600612158 Lab0

CPE200Lab1/CPE200Lab1.sln

@@ -1,10 +1,14 @@
 
 Microsoft Visual Studio Solution File, Format Version 12.00
 # Visual Studio 15
-VisualStudioVersion = 15.0.26730.8
+VisualStudioVersion = 15.0.26730.12
 MinimumVisualStudioVersion = 10.0.40219.1
 Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "CPE200Lab1", "CPE200Lab1\CPE200Lab1.csproj", "{C2B44135-F1AC-48A9-BD70-3BE2C38C2A15}"
 EndProject
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "CPE200Lab1Tests", "CPE200Lab1Tests\CPE200Lab1Tests.csproj", "{C92330F4-DC76-46B0-970C-73126DE55500}"
+EndProject
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "CPE200Lab1Test", "CPE200Lab1Test\CPE200Lab1Test.csproj", "{0E964631-C30F-4089-ADD6-D2F374C1E02D}"
+EndProject
 Global
 	GlobalSection(SolutionConfigurationPlatforms) = preSolution
 		Debug|Any CPU = Debug|Any CPU
@@ -15,6 +19,17 @@ Global
 		{C2B44135-F1AC-48A9-BD70-3BE2C38C2A15}.Debug|Any CPU.Build.0 = Debug|Any CPU
 		{C2B44135-F1AC-48A9-BD70-3BE2C38C2A15}.Release|Any CPU.ActiveCfg = Release|Any CPU
 		{C2B44135-F1AC-48A9-BD70-3BE2C38C2A15}.Release|Any CPU.Build.0 = Release|Any CPU
+
+		{C92330F4-DC76-46B0-970C-73126DE55500}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{C92330F4-DC76-46B0-970C-73126DE55500}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{C92330F4-DC76-46B0-970C-73126DE55500}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{C92330F4-DC76-46B0-970C-73126DE55500}.Release|Any CPU.Build.0 = Release|Any CPU
+
+		{0E964631-C30F-4089-ADD6-D2F374C1E02D}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{0E964631-C30F-4089-ADD6-D2F374C1E02D}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{0E964631-C30F-4089-ADD6-D2F374C1E02D}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{0E964631-C30F-4089-ADD6-D2F374C1E02D}.Release|Any CPU.Build.0 = Release|Any CPU
+
 	EndGlobalSection
 	GlobalSection(SolutionProperties) = preSolution
 		HideSolutionNode = FALSE

CPE200Lab1/CPE200Lab1/CPE200Lab1.csproj

@@ -45,16 +45,28 @@
     <Reference Include="System.Xml" />
   </ItemGroup>
   <ItemGroup>
-    <Compile Include="Form1.cs">
+    <Compile Include="CalculatorEngine.cs" />
+    <Compile Include="ExtendForm.cs">
       <SubType>Form</SubType>
     </Compile>
-    <Compile Include="Form1.Designer.cs">
-      <DependentUpon>Form1.cs</DependentUpon>
+    <Compile Include="ExtendForm.Designer.cs">
+      <DependentUpon>ExtendForm.cs</DependentUpon>
+    </Compile>
+    <Compile Include="MainForm.cs">
+      <SubType>Form</SubType>
+    </Compile>
+    <Compile Include="MainForm.Designer.cs">
+      <DependentUpon>MainForm.cs</DependentUpon>
     </Compile>
     <Compile Include="Program.cs" />
     <Compile Include="Properties\AssemblyInfo.cs" />
-    <EmbeddedResource Include="Form1.resx">
-      <DependentUpon>Form1.cs</DependentUpon>
+    <Compile Include="RPNCalculatorEngine.cs" />
+    <Compile Include="SimpleCalculatorEngine.cs" />
+    <EmbeddedResource Include="ExtendForm.resx">
+      <DependentUpon>ExtendForm.cs</DependentUpon>
+    </EmbeddedResource>
+    <EmbeddedResource Include="MainForm.resx">
+      <DependentUpon>MainForm.cs</DependentUpon>
     </EmbeddedResource>
     <EmbeddedResource Include="Properties\Resources.resx">
       <Generator>ResXFileCodeGenerator</Generator>

CPE200Lab1/CPE200Lab1/CalculatorEngine.cs

@@ -0,0 +1,93 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace CPE200Lab1
+{
+    public class CalculatorEngine
+    {
+        protected bool isNumber(string str)//--------------------------use-----------------------------------
+        {
+            double retNum;
+            return Double.TryParse(str, out retNum);
+        }
+
+        protected bool isOperator(string str)//-------------------------use-----------------------------------
+        {
+            switch(str) {
+                case "+":
+                case "-":
+                case "X":
+                case "÷":
+                    return true;
+            }
+            return false;
+        }
+
+		public virtual string Process(string str)//---------------------------use---------------------------
+        {
+            //Split input string to multiple parts by space
+            List<string> parts = str.Split(' ').ToList<string>();
+            string result;
+            //As long as we have more than one part
+            while(parts.Count > 1)
+            {
+                //Check if the first three is ready for calcuation
+                if(!(isNumber(parts[0]) && isOperator(parts[1]) && isNumber(parts[2])))
+                {
+                    return "E";
+                } else
+                {
+                    //Calculate the first three
+                    result = calculate(parts[1], parts[0], parts[2], 4);
+                    //Remove the first three
+                    parts.RemoveRange(0, 3);
+                    // Put back the result
+                    parts.Insert(0, result);
+                }
+            }
+            return parts[0];
+        }
+
+        public string calculate(string operate, string firstOperand, string secondOperand, int maxOutputSize = 8)//---------------------use----------------
+        {
+            switch (operate)
+            {
+                case "+":
+                    return (Convert.ToDouble(firstOperand) + Convert.ToDouble(secondOperand)).ToString();
+                case "-":
+                    return (Convert.ToDouble(firstOperand) - Convert.ToDouble(secondOperand)).ToString();
+                case "X":
+                    return (Convert.ToDouble(firstOperand) * Convert.ToDouble(secondOperand)).ToString();
+                case "÷":
+                    // Not allow devide be zero
+                    if (secondOperand != "0")
+                    {
+                        double result;
+                        string[] parts;
+                        int remainLength;
+
+                        result = (Convert.ToDouble(firstOperand) / Convert.ToDouble(secondOperand));
+                        // split between integer part and fractional part
+                        parts = result.ToString().Split('.');
+                        // if integer part length is already break max output, return error
+                        if (parts[0].Length > maxOutputSize)
+                        {
+                            return "E";
+                        }
+                        // calculate remaining space for fractional part.
+                        remainLength = maxOutputSize - parts[0].Length - 1;
+                        // trim the fractional part gracefully. =
+                        return result.ToString("N" + remainLength);
+                    }
+                    break;
+                case "%":
+                    //your code here
+                    break;
+            }
+            return "E";
+        }
+    }
+}