Reformatting and reimperilment escape codes

YesNt.CodeEditor/Editor.cs

@@ -4,14 +4,15 @@ using System.IO;
 
 using YesNt.Interpreter.Runtime;
 
-namespace YesNt.CodeEditor
+namespace YesNt.CodeEditor;
+
+internal class TextEditor
 {
-    internal class TextEditor
-    {
     private readonly InputHandler inputHandler;
     private readonly SyntaxHighlighter syntaxHighlighter;
     private readonly List<string> debugOutput = new();
 
+    private readonly Point oldSize = new Point(0, 0);
     public YesNtInterpreter YesNtInterpreter { get; } = new();
     public int LineOffset { get; set; } = 0;
     public List<string> Lines { get; } = new();
@@ -177,6 +178,14 @@ namespace YesNt.CodeEditor
         }
     }
 
+    public int GetSpacing()
+    {
+        int padding = (Console.WindowHeight + LineOffset - 3).ToString().Length;
+        padding = Math.Max(padding, Lines.Count.ToString().Length);
+        padding += 1;
+        return padding;
+    }
+
     private void YesNtInterpreter_OnDebugOutput(string output)
     {
         debugOutput.Add(output);
@@ -225,16 +234,6 @@ namespace YesNt.CodeEditor
         }
     }
 
-        public int GetSpacing()
-        {
-            int padding = (Console.WindowHeight + LineOffset - 3).ToString().Length;
-            padding = Math.Max(padding, Lines.Count.ToString().Length);
-            padding += 1;
-            return padding;
-        }
-
-        private readonly Point oldSize = new Point(0, 0);
-
     private bool SizeChanged()
     {
         if (oldSize.X != Console.WindowWidth || oldSize.Y != Console.WindowHeight)
@@ -245,10 +244,10 @@ namespace YesNt.CodeEditor
         }
         return false;
     }
-    }
+}
 
-    internal class Point
-    {
+internal class Point
+{
     public int X { get; set; }
     public int Y { get; set; }
 
@@ -257,12 +256,11 @@ namespace YesNt.CodeEditor
         X = x;
         Y = y;
     }
-    }
+}
 
-    internal enum Mode
-    {
+internal enum Mode
+{
     Edit,
     Command,
     Debug
-    }
 }

YesNt.CodeEditor/InputHandler.cs

@@ -1,10 +1,10 @@
 using System;
 using System.Text;
 
-namespace YesNt.CodeEditor
+namespace YesNt.CodeEditor;
+
+internal class InputHandler
 {
-    internal class InputHandler
-    {
     private readonly TextEditor textEditor;
 
     public InputHandler(TextEditor textEditor)
@@ -126,8 +126,13 @@ namespace YesNt.CodeEditor
 
                 textEditor.Lines[textEditor.CursorPosition.Y] = lineBuilder.ToString();
 
-                    if (keyInfo.Key == ConsoleKey.Backspace)
+                if (keyInfo.Key is ConsoleKey.Backspace or ConsoleKey.Delete)
                 {
+                    if (keyInfo.Key == ConsoleKey.Delete)
+                    {
+                        textEditor.CursorPosition.X++;
+                    }
+
                     if (textEditor.CursorPosition.X > 0)
                     {
                         if (textEditor.Lines[textEditor.CursorPosition.Y][textEditor.CursorPosition.X - 1] == ' ' && textEditor.CursorPosition.X > textEditor.Lines[textEditor.CursorPosition.Y].TrimEnd().Length)
@@ -309,5 +314,4 @@ namespace YesNt.CodeEditor
         Console.SetCursorPosition(0, Console.WindowHeight - 1);
         Console.Write(input + new string(' ', Console.WindowWidth - input.Length - 1));
     }
-    }
 }

YesNt.CodeEditor/Program.cs

@@ -1,11 +1,4 @@
-namespace YesNt.CodeEditor
-{
-    internal static class Program
-    {
-        private static void Main(string[] args)
-        {
-            TextEditor textEditor = args.Length > 0 ? new TextEditor(args[0]) : new TextEditor();
-            textEditor.Run();
-        }
-    }
-}
+using YesNt.CodeEditor;
+
+TextEditor textEditor = args.Length > 0 ? new TextEditor(args[0]) : new TextEditor();
+textEditor.Run();

