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/*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public
* License v2 as published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*
* You should have received a copy of the GNU General Public
* License along with this program; if not, write to the
* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
* Boston, MA 021110-1307, USA.
*/
#include <stdlib.h>
#include <string.h>
#include <stdio.h>
#include <stdarg.h>
#include "common/messages.h"
#include "common/string-table.h"
#include "common/internal.h"
/*
* Create an array of char* which will point to table cell strings
*/
struct string_table *table_create(unsigned int columns, unsigned int rows)
{
struct string_table *tab;
size_t size;
size = sizeof(struct string_table) + rows * columns * sizeof(char*);
tab = calloc(1, size);
if (!tab)
return NULL;
tab->ncols = columns;
tab->nrows = rows;
tab->spacing = STRING_TABLE_SPACING_1;
return tab;
}
/*
* This is like a vprintf, but stores the results in a cell of the table.
*/
__attribute__ ((format (printf, 4, 0)))
char *table_vprintf(struct string_table *tab, unsigned int column, unsigned int row,
const char *fmt, va_list ap)
{
unsigned int idx = tab->ncols * row + column;
char *msg = calloc(100, 1);
if (!msg)
return NULL;
if (column >= tab->ncols || row >= tab->nrows) {
error("attempt to write outside of table: col %u row %u fmt %s",
column, row, fmt);
return NULL;
}
if (tab->cells[idx])
free(tab->cells[idx]);
tab->cells[idx] = msg;
vsnprintf(msg, 99, fmt, ap);
return msg;
}
/*
* This is like a printf, but stores the results in a cell of the table.
*/
__attribute__ ((format (printf, 4, 5)))
char *table_printf(struct string_table *tab, unsigned int column, unsigned int row,
const char *fmt, ...)
{
va_list ap;
char *ret;
va_start(ap, fmt);
ret = table_vprintf(tab, column, row, fmt, ap);
va_end(ap);
return ret;
}
/*
* Print the table to stdout, interpret the alignment and expand specifiers.
* @from: row from which to start
* @to: upper row limit (not inclusive), 0 for the whole table
*
* Formatting:
* <TEXT - the TEXT is left aligned
* >TEXT - the TEXT is right aligned
* = - the cell text will be filled by ===== (column width)
* *C - the cell text will be filled by character C (column width)
*/
void table_dump_range(struct string_table *tab, unsigned int from, unsigned int to)
{
unsigned int sizes[tab->ncols];
unsigned int i, j;
unsigned int prescan;
if (to == 0)
to = tab->nrows;
if (from > to) {
error("invalid range for table dump %u > %u", from, to);
return;
}
prescan = max_t(unsigned int, 100, to);
prescan = min_t(unsigned int, tab->nrows, prescan);
for (i = 0; i < tab->ncols; i++) {
sizes[i] = 0;
for (j = 0; j < prescan; j++) {
int idx = i + j * tab->ncols;
int len;
if (!tab->cells[idx])
continue;
len = strlen(tab->cells[idx]) - 1;
if (len == 0 || tab->cells[idx][0] == '*')
continue;
if (len > sizes[i])
sizes[i] = len;
}
}
for (j = from; j < to; j++) {
for (i = 0; i < tab->ncols; i++) {
int idx = i + j * tab->ncols;
char *cell = tab->cells[idx];
if (!cell || !strlen(cell)) {
printf("%*s", sizes[i], "");
} else if (cell && cell[0] == '*' && cell[1]) {
int k = sizes[i];
while (k--)
putchar(cell[1]);
} else {
printf("%*s",
cell[0] == '<' ? -sizes[i] : sizes[i],
cell + 1);
}
if (i != (tab->ncols - 1)) {
putchar(' ');
if (tab->spacing == STRING_TABLE_SPACING_2)
putchar(' ');
}
}
putchar('\n');
}
}
/*
* Deallocate a table and all of its content
*/
void table_free(struct string_table *tab)
{
unsigned int i, count;
count = tab->ncols * tab->nrows;
for (i = 0; i < count; i++)
if (tab->cells[i])
free(tab->cells[i]);
free(tab);
}
void table_clear_range(struct string_table *tab, unsigned int from, unsigned int to)
{
unsigned int row, col;
if (to == 0)
to = tab->nrows;
for (row = from; row < to; row++) {
char **rowstart = &tab->cells[row * tab->ncols];
for (col = 0; col < tab->ncols; col++) {
free(rowstart[col]);
rowstart[col] = NULL;
}
}
}
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