feat(main_loop): Wrote the base of the main entrypoint. Implemented a helper which converts the args options to iob_context

src/io_backend/io_backend.c

@@ -2,6 +2,8 @@
 
 #include <stdio.h>
 
+#include "utils/args/args.h"
+
 static struct iob_context context;
 static FILE *input;
 
@@ -33,3 +35,28 @@ int iob_init(struct iob_context *ctx)
         return -1;
     }
 }
+
+int iob_config_from_args(struct args_options *args, struct iob_context *ctx)
+{
+    switch (args->type)
+    {
+    case INPUT_STDIN:
+        ctx->mode = IOB_MODE_STDIN;
+        ctx->args = NULL;
+        break;
+
+    case INPUT_FILE:
+        ctx->mode = IOB_MODE_SCRIPT;
+        ctx->args = (char *)args->input_source;
+        break;
+
+    case INPUT_CMD:
+        ctx->mode = IOB_MODE_CMD;
+        ctx->args = NULL;
+        break;
+
+    default:
+        return -1;
+    }
+    return 0;
+}