             PARENTRELATIVEEDITING = 0x80031001,
             DESKTOPABSOLUTEEDITING = 0x8004c000,
             FILESYSPATH = 0x80058000,
-            URL = 0x80068000
+            URL = 0x80068000,
         }
 
         internal enum HResult
@@ -84,7 +84,7 @@ namespace Wox.Infrastructure.Image
             Win32ErrorCanceled = 1223,
             Canceled = unchecked((int)0x800704C7),
             ResourceInUse = unchecked((int)0x800700AA),
-            AccessDenied = unchecked((int)0x80030005)
+            AccessDenied = unchecked((int)0x80030005),
         }
 
         [ComImportAttribute()]
@@ -105,9 +105,15 @@ namespace Wox.Infrastructure.Image
             private int width;
             private int height;
 
-            public int Width { set { width = value; } }
+            public int Width
+            {
+                set { width = value; }
+            }
 
-            public int Height { set { height = value; } }
+            public int Height
+            {
+                set { height = value; }
+            }
         }
 
         public static BitmapSource GetThumbnail(string fileName, int width, int height, ThumbnailOptions options)
@@ -132,12 +138,14 @@ namespace Wox.Infrastructure.Image
             int retCode = SHCreateItemFromParsingName(fileName, IntPtr.Zero, ref shellItem2Guid, out nativeShellItem);
 
             if (retCode != 0)
+            {
                 throw Marshal.GetExceptionForHR(retCode);
+            }
 
             NativeSize nativeSize = new NativeSize
             {
                 Width = width,
-                Height = height
+                Height = height,
             };
 
             IntPtr hBitmap;
@@ -151,7 +159,10 @@ namespace Wox.Infrastructure.Image
 
             Marshal.ReleaseComObject(nativeShellItem);
 
-            if (hr == HResult.Ok) return hBitmap;
+            if (hr == HResult.Ok)
+            {
+                return hBitmap;
+            }
 
             throw new COMException($"Error while extracting thumbnail for {fileName}", Marshal.GetExceptionForHR((int)hr));
         }

src/modules/launcher/Wox.Infrastructure/Logger/Log.cs

@@ -100,7 +100,8 @@ namespace Wox.Infrastructure.Logger
                 logger.Error($"Exception target site:\n <{e.TargetSite}>");
                 logger.Error($"Exception HResult:\n <{e.HResult}>");
                 e = e.InnerException;
-            } while (e != null);
+            }
+            while (e != null);
 
             logger.Error("-------------------------- End exception --------------------------");
         }

src/modules/launcher/Wox.Infrastructure/MatchOption.cs

@@ -0,0 +1,28 @@
+// Copyright (c) Microsoft Corporation
+// The Microsoft Corporation licenses this file to you under the MIT license.
+// See the LICENSE file in the project root for more information.
+
+using System;
+using System.Runtime.CompilerServices;
+
+[assembly: InternalsVisibleToAttribute("Microsoft.Plugin.Program.UnitTests")]
+
+namespace Wox.Infrastructure
+{
+    public class MatchOption
+    {
+        /// <summary>
+        /// Gets or sets prefix of match char, use for highlight
+        /// </summary>
+        [Obsolete("this is never used")]
+        public string Prefix { get; set; } = string.Empty;
+
+        /// <summary>
+        /// Gets or sets suffix of match char, use for highlight
+        /// </summary>
+        [Obsolete("this is never used")]
+        public string Suffix { get; set; } = string.Empty;
+
+        public bool IgnoreCase { get; set; } = true;
+    }
+}

