blob: ef125a660c7c8d2f0d6aa4ceca49d6a220e82d3c [file] [log] [blame]
/*
* Copyright (C) 2018 Karel Zak <kzak@redhat.com>
*
* This file may be redistributed under the terms of the
* GNU Lesser General Public License.
*/
#include <stdlib.h>
#include <unistd.h>
#include <string.h>
#include <errno.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <dirent.h>
#include <getopt.h>
#include "c.h"
#include "nls.h"
#include "strutils.h"
#include "xalloc.h"
#include "libsmartcols.h"
enum { COL_NAME, COL_DATA };
/* add columns to the @tb */
static void setup_columns(struct libscols_table *tb)
{
if (!scols_table_new_column(tb, "NAME", 0, SCOLS_FL_TREE))
goto fail;
if (!scols_table_new_column(tb, "DATA", 0, 0))
goto fail;
return;
fail:
scols_unref_table(tb);
err(EXIT_FAILURE, "failed to create output columns");
}
static struct libscols_line *add_line(struct libscols_table *tb, struct libscols_line *parent, const char *name, const char *data)
{
struct libscols_line *ln = scols_table_new_line(tb, parent);
if (!ln)
err(EXIT_FAILURE, "failed to create output line");
if (scols_line_set_data(ln, COL_NAME, name))
goto fail;
if (scols_line_set_data(ln, COL_DATA, data))
goto fail;
return ln;
fail:
scols_unref_table(tb);
err(EXIT_FAILURE, "failed to create output line");
}
int main(int argc, char *argv[])
{
struct libscols_table *tb;
struct libscols_line *ln; /* any line */
struct libscols_line *g1, *g2, *g3; /* groups */
struct libscols_line *p1; /* parents */
int c;
static const struct option longopts[] = {
{ "maxout", 0, NULL, 'm' },
{ "width", 1, NULL, 'w' },
{ "help", 1, NULL, 'h' },
{ NULL, 0, NULL, 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, "hmw:", longopts, NULL)) != -1) {
switch(c) {
case 'h':
printf("%s [--help | --maxout | --width <num>]\n", program_invocation_short_name);
break;
case 'm':
scols_table_enable_maxout(tb, TRUE);
break;
case 'w':
scols_table_set_termforce(tb, SCOLS_TERMFORCE_ALWAYS);
scols_table_set_termwidth(tb, strtou32_or_err(optarg, "failed to parse terminal width"));
break;
}
}
scols_table_enable_colors(tb, isatty(STDOUT_FILENO));
setup_columns(tb);
add_line(tb, NULL, "Alone", "bla bla bla");
p1 = add_line(tb, NULL, "A", "bla bla bla");
add_line(tb, p1, "A:B", "bla bla bla");
add_line(tb, p1, "A:C", "bla bla bla");
g1 = add_line(tb, NULL, "B", "bla bla bla");
g2 = add_line(tb, NULL, "C", "bla bla bla");
ln = add_line(tb, NULL, "D", "bla bla bla");
scols_table_group_lines(tb, g2, ln, 0);
ln = add_line(tb, NULL, "G2:A", "alb alb alb");
scols_line_link_group(ln, g2, 0);
ln = add_line(tb, NULL, "E", "bla bla bla");
scols_table_group_lines(tb, g1, ln, 0);
ln = add_line(tb, NULL, "G1:A", "alb alb alb");
scols_line_link_group(ln, g1, 0);
add_line(tb, NULL, "G", "bla bla bla");
g3 = ln = add_line(tb, NULL, "G1:B", "alb alb alb");
scols_line_link_group(ln, g1, 0);
ln = add_line(tb, NULL, "F", "bla bla bla");
scols_table_group_lines(tb, g3, ln, 0);
ln = add_line(tb, NULL, "G3:A", "alb alb alb");
scols_line_link_group(ln, g3, 0);
add_line(tb, NULL, "foo", "bla bla bla");
add_line(tb, NULL, "bar", "bla bla bla");
scols_print_table(tb);
scols_unref_table(tb);
return EXIT_SUCCESS;
}