static void quickhash_insert_key(Hash * hash, Int i) {
Int ind;
ind = data_hash(&hash->keys->el[i]) % hash->hashtab_size;
hash->links[i] = hash->hashtab[ind];
hash->hashtab[ind] = i;
}
data_t * _any_hash(data_t *self, char *name, arguments_t *args) {
data_t *obj;
(void) name;
obj = (args && arguments_args_size(args)) ? arguments_get_arg(args, 0) : self;
return (data_t *) int_create(data_hash(obj));
}
static void insert_key(cDict *dict, Int i)
{
Int ind;
ind = data_hash(&dict->keys->el[i]) % dict->hashtab_size;
dict->links[i] = dict->hashtab[ind];
dict->hashtab[ind] = i;
}
INTERNAL void insert_key(Hash * hash, Int i)
{
Int ind;
ind = data_hash(&hash->keys->el[i]) % hash->hashtab_size;
hash->links[i] = hash->hashtab[ind];
hash->hashtab[ind] = i;
}
Int hash_find(Hash * hash, cData *key) {
Int ind, i;
ind = data_hash(key) % hash->hashtab_size;
for (i = hash->hashtab[ind]; i != -1; i = hash->links[i]) {
if (data_cmp(&hash->keys->el[i], key) == 0)
return i;
}
return F_FAILURE;
}
static Int search(cDict *dict, cData *key) {
Int ind, i;
ind = data_hash(key) % dict->hashtab_size;
for (i = dict->hashtab[ind]; i != -1; i = dict->links[i]) {
if (data_cmp(&dict->keys->el[i], key) == 0)
return i;
}
return F_FAILURE;
}
/* Error-checking is the caller's responsibility; this routine assumes that it
* will find the key in the dictionary. */
cDict *dict_del(cDict *dict, cData *key)
{
Int ind, *ip, i = -1, j;
dict = dict_prep(dict);
/* Search for a pointer to the key, either in the hash table entry or in
* the chain links. */
ind = data_hash(key) % dict->hashtab_size;
for (ip = &dict->hashtab[ind];; ip = &dict->links[*ip]) {
i = *ip;
if (data_cmp(&dict->keys->el[i], key) == 0)
break;
}
/* Delete the element from the keys and values lists. */
dict->keys = list_delete(dict->keys, i);
dict->values = list_delete(dict->values, i);
/* Replace the pointer to the key index with the next link. */
*ip = dict->links[i];
/* Copy the links beyond i backward. */
MEMMOVE(dict->links + i, dict->links + i + 1, dict->keys->len - i);
dict->links[dict->keys->len] = -1;
/* Since we've renumbered all the elements beyond i, we have to check
* all the links and hash table entries. If they're greater than i,
* decrement them. Skip this step if the element we removed was the last
* one. */
if (i < dict->keys->len) {
for (j = 0; j < dict->keys->len; j++) {
if (dict->links[j] > i)
dict->links[j]--;
}
for (j = 0; j < dict->hashtab_size; j++) {
if (dict->hashtab[j] > i)
dict->hashtab[j]--;
}
}
return dict;
}
int hash_handled (cData *d)
{
HandledFrob *h = HANDLED_FROB(d);
return h->cclass + h->handler + data_hash(&h->rep);
}
int main()
{
init_util();
cList *keys = list_new(2);
cList *values = list_new(2);
cData key1, key2;
cData val1, val2;
key1.type = STRING;
key2.type = INTEGER;
key1.u.str = string_from_chars("ab", 2);
key2.u.val = 1106;
val1.type = val2.type = INTEGER;
val1.u.val = 10;
val2.u.val = 20;
list_add(keys, &key1);
list_add(keys, &key2);
values = list_add(values, &val1);
values = list_add(values, &val2);
cData keys_data, values_data;
keys_data.type = values_data.type = LIST;
keys_data.u.list = keys;
values_data.u.list = values;
cDict *mydict = dict_new(keys, values);
cStr *lit = string_new(0);
dict_add_literal_to_str(lit, mydict, 0);
printf("%s\n", lit->s);
printf("%s -> %d\n", key1.u.str->s, data_hash(&key1));
printf("%d -> %d\n", key2.u.val, data_hash(&key2));
puts("Testing dict!");
int i;
for (i = 0; i < mydict->hashtab_size; i++) {
printf("dict->links[%d] = %d\n", i, mydict->links[i]);
}
puts("");
for (i = 0; i < mydict->hashtab_size; i++) {
printf("dict->hashtab[%d] = %d\n", i, mydict->hashtab[i]);
}
puts("");
for (i = 0; i < list_length(values); i++) {
printf("dict->values[%d] = %s\n", i, data_to_literal(list_elem(mydict->values, i), 0)->s);
//printf("dict->values[%d] = %d\n", i, list_elem(values, i)->u.val);
}
/*puts("Find some valz!");
cData ret;
cData ret2;
long res = dict_find(mydict, &key1, &ret);
printf("%s => %d (%d)\n", key1.u.str->s, ret.u.val, res == keynf_id);
res = dict_find(mydict, &key2, &ret2);
printf("%s => %d (%d)\n", key2.u.str->s, ret2.u.val, res == keynf_id);
*/
return 0;
}