src/modules/launcher/Wox.Infrastructure/MatchResult.cs

@@ -0,0 +1,77 @@
+// Copyright (c) Microsoft Corporation
+// The Microsoft Corporation licenses this file to you under the MIT license.
+// See the LICENSE file in the project root for more information.
+
+using System.Collections.Generic;
+using System.Runtime.CompilerServices;
+using static Wox.Infrastructure.StringMatcher;
+
+[assembly: InternalsVisibleToAttribute("Microsoft.Plugin.Program.UnitTests")]
+
+namespace Wox.Infrastructure
+{
+    public class MatchResult
+    {
+        public MatchResult(bool success, SearchPrecisionScore searchPrecision)
+        {
+            Success = success;
+            SearchPrecision = searchPrecision;
+        }
+
+        public MatchResult(bool success, SearchPrecisionScore searchPrecision, List<int> matchData, int rawScore)
+        {
+            Success = success;
+            SearchPrecision = searchPrecision;
+            MatchData = matchData;
+            RawScore = rawScore;
+        }
+
+        public bool Success { get; set; }
+
+        /// <summary>
+        /// Gets the final score of the match result with search precision filters applied.
+        /// </summary>
+        public int Score { get; private set; }
+
+        /// <summary>
+        /// The raw calculated search score without any search precision filtering applied.
+        /// </summary>
+        private int _rawScore;
+
+        public int RawScore
+        {
+            get
+            {
+                return _rawScore;
+            }
+
+            set
+            {
+                _rawScore = value;
+                Score = ScoreAfterSearchPrecisionFilter(_rawScore);
+            }
+        }
+
+        /// <summary>
+        /// Gets or sets matched data to highlight.
+        /// </summary>
+        public List<int> MatchData { get; set; }
+
+        public SearchPrecisionScore SearchPrecision { get; set; }
+
+        public bool IsSearchPrecisionScoreMet()
+        {
+            return IsSearchPrecisionScoreMet(_rawScore);
+        }
+
+        private bool IsSearchPrecisionScoreMet(int rawScore)
+        {
+            return rawScore >= (int)SearchPrecision;
+        }
+
+        private int ScoreAfterSearchPrecisionFilter(int rawScore)
+        {
+            return IsSearchPrecisionScoreMet(rawScore) ? rawScore : 0;
+        }
+    }
+}

src/modules/launcher/Wox.Infrastructure/Storage/BinaryStorage`1.cs

@@ -77,7 +77,7 @@ namespace Wox.Infrastructure.Storage
             AppDomain.CurrentDomain.AssemblyResolve += CurrentDomain_AssemblyResolve;
             BinaryFormatter binaryFormatter = new BinaryFormatter
             {
-                AssemblyFormat = FormatterAssemblyStyle.Simple
+                AssemblyFormat = FormatterAssemblyStyle.Simple,
             };
 
             try
@@ -119,7 +119,7 @@ namespace Wox.Infrastructure.Storage
             {
                 BinaryFormatter binaryFormatter = new BinaryFormatter
                 {
-                    AssemblyFormat = FormatterAssemblyStyle.Simple
+                    AssemblyFormat = FormatterAssemblyStyle.Simple,
                 };
 
                 try

src/modules/launcher/Wox.Infrastructure/Storage/FileSystemWatcherWrapper.cs

@@ -10,7 +10,9 @@ namespace Wox.Infrastructure.Storage
     // File System Watcher Wrapper class which implements the IFileSystemWatcherWrapper interface
     public class FileSystemWatcherWrapper : FileSystemWatcher, IFileSystemWatcherWrapper
     {
-        public FileSystemWatcherWrapper() { }
+        public FileSystemWatcherWrapper()
+        {
+        }
 
         Collection<string> IFileSystemWatcherWrapper.Filters
         {

src/modules/launcher/Wox.Infrastructure/Storage/JsonStorage`1.cs

@@ -37,7 +37,7 @@ namespace Wox.Infrastructure.Storage
             _serializerSettings = new JsonSerializerSettings
             {
                 ObjectCreationHandling = ObjectCreationHandling.Replace,
-                NullValueHandling = NullValueHandling.Ignore
+                NullValueHandling = NullValueHandling.Ignore,
             };
         }
 

src/modules/launcher/Wox.Infrastructure/Storage/ListRepository`1.cs

@@ -18,7 +18,10 @@ namespace Wox.Infrastructure.Storage
     /// <typeparam name="T">typeof</typeparam>
     public class ListRepository<T> : IRepository<T>, IEnumerable<T>
     {
-        public IList<T> Items { get { return _items.Values.ToList(); } }
+        public IList<T> Items
+        {
+            get { return _items.Values.ToList(); }
+        }
 
