Interpreter

PatternsComportamentais/Interpreter/CentenasExpressao.cs

@@ -0,0 +1,32 @@
+using System;
+
+namespace Interpreter
+{
+    public class CentenasExpressao : Expressao
+    {
+        public override string Cinco()
+        {
+            return "D";
+        }
+
+        public override string Nove()
+        {
+            return "CM";
+        }
+
+        public override string Quatro()
+        {
+            return "CD";
+        }
+
+        public override string Um()
+        {
+            return "C";
+        }
+
+        public override int Multiplicar()
+        {
+            return 100;
+        }
+    }
+}

PatternsComportamentais/Interpreter/Contexto.cs

@@ -0,0 +1,17 @@
+using System;
+
+namespace Interpreter
+{
+    public class Contexto
+    {
+        public Contexto(string input)
+        {
+            Input = input;
+        }
+
+        public string Input { get; set; }
+        public int Output { get; set; }
+
+
+    }
+}

PatternsComportamentais/Interpreter/DezenasExpressao.cs

@@ -0,0 +1,32 @@
+using System;
+
+namespace Interpreter
+{
+    public class DezenasExpressao : Expressao
+    {
+        public override string Cinco()
+        {
+            return "L";
+        }
+
+        public override string Nove()
+        {
+            return "XC";
+        }
+
+        public override string Quatro()
+        {
+            return "XL";
+        }
+
+        public override string Um()
+        {
+            return "X";
+        }
+
+        public override int Multiplicar()
+        {
+            return 10;
+        }
+    }
+}

PatternsComportamentais/Interpreter/Expressao.cs

@@ -0,0 +1,42 @@
+using System;
+namespace Interpreter
+{
+    public abstract class Expressao
+    {
+        public abstract string Um();
+        public abstract string Quatro();
+        public abstract string Cinco();
+        public abstract string Nove();
+        public abstract int Multiplicar();
+
+        public void Interpertador(Contexto contexto)
+        {
+            if (contexto.Input.Length == 0)
+            {
+                return;
+            }
+
+            if (contexto.Input.StartsWith(Nove()))
+            {
+                contexto.Output += (9 * Multiplicar());
+                contexto.Input = contexto.Input[2..];
+            }
+            else if (contexto.Input.StartsWith(Quatro()))
+            {
+                contexto.Output += (4 * Multiplicar());
+                contexto.Input = contexto.Input[2..];
+            }
+            else if (contexto.Input.StartsWith(Cinco()))
+            {
+                contexto.Output += (5 * Multiplicar());
+                contexto.Input = contexto.Input[1..];
+            }
+
+            while (contexto.Input.StartsWith(Um()))
+            {
+                contexto.Output += (1 * Multiplicar());
+                contexto.Input = contexto.Input[1..];
+            }
+        }
+    }
+}

PatternsComportamentais/Interpreter/Interpreter.csproj

@@ -0,0 +1,8 @@
+<Project Sdk="Microsoft.NET.Sdk">
+
+  <PropertyGroup>
+    <OutputType>Exe</OutputType>
+    <TargetFramework>netcoreapp3.1</TargetFramework>
+  </PropertyGroup>
+
+</Project>

PatternsComportamentais/Interpreter/MilharesExpressao.cs

@@ -0,0 +1,32 @@
+using System;
+
+namespace Interpreter
+{
+    public class MilharesExpressao : Expressao
+    {
+        public override string Cinco()
+        {
+            return " ";
+        }
+
+        public override string Nove()
+        {
+            return " ";
+        }
+
+        public override string Quatro()
+        {
+            return " ";
+        }
+
+        public override string Um()
+        {
+            return "M";
+        }
+
+        public override int Multiplicar()
+        {
+            return 1000;
+        }
+    }
+}

PatternsComportamentais/Interpreter/Program.cs

@@ -0,0 +1,26 @@
+using System;
+using System.Collections.Generic;
+
+namespace Interpreter
+{
+    class Program
+    {
+        static void Main(string[] args)
+        {
+            string romano = "MCMXXVIII";
+            Contexto contexto = new Contexto(romano);
+
+            List<Expressao> expressoes = new List<Expressao>();
+            expressoes.Add(new MilharesExpressao());
+            expressoes.Add(new CentenasExpressao());
+            expressoes.Add(new DezenasExpressao());
+
+            foreach (Expressao expressao in expressoes)
+            {
+                expressao.Interpertador(contexto);
+            }
+
+            Console.WriteLine($"{romano} == {contexto.Output}");
+        }
+    }
+}

PatternsComportamentais/Interpreter/UnidadeExpressao.cs

@@ -0,0 +1,32 @@
+using System;
+
+namespace Interpreter
+{
+    public class UnidadeExpressao : Expressao
+    {
+        public override string Cinco()
+        {
+            return "V";
+        }
+
+        public override string Nove()
+        {
+            return "IX";
+        }
+
+        public override string Quatro()
+        {
+            return "IV";
+        }
+
+        public override string Um()
+        {
+            return "I";
+        }
+
+        public override int Multiplicar()
+        {
+            return 1;
+        }
+    }
+}

PatternsComportamentais/PatternsComportamentais.sln

@@ -7,6 +7,8 @@ Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "ChainOfResponsibility", "Ch
 EndProject
 Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Command", "Command\Command.csproj", "{0F54B039-B529-4FB1-BEE8-87D210A08952}"
 EndProject
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Interpreter", "Interpreter\Interpreter.csproj", "{3854DE72-2962-43F0-8E6C-3112F6AEE85A}"
+EndProject
 Global
 	GlobalSection(SolutionConfigurationPlatforms) = preSolution
 		Debug|Any CPU = Debug|Any CPU
@@ -21,6 +23,10 @@ Global
 		{0F54B039-B529-4FB1-BEE8-87D210A08952}.Debug|Any CPU.Build.0 = Debug|Any CPU
 		{0F54B039-B529-4FB1-BEE8-87D210A08952}.Release|Any CPU.ActiveCfg = Release|Any CPU
 		{0F54B039-B529-4FB1-BEE8-87D210A08952}.Release|Any CPU.Build.0 = Release|Any CPU
+		{3854DE72-2962-43F0-8E6C-3112F6AEE85A}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{3854DE72-2962-43F0-8E6C-3112F6AEE85A}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{3854DE72-2962-43F0-8E6C-3112F6AEE85A}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{3854DE72-2962-43F0-8E6C-3112F6AEE85A}.Release|Any CPU.Build.0 = Release|Any CPU
 	EndGlobalSection
 	GlobalSection(SolutionProperties) = preSolution
 		HideSolutionNode = FALSE