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table: Add --max-column-width option.

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This can make it easier to read tables that contain wide data in some
columns.

Signed-off-by: Ben Pfaff <blp@ovn.org>
Acked-by: Justin Pettit <jpettit@ovn.org>
This commit is contained in:
Ben Pfaff
2017-12-13 15:04:48 -08:00
parent bc7bcc408e
commit 80f66ee041
5 changed files with 40 additions and 14 deletions
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13
lib/table.h
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@@ -78,21 +78,24 @@ struct table_style {
enum cell_format cell_format; /* CF_*. */
bool headings; /* Include headings? */
int json_flags; /* CF_JSON: Flags for json_to_string(). */
int max_column_width; /* CF_STRING: Limit for column width. */
};
#define TABLE_STYLE_DEFAULT { TF_LIST, CF_STRING, true, JSSF_SORT }
#define TABLE_STYLE_DEFAULT { TF_LIST, CF_STRING, true, JSSF_SORT, 0 }
#define TABLE_OPTION_ENUMS \
OPT_NO_HEADINGS, \
OPT_PRETTY, \
OPT_BARE
OPT_BARE, \
OPT_MAX_COLUMN_WIDTH
#define TABLE_LONG_OPTIONS \
{"format", required_argument, NULL, 'f'}, \
{"data", required_argument, NULL, 'd'}, \
{"no-headings", no_argument, NULL, OPT_NO_HEADINGS}, \
{"pretty", no_argument, NULL, OPT_PRETTY}, \
{"bare", no_argument, NULL, OPT_BARE}
{"bare", no_argument, NULL, OPT_BARE}, \
{"max-column-width", required_argument, NULL, OPT_MAX_COLUMN_WIDTH}
#define TABLE_OPTION_HANDLERS(STYLE) \
case 'f': \
@@ -115,6 +118,10 @@ struct table_style {
(STYLE)->format = TF_LIST; \
(STYLE)->cell_format = CF_BARE; \
(STYLE)->headings = false; \
break; \
\
case OPT_MAX_COLUMN_WIDTH: \
(STYLE)->max_column_width = atoi(optarg); \
break;
void table_parse_format(struct table_style *, const char *format);