         private ConcurrentDictionary<int, T> _items = new ConcurrentDictionary<int, T>();
 

src/modules/launcher/Wox.Infrastructure/Storage/PluginJsonStorage`1.cs

@@ -6,7 +6,8 @@ using System.IO;
 
 namespace Wox.Infrastructure.Storage
 {
-    public class PluginJsonStorage<T> : JsonStorage<T> where T : new()
+    public class PluginJsonStorage<T> : JsonStorage<T>
+        where T : new()
     {
         public PluginJsonStorage()
         {

src/modules/launcher/Wox.Infrastructure/Storage/StoragePowerToysVersionInfo.cs

@@ -12,16 +12,16 @@ namespace Wox.Infrastructure.Storage
         // This detail is accessed by the storage items and is used to decide if the cache must be deleted or not
         public bool clearCache = false;
 
-        private String currentPowerToysVersion = String.Empty;
+        private string currentPowerToysVersion = string.Empty;
 
-        private String FilePath { get; set; } = String.Empty;
+        private string FilePath { get; set; } = string.Empty;
 
         // As of now this information is not pertinent but may be in the future
         // There may be cases when we want to delete only the .cache files and not the .json storage files
         private enum StorageType
         {
             BINARY_STORAGE = 0,
-            JSON_STORAGE = 1
+            JSON_STORAGE = 1,
         }
 
         // To compare the version numbers
@@ -33,7 +33,7 @@ namespace Wox.Infrastructure.Storage
 
             // If there is some error in populating/retrieving the version numbers, then the cache must be deleted
             // This case will not be hit, but is present as a fail safe
-            if (String.IsNullOrEmpty(version1) || String.IsNullOrEmpty(version2))
+            if (string.IsNullOrEmpty(version1) || string.IsNullOrEmpty(version2))
             {
                 return true;
             }
@@ -81,7 +81,7 @@ namespace Wox.Infrastructure.Storage
             }
         }
 
-        private string GetFilePath(String AssociatedFilePath, int type)
+        private string GetFilePath(string AssociatedFilePath, int type)
         {
             string suffix = string.Empty;
             string cacheSuffix = ".cache";
@@ -100,12 +100,12 @@ namespace Wox.Infrastructure.Storage
             return filePath;
         }
 
-        public StoragePowerToysVersionInfo(String AssociatedFilePath, int type)
+        public StoragePowerToysVersionInfo(string AssociatedFilePath, int type)
         {
             FilePath = GetFilePath(AssociatedFilePath, type);
 
             // Get the previous version of PowerToys and cache Storage details from the CacheDetails.json storage file
-            String previousVersion = GetPreviousVersion();
+            string previousVersion = GetPreviousVersion();
             currentPowerToysVersion = Microsoft.PowerToys.Settings.UI.Lib.Utilities.Helper.GetProductVersion();
 
             // If the previous version is below a set threshold, then we want to delete the file

src/modules/launcher/Wox.Infrastructure/Storage/WoxJsonStorage`1.cs

@@ -6,7 +6,8 @@ using System.IO;
 
 namespace Wox.Infrastructure.Storage
 {
-    public class WoxJsonStorage<T> : JsonStorage<T> where T : new()
+    public class WoxJsonStorage<T> : JsonStorage<T>
+        where T : new()
     {
         public WoxJsonStorage()
         {

src/modules/launcher/Wox.Infrastructure/StringMatcher.cs

@@ -6,7 +6,6 @@ using System;
 using System.Collections.Generic;
 using System.Linq;
 using System.Runtime.CompilerServices;
-using static Wox.Infrastructure.StringMatcher;
 
 [assembly: InternalsVisibleToAttribute("Microsoft.Plugin.Program.UnitTests")]
 
