[thirdparty/util-linux.git] / libsmartcols / samples / title.c

/*
 * Copyright (C) 2010-2014 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, 0))
		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 void add_line(struct libscols_table *tb, const char *name, const char *data)
{
	struct libscols_line *ln = scols_table_new_line(tb, NULL);
	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;
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_symbols *sy;
	struct libscols_cell *title;
	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, "foo", "bla bla bla");
	add_line(tb, "bar", "alb alb alb");

	title = scols_table_get_title(tb);

	/* right */
	scols_cell_set_data(title, "This is right title");
	scols_cell_set_color(title, "red");
	scols_cell_set_flags(title, SCOLS_CELL_FL_RIGHT);
	scols_print_table(tb);

	/* left without padding */
	scols_cell_set_data(title, "This is left title (without padding)");
	scols_cell_set_color(title, "yellow");
	scols_cell_set_flags(title, SCOLS_CELL_FL_LEFT);
	scols_print_table(tb);

	/* center */
	sy = scols_new_symbols();
	if (!sy)
		err_oom();
	scols_table_set_symbols(tb, sy);
	scols_unref_symbols(sy);

	scols_symbols_set_title_padding(sy, "=");
	scols_cell_set_data(title, "This is center title (with padding)");
	scols_cell_set_color(title, "green");
	scols_cell_set_flags(title, SCOLS_CELL_FL_CENTER);
	scols_print_table(tb);

	/* left with padding */
	scols_symbols_set_title_padding(sy, "-");
	scols_cell_set_data(title, "This is left title (with padding)");
	scols_cell_set_color(title, "blue");
	scols_cell_set_flags(title, SCOLS_CELL_FL_LEFT);
	scols_print_table(tb);


	scols_unref_table(tb);
	return EXIT_SUCCESS;
}
Commit	Line	Data
107ca34a KZ	1	/*
	2	* Copyright (C) 2010-2014 Karel Zak <kzak@redhat.com>
	3	*
	4	* This file may be redistributed under the terms of the
	5	* GNU Lesser General Public License.
	6	*/
	7	#include <stdlib.h>
	8	#include <unistd.h>
	9	#include <string.h>
	10	#include <errno.h>
	11	#include <sys/types.h>
	12	#include <sys/stat.h>
	13	#include <dirent.h>
	14	#include <getopt.h>
	15
	16	#include "c.h"
	17	#include "nls.h"
	18	#include "strutils.h"
	19	#include "xalloc.h"
	20
	21	#include "libsmartcols.h"
	22
	23
	24	enum { COL_NAME, COL_DATA };
	25
	26	/* add columns to the @tb */
	27	static void setup_columns(struct libscols_table *tb)
	28	{
	29	if (!scols_table_new_column(tb, "NAME", 0, 0))
	30	goto fail;
	31	if (!scols_table_new_column(tb, "DATA", 0, 0))
	32	goto fail;
	33	return;
	34	fail:
	35	scols_unref_table(tb);
9e930041	36	err(EXIT_FAILURE, "failed to create output columns");
107ca34a KZ	37	}
	38
	39	static void add_line(struct libscols_table tb, const char name, const char *data)
	40	{
	41	struct libscols_line *ln = scols_table_new_line(tb, NULL);
	42	if (!ln)
	43	err(EXIT_FAILURE, "failed to create output line");
	44
	45	if (scols_line_set_data(ln, COL_NAME, name))
	46	goto fail;
4a51e682	47	if (scols_line_set_data(ln, COL_DATA, data))
107ca34a KZ	48	goto fail;
	49	return;
	50	fail:
	51	scols_unref_table(tb);
9e930041	52	err(EXIT_FAILURE, "failed to create output line");
107ca34a KZ	53	}
	54
	55	int main(int argc, char *argv[])
	56	{
	57	struct libscols_table *tb;
	58	struct libscols_symbols *sy;
e865838d	59	struct libscols_cell *title;
36eb51eb KZ	60	int c;
	61
	62	static const struct option longopts[] = {
71f08e97 SK	63	{ "maxout", 0, NULL, 'm' },
71f08e97 SK	64	{ "width", 1, NULL, 'w' },
8aeda56b KZ	65	{ "help", 1, NULL, 'h' },
8aeda56b KZ	66
71f08e97	67	{ NULL, 0, NULL, 0 },
36eb51eb	68	};
107ca34a KZ	69
	70	setlocale(LC_ALL, ""); /* just to have enable UTF8 chars */
	71
	72	scols_init_debug(0);
	73
	74	tb = scols_new_table();
	75	if (!tb)
9e930041	76	err(EXIT_FAILURE, "failed to create output table");
107ca34a	77
8aeda56b	78	while((c = getopt_long(argc, argv, "hmw:", longopts, NULL)) != -1) {
36eb51eb	79	switch(c) {
8aeda56b KZ	80	case 'h':
	81	printf("%s [--help \| --maxout \| --width <num>]\n", program_invocation_short_name);
	82	break;
36eb51eb KZ	83	case 'm':
	84	scols_table_enable_maxout(tb, TRUE);
	85	break;
	86	case 'w':
	87	scols_table_set_termforce(tb, SCOLS_TERMFORCE_ALWAYS);
	88	scols_table_set_termwidth(tb, strtou32_or_err(optarg, "failed to parse terminal width"));
	89	break;
	90	}
	91	}
	92
066779c6	93	scols_table_enable_colors(tb, isatty(STDOUT_FILENO));
107ca34a KZ	94	setup_columns(tb);
	95	add_line(tb, "foo", "bla bla bla");
	96	add_line(tb, "bar", "alb alb alb");
	97
e865838d KZ	98	title = scols_table_get_title(tb);
e865838d KZ	99
107ca34a	100	/* right */
e865838d KZ	101	scols_cell_set_data(title, "This is right title");
	102	scols_cell_set_color(title, "red");
	103	scols_cell_set_flags(title, SCOLS_CELL_FL_RIGHT);
107ca34a KZ	104	scols_print_table(tb);
107ca34a KZ	105
8aeda56b KZ	106	/* left without padding */
	107	scols_cell_set_data(title, "This is left title (without padding)");
	108	scols_cell_set_color(title, "yellow");
	109	scols_cell_set_flags(title, SCOLS_CELL_FL_LEFT);
	110	scols_print_table(tb);
	111
107ca34a KZ	112	/* center */
	113	sy = scols_new_symbols();
	114	if (!sy)
	115	err_oom();
	116	scols_table_set_symbols(tb, sy);
d1bf0ce5	117	scols_unref_symbols(sy);
107ca34a KZ	118
107ca34a KZ	119	scols_symbols_set_title_padding(sy, "=");
e865838d KZ	120	scols_cell_set_data(title, "This is center title (with padding)");
	121	scols_cell_set_color(title, "green");
	122	scols_cell_set_flags(title, SCOLS_CELL_FL_CENTER);
107ca34a KZ	123	scols_print_table(tb);
107ca34a KZ	124
8aeda56b	125	/* left with padding */
107ca34a	126	scols_symbols_set_title_padding(sy, "-");
e865838d KZ	127	scols_cell_set_data(title, "This is left title (with padding)");
	128	scols_cell_set_color(title, "blue");
	129	scols_cell_set_flags(title, SCOLS_CELL_FL_LEFT);
107ca34a KZ	130	scols_print_table(tb);
107ca34a KZ	131
8aeda56b	132
107ca34a KZ	133	scols_unref_table(tb);
	134	return EXIT_SUCCESS;
	135	}