/*
* Add the sequence of characters given in sequence as the key mapping
* for the given key symbol.
*/
void
add_key_sequence(SCREEN *screen, char *sequence, int key_type)
{
key_entry_t *tmp_key;
keymap_t *current;
int length, j, key_ent;
#ifdef DEBUG
__CTRACE(__CTRACE_MISC, "add_key_sequence: add key sequence: %s(%s)\n",
sequence, keyname(key_type));
#endif /* DEBUG */
current = screen->base_keymap; /* always start with
* base keymap. */
length = (int) strlen(sequence);
/*
* OK - we really should never get a zero length string here, either
* the terminfo entry is there and it has a value or we are not called
* at all. Unfortunately, if someone assigns a terminfo string to the
* ^@ value we get passed a null string which messes up our length.
* So, if we get a null string then just insert a leaf value in
* the 0th char position of the root keymap. Note that we are
* totally screwed if someone terminates a multichar sequence
* with ^@... oh well.
*/
if (length == 0)
length = 1;
for (j = 0; j < length - 1; j++) {
/* add the entry to the struct */
tmp_key = add_new_key(current, sequence[j], KEYMAP_MULTI, 0);
/* index into the key array - it's
clearer if we stash this */
key_ent = current->mapping[(unsigned char) sequence[j]];
current->key[key_ent] = tmp_key;
/* next key uses this map... */
current = current->key[key_ent]->value.next;
}
/*
* This is the last key in the sequence (it may have been the
* only one but that does not matter) this means it is a leaf
* key and should have a symbol associated with it.
*/
tmp_key = add_new_key(current, sequence[length - 1], KEYMAP_LEAF,
key_type);
current->key[current->mapping[(int)sequence[length - 1]]] = tmp_key;
}
char *word_user(char *filename, char *filename_user)
//当添加一个词条后，必须重新开始，才能再次加入查找范围
{
dict_elem_t *head_p;
int total;
int total_d;
int total_user;
dict_elem_t *elem_fund;
total_d = get_elem_count(filename);
total_user = get_elem_count(filename_user);
if (total_user == -1) {
total = total_d;
head_p = malloc(total * sizeof(*head_p));
head_p = read_to_mem_from_txt(filename, head_p, total);
} else {
total = total_d + total_user;
head_p = malloc(total * sizeof(*head_p));
head_p = read_to_mem_from_txt(filename, head_p, total_d);
read_to_mem_from_txt(filename_user, &(head_p[total_d]), total_user);
}
shell_sort(head_p, 0, total-1);
printf("\n\t\t\tWelcome enjoy this dictionary\n\n");
printf("input you word ,exit is quit... \n");
for (;;) {
elem_fund = search(head_p, total); //退出，说明没找到，继续找
if (elem_fund == NULL) {
add_new_key(filename_user);
continue;
} else if ((unsigned)elem_fund == 1) {
distory(head_p, total);
return (char *) 1;
} else if ((unsigned)elem_fund == 2) {
puts("error");
distory(head_p, total);
return (char *) 2;
} else {
print_one_elem(elem_fund);
}
}
}