1 files changed, 97 insertions, 24 deletions

diff --git a/rf.c b/rf.c
index 64489e4..eced3e5 100644
--- a/rf.c
+++ b/rf.c
@@ -8,16 +8,22 @@
  *             czjstmax
  *   <jstmaxlol at
  *      disroot dot org>
+ *
+ *  check MAINTAINERS file
  */
 
 #define _POSIX_C_SOURCE 200809L
 
-#define RUNFILE_VERSION 1
-
-#include <stdio.h>
+#define RUNFILE_VER_MAJ 1     /* anything that changes how rfile are written in the slightest */
+#define RUNFILE_VER_MIN 1     /* anything that varies the UX of the program (i.e. CLI flags)  */ 
+#define RUNFILE_VER_FIX 20    /* optimizations, slight logic tweaks, anything that is not     */
+                              /* noticeable by the user but impacts the dev experience enough */
+#include <stdio.h>            /* to be important                                              */
+#include <ctype.h>
 #include <stdlib.h>
 #include <string.h>
 #include <unistd.h>
+#include <stdbool.h>
 #include <wordexp.h>
 #include <sys/wait.h>
 
@@ -25,20 +31,29 @@ void usage();
 
 int main(int argc, char **argv)
 {
-    if (argc > 2)
-        usage();
-    else if (argc >= 2) {
+    char *section = NULL;
+    bool in_section = false;
+    bool should_run = false;
+
+    // check cli arguments
+    // if (argc < 2) {
+    //     printf("<rf> not enough arguments.\n");
+    //     usage();
+    //     return 1;
+    // }
+    if (argc >= 2) {
         for (int i = 1; i < argc; i++) {
-            if (strcmp(argv[i], "-h") == 0 || strcmp(argv[i], "--help") == 0)
+            if (strcmp(argv[i], "-h") == 0 || strcmp(argv[i], "--help") == 0) {
                 usage();
+                return 0;
+            }
         }
-
     }
 
     FILE *f = fopen("rfile", "r");
 
     if (!f) {
-        printf("no rfile found.\n");
+        fprintf(stderr, "no rfile found.\n");
         return 1;
     }
 
@@ -48,32 +63,89 @@ int main(int argc, char **argv)
 
     while (getline(&line, &len, f) != -1) {
         line[strcspn(line, "\n")] = '\0';
-        printf("$ %s\n", line);
+        char *cmd = line;
 
-        wordexp(line, &p, 0);
+        while (isspace(*cmd))
+            cmd++;
 
-        pid_t pid = fork();
+        if (*cmd == '\0')
+            continue;
+        else if (cmd[0] == '#')
+            continue;
+        else if (strncmp(cmd, "@:", 2) == 0) {
+            for (size_t i = 0; i < strlen(cmd); i++)
+                printf("-");
+
+            printf("\n%s\n", cmd);
+
+            for (size_t i = 0; i < strlen(cmd); i++)
+                printf("-");
+
+            printf("\n\n");
+            continue;
+        }
+        else if (strcmp(cmd, "}") == 0 || strcmp(line, "}") == 0) {
+            in_section = false;
+
+            free(section);
+            section = NULL;
+
+            continue;
+        }
+
+        char *brace = strchr(cmd, '{');
+        if (brace) {
+            *brace = '\0';
+
+            size_t l = strlen(cmd);
+
+            while (l > 0 && (cmd[l-1] == ' ' || cmd[l-1] == '\t')) {
+                cmd[l-1] = '\0';
+                l--;
+            }
+
+            free(section);
+            section = strdup(cmd);
+            in_section = true;
 
+            continue;
+        }
+        
+        should_run = false;
+
+        if (argc == 1) {
+            should_run = !in_section;
+        }
+        else {
+            should_run = in_section &&
+                         section &&
+                         strcmp(argv[1], section) == 0;
+        }
+
+        if (!should_run)
+            continue;
+
+        printf("$ %s\n", cmd);
+
+        if (wordexp(cmd, &p, 0) != 0) {
+            fprintf(stderr, "wordexp failed\n");
+            continue;
+        }
+
+        pid_t pid = fork();
         if (pid == 0) {
             execvp(p.we_wordv[0], p.we_wordv);
 
             perror("failed to run command");
-            wordfree(&p);
-            free(line);
+
             fclose(f);
             _exit(1);
         }
-        else if (pid > 0) {
-            int status;
-            waitpid(pid, &status, 0);
-        }
-        else {
-            perror("fork failed");
-            return 1;
-        }
+
+        waitpid(pid, NULL, 0);
+        wordfree(&p);
     }
 
-    wordfree(&p);
     free(line);
     fclose(f);
     return 0;
@@ -82,8 +154,9 @@ int main(int argc, char **argv)
 void usage()
 {
     printf(
-        "< runfile usage >\n"
+        "runfile usage - version %d.%d.%d\n"
         "syn: rf [section]\n"
+        , RUNFILE_VER_MAJ, RUNFILE_VER_MIN, RUNFILE_VER_FIX
     );
 }