@@ -62,7 +61,10 @@ namespace Wox.Infrastructure
         /// </summary>
         public MatchResult FuzzyMatch(string query, string stringToCompare, MatchOption opt)
         {
-            if (string.IsNullOrEmpty(stringToCompare) || string.IsNullOrEmpty(query)) return new MatchResult(false, UserSettingSearchPrecision);
+            if (string.IsNullOrEmpty(stringToCompare) || string.IsNullOrEmpty(query))
+            {
+                return new MatchResult(false, UserSettingSearchPrecision);
+            }
 
             query = query.Trim();
 
@@ -93,7 +95,6 @@ namespace Wox.Infrastructure
 
             for (var compareStringIndex = 0; compareStringIndex < fullStringToCompareWithoutCase.Length; compareStringIndex++)
             {
-
                 // To maintain a list of indices which correspond to spaces in the string to compare
                 // To populate the list only for the first query substring
                 if (fullStringToCompareWithoutCase[compareStringIndex].Equals(' ') && currentQuerySubstringIndex == 0)
@@ -150,10 +151,12 @@ namespace Wox.Infrastructure
                     currentQuerySubstringIndex++;
 
                     allQuerySubstringsMatched = AllQuerySubstringsMatched(currentQuerySubstringIndex, querySubstrings.Length);
-                    if (allQuerySubstringsMatched)
-                        break;
-
-                    // otherwise move to the next query substring
+                    if (allQuerySubstringsMatched)
+                    {
+                        break;
+                    }
+
+                    // otherwise move to the next query substring
                     currentQuerySubstring = querySubstrings[currentQuerySubstringIndex];
                     currentQuerySubstringCharacterIndex = 0;
                 }
@@ -186,8 +189,7 @@ namespace Wox.Infrastructure
             }
         }
 
-        private static bool AllPreviousCharsMatched(int startIndexToVerify, int currentQuerySubstringCharacterIndex,
-                                                        string fullStringToCompareWithoutCase, string currentQuerySubstring)
+        private static bool AllPreviousCharsMatched(int startIndexToVerify, int currentQuerySubstringCharacterIndex, string fullStringToCompareWithoutCase, string currentQuerySubstring)
         {
             var allMatch = true;
             for (int indexToCheck = 0; indexToCheck < currentQuerySubstringCharacterIndex; indexToCheck++)
@@ -250,11 +252,11 @@ namespace Wox.Infrastructure
                 }
                 else
                 {
-                    score += threshold * 10 + (count - threshold) * 5;
+                    score += (threshold * 10) + ((count - threshold) * 5);
                 }
             }
 
-            if (String.Equals(query, stringToCompare, StringComparison.CurrentCultureIgnoreCase))
+            if (string.Equals(query, stringToCompare, StringComparison.CurrentCultureIgnoreCase))
             {
                 var bonusForExactMatch = 10;
                 score += bonusForExactMatch;
@@ -267,86 +269,7 @@ namespace Wox.Infrastructure
         {
             Regular = 50,
             Low = 20,
-            None = 0
+            None = 0,
         }
     }
-
-    public class MatchResult
-    {
-        public MatchResult(bool success, SearchPrecisionScore searchPrecision)
-        {
-            Success = success;
-            SearchPrecision = searchPrecision;
-        }
-
-        public MatchResult(bool success, SearchPrecisionScore searchPrecision, List<int> matchData, int rawScore)
-        {
-            Success = success;
-            SearchPrecision = searchPrecision;
-            MatchData = matchData;
-            RawScore = rawScore;
-        }
-
-        public bool Success { get; set; }
-
-        /// <summary>
-        /// The final score of the match result with search precision filters applied.
-        /// </summary>
-        public int Score { get; private set; }
-
-        /// <summary>
-        /// The raw calculated search score without any search precision filtering applied.
-        /// </summary>
-        private int _rawScore;
-
-        public int RawScore
-        {
-            get { return _rawScore; }
-
-            set
-            {
-                _rawScore = value;
-                Score = ScoreAfterSearchPrecisionFilter(_rawScore);
-            }
-        }
-
-        /// <summary>
-        /// Matched data to highlight.
-        /// </summary>
-        public List<int> MatchData { get; set; }
-
-        public SearchPrecisionScore SearchPrecision { get; set; }
-
-        public bool IsSearchPrecisionScoreMet()
-        {
-            return IsSearchPrecisionScoreMet(_rawScore);
-        }
-
-        private bool IsSearchPrecisionScoreMet(int rawScore)
-        {
-            return rawScore >= (int)SearchPrecision;
-        }
-
-        private int ScoreAfterSearchPrecisionFilter(int rawScore)
-        {
-            return IsSearchPrecisionScoreMet(rawScore) ? rawScore : 0;
-        }
-    }
-
-    public class MatchOption
-    {
-        /// <summary>
-        /// prefix of match char, use for highlight
-        /// </summary>
-        [Obsolete("this is never used")]
-        public string Prefix { get; set; } = "";
-
-        /// <summary>
-        /// suffix of match char, use for highlight
-        /// </summary>
-        [Obsolete("this is never used")]
-        public string Suffix { get; set; } = "";
-
-        public bool IgnoreCase { get; set; } = true;
-    }
 }

