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mirror of https://github.com/moparisthebest/pacman synced 2024-12-23 16:28:50 -05:00

pacman/sync: implement interactive group selection

Signed-off-by: Xavier Chantry <chantry.xavier@gmail.com>
This commit is contained in:
Xavier Chantry 2010-10-17 17:09:25 +02:00
parent 2a90dbe3a8
commit 00fec5e250
3 changed files with 110 additions and 2 deletions

View File

@ -636,9 +636,8 @@ static int process_group(alpm_list_t *dbs, char *group)
printf(_(":: There are %d members in group %s:\n"), count, printf(_(":: There are %d members in group %s:\n"), count,
group); group);
select_display(pkgs); select_display(pkgs);
select_question(count);
char *array = malloc(count); char *array = malloc(count);
memset(array, 1, count); multiselect_question(array, count);
int n = 0; int n = 0;
for(i = pkgs; i; i = alpm_list_next(i)) { for(i = pkgs; i; i = alpm_list_next(i)) {
if(array[n++] == 0) if(array[n++] == 0)

View File

@ -694,6 +694,114 @@ void select_display(const alpm_list_t *pkglist)
FREELIST(list); FREELIST(list);
} }
static int parseindex(char *s, int *val, int min, int max)
{
char *endptr = NULL;
int n = strtol(s, &endptr, 10);
if(*endptr == '\0') {
if(n < min || n > max) {
fprintf(stderr, _("Invalid value: %d is not between %d and %d\n"),
n, min, max);
return(-1);
}
*val = n;
return(0);
} else {
fprintf(stderr, _("Invalid number: %s\n"), s);
return(-1);
}
}
static int multiselect_parse(char *array, int count, char *response)
{
char *str, *saveptr;
for (str = response; ; str = NULL) {
int include = 1;
int start, end;
char *ends = NULL;
char *starts = strtok_r(str, " ", &saveptr);
if (starts == NULL)
break;
strtrim(starts);
int len = strlen(starts);
if(len == 0)
continue;
if (*starts == '^') {
starts++;
len--;
include = 0;
} else if(str) {
/* if first token is including, we unselect all targets */
memset(array, 0, count);
}
if(len > 1) {
/* check for range */
char *p;
if((p = strchr(starts+1, '-'))) {
*p = 0;
ends = p+1;
}
}
if(parseindex(starts, &start, 1, count) != 0)
return(-1);
if(!ends) {
array[start-1] = include;
} else {
if(parseindex(ends, &end, start, count) != 0)
return(-1);
for(int d = start; d <= end; d++) {
array[d-1] = include;
}
}
}
return(0);
}
int multiselect_question(char *array, int count)
{
char response[64];
FILE *stream;
if(config->noconfirm) {
stream = stdout;
} else {
/* Use stderr so questions are always displayed when redirecting output */
stream = stderr;
}
while(1) {
memset(array, 1, count);
fprintf(stream, "\n");
fprintf(stream, _("Enter a selection (default=all)"));
fprintf(stream, ": ");
if(config->noconfirm) {
fprintf(stream, "\n");
break;
}
if(fgets(response, sizeof(response), stdin)) {
strtrim(response);
if(strlen(response) > 0) {
if(multiselect_parse(array, count, response) == -1) {
/* only loop if user gave an invalid answer */
continue;
}
}
}
break;
}
return(0);
}
int select_question(int count) int select_question(int count)
{ {
char response[32]; char response[32];

View File

@ -61,6 +61,7 @@ void display_optdepends(pmpkg_t *pkg);
void print_packages(const alpm_list_t *packages); void print_packages(const alpm_list_t *packages);
void select_display(const alpm_list_t *pkglist); void select_display(const alpm_list_t *pkglist);
int select_question(int count); int select_question(int count);
int multiselect_question(char *array, int count);
int yesno(char *fmt, ...); int yesno(char *fmt, ...);
int noyes(char *fmt, ...); int noyes(char *fmt, ...);
int pm_printf(pmloglevel_t level, const char *format, ...) __attribute__((format(printf,2,3))); int pm_printf(pmloglevel_t level, const char *format, ...) __attribute__((format(printf,2,3)));