YesNt.CodeEditor/SyntaxHighlighter.cs

@@ -1,5 +1,6 @@
 using System;
 using System.Collections.ObjectModel;
+using System.Linq;
 using System.Text.RegularExpressions;
 
 using YesNt.Interpreter.Enums;
@@ -11,10 +12,12 @@ namespace YesNt.CodeEditor;
 internal partial class SyntaxHighlighter
 {
     private readonly ReadOnlyCollection<StatementInformation> statementInformation;
+    private readonly string[] replacementValues;
 
     public SyntaxHighlighter(ReadOnlyCollection<StatementInformation> statementInformation)
     {
         this.statementInformation = statementInformation;
+        replacementValues = StringExtentions.ReplacementRules.Values.ToArray();
     }
 
     public static string Base64Encode(string plainText)
@@ -39,10 +42,9 @@ internal partial class SyntaxHighlighter
         }
         else
         {
-            MatchCollection matches = EscapeSequenceRegex().Matches(input);
-            for (int i = 0; i < matches.Count; i++)
+            for (int i = 0; i < replacementValues.Length; i++)
             {
-                input = AddColorInformation(input, matches[i].Value, ConsoleColor.DarkYellow, SearchMode.Contains);
+                input = AddColorInformation(input, replacementValues[i], ConsoleColor.Blue, SearchMode.Contains);
             }
 
             foreach (StatementInformation statement in statementInformation)
@@ -110,7 +112,7 @@ internal partial class SyntaxHighlighter
                 }
             }
 
-            matches = VariableRegex().Matches(input);
+            MatchCollection matches = VariableRegex().Matches(input);
             for (int i = 0; i < matches.Count; i++)
             {
                 input = AddColorInformation(input, matches[i].Value, ConsoleColor.Cyan, SearchMode.Contains);
@@ -171,9 +173,6 @@ internal partial class SyntaxHighlighter
         return reult;
     }
 
-    [GeneratedRegex("!!.")]
-    private static partial Regex EscapeSequenceRegex();
-
     [GeneratedRegex("^<[a-zA-Z0-9]+")]
     private static partial Regex VariableDeclarationRegex();
 

YesNt.Interpreter.Tests/CodeFowTests.cs

@@ -38,7 +38,6 @@ public class CodeFlowTests
     [TestMethod]
     public void CalculationsTest()
     {
-        Assert.Inconclusive();
-        YesNtAssert.IsLineEqual("10 * 10 !calc", 20.ToString());
+        YesNtAssert.IsLineEqual("10 * 10 !calc", 100.ToString());
     }
 }

YesNt.Interpreter.Tests/YesNtAssert.cs

@@ -60,4 +60,26 @@ internal static class YesNtAssert
 
         Assert.AreEqual(expected, debugEventArgs.CurrentLine);
     }
+
+    public static void IsLineNotEqual(string line, string expected, int timeout = 1000)
+    {
+        AutoResetEvent onDone = new AutoResetEvent(false);
+        List<string> lines = new List<string>()
+        {
+           line
+        };
+
+        DebugEventArgs debugEventArgs = new DebugEventArgs();
+        yesNtInterpreter.OnLineExecuted += (er) =>
+        {
+            debugEventArgs = er ?? debugEventArgs;
+            _ = onDone.Set();
+        };
+
+        yesNtInterpreter.Execute(lines, true);
+
+        _ = onDone.WaitOne(TimeSpan.FromMilliseconds(timeout));
+
+        Assert.AreNotEqual(expected, debugEventArgs.CurrentLine);
+    }
 }

YesNt.Interpreter/Statements/ProcessingStatements.cs

@@ -38,23 +38,6 @@ internal partial class ProcessingStatements : StatementRuntimeInformation
         RuntimeInfo.CurrentLine = args.FromSafeString();
     }
 
