Creating a main and a cartridge reader

sources/Cartridge/Cartridge.cpp

@@ -0,0 +1,51 @@
+//
+// Created by anonymus-raccoon on 1/27/20.
+//
+
+#include <sys/stat.h>
+#include <iostream>
+#include <cstring>
+#include "Cartridge.hpp"
+#include "../Exceptions/NotImplementedException.hpp"
+
+namespace ComSquare::Cartridge
+{
+	size_t Cartridge::getRomSize(const std::string &romPath)
+	{
+		struct stat info;
+
+		if (stat(romPath.c_str(), &info) < 0)
+			throw InvalidRomException("File not found.");
+		return info.st_size;
+	}
+
+	Cartridge::Cartridge(const std::string &romPath)
+	{
+		try {
+			size_t size = this->getRomSize(romPath);
+			FILE *rom = fopen(romPath.c_str(), "rb");
+
+			if (!rom)
+				throw InvalidRomException("Could not open the rom file at " + romPath + ". " + strerror(errno));
+			this->_size = size;
+			this->_data = new unsigned char[size];
+			std::memset(this->_data, 0, size);
+			fread(this->_data, 1, size, rom);
+		} catch (InvalidRomException &ex) {
+			std::cerr << "Invalid Rom Error: " << ex.what() << std::endl;
+		}
+	}
+
+	uint8_t Cartridge::read(uint32_t addr)
+	{
+		(void)addr;
+		throw NotImplementedException();
+	}
+
+	void Cartridge::write(uint32_t addr, uint8_t data)
+	{
+		(void)addr;
+		(void)data;
+		throw NotImplementedException();
+	}
+}