node_t hash_pop_value(char* key, int pop){
node_t target,value;
target=get_node((HASH+key2hash(key,NUM))->cdr,key);
value=0;
if(target&&(value=target->child)&&pop){ target->child=value->cdr; }
return value?(value->child):0;
}
void hash_table_remove(hash_table *ht, const wchar_t *key) {
size_t hash = key2hash(key, ht->rows);
struct hash_table_sub_list *p;
assert(ht != NULL);
assert(ht->table != NULL);
assert(key != NULL);
if (ht->table[hash] == NULL)
return;
p = ht->table[hash];
do {
if (wcscmp(p->key, key) == 0) {
if (p == ht->table[hash])
ht->table[hash] = p->next;
if (p->prev != NULL)
p->prev->next = p->next;
if (p->next != NULL)
p->next->prev = p->prev;
assert(p->key != NULL);
free(p->key);
free(p);
return;
}
p = p->next;
} while (p != NULL);
return;
}
char* unique_string(char* string){
string_node_t head,node;
head=STRINGS+key2hash(string,NUM);
node=head->next;
while(node&&strcmp(string,node->key)){node=node->next;}
if(node){ return node->key; }
node=calloc(1,sizeof(string_node_));
node->key=string; node->next=head->next; head->next=node;
return string;
}
palo_err hash_table_add_or_update_ex(hash_table *ht, const wchar_t *key, void *data, palo_bool *updated, void **old_data) {
struct hash_table_sub_list *p;
size_t hash = key2hash(key, ht->rows);
assert(ht != NULL);
assert(key != NULL);
assert(updated != NULL);
assert(old_data != NULL);
*updated = PALO_FALSE;
if (ht->table[hash] == NULL) {
ht->table[hash] = (struct hash_table_sub_list*)malloc(sizeof(struct hash_table_sub_list));
if (ht->table[hash] == NULL)
return PALO_ERR_NO_MEM;
ht->table[hash]->next = NULL;
ht->table[hash]->prev = NULL;
ht->table[hash]->data = data;
ht->table[hash]->key = wcsdup(key);
if (ht->table[hash]->key == NULL) {
free(ht->table[hash]);
ht->table[hash] = NULL;
return PALO_ERR_NO_MEM;
}
} else {
p = ht->table[hash];
while (p->next != NULL && wcscmp(p->key, key) != 0)
p = p->next;
if (wcscmp(p->key, key) == 0) {
/* update */
*old_data = p->data;
p->data = data;
*updated = PALO_TRUE;
} else {
/* add */
p->next = (struct hash_table_sub_list*)malloc(sizeof(struct hash_table_sub_list));
if (p->next == NULL)
return PALO_ERR_NO_MEM;
p->next->key = wcsdup(key);
if (p->next->key == NULL) {
free(p->next);
p->next = NULL;
return PALO_ERR_NO_MEM;
}
p->next->next = NULL;
p->next->prev = p;
p->next->data = data;
}
}
return PALO_SUCCESS;
}
node_t hash_push_value(char* key,node_t value){
node_t head,target,nvalue;
head=HASH+key2hash(key,NUM);
target=get_node(head->cdr,key);
if(!target){
target=alloc_node(key);
target->cdr=head->cdr;
head->cdr=target;
}
nvalue=alloc_node(key);
nvalue->child=value;
node->child=push_value(node->child,nvalue);
return value;
}
void *hash_table_find(const hash_table *ht, const wchar_t *key) {
size_t hash = key2hash(key, ht->rows);
struct hash_table_sub_list *p;
assert(ht != NULL);
assert(ht->table != NULL);
assert(key != NULL);
if (ht->table[hash] == NULL)
return NULL;
p = ht->table[hash];
while (p != NULL) {
if (wcscmp(p->key, key) == 0)
return p->data;
p = p->next;
}
return NULL;
}
