- handle seed in args

src/arguments.cc

@@ -4,6 +4,7 @@
 #include <utility>
 #include <fstream>
 #include <string>
+#include <sstream>
 #include "file_input.h"
 #include "file_output.h"
 #include "console_input.h"
@@ -15,7 +16,8 @@ feature proc_args(int argc, char **argv,
                   std::unique_ptr<cursor>  &curse,
                   std::unique_ptr<input>   &in,
                   std::unique_ptr<display> &out,
-                  std::unique_ptr<logger>  &log) {
+                  std::unique_ptr<logger>  &log,
+                  std::unique_ptr<RNG>     &rng) {
         feature result = 0;
         std::string str;
         std::string fn_fin;
@@ -122,6 +124,16 @@ feature proc_args(int argc, char **argv,
                 out = std::make_unique<curses_output>(curse);
         }
 
+        if (result & FEATURE_SEED) {
+                std::istringstream iss {seed};
+                unsigned int tmp;
+                iss >> tmp;
+                if (!iss.good()) 
+                        return FEATURE_PANIC_SEED;
+                        
+                rng = std::make_unique<RNG>(tmp);     
+        }
+
         return result;
 }
 
@@ -153,6 +165,9 @@ void panic_args(feature panic) {
                         cerr << "Something must have went really, really, wrong..."
                              << endl;
                 }
+        } 
+        else if (panic & FEATURE_PANIC_SEED) {
+                cerr << "Invalid seed" << endl; 
         } else
                 cerr << "Something must have went really, really, wrong..."
                      << endl;

src/arguments.h

@@ -5,6 +5,8 @@
 #include "cursor.h"
 #include "display.h"
 #include "input.h"
+#include "rng.h"
+
 
 #include "constants.h"
 
@@ -28,7 +30,8 @@ feature proc_args(int argc, char **argv,
                   std::unique_ptr<cursor>  &curse,
                   std::unique_ptr<input>   &in,
                   std::unique_ptr<display> &out,
-                  std::unique_ptr<logger>  &log);
+                  std::unique_ptr<logger>  &log,
+                  std::unique_ptr<RNG>     &rng);
 
 void panic_args(feature panic);
 

src/constants.h

@@ -82,6 +82,8 @@ const feature FEATURE_SEED          = 1 << 7;
 const feature FEATURE_MENU          = 1 << 8;
 const feature FEATURE_IN_FILE       = 1 << 9;
 const feature FEATURE_OUT_FILE      = 1 << 10;
+
+const feature FEATURE_PANIC_SEED    = 1 << 27;
 const feature FEATURE_PANIC_FILE    = 1 << 28;
 const feature FEATURE_PANIC         = 1 << 29;
 const feature FEATURE_CONFLICT      = 1 << 30;

src/main.cc

@@ -6,11 +6,15 @@ int main(int argc, char **argv) {
         std::unique_ptr<input>   in;
         std::unique_ptr<display> out;
         std::unique_ptr<logger>  log;
+        std::unique_ptr<RNG>     rng;
 
-        feature enabled_features = proc_args(argc, argv, curse, in, out, log);
+
+        feature enabled_features = proc_args(argc, argv, 
+                                             curse, in, out, log, rng);
 
         if (enabled_features &
-            (FEATURE_PANIC | FEATURE_PANIC_FILE | FEATURE_CONFLICT)) {
+            (FEATURE_PANIC | FEATURE_PANIC_FILE | 
+             FEATURE_CONFLICT | FEATURE_PANIC_SEED)) {
                 panic_args(enabled_features);
                 return RETURN_PANICKED;
         }