static Trie *
brk_get_dict ()
{
static int is_dict_tried = 0;
if (!brk_dict && !is_dict_tried) {
const char *dict_dir;
char path[512];
/* Try LIBTHAI_DICTDIR env first */
if (NULL != (dict_dir = getenv ("LIBTHAI_DICTDIR"))) {
snprintf (path, sizeof path, "%s/%s.tri", dict_dir, DICT_NAME);
brk_dict = trie_new_from_file (path);
}
/* Then, fall back to default DICT_DIR macro */
if (!brk_dict) {
brk_dict = trie_new_from_file (DICT_DIR "/" DICT_NAME ".tri");
}
if (!brk_dict) {
if (dict_dir) {
fprintf (stderr,
"LibThai: Fail to open dictionary at '%s' and '%s'.\n",
path, DICT_DIR "/" DICT_NAME ".tri");
} else {
fprintf (stderr,
"LibThai: Fail to open dictionary at '%s'.\n",
DICT_DIR "/" DICT_NAME ".tri");
}
}
is_dict_tried = 1;
}
return brk_dict;
}
ATTrie :: ATTrie(const char * path) : data(NULL) {
nodes=database_info.trie_nodes;
data = new ATTrieData;
#if 1 //added by Jad due to an error occuring in desctructor when trie is loaded from file
data->amap = alpha_map_new();
if (data->amap == NULL)
throw "AlphaMapConstructionException";
// add all characters except 0 and FF FF FF FF
// AlphaChar is uint32
// this needs to change later to allow only Arabic and Latin
alpha_map_add_range(data->amap, 1, 0xFFFFFFFE);
data->trie = trie_new(data->amap);
#endif
data->trie = trie_new_from_file(path);
if (data->trie == NULL)
throw "TrieConstructionException";
}
