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Diffstat (limited to '')
-rw-r--r-- | libsmartcols/samples/colors.c | 125 |
1 files changed, 125 insertions, 0 deletions
diff --git a/libsmartcols/samples/colors.c b/libsmartcols/samples/colors.c new file mode 100644 index 0000000..0e9ab66 --- /dev/null +++ b/libsmartcols/samples/colors.c @@ -0,0 +1,125 @@ +/* + * 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_FOO, COL_BAR }; + +/* 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, "BAR", 0, 0)) + goto fail; + if (!scols_table_new_column(tb, "FOO", 0, 0)) + goto fail; + return; +fail: + scols_unref_table(tb); + err(EXIT_FAILURE, "failed to create output columns"); +} + +static struct libscols_line *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_FOO, data)) + goto fail; + if (scols_line_set_data(ln, COL_BAR, 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_column *cl; + struct libscols_line *ln; + struct libscols_cell *ce; + 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, "AAA", "bla bla bla"); + add_line(tb, "BB", "b"); + add_line(tb, "CCCC", "fooo"); + add_line(tb, "D", "baaar"); + add_line(tb, "EE", "eee"); + + cl = scols_table_get_column(tb, 1); + scols_column_set_color(cl, "red"); /* red column */ + + cl = scols_table_get_column(tb, 2); + scols_column_set_color(cl, "reverse"); /* reverse column */ + + ln = scols_table_get_line(tb, 0); + scols_line_set_color(ln, "\033[37;41m"); /* line with red bg */ + ce = scols_line_get_cell(ln, 0); + scols_cell_set_color(ce, "\033[37;45m"); /* cell with purple bg */ + + ln = scols_table_get_line(tb, 3); + scols_line_set_color(ln, "\033[37;41m"); /* line with red bg */ + ce = scols_line_get_cell(ln, 2); + scols_cell_set_color(ce, "\033[37;44m"); /* cell with blue bg */ + + scols_print_table(tb); + scols_unref_table(tb); + return EXIT_SUCCESS; +} |