void Config::loadStateCache()
{
ConfigStateCache *cache;
std::string file = Utils::getCacheFile("iostates.cache");
Eet_File *ef = eet_open(file.c_str(), EET_FILE_MODE_READ);
if (!ef)
{
cWarning() << "Could not open iostates.cache for read !";
return;
}
cache = (ConfigStateCache *)eet_data_read(ef, edd_cache, "calaos/states/cache");
if (!cache)
{
eet_close(ef);
cWarning() << "Could not read iostates.cache, corrupted file?";
return;
}
if (cache->version < CONFIG_STATES_CACHE_VERSION)
{
cWarning() << "File version too old, upgrading to new format";
cache->version = CONFIG_STATES_CACHE_VERSION;
}
//read all states and put it in cache_states
Eina_Iterator *it = eina_hash_iterator_tuple_new(cache->states);
void *data;
while (eina_iterator_next(it, &data))
{
Eina_Hash_Tuple *t = (Eina_Hash_Tuple *)data;
ConfigStateValue *state = (ConfigStateValue *)t->data;
std::string skey = state->id;
std::string svalue = state->value;
SaveValueIO(skey, svalue, false);
}
eina_iterator_free(it);
eina_hash_free(cache->states);
free(cache);
eet_close(ef);
cInfo() << "States cache read successfully.";
}
int
main(int argc, const char *argv[])
{
Eina_Hash *phone_book = NULL;
int i;
int64_t entry_id = 4;
char *phone = NULL;
Eina_Bool r;
Eina_Iterator *it;
void *data;
eina_init();
phone_book = eina_hash_int64_new(_phone_entry_free_cb);
// Add initial entries to our hash
for (i = 0; _start_entries[i].id != -1; i++)
{
eina_hash_add(phone_book, &_start_entries[i].id,
strdup(_start_entries[i].number));
}
// Look for a specific entry and get its phone number
phone = eina_hash_find(phone_book, &entry_id);
if (phone)
{
printf("Printing entry.\n");
printf("Id: %lld\n", entry_id);
printf("Number: %s\n\n", phone);
}
// Delete this entry
r = eina_hash_del(phone_book, &entry_id, NULL);
printf("Hash entry successfully deleted? %d\n\n", r);
// Modify the pointer data of an entry and free the old one
int64_t id3 = 3;
phone = eina_hash_modify(phone_book, &id3,
strdup("+23 45 111-11111"));
free(phone);
// Modify or add an entry to the hash with eina_hash_set
// Let's first add a new entry
int64_t id5 = 5;
eina_error_set(0);
phone = eina_hash_set(phone_book, &id5,
strdup("+55 01 234-56789"));
if (!phone)
{
Eina_Error err = eina_error_get();
if (!err)
{
printf("No previous phone found for id5. ");
printf("Creating new entry.\n");
}
else
printf("Error when setting phone for Raul Seixas\n");
}
else
{
printf("Old phone for id5 was %s\n", phone);
free(phone);
}
printf("\n");
// Now change the phone number
eina_error_set(0);
phone = eina_hash_set(phone_book, &id5,
strdup("+55 02 222-22222"));
if (phone)
{
printf("Changing phone for id5 to +55 02 222-22222. ");
printf("Old phone was %s\n", phone);
free(phone);
}
else
{
Eina_Error err = eina_error_get();
if (err)
printf("Error when changing phone for id5\n");
else
{
printf("No previous phone found for id5. ");
printf("Creating new entry.\n");
}
}
// There are many ways to iterate over our Phone book.
// First, iterate showing the names and associated numbers.
printf("List of phones:\n");
eina_hash_foreach(phone_book, _phone_book_foreach_cb, NULL);
printf("\n");
// Now iterate using an iterator
printf("List of phones:\n");
it = eina_hash_iterator_tuple_new(phone_book);
while (eina_iterator_next(it, &data))
{
Eina_Hash_Tuple *t = data;
const int64_t *id = t->key;
const char *number = t->data;
printf("%lld: %s\n", *id, number);
}
eina_iterator_free(it); // Always free the iterator after its use
printf("\n");
// Just iterate over the keys (names)
printf("List of ids in the phone book:\n");
it = eina_hash_iterator_key_new(phone_book);
while (eina_iterator_next(it, &data))
{
const int64_t *id = data;
printf("%lld\n", *id);
}
eina_iterator_free(it);
printf("\n");
// Just iterate over the data (numbers)
printf("List of numbers in the phone book:\n");
it = eina_hash_iterator_data_new(phone_book);
while (eina_iterator_next(it, &data))
{
const char *number = data;
printf("%s\n", number);
}
eina_iterator_free(it);
printf("\n");
// Check how many items are in the phone book
printf("There are %d items in the hash.\n\n",
eina_hash_population(phone_book));
// Change the name (key) on an entry
int64_t id6 = 6;
eina_hash_move(phone_book, &id5, &id6);
printf("List of phones after change:\n");
eina_hash_foreach(phone_book, _phone_book_foreach_cb, NULL);
printf("\n");
// Empty the phone book, but don't destroy it
eina_hash_free_buckets(phone_book);
printf("There are %d items in the hash.\n\n",
eina_hash_population(phone_book));
// Phone book could still be used, but we are freeing it since we are
// done for now
eina_hash_free(phone_book);
eina_shutdown();
}
