Use file scoped namespaces

Sharp7.Rx.Tests/S7ValueConverterTests.cs

@@ -1,5 +1,4 @@
-using System;
-using NUnit.Framework;
+using NUnit.Framework;
 using Sharp7.Rx.Interfaces;
 using Shouldly;
 

Sharp7.Rx.Tests/S7VariableNameParserTests.cs

@@ -1,5 +1,4 @@
-using System.Collections.Generic;
-using DeepEqual.Syntax;
+using DeepEqual.Syntax;
 using NUnit.Framework;
 using Sharp7.Rx.Enums;
 

Sharp7.Rx/Basics/ConcurrentSubjectDictionary.cs

@@ -1,14 +1,12 @@
-using System;
-using System.Collections.Concurrent;
-using System.Collections.Generic;
+using System.Collections.Concurrent;
 using System.Reactive;
 using System.Reactive.Linq;
 using System.Reactive.Subjects;
 
-namespace Sharp7.Rx.Basics
+namespace Sharp7.Rx.Basics;
+
+internal class ConcurrentSubjectDictionary<TKey, TValue> : IDisposable
 {
-    internal class ConcurrentSubjectDictionary<TKey, TValue> : IDisposable
-    {
     private readonly object dictionaryLock = new object();
     private readonly Func<TKey, TValue> valueFactory;
     private ConcurrentDictionary<TKey, SubjectWithRefCounter> dictionary;
@@ -124,5 +122,4 @@ namespace Sharp7.Rx.Basics
         public int Counter { get; set; }
         public ISubject<TValue> Subject { get; set; }
     }
-    }
 }

Sharp7.Rx/Basics/DisposableItem.cs

@@ -1,9 +1,7 @@
-using System;
+namespace Sharp7.Rx.Basics;
 
-namespace Sharp7.Rx.Basics
+internal class DisposableItem<TValue> : IDisposable
 {
-    internal class DisposableItem<TValue> : IDisposable
-    {
     private readonly Action disposeAction;
 
     bool disposed;
@@ -33,5 +31,4 @@ namespace Sharp7.Rx.Basics
 
         disposed = true;
     }
-    }
 }

Sharp7.Rx/Basics/LimitedConcurrencyLevelTaskScheduler.cs

@@ -1,18 +1,12 @@
-using System;
-using System.Collections.Generic;
-using System.Linq;
-using System.Threading;
-using System.Threading.Tasks;
+namespace Sharp7.Rx.Basics;
 
-namespace Sharp7.Rx.Basics
+/// <summary>
+///     Provides a task scheduler that ensures a maximum concurrency level while
+///     running on top of the ThreadPool.
+///     from http://msdn.microsoft.com/en-us/library/ee789351.aspx
+/// </summary>
+internal class LimitedConcurrencyLevelTaskScheduler : TaskScheduler
 {
-    /// <summary>
-    ///     Provides a task scheduler that ensures a maximum concurrency level while
-    ///     running on top of the ThreadPool.
-    ///     from http://msdn.microsoft.com/en-us/library/ee789351.aspx
-    /// </summary>
-    internal class LimitedConcurrencyLevelTaskScheduler : TaskScheduler
-    {
     /// <summary>Whether the current thread is processing work items.</summary>
     [ThreadStatic] private static bool currentThreadIsProcessingItems;
 
@@ -142,5 +136,4 @@ namespace Sharp7.Rx.Basics
             }
         }, null);
     }
-    }
 }

Sharp7.Rx/CacheVariableNameParser.cs

@@ -1,11 +1,10 @@
-using System;
-using System.Collections.Concurrent;
+using System.Collections.Concurrent;
 using Sharp7.Rx.Interfaces;
 
-namespace Sharp7.Rx
+namespace Sharp7.Rx;
+
+internal class CacheVariableNameParser : IS7VariableNameParser
 {
-    internal class CacheVariableNameParser : IS7VariableNameParser
-    {
     private static readonly ConcurrentDictionary<string, S7VariableAddress> addressCache = new ConcurrentDictionary<string, S7VariableAddress>(StringComparer.OrdinalIgnoreCase);
 
     private readonly IS7VariableNameParser inner;
@@ -16,5 +15,4 @@ namespace Sharp7.Rx
     }
 
     public S7VariableAddress Parse(string input) => addressCache.GetOrAdd(input, inner.Parse);
-    }
 }