-    [Statement("!!", SearchMode.Contains, SpaceAround.None, ConsoleColor.DarkYellow, Priority = Priority.PreProcessing, KeepStatementInArgs = true)]
-    public void DontEvaluate(string args)
-    {
-        int index;
-        while ((index = args.IndexOf("!!")) != -1)
-        {
-            args = args.Remove(index, 2);
-            if (index < args.Length)
-            {
-                char charToEscape = args[index];
-                args = args.Remove(index, 1);
-                args = args.Insert(index, charToEscape.ToString().ToSafeString());
-            }
-        }
-        RuntimeInfo.CurrentLine = args;
-    }
-
     [Statement("!task", SearchMode.EndOfLine, SpaceAround.Start, ConsoleColor.DarkYellow, Priority = Priority.VeryHigh)]
     public void RunTask(string line)
     {
@@ -77,9 +60,15 @@ internal partial class ProcessingStatements : StatementRuntimeInformation
     [Statement("slp", SearchMode.StartOfLine, SpaceAround.End, ConsoleColor.Magenta)]
     public void Sleep(string args)
     {
-        _ = int.TryParse(args, out int millisecondsTimeout);
+        if (int.TryParse(args, out int millisecondsTimeout))
+        {
             ConsoleExtentions.Sleep(millisecondsTimeout, RuntimeInfo);
         }
+        else
+        {
+            RuntimeInfo.Exit($"\"{args}\" is not a valid time-out value", true);
+        }
+    }
 
     [Statement("len", SearchMode.StartOfLine, SpaceAround.End, ConsoleColor.Magenta)]
     public void Length(string args)

YesNt.Interpreter/Statements/VariableStatements.cs

@@ -91,6 +91,11 @@ internal partial class VariableStatements : StatementRuntimeInformation
 
         MatchCollection matches = VariableStatementRegex().Matches(RuntimeInfo.CurrentLine);
 
+        if (matches.Count <= 0)
+        {
+            RuntimeInfo.Exit("Invalid syntax", true);
+        }
+
         for (int i = 0; i < matches.Count; i++)
         {
             string varName = matches[i].Value.Replace(">", string.Empty);

YesNt.Interpreter/Utilities/StringExtentions.cs

@@ -1,11 +1,34 @@
 using System;
+using System.Collections.Generic;
+using System.Diagnostics.CodeAnalysis;
 using System.Globalization;
+using System.Linq;
 using System.Text;
 
 namespace YesNt.Interpreter.Utilities;
 
 public static class StringExtentions
 {
+    private static readonly Dictionary<string, string> reverseReplacementRules;
+
+    public static Dictionary<string, string> ReplacementRules { get; } = new()
+    {
+        {"~", "~til" },
+        {" ", "~spc" },
+        {"%", "~per" },
+        {"<", "~let" },
+        {">", "~grt" },
+        {",", "~com" },
+        {"!", "~exm" },
+        {"|", "~pip" }
+    };
+
+    [SuppressMessage("Minor Code Smell", "S3963:\"static\" fields should be initialized inline", Justification = "Doesn't work because it throws a TypeInitializationException")]
+    static StringExtentions()
+    {
+        reverseReplacementRules = ReplacementRules.ToDictionary(x => x.Value, x => x.Key);
+    }
+
     public static string ToSafeString(this string input)
     {
         StringBuilder output = new StringBuilder();
@@ -13,16 +36,32 @@ public static class StringExtentions
         {
             _ = output.Append($"\v{c}\v");
         }
-        return output
-            .ToString()
-            .Replace(' ', '~');
+
+        return ReplaceOnce(output.ToString(), ReplacementRules);
     }
 
     public static string FromSafeString(this string input)
     {
-        return input
-            .Replace("\v", "")
-            .Replace('~', ' ');
+        return ReplaceOnce(input.Replace("\v", ""), reverseReplacementRules);
+    }
+
+    public static string ReplaceOnce(string input, Dictionary<string, string> replacementRules)
+    {
+        IEnumerable<KeyValuePair<string, string>> matches = replacementRules.Where(rule => input.Contains(rule.Key));
+        if (!matches.Any())
+        {
+            return input;
+        }
+
+        KeyValuePair<string, string> match = matches.First();
+        int startIndex = input.IndexOf(match.Key);
+        int endIndex = startIndex + match.Key.Length;
+
+        string before = ReplaceOnce(input[..startIndex], replacementRules);
+        string replaced = match.Value;
+        string after = ReplaceOnce(input[endIndex..], replacementRules);
+
+        return before + replaced + after;
     }
 
     public static bool ToStandardizedNumber(this string input, out double result)