src/modules/launcher/Wox.Infrastructure/UserSettings/PluginSettings.cs

@@ -33,7 +33,7 @@ namespace Wox.Infrastructure.UserSettings
                         ID = metadata.ID,
                         Name = metadata.Name,
                         ActionKeywords = metadata.ActionKeywords,
-                        Disabled = metadata.Disabled
+                        Disabled = metadata.Disabled,
                     };
                 }
             }

src/modules/launcher/Wox.Infrastructure/UserSettings/Settings.cs

@@ -14,7 +14,7 @@ namespace Wox.Infrastructure.UserSettings
     public class Settings : BaseModel
     {
         private string _hotkey = "Alt + Space";
-        private string _previousHotkey = "";
+        private string _previousHotkey = string.Empty;
 
         public string PreviousHotkey
         {
@@ -63,7 +63,7 @@ namespace Wox.Infrastructure.UserSettings
         public string ResultFontStretch { get; set; }
 
         /// <summary>
-        /// when false Alphabet static service will always return empty results
+        /// Gets or sets a value indicating whether when false Alphabet static service will always return empty results
         /// </summary>
         public bool ShouldUsePinyin { get; set; } = false;
 
@@ -72,10 +72,13 @@ namespace Wox.Infrastructure.UserSettings
         [JsonIgnore]
         public string QuerySearchPrecisionString
         {
-            get { return QuerySearchPrecision.ToString(); }
+            get
+            {
+                return QuerySearchPrecision.ToString();
+            }
 
-            set
-            {
+            set
+            {
                 try
                 {
                     var precisionScore = (StringMatcher.SearchPrecisionScore)Enum
@@ -92,8 +95,8 @@ namespace Wox.Infrastructure.UserSettings
                     StringMatcher.Instance.UserSettingSearchPrecision = StringMatcher.SearchPrecisionScore.Regular;
 
                     throw;
-                }
-            }
+                }
+            }
         }
 
         public bool AutoUpdates { get; set; } = false;
@@ -143,17 +146,20 @@ namespace Wox.Infrastructure.UserSettings
 
         public bool HideOnStartup { get; set; }
 
-        bool _hideNotifyIcon { get; set; }
+        private bool _hideNotifyIcon;
 
         public bool HideNotifyIcon
         {
-            get { return _hideNotifyIcon; }
+            get
+            {
+                return _hideNotifyIcon;
+            }
 
-            set
-            {
-                _hideNotifyIcon = value;
-                OnPropertyChanged();
-            }
+            set
+            {
+                _hideNotifyIcon = value;
+                OnPropertyChanged();
+            }
         }
 
         public bool LeaveCmdOpen { get; set; }
@@ -176,7 +182,7 @@ namespace Wox.Infrastructure.UserSettings
     {
         Selected,
         Empty,
-        Preserved
+        Preserved,
     }
 
     [Obsolete]
@@ -184,6 +190,6 @@ namespace Wox.Infrastructure.UserSettings
     {
         Normal = 0,
         LayeredWindow = 1,
-        DWM = 2
+        DWM = 2,
     }
 }