Sharp7.Rx/Enums/ConnectionState.cs

@@ -1,10 +1,9 @@
-namespace Sharp7.Rx.Enums
+namespace Sharp7.Rx.Enums;
+
+public enum ConnectionState
 {
-    public enum ConnectionState
-    {
     Initial,
     Connected,
     DisconnectedByUser,
     ConnectionLost
-    }
 }

Sharp7.Rx/Enums/CpuType.cs

@@ -1,10 +1,9 @@
-namespace Sharp7.Rx.Enums
+namespace Sharp7.Rx.Enums;
+
+internal enum CpuType
 {
-    internal enum CpuType
-    {
     S7_300,
     S7_400,
     S7_1200,
     S7_1500
-    }
 }

Sharp7.Rx/Enums/DbType.cs

@@ -1,7 +1,7 @@
-namespace Sharp7.Rx.Enums
+namespace Sharp7.Rx.Enums;
+
+internal enum DbType
 {
-    internal enum DbType
-    {
     Bit,
     String,
     Byte,
@@ -9,5 +9,4 @@
     Integer,
     DInteger,
     ULong
-    }
 }

Sharp7.Rx/Enums/Operand.cs

@@ -1,10 +1,9 @@
-namespace Sharp7.Rx.Enums
+namespace Sharp7.Rx.Enums;
+
+internal enum Operand : byte
 {
-    internal enum Operand : byte
-    {
     Input = 69,
     Output = 65,
     Marker = 77,
     Db = 68,
-    }
 }

Sharp7.Rx/Enums/TransmissionMode.cs

@@ -1,8 +1,7 @@
-namespace Sharp7.Rx.Enums
+namespace Sharp7.Rx.Enums;
+
+public enum TransmissionMode
 {
-    public enum TransmissionMode
-    {
     Cyclic = 3,
     OnChange = 4,
-    }
 }

Sharp7.Rx/Extensions/DisposableExtensions.cs

@@ -1,13 +1,11 @@
-using System;
-using System.Reactive.Disposables;
+using System.Reactive.Disposables;
 
-namespace Sharp7.Rx.Extensions
+namespace Sharp7.Rx.Extensions;
+
+internal static class DisposableExtensions
 {
-    internal static class DisposableExtensions
-    {
     public static void AddDisposableTo(this IDisposable disposable, CompositeDisposable compositeDisposable)
     {
         compositeDisposable.Add(disposable);
     }
-    }
 }

Sharp7.Rx/Extensions/ObservableExtensions.cs

@@ -1,13 +1,12 @@
-using System;
-using System.Reactive.Concurrency;
+using System.Reactive.Concurrency;
 using System.Reactive.Disposables;
 using System.Reactive.Linq;
 using Microsoft.Extensions.Logging;
 
-namespace Sharp7.Rx.Extensions
+namespace Sharp7.Rx.Extensions;
+
+internal static class ObservableExtensions
 {
-    internal static class ObservableExtensions
-    {
     public static IObservable<T> DisposeMany<T>(this IObservable<T> source)
     {
         return Observable.Create<T>(obs =>
@@ -79,5 +78,4 @@ namespace Sharp7.Rx.Extensions
         var deferedObs = Observable.Defer(() => ((++attempt == 1) ? source : source.DelaySubscription(retryDelay, scheduler)));
         return retryCount > 0 ? reDoCount(deferedObs, retryCount) : reDo(deferedObs);
     }
-    }
 }

Sharp7.Rx/Extensions/PlcExtensions.cs

@@ -1,16 +1,14 @@
-using System;
-using System.Reactive;
+using System.Reactive;
 using System.Reactive.Disposables;
 using System.Reactive.Linq;
 using System.Reactive.Threading.Tasks;
-using System.Threading.Tasks;
 using Sharp7.Rx.Enums;
 using Sharp7.Rx.Interfaces;
 
-namespace Sharp7.Rx.Extensions
+namespace Sharp7.Rx.Extensions;
+
+public static class PlcExtensions
 {
-    public static class PlcExtensions
-    {
     public static IObservable<TReturn> CreateDatatransferWithHandshake<TReturn>(this IPlc plc, string triggerAddress, string ackTriggerAddress, Func<IPlc, Task<TReturn>> readData, bool initialTransfer)
     {
         return Observable.Create<TReturn>(async observer =>
@@ -70,5 +68,4 @@ namespace Sharp7.Rx.Extensions
             await plc.SetValue(ackTriggerAddress, true);
         }
     }
-    }
 }

