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/* SPDX-License-Identifier: GPL-2.0-or-later */
#ifndef _TABLE_H_
#define _TABLE_H_
#include <stdbool.h>
enum fmt_type {
FMT_STRING,
FMT_INT,
FMT_UNSIGNED,
FMT_LONG,
FMT_UNSIGNED_LONG,
};
enum alignment {
RIGHT,
LEFT,
CENTERED
};
struct value {
union {
char *s;
int i;
unsigned int u;
long ld;
unsigned long lu;
};
enum alignment align;
enum fmt_type type;
};
struct table_row {
struct value *val;
};
struct table_column {
char *name;
enum alignment align;
int width; /* auto populated */
};
struct table {
struct table_column *columns;
int num_columns;
struct table_row *rows;
int num_rows;
};
static inline int table_set_value_str(struct table *t, int col, int row,
const char *str, enum alignment align)
{
struct table_row *r;
struct value *v;
char *s;
if (col >= t->num_columns || row >= t->num_rows)
return -EINVAL;
s = strdup(str);
if (!s)
return -ENOMEM;
r = &t->rows[row];
v = &r->val[col];
v->s = s;
v->align = align;
v->type = FMT_STRING;
return 0;
}
static inline int table_set_value_int(struct table *t, int col, int row,
int i, enum alignment align)
{
struct table_row *r;
struct value *v;
if (col >= t->num_columns || row >= t->num_rows)
return -EINVAL;
r = &t->rows[row];
v = &r->val[col];
v->i = i;
v->align = align;
v->type = FMT_INT;
return 0;
}
static inline int table_set_value_unsigned(struct table *t, int col, int row,
int u, enum alignment align)
{
struct table_row *r;
struct value *v;
if (col >= t->num_columns || row >= t->num_rows)
return -EINVAL;
r = &t->rows[row];
v = &r->val[col];
v->u = u;
v->align = align;
v->type = FMT_UNSIGNED;
return 0;
}
static inline int table_set_value_long(struct table *t, int col, int row,
long ld, enum alignment align)
{
struct table_row *r;
struct value *v;
if (col >= t->num_columns || row >= t->num_rows)
return -EINVAL;
r = &t->rows[row];
v = &r->val[col];
v->ld = ld;
v->align = align;
v->type = FMT_LONG;
return 0;
}
static inline void table_set_value_unsigned_long(struct table *t, int col,
int row, long lu, enum alignment align)
{
struct table_row *r = &t->rows[row];
struct value *v = &r->val[col];
v->lu = lu;
v->align = align;
v->type = FMT_UNSIGNED_LONG;
}
struct table *table_create(void);
int table_add_columns(struct table *t, struct table_column *c, int num_columns);
int table_add_columns_filter(struct table *t, struct table_column *c,
int num_columns,
bool (*filter)(const char *name, void *arg),
void *arg);
int table_get_row_id(struct table *t);
void table_add_row(struct table *t, int row);
void table_print(struct table *t);
void table_free(struct table *t);
/**
* table_init_with_columns() - Allocate a table instance with column definitions
* @c: Column definitions
* @num_columns:Number of columns
*
* This is a function combined table_create() and table_add_columns().
*
* Return: The table instance, or NULL if unsuccessful. If allocated, the caller
* is responsible to free the table.
*/
struct table *table_init_with_columns(struct table_column *c, int num_columns);
#endif /* _TABLE_H_ */
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