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/*
* Prints table or tree. See lib/table.c for more details and example.
*
* Copyright (C) 2010 Karel Zak <kzak@redhat.com>
*
* This file may be redistributed under the terms of the
* GNU Lesser General Public License.
*/
#ifndef UTIL_LINUX_TT_H
#define UTIL_LINUX_TT_H
#include "list.h"
enum {
/*
* Global flags
*/
TT_FL_RAW = (1 << 1),
TT_FL_ASCII = (1 << 2),
TT_FL_NOHEADINGS = (1 << 3),
TT_FL_EXPORT = (1 << 4),
/*
* Column flags
*/
TT_FL_TRUNC = (1 << 5), /* truncate fields data if necessary */
TT_FL_TREE = (1 << 6), /* use tree "ascii art" */
TT_FL_RIGHT = (1 << 7), /* align to the right */
TT_FL_STRICTWIDTH = (1 << 8), /* don't reduce width if column is empty */
TT_FL_NOEXTREMES = (1 << 9) /* ignore extreme fields when count column width*/
};
struct tt {
size_t ncols; /* number of columns */
size_t termwidth; /* terminal width */
int is_term; /* is a tty? */
int flags;
int first_run;
struct list_head tb_columns;
struct list_head tb_lines;
const struct tt_symbols *symbols;
};
struct tt_column {
const char *name; /* header */
size_t seqnum;
size_t width; /* real column width */
size_t width_min; /* minimal width (usually header width) */
size_t width_max; /* maximal width */
size_t width_avg; /* average width, used to detect extreme fields */
double width_hint; /* hint (N < 1 is in percent of termwidth) */
int flags;
int is_extreme;
struct list_head cl_columns;
};
struct tt_line {
struct tt *table;
char const **data;
void *userdata;
size_t data_sz; /* strlen of all data */
struct list_head ln_lines; /* table lines */
struct list_head ln_branch; /* begin of branch (head of ln_children) */
struct list_head ln_children;
struct tt_line *parent;
};
extern struct tt *tt_new_table(int flags);
extern void tt_free_table(struct tt *tb);
extern void tt_remove_lines(struct tt *tb);
extern int tt_print_table(struct tt *tb);
extern struct tt_column *tt_define_column(struct tt *tb, const char *name,
double whint, int flags);
extern struct tt_column *tt_get_column(struct tt *tb, size_t colnum);
extern struct tt_line *tt_add_line(struct tt *tb, struct tt_line *parent);
extern int tt_line_set_data(struct tt_line *ln, int colnum, const char *data);
extern int tt_line_set_userdata(struct tt_line *ln, void *data);
extern void tt_fputs_quoted(const char *data, FILE *out);
extern void tt_fputs_nonblank(const char *data, FILE *out);
#endif /* UTIL_LINUX_TT_H */
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