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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 14:30:35 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 14:30:35 +0000 |
commit | 378c18e5f024ac5a8aef4cb40d7c9aa9633d144c (patch) | |
tree | 44dfb6ca500d32cabd450649b322a42e70a30683 /libsmartcols/samples/wrap.c | |
parent | Initial commit. (diff) | |
download | util-linux-upstream.tar.xz util-linux-upstream.zip |
Adding upstream version 2.38.1.upstream/2.38.1upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to '')
-rw-r--r-- | libsmartcols/samples/wrap.c | 111 |
1 files changed, 111 insertions, 0 deletions
diff --git a/libsmartcols/samples/wrap.c b/libsmartcols/samples/wrap.c new file mode 100644 index 0000000..795bef7 --- /dev/null +++ b/libsmartcols/samples/wrap.c @@ -0,0 +1,111 @@ +/* + * 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_DESC, COL_FOO, COL_LIKE, COL_TEXT }; + +/* 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, "DESC", 0, 0)) + goto fail; + if (!scols_table_new_column(tb, "FOO", 0, SCOLS_FL_WRAP)) + goto fail; + if (!scols_table_new_column(tb, "LIKE", 0, SCOLS_FL_RIGHT)) + goto fail; + if (!scols_table_new_column(tb, "TEXT", 0, SCOLS_FL_WRAP)) + goto fail; + return; +fail: + scols_unref_table(tb); + err(EXIT_FAILURE, "failed to create output columns"); +} + +static char *gen_text(const char *prefix, const char *sub_prefix, char *buf, size_t sz) +{ + int x = snprintf(buf, sz, "%s-%s-", prefix, sub_prefix); + + for ( ; (size_t)x < sz - 1; x++) + buf[x] = *prefix; + + buf[x++] = 'x'; + buf[x] = '\0'; + return buf; +} + +static struct libscols_line * add_line( struct libscols_table *tb, + struct libscols_line *parent, + const char *prefix) +{ + char buf[BUFSIZ]; + 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, gen_text(prefix, "N", buf, 15))) + goto fail; + if (scols_line_set_data(ln, COL_DESC, gen_text(prefix, "D", buf, 10))) + goto fail; + if (scols_line_set_data(ln, COL_FOO, gen_text(prefix, "U", buf, 55))) + goto fail; + if (scols_line_set_data(ln, COL_LIKE, "1")) + goto fail; + if (scols_line_set_data(ln, COL_TEXT, gen_text(prefix, "T", buf, 50))) + 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, *xln; + + 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"); + + scols_table_enable_colors(tb, isatty(STDOUT_FILENO)); + setup_columns(tb); + + ln = add_line(tb, NULL, "A"); + add_line(tb, ln, "aa"); + add_line(tb, ln, "ab"); + + ln = add_line(tb, NULL, "B"); + xln = add_line(tb, ln, "ba"); + add_line(tb, xln, "baa"); + add_line(tb, xln, "bab"); + add_line(tb, ln, "bb"); + + scols_print_table(tb); + scols_unref_table(tb); + return EXIT_SUCCESS; +} |