unsigned long
trie_size (trie_t *t)
{
if (t == NULL)
return 0;
else
return 1 + trie_size (t->left) + trie_size (t->right);
}
/* Generates a trie containing a mapping from deligatured words back
to their "real" worlds. Returns 1 on success, otherwise 0. */
static Trie* find_ligatures( char* dictionary_file ) {
FILE *words_file = fopen( dictionary_file, "r" );
if ( words_file == NULL ) {
return 0;
}
char *buf = NULL;
size_t n_read, buf_size = 0;
Trie *trie = trie_new( "", NULL );
while ( ( n_read = getline( &buf, &buf_size, words_file ) ) != -1 ) {
if ( buf[n_read - 1] == '\n' ) --n_read;
buf[n_read] = 0;
add_deligatured_word( buf, trie );
/* For non-proper names (i.e., normal words) we want to add to
our trie the deligaturization of the *capitalized* version of
the word. Consider, for example, that "fluffy" and "Fluffy"
have different deligaturizations: "uy" and "Fluy",
respectively. */
if ( islower( buf[0] ) ) {
buf[0] = toupper( buf[0] );
// now find ligatures again, and add it if appropriate
add_deligatured_word( buf, trie );
}
}
free( buf );
fclose( words_file );
printf( "Trie size=%d\n", trie_size( trie ) );
/* trie_display( trie ); */
/* printf( "Trie size=%d\n", trie_size( words ) ); */
/* trie_display( words ); */
/* printf( "aunt=%d\n", trie_contains( words, "aunt" ) ); */
/* char test_buf[100]; */
/* strcpy( test_buf, "eect" ); */
/* religature_word( test_buf, sizeof( test_buf ) ); */
/* strcpy( test_buf, "Eect" ); */
/* religature_word( test_buf, sizeof( test_buf ) ); */
/* strcpy( test_buf, "uy" ); // fluffy */
/* religature_word( test_buf, sizeof( test_buf ) ); */
/* strcpy( test_buf, "Fluy" ); // Fluffy */
/* religature_word( test_buf, sizeof( test_buf ) ); */
/* strcpy( test_buf, "Flanagan" ); */
/* religature_word( test_buf, sizeof( test_buf ) ); */
/* strcpy( test_buf, "anagan" ); // no such word! (flanagan) */
/* religature_word( test_buf, sizeof( test_buf ) ); */
return trie;
}
int trie_size( Trie *t ) {
int n = 0;
int i;
if ( t->children ) {
Trie *child;
for ( i = 0; i < TRIE_ALPHABET_SIZE; ++i ) {
if ( ( child = t->children[i] ) != 0 ) {
n += trie_size( child );
}
}
}
if ( t->is_end_of_string ) {
return n + 1;
} else {
return n;
}
}
size_t trie_size(struct Trie_node *root)
{
size_t size = 0;
if (root->symbol) {
struct Stab *symbol = root->symbol;
if (symbol->funcno > 0 && symbol->type->kind != T_STRUCT && symbol->arysize_cnt) {
size += symbol->size * symbol->arysize_list->size;
} else {
size += symbol->size;
}
}
int i;
for (i = 0; i < 53; i++) {
if (root->next[i]) {
size += trie_size(root->next[i]);
}
}
return size;
}
/**
* Returns number of words in dictionary if loaded else 0 if not yet loaded.
*/
unsigned int size(void)
{
return trie_size(&trie);
}