/** Displays the list in table format
*
* @param title the tables title
* @param header the column headers. column count is determined by the nr
* of headers
* @param rows the rows to display as a list of lists of strings. the outer
* list represents the rows, the inner list the cells (= columns)
* @param cols the number of columns available in the terminal
* @return -1 if not enough terminal cols available, else 0
*/
static int table_display(const alpm_list_t *header,
const alpm_list_t *rows, unsigned short cols)
{
const unsigned short padding = 2;
const alpm_list_t *i, *first;
size_t *widths = NULL, totalcols, totalwidth;
int *has_data = NULL;
if(rows == NULL) {
return 0;
}
/* we want the first row. if no headers are provided, use the first
* entry of the rows array. */
first = header ? header : rows->data;
totalcols = alpm_list_count(first);
totalwidth = table_calc_widths(first, rows, padding, totalcols,
&widths, &has_data);
/* return -1 if terminal is not wide enough */
if(totalwidth > cols) {
pm_printf(ALPM_LOG_WARNING,
_("insufficient columns available for table display\n"));
return -1;
}
if(!totalwidth || !widths || !has_data) {
return -1;
}
if (header) {
table_print_line(header, padding, totalcols, widths, has_data);
printf("\n");
}
for(i = rows; i; i = alpm_list_next(i)) {
table_print_line(i->data, padding, totalcols, widths, has_data);
}
free(widths);
free(has_data);
return 0;
}
/** Displays the list in table format
*
* @param title the tables title
* @param header the column headers. column count is determined by the nr
* of headers
* @param rows the rows to display as a list of lists of strings. the outer
* list represents the rows, the inner list the cells (= columns)
* @param cols the number of columns available in the terminal
* @return -1 if not enough terminal cols available, else 0
*/
static int table_display(const char *title, const alpm_list_t *header,
const alpm_list_t *rows, unsigned short cols)
{
const unsigned short padding = 2;
const alpm_list_t *i;
size_t *widths = NULL, totalcols, totalwidth;
int *has_data = NULL;
if(rows == NULL || header == NULL) {
return 0;
}
totalcols = alpm_list_count(header);
totalwidth = table_calc_widths(header, rows, padding, totalcols,
&widths, &has_data);
/* return -1 if terminal is not wide enough */
if(totalwidth > cols) {
pm_printf(ALPM_LOG_WARNING,
_("insufficient columns available for table display\n"));
return -1;
}
if(!totalwidth || !widths || !has_data) {
return -1;
}
if(title != NULL) {
printf("%s\n\n", title);
}
table_print_line(header, padding, totalcols, widths, has_data);
printf("\n");
for(i = rows; i; i = alpm_list_next(i)) {
table_print_line(i->data, padding, totalcols, widths, has_data);
}
free(widths);
free(has_data);
return 0;
}
