word_t xdict_query(xdict_t xd, const char *key, int len)
{
word_t value, value2;
value = value2 = NULL;
while (xd != NULL)
{
if (xd->xmode == SCWS_XDICT_MEM)
{
/* this is ThreadSafe, recommend. */
value = (word_t) xtree_nget((xtree_t) xd->xdict, key, len, NULL);
}
else
{
/* the value malloced in lib-XDB. free required */
value = (word_t) xdb_nget((xdb_t) xd->xdict, key, len, NULL);
if (value != NULL) value->flag |= SCWS_WORD_MALLOCED;
}
xd = xd->next;
// check value2
if (value != NULL)
{
if (value2 == NULL)
{
if (_FLAG_BOTH(value))
return value;
value2 = value;
}
else
{
if (_FLAG_FULL(value2) && _FLAG_PART(value))
{
value2->flag |= SCWS_WORD_PART;
if (_FLAG_MALLOC(value))
free(value);
return value2;
}
if (_FLAG_FULL(value) && _FLAG_PART(value2))
{
value->flag |= SCWS_WORD_PART;
if (_FLAG_MALLOC(value2))
free(value2);
return value;
}
if (_FLAG_MALLOC(value))
free(value);
}
}
}
return value2;
}
void *xdb_get(xdb_t x, const char *key, unsigned int *vlen)
{
if (x == NULL || key == NULL)
return NULL;
return xdb_nget(x, key, strlen(key), vlen);
}
