add help and version

src/color.h

@@ -0,0 +1,23 @@
+
+// Header guard
+#ifndef RESET
+
+#define RESET   "\033[0m"
+#define BLACK   "\033[30m"      /* Black */
+#define RED     "\033[31m"      /* Red */
+#define GREEN   "\033[32m"      /* Green */
+#define YELLOW  "\033[33m"      /* Yellow */
+#define BLUE    "\033[34m"      /* Blue */
+#define MAGENTA "\033[35m"      /* Magenta */
+#define CYAN    "\033[36m"      /* Cyan */
+#define WHITE   "\033[37m"      /* White */
+#define BOLDBLACK   "\033[1m\033[30m"      /* Bold Black */
+#define BOLDRED     "\033[1m\033[31m"      /* Bold Red */
+#define BOLDGREEN   "\033[1m\033[32m"      /* Bold Green */
+#define BOLDYELLOW  "\033[1m\033[33m"      /* Bold Yellow */
+#define BOLDBLUE    "\033[1m\033[34m"      /* Bold Blue */
+#define BOLDMAGENTA "\033[1m\033[35m"      /* Bold Magenta */
+#define BOLDCYAN    "\033[1m\033[36m"      /* Bold Cyan */
+#define BOLDWHITE   "\033[1m\033[37m"      /* Bold White */
+
+#endif

src/main.cpp

@@ -1,7 +1,50 @@
+#include "color.h"
+#include <cstdlib>
 #include <iostream>
+#include <unistd.h>
+
+#define NAME "ParaDocs"
+#define VERSION "0.0.1"
+
+void PrintHelp() {
+  std::cout << RED R"( ____                         ____
+/\  _`\                      /\  _`\
+\ \ \L\ \ __     _ __    __  \ \ \/\ \    ___     ___    ____
+ \ \ ,__/'__`\  /\`'__\/'__`\ \ \ \ \ \  / __`\  /'___\ /',__\
+  \ \ \/\ \L\.\_\ \ \//\ \L\.\_\ \ \_\ \/\ \L\ \/\ \__//\__, `\
+   \ \_\ \__/.\_\\ \_\\ \__/.\_\\ \____/\ \____/\ \____\/\____/
+    \/_/\/__/\/_/ \/_/ \/__/\/_/ \/___/  \/___/  \/____/\/___/)"
+            << RESET "\nUsage:\n"
+            << NAME << " [options]\n"
+            << "-h\t\tPrint this help\n"
+            << "-V\t\tPrint version\n";
+  exit(0);
+}
+
+void PrintVersion() {
+  std::cout << NAME << " version " << VERSION << "\n";
+  exit(0);
+}
 
 int main(int argc, char *argv[]) {
-	for(int i= 0;i < 10; i++){
-		std::cout << "trestní oznámení\n";
-	}
+
+  int opt;
+  while ((opt = getopt(argc, argv, "hV")) != -1) {
+    switch (opt) {
+    case 'h':
+      PrintHelp();
+      break;
+    case 'V':
+      PrintVersion();
+      break;
+    default:
+      std::cerr << RED "[ERROR]" << RESET " invalid option: " << (char)optopt
+                << "\ntry: -h\n";
+      return EINVAL;
+    }
+  }
+
+  for (int i = 0; i < 10; i++) {
+    std::cout << "trestní oznámení\n";
+  }
 }