138 lines
3.3 KiB
C
138 lines
3.3 KiB
C
/*
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* Copyright (C) 2018 Karel Zak <kzak@redhat.com>
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*
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* This file may be redistributed under the terms of the
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* GNU Lesser General Public License.
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*/
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#include <stdlib.h>
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#include <unistd.h>
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#include <string.h>
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#include <errno.h>
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#include <sys/types.h>
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#include <sys/stat.h>
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#include <dirent.h>
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#include <getopt.h>
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#include "c.h"
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#include "nls.h"
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#include "strutils.h"
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#include "xalloc.h"
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#include "libsmartcols.h"
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enum { COL_NAME, COL_DATA };
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/* add columns to the @tb */
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static void setup_columns(struct libscols_table *tb)
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{
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if (!scols_table_new_column(tb, "NAME", 0, SCOLS_FL_TREE))
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goto fail;
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if (!scols_table_new_column(tb, "DATA", 0, 0))
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goto fail;
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return;
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fail:
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scols_unref_table(tb);
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err(EXIT_FAILURE, "failed to create output columns");
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}
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static struct libscols_line *add_line(struct libscols_table *tb, struct libscols_line *parent, const char *name, const char *data)
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{
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struct libscols_line *ln = scols_table_new_line(tb, parent);
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if (!ln)
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err(EXIT_FAILURE, "failed to create output line");
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if (scols_line_set_data(ln, COL_NAME, name))
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goto fail;
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if (scols_line_set_data(ln, COL_DATA, data))
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goto fail;
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return ln;
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fail:
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scols_unref_table(tb);
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err(EXIT_FAILURE, "failed to create output line");
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}
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int main(int argc, char *argv[])
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{
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struct libscols_table *tb;
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struct libscols_line *ln; /* any line */
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struct libscols_line *g1, *g2, *g3; /* groups */
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struct libscols_line *p1; /* parents */
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int c;
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static const struct option longopts[] = {
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{ "maxout", 0, NULL, 'm' },
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{ "width", 1, NULL, 'w' },
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{ "help", 1, NULL, 'h' },
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{ NULL, 0, NULL, 0 },
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};
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setlocale(LC_ALL, ""); /* just to have enable UTF8 chars */
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scols_init_debug(0);
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tb = scols_new_table();
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if (!tb)
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err(EXIT_FAILURE, "failed to create output table");
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while((c = getopt_long(argc, argv, "hmw:", longopts, NULL)) != -1) {
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switch(c) {
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case 'h':
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printf("%s [--help | --maxout | --width <num>]\n", program_invocation_short_name);
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break;
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case 'm':
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scols_table_enable_maxout(tb, TRUE);
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break;
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case 'w':
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scols_table_set_termforce(tb, SCOLS_TERMFORCE_ALWAYS);
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scols_table_set_termwidth(tb, strtou32_or_err(optarg, "failed to parse terminal width"));
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break;
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}
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}
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scols_table_enable_colors(tb, isatty(STDOUT_FILENO));
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setup_columns(tb);
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add_line(tb, NULL, "Alone", "bla bla bla");
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p1 = add_line(tb, NULL, "A", "bla bla bla");
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add_line(tb, p1, "A:B", "bla bla bla");
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add_line(tb, p1, "A:C", "bla bla bla");
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g1 = add_line(tb, NULL, "B", "bla bla bla");
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g2 = add_line(tb, NULL, "C", "bla bla bla");
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ln = add_line(tb, NULL, "D", "bla bla bla");
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scols_table_group_lines(tb, g2, ln, 0);
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ln = add_line(tb, NULL, "G2:A", "alb alb alb");
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scols_line_link_group(ln, g2, 0);
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ln = add_line(tb, NULL, "E", "bla bla bla");
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scols_table_group_lines(tb, g1, ln, 0);
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ln = add_line(tb, NULL, "G1:A", "alb alb alb");
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scols_line_link_group(ln, g1, 0);
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add_line(tb, NULL, "G", "bla bla bla");
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g3 = ln = add_line(tb, NULL, "G1:B", "alb alb alb");
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scols_line_link_group(ln, g1, 0);
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ln = add_line(tb, NULL, "F", "bla bla bla");
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scols_table_group_lines(tb, g3, ln, 0);
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ln = add_line(tb, NULL, "G3:A", "alb alb alb");
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scols_line_link_group(ln, g3, 0);
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add_line(tb, NULL, "foo", "bla bla bla");
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add_line(tb, NULL, "bar", "bla bla bla");
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scols_print_table(tb);
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scols_unref_table(tb);
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return EXIT_SUCCESS;
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}
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