void do_get_string (struct tgl_state *TLS) {
deactivate_readline ();
generate_prompt (one_string_type, one_string_num);
printf ("%s", one_string_prompt);
fflush (stdout);
read_one_string = 1;
one_string_len = 0;
}
int vsh(int ac, char **av, char **env)
{
t_shell shell;
char *str;
(void)ac;
(void)av;
init_program(&shell, env);
while ((shell.flag & SH_EXIT) &&
(str = my_readline(&shell, generate_prompt())))
{
lexor_and_parsor(str, &shell);
main_execution(&shell);
}
exit_42sh(&shell);
return (EXIT_SUCCESS);
}
int main() {
//disable Ctrl+c
signal(SIGINT,&sigint_handler);
while (1) {
if (generate_prompt(prompt)<0) {
printf("Error in prompt generate!\n");
exit(1);
}
fputs(prompt,stdout);
if (fgets(cmd,CMD_MAX_LEN,stdin)==NULL) break;
/*cmd[strlen(cmd)-1]='\0';*/
background_job=0;
execute_cmd();
}
printf("exit\n");
return 0;
}
/**
* No need to explain this.
*
* @param argc Number of arguments.
* @param argv Arguments array.
* @return Return code.
*/
int main(int argc, char **argv) {
bool running = true;
char *script_file = NULL;
char *csv_file = NULL;
char *ctok = NULL;
gnuplot_ctrl *gp = gnuplot_init();
char prompt[64] = "> ";
if (argc == 2) {
if (argv[1][strlen(argv[1]) - 3] == '.' &&
argv[1][strlen(argv[1]) - 2] == 'p' &&
argv[1][strlen(argv[1]) - 1] == 'c') {
// Script file.
script_file = argv[1];
running = parse_script(script_file, ctok, &csv_file, gp, prompt);
} else {
// CSV file.
csv_file = argv[1];
generate_prompt(prompt, csv_file);
}
}
while (running) {
char *buffer = NULL;
buffer = readline(prompt);
if (buffer && *buffer) {
add_history(buffer);
ctok = strtok(buffer, " ");
} else {
continue;
}
running = parse_cmd_line(ctok, &csv_file, gp, prompt, false);
}
gnuplot_close(gp);
return EXIT_SUCCESS;
}
/**
* Parses a command.
*
* @param ctok Command string in strtok.
* @param csv_file CSV file location.
* @param gp gnuplot object.
* @return True if the program should continue running.
*/
bool parse_cmd_line(char *ctok, char **csv_file, gnuplot_ctrl *gp, char *prompt, bool quiet) {
// Command.
if (!strcmp(ctok, "quit") || !strcmp(ctok, "exit")) {
return false;
} else if (!strcmp(ctok, "legend")) {
// Toogle legend.
if (!strcmp(strtok(NULL, " "), "off")) {
gnuplot_cmd(gp, "set key off");
if (!quiet) {
printf("Legend turned off.\n");
}
} else {
gnuplot_cmd(gp, "set key on");
if (!quiet) {
printf("Legend turned on.\n");
}
}
} else if (!strcmp(ctok, "xlabel") || !strcmp(ctok, "ylabel")) {
// Set xy label.
char arg[64] = "";
char xy = ctok[0];
parse_spaced_arg(arg, ctok);
if (!quiet) {
printf("%clabel set to \"%s\"\n", xy, arg);
}
switch (xy) {
case 'x':
gnuplot_set_xlabel(gp, arg);
break;
case 'y':
gnuplot_set_ylabel(gp, arg);
}
} else if (!strcmp(ctok, "plot")) {
// Plot data.
char lg_title[64] = "";
uint8_t col = atoi(strtok(NULL, " "));
double *items = NULL;
unsigned int n = 0;
parse_spaced_arg(lg_title, ctok);
n = read_csv_col(&items, *csv_file, col);
gnuplot_setstyle(gp, "lines");
gnuplot_plot_x(gp, items, n, lg_title);
} else if (!strcmp(ctok, "gp")) {
// Execute raw gnuplot command.
char gp_cmd[1024] = "";
parse_spaced_arg(gp_cmd, ctok);
gnuplot_cmd(gp, gp_cmd);
} else if (!strcmp(ctok, "load")) {
// Load CSV.
char filename[2048] = "";
parse_spaced_arg(filename, ctok);
*csv_file = malloc(strlen(filename) + 1);
strcpy(*csv_file, filename);
generate_prompt(prompt, *csv_file);
} else {
printf("Invalid command: %s\n", ctok);
}
return true;
}