Sharp7.Rx/Interfaces/IPlc.cs

@@ -1,18 +1,15 @@
-using System;
-using System.Threading.Tasks;
-using JetBrains.Annotations;
+using JetBrains.Annotations;
 using Microsoft.Extensions.Logging;
 using Sharp7.Rx.Enums;
 
-namespace Sharp7.Rx.Interfaces
+namespace Sharp7.Rx.Interfaces;
+
+[NoReorder]
+public interface IPlc : IDisposable
 {
-    [NoReorder]
-    public interface IPlc : IDisposable
-    {
     IObservable<TValue> CreateNotification<TValue>(string variableName, TransmissionMode transmissionMode);
     Task SetValue<TValue>(string variableName, TValue value);
     Task<TValue> GetValue<TValue>(string variableName);
     IObservable<ConnectionState> ConnectionState { get; }
     ILogger Logger { get; }
-    }
 }

Sharp7.Rx/Interfaces/IS7Connector.cs

@@ -1,15 +1,11 @@
-using System;
-using System.Collections.Generic;
-using System.Threading;
-using System.Threading.Tasks;
-using JetBrains.Annotations;
+using JetBrains.Annotations;
 using Sharp7.Rx.Enums;
 
-namespace Sharp7.Rx.Interfaces
+namespace Sharp7.Rx.Interfaces;
+
+[NoReorder]
+internal interface IS7Connector : IDisposable
 {
-    [NoReorder]
-    internal interface IS7Connector : IDisposable
-    {
     IObservable<ConnectionState> ConnectionState { get; }
     Task InitializeAsync();
 
@@ -22,5 +18,4 @@ namespace Sharp7.Rx.Interfaces
     Task<ushort> WriteBytes(Operand operand, ushort startByteAdress, byte[] data, ushort dBNr, CancellationToken token);
 
     Task<Dictionary<string, byte[]>> ExecuteMultiVarRequest(IReadOnlyList<string> variableNames);
-    }
 }

Sharp7.Rx/Interfaces/IS7VariableNameParser.cs

@@ -1,7 +1,6 @@
-namespace Sharp7.Rx.Interfaces
+namespace Sharp7.Rx.Interfaces;
+
+internal interface IS7VariableNameParser
 {
-    internal interface IS7VariableNameParser
-    {
     S7VariableAddress Parse(string input);
-    }
 }

Sharp7.Rx/S7ErrorCodes.cs

@@ -1,9 +1,7 @@
-using System.Collections.Generic;
+namespace Sharp7.Rx;
 
-namespace Sharp7.Rx
+public static class S7ErrorCodes
 {
-    public static class S7ErrorCodes
-    {
     /// <summary>
     ///     This list is not exhaustive and should be considered work in progress.
     /// </summary>
@@ -23,5 +21,4 @@ namespace Sharp7.Rx
     {
         return !notDisconnectedErrorCodes.Contains(errorCode);
     }
-    }
 }

Sharp7.Rx/S7ValueConverter.cs

@@ -1,13 +1,12 @@
-using System;
-using System.Buffers.Binary;
+using System.Buffers.Binary;
 using System.Runtime.InteropServices;
 using System.Text;
 using Sharp7.Rx.Enums;
 
-namespace Sharp7.Rx
+namespace Sharp7.Rx;
+
+internal static class S7ValueConverter
 {
-    internal static class S7ValueConverter
-    {
     public static TValue ConvertToType<TValue>(byte[] buffer, S7VariableAddress address)
     {
         if (typeof(TValue) == typeof(bool))
@@ -81,5 +80,4 @@ namespace Sharp7.Rx
         [FieldOffset(0)] public uint UInt32;
         [FieldOffset(0)] public float Single;
     }
-    }
 }

Sharp7.Rx/S7VariableAddress.cs

@@ -1,16 +1,15 @@
 using JetBrains.Annotations;
 using Sharp7.Rx.Enums;
 
-namespace Sharp7.Rx
+namespace Sharp7.Rx;
+
+[NoReorder]
+internal class S7VariableAddress
 {
-    [NoReorder]
-    internal class S7VariableAddress
-    {
     public Operand Operand { get; set; }
     public ushort DbNr { get; set; }
     public ushort Start { get; set; }
     public ushort Length { get; set; }
     public byte Bit { get; set; }
     public DbType Type { get; set; }
-    }
 }

