diff options
Diffstat (limited to '')
| -rw-r--r-- | libsmartcols/samples/grouping-simple.c | 155 |
1 files changed, 155 insertions, 0 deletions
diff --git a/libsmartcols/samples/grouping-simple.c b/libsmartcols/samples/grouping-simple.c new file mode 100644 index 0000000..6b9cbcf --- /dev/null +++ b/libsmartcols/samples/grouping-simple.c @@ -0,0 +1,155 @@ +/* + * 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) +{ + struct libscols_column *cl; + + if (!scols_table_new_column(tb, "NAME", 0, SCOLS_FL_TREE)) + goto fail; + cl = scols_table_new_column(tb, "DATA", 0, SCOLS_FL_WRAP); + if (!cl) + goto fail; + + scols_column_set_wrapfunc(cl, scols_wrapnl_chunksize, + scols_wrapnl_nextchunk, + NULL); + scols_column_set_safechars(cl, "\n"); + + 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; /* groups */ + struct libscols_line *p1, *p2; /* 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"); + add_line(tb, NULL, "C", "bla\nfoo"); + p1 = add_line(tb, NULL, "D", "bla bla\nbar"); + + p2 = add_line(tb, p1, "D:A", "bla bla bla"); + + ln = add_line(tb, p2, "D:A:A", "bla\nbla\nbla"); + scols_table_group_lines(tb, g1, ln, 0); + + add_line(tb, p1, "D:B", "bla bla bla"); + add_line(tb, p1, "D:C", "bla\nother bla"); + add_line(tb, p1, "D:D", "bla bla bla"); + + ln = add_line(tb, NULL, "E", "bla bla bla"); + scols_table_group_lines(tb, g1, ln, 0); + + p1 = ln; + add_line(tb, p1, "E:A", "bla bla bla"); + add_line(tb, p1, "E:B", "bla bla bla"); + add_line(tb, p1, "E:C", "bla bla bla"); + + add_line(tb, NULL, "F", "bla bla bla"); + + ln = add_line(tb, NULL, "G1:A", "alb alb alb"); + scols_line_link_group(ln, g1, 0); + + p1 = ln; + add_line(tb, p1, "G1:A:A", "bla\nbla bla"); + add_line(tb, p1, "G1:A:B", "bla bla bla"); + add_line(tb, p1, "G1:A:C", "bla bla bla"); + + add_line(tb, NULL, "G", "bla bla bla"); + + ln = add_line(tb, NULL, "G1:B", "alb alb\nalb"); + scols_line_link_group(ln, g1, 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; +} |