Added option -i to accept scramble(s) from stdin, very useful for batch mode

1 files changed, 11 insertions, 14 deletions

diff --git a/src/commands.c b/src/commands.c
index fc63e7c..9ecc9c7 100644
--- a/src/commands.c
+++ b/src/commands.c
@@ -4,7 +4,6 @@
 
 CommandArgs *           gen_parse_args(int c, char **v);
 CommandArgs *           help_parse_args(int c, char **v);
-CommandArgs *           print_parse_args(int c, char **v);
 CommandArgs *           parse_only_scramble(int c, char **v);
 CommandArgs *           parse_no_arg(int c, char **v);
 CommandArgs *           solve_parse_args(int c, char **v);
@@ -92,7 +91,7 @@ print_cmd = {
         .name        = "print",
         .usage       = "print SCRAMBLE",
         .description = "Print written description of the cube",
-        .parse_args  = print_parse_args,
+        .parse_args  = parse_only_scramble,
         .exec        = print_exec,
 };
 
@@ -235,6 +234,8 @@ solve_parse_args(int c, char **v)
                         infinitesols = true;
                 } else if (!strcmp(v[i], "-N")) {
                         a->opts->can_niss = true;
+                } else if (!strcmp(v[i], "-i")) {
+                        a->scrstdin = true;
                 } else if (!strcmp(v[i], "-v")) {
                         a->opts->verbose = true;
                 } else if (!strcmp(v[i], "-a")) {
@@ -251,7 +252,7 @@ solve_parse_args(int c, char **v)
         if (infinitesols && !fixedmsols)
                 a->opts->max_solutions = 1000000; /* 1M = +infty */
 
-        a->success = read_scramble(c-i, &v[i], a);
+        a->success = (a->scrstdin && i == c) || read_scramble(c-i, &v[i], a);
         return a;
 }
 
@@ -338,7 +339,12 @@ parse_only_scramble(int c, char **v)
 {
         CommandArgs *a = new_args();
 
-        a->success = read_scramble(c, v, a);
+        if (!strcmp(v[0], "-i")) {
+                a->scrstdin = true;
+                a->success = c == 1;
+        } else {
+                a->success = read_scramble(c, v, a);
+        }
 
         return a;
 }
@@ -353,16 +359,6 @@ parse_no_arg(int c, char **v)
         return a;
 }
 
-CommandArgs *
-print_parse_args(int c, char **v)
-{
-        CommandArgs *a = new_args();
-
-        a->success = read_scramble(c, v, a);
-
-        return a;
-}
-
 /* Exec functions implementation *********************************************/
 
 static void
@@ -611,6 +607,7 @@ new_args()
         CommandArgs *args = malloc(sizeof(CommandArgs));
 
         args->success = false;
+        args->scrstdin = false;
         args->scramble = NULL; /* initialized in read_scramble */
         args->opts = malloc(sizeof(SolveOptions));