ẠA͏A͍A͍A͉A͔A͏A͆A͔A͈AͅA̓A͏Ä́AͅA̎

src/Program.cs

@@ -0,0 +1,140 @@
+using System.Text;
+
+namespace scream
+{
+    /// <summary>
+    /// Implements the Scream Cipher, encoding messages using diacritics on the letter 'A'.
+    /// </summary>
+    class Program
+    {
+        /// <summary>
+        /// The base character 'A' used for encoding messages with diacritics.
+        /// </summary>
+        private const char BASE_CHARACTER = 'A';
+
+        /// <summary>
+        /// The starting ASCII value of printable characters.
+        /// </summary>
+        private const int ASCII_START = 0x20;
+
+        /// <summary>
+        /// The ending ASCII value of printable characters.
+        /// </summary>
+        /// <remarks>
+        /// Not used, but included for reference
+        /// </remarks>
+        private const int ASCII_END = 0x7E;
+
+        /// <summary>
+        /// The starting Unicode code point for diacritic marks.
+        /// </summary>
+        private const int DIACRITIC_START = 0x300;
+
+        /// <summary>
+        /// The ending Unicode code point for diacritic marks.
+        /// </summary>
+        /// <remarks>
+        /// Not used, but included for reference
+        /// </remarks>
+        private const int DIACRITIC_END = 0x36F; // Not needed, but here for reference.
+
+        /// <summary> Main entry-point for this application. </summary>
+        /// <param name="args"> The component parts of the message. </param>
+        static void Main(string[] args)
+        {
+            if (args[0].Equals("-q") || args[0].Equals("--quiet"))
+            {
+                QuietDown(args);
+            }
+            else if (args.Length > 0)
+            {
+                var scream = Scream(args);
+                Console.OutputEncoding = System.Text.Encoding.UTF8;
+                Console.WriteLine(scream);
+            }
+            else
+            {
+                return;
+            }
+        }
+
+        /// <summary> Quiets the given message as defined by the string arry. </summary>
+        /// <param name="messageComponents"> The component parts of the message. </param>
+        /// <returns> A string representing the quiet message. </returns>
+        private static string QuietDown(string[] messageComponents)
+        {
+            var concat = string.Concat(messageComponents.Skip(1));
+            StringBuilder sb = new StringBuilder();
+
+            foreach (var c in concat)
+            {
+                var index = GetAsciiIndex(c);
+                var ascii = GetAscii(index);
+
+                sb.Append(ascii);
+            }
+
+            return sb.ToString();
+        }
+
+        /// <summary> Screams the given message as defined by the string array. </summary>
+        /// <param name="messageComponents"> The component parts of the message. </param>
+        /// <returns> A string representing the screamed message. </returns>
+        private static string Scream(string[] messageComponents)
+        {
+            var concat = string.Concat(messageComponents);
+            StringBuilder sb = new StringBuilder();
+
+            foreach (var c in concat)
+            {
+                var index = GetDiacriticIndex(c);
+                var diacritic = GetDiacritic(index);
+
+                sb.Append(BASE_CHARACTER);
+                sb.Append(diacritic);
+            }
+
+            return sb.ToString();
+        }
+
+        /// <summary> Gets the zero-based index of the diacritic character. </summary>
+        /// <param name="character"> The diacritic character to index. </param>
+        /// <returns> The diacritic character index. </returns>
+        private static int GetDiacriticIndex(char character)
+        {
+            var index = character - ASCII_START;
+
+            return index;
+        }
+
+        /// <summary> Gets the zero-based index of the viewable ASCII character. </summary>
+        /// <param name="character"> The ASCII character to index. </param>
+        /// <returns> The ASCII character index. </returns>
+        private static int GetAsciiIndex(char character)
+        {
+            var index = character - DIACRITIC_START;
+
+            return index;
+        }
+
+        /// <summary> Gets a diacritic character given an index offset. </summary>
+        /// <param name="index"> Zero-based index of the Diacritic character. </param>
+        /// <returns> The diacritic character. </returns>
+        private static char GetDiacritic(int index)
+        {
+            var diacritic = (char)(DIACRITIC_START + index);
+
+            return diacritic;
+        }
+
+        /// <summary> Gets an ASCII character given an index offset. </summary>
+        /// <param name="index"> Zero-based index of the ASCII character. </param>
+        /// <returns> The ASCII character. </returns>
+        private static char GetAscii(int index)
+        {
+            var character = (char)(ASCII_START + index);
+
+            return character;
+        }
+    }
+}

src/Properties/launchSettings.json

@@ -0,0 +1,8 @@
+{
+  "profiles": {
+    "scream": {
+      "commandName": "Project",
+      "commandLineArgs": "Commit of the code."
+    }
+  }
+}

src/scream.csproj

@@ -0,0 +1,10 @@
+<Project Sdk="Microsoft.NET.Sdk">
+
+  <PropertyGroup>
+    <OutputType>Exe</OutputType>
+    <TargetFramework>net8.0</TargetFramework>
+    <ImplicitUsings>enable</ImplicitUsings>
+    <Nullable>enable</Nullable>
+  </PropertyGroup>
+
+</Project>

src/scream.sln

@@ -0,0 +1,22 @@
+
+Microsoft Visual Studio Solution File, Format Version 12.00
+# Visual Studio Version 17
+VisualStudioVersion = 17.12.35707.178 d17.12
+MinimumVisualStudioVersion = 10.0.40219.1
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "scream", "scream.csproj", "{356B3F61-4A5F-49D8-8389-5B99516275C0}"
+EndProject
+Global
+	GlobalSection(SolutionConfigurationPlatforms) = preSolution
+		Debug|Any CPU = Debug|Any CPU
+		Release|Any CPU = Release|Any CPU
+	EndGlobalSection
+	GlobalSection(ProjectConfigurationPlatforms) = postSolution
+		{356B3F61-4A5F-49D8-8389-5B99516275C0}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{356B3F61-4A5F-49D8-8389-5B99516275C0}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{356B3F61-4A5F-49D8-8389-5B99516275C0}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{356B3F61-4A5F-49D8-8389-5B99516275C0}.Release|Any CPU.Build.0 = Release|Any CPU
+	EndGlobalSection
+	GlobalSection(SolutionProperties) = preSolution
+		HideSolutionNode = FALSE
+	EndGlobalSection
+EndGlobal