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Diffstat (limited to '')
-rw-r--r-- | libsmartcols/samples/title.c | 135 |
1 files changed, 135 insertions, 0 deletions
diff --git a/libsmartcols/samples/title.c b/libsmartcols/samples/title.c new file mode 100644 index 0000000..131400d --- /dev/null +++ b/libsmartcols/samples/title.c @@ -0,0 +1,135 @@ +/* + * 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; +} |