static int parse_column_data(FILE *f, struct libscols_table *tb, int col)
{
size_t len = 0, nlines = 0;
int i;
char *str = NULL;
while ((i = getline(&str, &len, f)) != -1) {
struct libscols_line *ln;
char *p = strrchr(str, '\n');
if (p)
*p = '\0';
while ((p = strrchr(str, '\\')) && *(p + 1) == 'n') {
*p = '\n';
memmove(p + 1, p + 2, i - (p + 2 - str));
}
ln = scols_table_get_line(tb, nlines++);
if (!ln)
break;
scols_line_set_data(ln, col, str);
}
free(str);
return 0;
}
int main(int argc, char *argv[])
{
struct libscols_table *tb;
int c, notree = 0, nstart = -1, nend = -1;
static const struct option longopts[] = {
{ "ascii", 0, 0, 'i' },
{ "csv", 0, 0, 'c' },
{ "list", 0, 0, 'l' },
{ "noheadings", 0, 0, 'n' },
{ "pairs", 0, 0, 'p' },
{ "json", 0, 0, 'J' },
{ "raw", 0, 0, 'r' },
{ "range-start",1, 0, 'S' },
{ "range-end", 1, 0, 'E' },
{ NULL, 0, 0, 0 },
};
setlocale(LC_ALL, ""); /* just to have enable UTF8 chars */
scols_init_debug(0);
tb = scols_new_table();
if (!tb)
err(EXIT_FAILURE, "failed to create output table");
while((c = getopt_long(argc, argv, "ciJlnprS:E:", longopts, NULL)) != -1) {
switch(c) {
case 'c':
scols_table_set_column_separator(tb, ",");
scols_table_enable_raw(tb, 1);
notree = 1;
break;
case 'i':
scols_table_enable_ascii(tb, 1);
break;
case 'J':
scols_table_set_name(tb, "scolstest");
scols_table_enable_json(tb, 1);
break;
case 'l':
notree = 1;
break;
case 'n':
scols_table_enable_noheadings(tb, 1);
break;
case 'p':
scols_table_enable_export(tb, 1);
notree = 1;
break;
case 'r':
scols_table_enable_raw(tb, 1);
notree = 1;
break;
case 'S':
nstart = strtos32_or_err(optarg, "failed to parse range start") - 1;
break;
case 'E':
nend = strtos32_or_err(optarg, "failed to parse range end") - 1;
break;
default:
usage(stderr);
}
}
scols_table_enable_colors(tb, 1);
setup_columns(tb, notree);
if (optind == argc)
add_lines(tb, ".");
else while (optind < argc)
add_lines(tb, argv[optind++]);
if (nstart >= 0 || nend >= 0) {
/* print subset */
struct libscols_line *start = NULL, *end = NULL;
if (nstart >= 0)
start = scols_table_get_line(tb, nstart);
if (nend >= 0)
end = scols_table_get_line(tb, nend);
if (start || end)
scols_table_print_range(tb, start, end);
} else
/* print all table */
scols_print_table(tb);
scols_unref_table(tb);
return EXIT_SUCCESS;
}