Sharp7.Rx/S7VariableNameParser.cs

@@ -1,14 +1,12 @@
-using System;
-using System.Collections.Generic;
-using System.Globalization;
+using System.Globalization;
 using System.Text.RegularExpressions;
 using Sharp7.Rx.Enums;
 using Sharp7.Rx.Interfaces;
 
-namespace Sharp7.Rx
+namespace Sharp7.Rx;
+
+internal class S7VariableNameParser : IS7VariableNameParser
 {
-    internal class S7VariableNameParser : IS7VariableNameParser
-    {
     private static readonly Regex regex = new Regex(@"^(?<operand>db{1})(?<dbNr>\d{1,4})\.?(?<type>dbx|x|s|string|b|dbb|d|int|dbw|w|dint|dul|dulint|dulong|){1}(?<start>\d+)(\.(?<bitOrLength>\d+))?$", RegexOptions.IgnoreCase | RegexOptions.Compiled | RegexOptions.CultureInvariant);
 
     private static readonly IReadOnlyDictionary<string, DbType> types = new Dictionary<string, DbType>(StringComparer.OrdinalIgnoreCase)
@@ -80,5 +78,4 @@ namespace Sharp7.Rx
 
         return null;
     }
-    }
 }

Sharp7.Rx/Settings/PlcConnectionSettings.cs

@@ -1,10 +1,9 @@
-namespace Sharp7.Rx.Settings
+namespace Sharp7.Rx.Settings;
+
+internal class PlcConnectionSettings
 {
-    internal class PlcConnectionSettings
-    {
     public int CpuMpiAddress { get; set; }
     public string IpAddress { get; set; }
     public int Port { get; set; }
     public int RackNumber { get; set; }
-    }
 }

Sharp7.Rx/Sharp7Connector.cs

@@ -1,11 +1,6 @@
-using System;
-using System.Collections.Generic;
-using System.Linq;
-using System.Reactive.Disposables;
+using System.Reactive.Disposables;
 using System.Reactive.Linq;
 using System.Reactive.Subjects;
-using System.Threading;
-using System.Threading.Tasks;
 using Microsoft.Extensions.Logging;
 using Sharp7.Rx.Basics;
 using Sharp7.Rx.Enums;
@@ -14,10 +9,10 @@ using Sharp7.Rx.Interfaces;
 using Sharp7.Rx.Resources;
 using Sharp7.Rx.Settings;
 
-namespace Sharp7.Rx
+namespace Sharp7.Rx;
+
+internal class Sharp7Connector : IS7Connector
 {
-    internal class Sharp7Connector : IS7Connector
-    {
     private readonly BehaviorSubject<ConnectionState> connectionStateSubject = new BehaviorSubject<ConnectionState>(Enums.ConnectionState.Initial);
     private readonly int cpuSlotNr;
 
@@ -275,5 +270,4 @@ namespace Sharp7.Rx
     {
         Dispose(false);
     }
-    }
 }

Sharp7.Rx/Sharp7Plc.cs

@@ -1,13 +1,8 @@
-using System;
-using System.Collections.Generic;
-using System.Diagnostics;
-using System.Linq;
+using System.Diagnostics;
 using System.Reactive;
 using System.Reactive.Disposables;
 using System.Reactive.Linq;
 using System.Text;
-using System.Threading;
-using System.Threading.Tasks;
 using Microsoft.Extensions.Logging;
 using Sharp7.Rx.Basics;
 using Sharp7.Rx.Enums;
@@ -15,10 +10,10 @@ using Sharp7.Rx.Extensions;
 using Sharp7.Rx.Interfaces;
 using Sharp7.Rx.Settings;
 
-namespace Sharp7.Rx
+namespace Sharp7.Rx;
+
+public class Sharp7Plc : IPlc
 {
-    public class Sharp7Plc : IPlc
-    {
     protected readonly CompositeDisposable Disposables = new CompositeDisposable();
     private readonly ConcurrentSubjectDictionary<string, byte[]> multiVariableSubscriptions = new ConcurrentSubjectDictionary<string, byte[]>(StringComparer.InvariantCultureIgnoreCase);
     private readonly List<long> performanceCoutner = new List<long>(1000);
@@ -280,5 +275,4 @@ namespace Sharp7.Rx
     {
         Dispose(false);
     }
-    }
 }