From 176d018da1147c207d140604ebe00c9c9d6af350 Mon Sep 17 00:00:00 2001
From: Arthur Zachow <arthur.zachow@gmail.com>
Date: Sun, 5 Jan 2020 20:41:42 -0300
Subject: [PATCH] Created the CLI for the program. Moved the code that calls
 the emulation to the IOHelper.

---
 Emuander/Emuander.vcxproj         |  1 +
 Emuander/Emuander.vcxproj.filters |  6 ++++
 Emuander/include/CIOHelper.h      |  4 +++
 Emuander/src/CIOHelper.cpp        | 28 +++++++++++++++
 Emuander/src/main.cpp             | 60 +++++++++++++++++++++----------
 5 files changed, 80 insertions(+), 19 deletions(-)

diff --git a/Emuander/Emuander.vcxproj b/Emuander/Emuander.vcxproj
index f40a7a2..83b007a 100644
--- a/Emuander/Emuander.vcxproj
+++ b/Emuander/Emuander.vcxproj
@@ -144,6 +144,7 @@
     <ClCompile Include="src\main.cpp" />
   </ItemGroup>
   <ItemGroup>
+    <ClInclude Include="include\args.hxx" />
     <ClInclude Include="include\CComputer.h" />
     <ClInclude Include="include\CIOHelper.h" />
     <ClInclude Include="include\SRegisters.h" />
diff --git a/Emuander/Emuander.vcxproj.filters b/Emuander/Emuander.vcxproj.filters
index 8ca4634..a04fe95 100644
--- a/Emuander/Emuander.vcxproj.filters
+++ b/Emuander/Emuander.vcxproj.filters
@@ -7,6 +7,9 @@
     <Filter Include="include">
       <UniqueIdentifier>{42152646-e35e-45f4-adf8-025f07116d90}</UniqueIdentifier>
     </Filter>
+    <Filter Include="lib">
+      <UniqueIdentifier>{833cd24e-5ff8-49e4-a097-94a282c6019c}</UniqueIdentifier>
+    </Filter>
   </ItemGroup>
   <ItemGroup>
     <ClCompile Include="src\main.cpp">
@@ -29,5 +32,8 @@
     <ClInclude Include="include\CIOHelper.h">
       <Filter>include</Filter>
     </ClInclude>
+    <ClInclude Include="include\args.hxx">
+      <Filter>lib</Filter>
+    </ClInclude>
   </ItemGroup>
 </Project>
\ No newline at end of file
diff --git a/Emuander/include/CIOHelper.h b/Emuander/include/CIOHelper.h
index 2100242..e3af361 100644
--- a/Emuander/include/CIOHelper.h
+++ b/Emuander/include/CIOHelper.h
@@ -34,6 +34,10 @@ namespace Neander
 
 		// Print the program registers
 		static void PrintRegisters(const SRegisters& registersToPrint);
+
+		// Run Neander
+		static EIOCode RunNeander(
+			const std::filesystem::path& inputFile, const std::filesystem::path& outputFile);
 	};
 }
 
diff --git a/Emuander/src/CIOHelper.cpp b/Emuander/src/CIOHelper.cpp
index cd01120..9dbf94d 100644
--- a/Emuander/src/CIOHelper.cpp
+++ b/Emuander/src/CIOHelper.cpp
@@ -116,4 +116,32 @@ namespace Neander
 		std::cout << "NEG: " << static_cast<int>(registersToPrint.m_negativeCondition) << std::endl;
 		std::cout << "ZER: " << static_cast<int>(registersToPrint.m_zeroCondition) << std::endl;
 	}
+
+	CIOHelper::EIOCode
+		CIOHelper::RunNeander(const std::filesystem::path& inputFile, const std::filesystem::path& outputFile)
+	{
+		// Return value
+		EIOCode retVal(EIOCode::UNKNOWN_ERROR);
+
+		// Neander computer instance
+		Neander::CComputer neanderComputer;
+
+		// Input memory
+		std::array<uint8_t, CComputer::ms_cMemorySize> inputMemory;
+
+		retVal = CIOHelper::LoadProgramFromFile(inputFile, inputMemory);
+
+		if (retVal == Neander::CIOHelper::EIOCode::SUCCESS)
+		{
+			neanderComputer.setMemory(inputMemory);
+
+			neanderComputer.runProgram();
+
+			CIOHelper::PrintRegisters(neanderComputer.getRegisters());
+
+			retVal = CIOHelper::SaveProgramToFile(neanderComputer.getMemory(), outputFile);
+		}
+
+		return retVal;
+	}
 }
\ No newline at end of file
diff --git a/Emuander/src/main.cpp b/Emuander/src/main.cpp
index f180045..455dc75 100644
--- a/Emuander/src/main.cpp
+++ b/Emuander/src/main.cpp
@@ -1,32 +1,54 @@
 #include<iostream>
 #include<fstream>
 
-#include"CComputer.h"
+#include"args.hxx"
 #include"CIOHelper.h"
 
-int main()
+int main(int argc, char **argv)
 {
-	Neander::CComputer neanderComputer;
+	// Main return value
+	int retValue(0);
 
-	std::array<uint8_t, Neander::CComputer::ms_cMemorySize> exampleProgram;
+	// CLI arguments
+	args::ArgumentParser parser("Neander Emulator", "Made by: Arthur Zachow Coelho");
+	args::HelpFlag help(parser, "help", "Display this help menu", { 'h', "help" });
+	args::ValueFlag<std::string> inputPath(parser, "input_program_file", "Input program file (.mem)", { 'i' });
+	args::ValueFlag<std::string> outputPath(parser, "output_program_file", "Output memory file (.mem)", { 'o' });
 
-	Neander::CIOHelper::EIOCode loadStatus = 
-		Neander::CIOHelper::LoadProgramFromFile("/home/lain/projects/Emuander/teste.mem", exampleProgram);
-
-	if (loadStatus == Neander::CIOHelper::EIOCode::SUCCESS)
+	try
 	{
-		neanderComputer.setMemory(exampleProgram);
-
-		neanderComputer.runProgram();
-
-		Neander::SRegisters registersRead(neanderComputer.getRegisters());
-
-		Neander::CIOHelper::PrintRegisters(registersRead);
+		parser.ParseCLI(argc, argv);
+	}
+	catch (args::Help& e)
+	{
+		std::cout << parser;
+		retValue = 0;
+	}
+	catch (args::ParseError& e)
+	{
+		std::cerr << e.what() << std::endl;
+		std::cerr << parser;
+		retValue = 1;
+	}
+	catch (args::ValidationError& e)
+	{
+		std::cerr << e.what() << std::endl;
+		std::cerr << parser;
+		retValue = 1;
+	}
 
-		Neander::CIOHelper::SaveProgramToFile(
-			neanderComputer.getMemory(),
-			"/home/lain/projects/Emuander/testeOut2.mem");
+	if (inputPath && outputPath)
+	{
+		std::cout << "Running Neander..." << std::endl;
+		Neander::CIOHelper::RunNeander(args::get(inputPath), args::get(outputPath));
+		retValue = 0;
+	}
+	else
+	{
+		std::cout << "Neander usage:" << std::endl;
+		std::cout << parser;
+		retValue = 0;
 	}
 
-	return 0;
+	return retValue;
 }
\ No newline at end of file