/*
	SlideScript - minimalistic top-down scripting language.
	(C) Copyright 2014-2021 Chris Dorman - some rights reserved (GPLv2)

	View README file supplied with this software for more details
*/

#include "deps.h"
#include "util.h"
#include "functions.h"

int main(int argc, char **argv) 
{
	FILE* script;
	char script_line[MAX_STRING_BUFSIZE];
    /* If your script lines are over 2KB, stop programming */

    if (argc == 1)
    {
        script = stdin;
    }
    else
    {
        parse_args (argc, argv);
        script = fopen (argv [1], "r");
	}
	
	/* check if config opens successfully */
	if(script == NULL) {
		printf("Error: failed to open %s.\n", argv[1]);
		exit(EXIT_FAILURE);
	}
		
	/* Run while loop if file is empty. */
	if(script != NULL) 
	{
		/* parse each line from the script in order. */
		while(fgets(script_line, sizeof(script_line), script) != NULL) 
		{
            char *return_dat;
			return_dat = process_line(script_line);
            if(return_dat == NULL) continue;
            // If return is not null, provide the return
            printf("%s\n", return_dat);
		} /* end of while */
	} /* file null */
		
    if (argc != 1 ) fclose(script);
	exit(EXIT_SUCCESS);
}