Condensed solar system csv files into one.

Add argument parser for help and different systems

1 files changed, 24 insertions, 3 deletions

diff --git a/src/main.cpp b/src/main.cpp
index 9ff09a6..5fafaf8 100644
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -1,21 +1,42 @@
 #include <iostream>
 #include "game.hpp"
+#include "diargs.hpp"
 
 #include <sys/ioctl.h>
 #include <fcntl.h>
 #include <unistd.h>
 
+void
+printusage(int err)
+{
+    std::cout << "systemviewer " << VERSION << std::endl << 
+        "Usage: systemviewer [OPTION]... [FILE]" << std::endl << 
+        "With no FILE, FILE is assumed to be data/sol.csv" << std::endl <<
+        "-h --help : print this message" << std::endl;
+
+    std::exit(err);
+}
+
 int
 main(int argc, char **argv)
 {
-    (void)argc;
-    (void)argv;
+    std::string system = "dat/sol.csv";
+    bool helpflag;
+
+    diargs::ArgsPair args{argc, argv};
+    diargs::ArgumentList arglist(
+        diargs::OrderedArgument<std::string>(system),
+        diargs::ToggleArgument<bool>("help", 'h', helpflag, true)
+            );
+    diargs::ArgumentParser(printusage, arglist, args);
+
+    if(helpflag) printusage(0);
 
     struct winsize w;
     ioctl(STDOUT_FILENO, TIOCGWINSZ, &w);
     fcntl(STDIN_FILENO, F_SETFL, fcntl(0, F_GETFL) | O_NONBLOCK);
 
-    Game::setup(w.ws_col, w.ws_row);
+    Game::setup(w.ws_col, w.ws_row, system);
 
     while(Game::running()) {
         Game::turn();