Fix hopcroft DFA minimization and add plot graph function

Author: rollrat

InhaCC/InhaCC/App.config

@@ -1,6 +1,9 @@
-<?xml version="1.0" encoding="utf-8"?>
+<?xml version="1.0" encoding="utf-8"?>
 <configuration>
     <startup> 
         <supportedRuntime version="v4.0" sku=".NETFramework,Version=v4.5"/>
     </startup>
+    <appSettings>
+      <add key="graphVizLocation" value="C:\Program Files (x86)\Graphviz2.38\bin"/>
+    </appSettings>
 </configuration>

InhaCC/InhaCC/Graph.cs

@@ -0,0 +1,51 @@
+/*
+
+   Copyright (C) 2019. rollrat All Rights Reserved.
+
+   Author: Jeong HyunJun
+
+*/
+
+using GraphVizWrapper;
+using GraphVizWrapper.Commands;
+using GraphVizWrapper.Queries;
+using System;
+using System.Collections.Generic;
+using System.Drawing;
+using System.IO;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace InhaCC
+{
+    public class Graph
+    {
+        public static Bitmap ToImage(string str)
+        {
+            var getStartProcessQuery = new GetStartProcessQuery();
+            var getProcessStartInfoQuery = new GetProcessStartInfoQuery();
+            var registerLayoutPluginCommand = new RegisterLayoutPluginCommand(getProcessStartInfoQuery, getStartProcessQuery);
+            
+            var wrapper = new GraphGeneration(getStartProcessQuery,
+                                              getProcessStartInfoQuery,
+                                              registerLayoutPluginCommand);
+
+            byte[] output = wrapper.GenerateGraph(str /*"digraph{a -> b; b -> c; c -> a;}"*/, Enums.GraphReturnType.Png);
+
+            return ByteToImage(output);
+        }
+
+
+        private static Bitmap ByteToImage(byte[] blob)
+        {
+            MemoryStream mStream = new MemoryStream();
+            byte[] pData = blob;
+            mStream.Write(pData, 0, Convert.ToInt32(pData.Length));
+            Bitmap bm = new Bitmap(mStream, false);
+            mStream.Dispose();
+            return bm;
+        }
+
+    }
+}

InhaCC/InhaCC/InhaCC.csproj

@@ -33,7 +33,13 @@
     <WarningLevel>4</WarningLevel>
   </PropertyGroup>
   <ItemGroup>
+    <Reference Include="GraphVizWrapper, Version=1.0.0.0, Culture=neutral, processorArchitecture=MSIL">
+      <HintPath>..\packages\GraphViz.NET.1.0.0\lib\net40\GraphVizWrapper.dll</HintPath>
+    </Reference>
     <Reference Include="System" />
+    <Reference Include="System.Collections.Immutable, Version=1.0.34.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a, processorArchitecture=MSIL">
+      <HintPath>..\packages\Microsoft.Bcl.Immutable.1.0.34\lib\portable-net45+win8+wp8+wpa81\System.Collections.Immutable.dll</HintPath>
+    </Reference>
     <Reference Include="System.Core" />
     <Reference Include="System.Xml.Linq" />
     <Reference Include="System.Data.DataSetExtensions" />
@@ -48,6 +54,7 @@
   <ItemGroup>
     <Compile Include="cc\ParserGenerator.cs" />
     <Compile Include="cc\ScannerGenerator.cs" />
+    <Compile Include="Graph.cs" />
     <Compile Include="MainForm.cs">
       <SubType>Form</SubType>
     </Compile>
@@ -69,6 +76,7 @@
       <DependentUpon>Resources.resx</DependentUpon>
       <DesignTime>True</DesignTime>
     </Compile>
+    <None Include="packages.config" />
     <None Include="Properties\Settings.settings">
       <Generator>SettingsSingleFileGenerator</Generator>
       <LastGenOutput>Settings.Designer.cs</LastGenOutput>