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Add token matching like dmenu

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This change ports dmenu's token matching of space-separated input to
wmenu to match the behaviour of dmenu, with a slightly more verbose
but hopefully more readable implementation.
This commit is contained in:
Amin Bandali 2024-02-27 00:10:34 -05:00 • committed by adnano
parent 96b3c0ef26
commit 04dfc06379
1 changed files with 34 additions and 4 deletions
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38
main.c
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@ -195,19 +195,49 @@ static void match_items(struct menu *menu) {
struct item *lexact = NULL, *exactend = NULL;
struct item *lprefix = NULL, *prefixend = NULL;
struct item *lsubstr = NULL, *substrend = NULL;
char buf[sizeof menu->input], *tok;
char **tokv = NULL;
int i, tokc = 0;
size_t tok_len;
menu->matches = NULL;
menu->matches_end = NULL;
menu->sel = NULL;
size_t len = strlen(menu->input);
size_t text_len = strlen(menu->input);
/* tokenize text by space for matching the tokens individually */
strcpy(buf, menu->input);
tok = strtok(buf, " ");
while (tok) {
tokv = realloc(tokv, (tokc + 1) * sizeof *tokv);
if (!tokv) {
fprintf(stderr, "could not realloc %zu bytes",
(tokc + 1) * sizeof *tokv);
exit(EXIT_FAILURE);
}
tokv[tokc] = tok;
tokc++;
tok = strtok(NULL, " ");
}
tok_len = tokc ? strlen(tokv[0]) : 0;
struct item *item;
for (item = menu->items; item; item = item->next) {
if (!menu->strncmp(menu->input, item->text, len + 1)) {
for (i = 0; i < tokc; i++) {
if (!fstrstr(menu, item->text, tokv[i])) {
/* token does not match */
break;
}
}
if (i != tokc) {
/* not all tokens match */
continue;
}
if (!tokc || !menu->strncmp(menu->input, item->text, text_len + 1)) {
append_item(item, &lexact, &exactend);
} else if (!menu->strncmp(menu->input, item->text, len)) {
} else if (!menu->strncmp(tokv[0], item->text, tok_len)) {
append_item(item, &lprefix, &prefixend);
} else if (fstrstr(menu, item->text, menu->input)) {
} else {
append_item(item, &lsubstr, &substrend);
}
}