Add way to extract numbers from the csv file

Include/FileHelper.h

@@ -0,0 +1,13 @@
+#ifndef FILEHELPER_H
+#define FILEHELPER_H
+
+class FileHelper {
+    public:
+        FileHelper();
+        
+        ~FileHelper();
+        
+        static bool FileExists(char *path);
+};
+
+#endif

Include/FileReader.h

@@ -1,13 +1,16 @@
 #ifndef FILEREADER_H
 #define FILEREADER_H
 
+#include <string>
+#include <vector>
+
 class FileReader {
     public:
         FileReader();
         
         ~FileReader();
         
-        char *Read();
+        static std::string GetFile(char *path);
 };
 
 #endif

Include/NumberHelper.h

@@ -0,0 +1,16 @@
+#ifndef NUMBERHELPER_H
+#define NUMBERHELPER_H
+
+#include <string>
+#include <vector>
+
+class NumberHelper {
+    public:
+        NumberHelper();
+        
+        ~NumberHelper();
+        
+        static std::vector<int> GetNumbers(const std::string csv);
+};
+
+#endif

rolls.txt

@@ -0,0 +1 @@
+2, 3, 5, 4, 9, 1, 2, 5, 3, 2, 4, 2, 3, 3, 4, 6, 10, 3, 2

src/FileHelper.cpp

@@ -0,0 +1,16 @@
+#include "../Include/FileHelper.h"
+#include <sys/stat.h>
+
+FileHelper::FileHelper() {};
+FileHelper::~FileHelper() {};
+
+bool FileHelper::FileExists(char *path){
+    struct stat s;
+    
+    // Check if file exists, and if it isn't a folder.
+    if (stat(path, &s) == 0 && !(s.st_mode & S_IFDIR)){
+        return true;
+    }
+    
+    return false;
+}

src/FileReader.cpp

@@ -1,9 +1,18 @@
 #include "../Include/FileReader.h"
-#include <iostream>
+#include <string>
+#include <fstream>
 
 FileReader::FileReader() {};
 FileReader::~FileReader() {};
 
-char *FileReader::Read(){
+std::string FileReader::GetFile(char *path){
-    return nullptr;
+    std::ifstream file(path);
+    
+    std::string line;
+    
+    std::getline(file, line);
+    
+    file.close();
+    
+    return line;
 }

src/NumberHelper.cpp

@@ -0,0 +1,19 @@
+#include "../Include/NumberHelper.h"
+#include <string>
+#include <sstream>
+#include <vector>
+
+NumberHelper::NumberHelper() {};
+NumberHelper::~NumberHelper() {};
+
+std::vector<int> NumberHelper::GetNumbers(const std::string csv){
+    std::vector<int> rolls;
+    std::stringstream ss(csv);
+    std::string number;
+    
+    while (std::getline(ss, number, ',')) {
+        rolls.push_back(std::stoi(number));
+    }
+    
+    return rolls;
+}

src/main.cpp

@@ -1,7 +1,27 @@
 #include <iostream>
 #include <string>
+#include "../Include/FileReader.h"
+#include "../Include/FileHelper.h"
+#include "../Include/NumberHelper.h"
 
-int main() {
+int main(int argc, char *argv[]) {
-    std::cout << "Hello, World!" << std::endl;
+    if(argc < 2) {
+        std::cerr << "Please provide a CSV formatted file.";
+        return 0;
+    }
+    
+    if(!FileHelper::FileExists(argv[1])) {
+        std::cerr << "Filepath: " << argv[1] << " doesn't exist.";
+        return 0;
+    }
+    
+    std::string file = FileReader::GetFile(argv[1]);
+
+    std::vector<int> numbers = NumberHelper::GetNumbers(file);
+    
+    for(int i = 0; i < numbers.size(); i++) {
+        std::cout << numbers[i] << ' ';
+    }
+    
     return 0;
 }