summaryrefslogtreecommitdiffstats
path: root/libsmartcols/samples/title.c
blob: 131400da45af508397b13a11383365b3ce1d7037 (plain) (blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
/*
 * 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;
}