static void
multikeys(void)
{
assert_int_equal(KEYS_WAIT, execute_keys(L"m"));
assert_false(IS_KEYS_RET_CODE(execute_keys(L"ma")));
assert_false(IS_KEYS_RET_CODE(execute_keys(L"mb")));
assert_int_equal(KEYS_UNKNOWN, execute_keys(L"mba"));
}
static void
cmd_line_tst(void)
{
counter = 0;
assert_false(IS_KEYS_RET_CODE(execute_keys(L"s")));
assert_false(IS_KEYS_RET_CODE(execute_keys(L"q")));
assert_true(counter == 9);
}
static void
test_noremap_functions(void)
{
assert_int_equal(0, add_user_keys(L"y", L"k", NORMAL_MODE, 0));
assert_false(IS_KEYS_RET_CODE(execute_keys(L"y")));
assert_true(IS_KEYS_RET_CODE(execute_keys_no_remap(L"y")));
assert_false(IS_KEYS_RET_CODE(execute_keys_timed_out(L"y")));
assert_true(IS_KEYS_RET_CODE(execute_keys_timed_out_no_remap(L"y")));
}
static void
test_4dj(void)
{
assert_int_equal(KEYS_WAIT, execute_keys(L"4"));
assert_int_equal(KEYS_WAIT, execute_keys(L"4d"));
assert_false(IS_KEYS_RET_CODE(execute_keys(L"4dj")));
}
static void
test_d3k(void)
{
assert_int_equal(KEYS_WAIT, execute_keys(L"d"));
assert_int_equal(KEYS_WAIT, execute_keys(L"d3"));
assert_false(IS_KEYS_RET_CODE(execute_keys(L"d3k")));
}
static void
test_when_previous_known(void)
{
assert_int_equal(KEYS_WAIT_SHORT, execute_keys(L"q"));
assert_int_equal(KEYS_WAIT_SHORT, execute_keys(L"qb"));
assert_false(IS_KEYS_RET_CODE(execute_keys(L"qbc")));
}
static void
test_max_count_is_handled_correctly(void)
{
char *const keys = format_str("%udd", INT_MAX);
wchar_t *const keysw = to_wide(keys);
assert_false(IS_KEYS_RET_CODE(execute_keys(keysw)));
assert_int_equal(INT_MAX, last_command_count);
free(keysw);
free(keys);
}
/* Handles the rest of the keys after first one has been determined (in curr).
* These can be: <nothing> (empty line), selector, multikey argument. Returns
* error code. */
static int
execute_next_keys(key_chunk_t *curr, const wchar_t keys[], key_info_t *key_info,
keys_info_t *keys_info, int has_duplicate, int no_remap)
{
const key_conf_t *const conf = &curr->conf;
if(*keys == L'\0')
{
int wait_point = (conf->type == BUILTIN_WAIT_POINT);
wait_point = wait_point || (conf->type == USER_CMD &&
conf->followed != FOLLOWED_BY_NONE);
if(wait_point)
{
const int with_input = (mode_flags[vle_mode_get()] & MF_USES_INPUT);
if(!keys_info->after_wait)
{
return (with_input || has_duplicate) ? KEYS_WAIT_SHORT : KEYS_WAIT;
}
}
else if(conf->data.handler == NULL || conf->followed != FOLLOWED_BY_NONE)
{
return KEYS_UNKNOWN;
}
}
else if(conf->type != USER_CMD)
{
int result;
if(conf->followed == FOLLOWED_BY_MULTIKEY)
{
key_info->multi = keys[0];
return dispatch_key(*key_info, keys_info, curr, keys + 1);
}
keys_info->selector = 1;
result = dispatch_keys(keys, keys_info, no_remap, key_info->count);
keys_info->selector = 0;
if(IS_KEYS_RET_CODE(result))
{
return result;
}
/* We used this count in selector, so don't pass it to command. */
key_info->count = NO_COUNT_GIVEN;
}
return dispatch_key(*key_info, keys_info, curr, keys);
}
static void
prevent_stack_overflow(void)
{
assert_int_equal(0, add_user_keys(L"j", L"j", NORMAL_MODE, 0));
assert_false(IS_KEYS_RET_CODE(execute_keys(L"j")));
assert_int_equal(0, add_user_keys(L"q", L"q", NORMAL_MODE, 0));
assert_int_equal(KEYS_UNKNOWN, execute_keys(L"q"));
set_def_handler(NORMAL_MODE, handler);
assert_int_equal(0, add_user_keys(L"t", L"toto", NORMAL_MODE, 0));
assert_int_equal(0, execute_keys(L"t"));
assert_int_equal(4, counter);
set_def_handler(NORMAL_MODE, NULL);
}
static void
test_nops_count_not_passed(void)
{
assert_false(IS_KEYS_RET_CODE(execute_keys(L"10abcdd")));
assert_int_equal(NO_COUNT_GIVEN, last_command_count);
}
static void
test_huge_number_get_intmax(void)
{
assert_false(IS_KEYS_RET_CODE(execute_keys(L"999999999999dd")));
assert_int_equal(INT_MAX, last_command_count);
}
static void
test_normal_number_get_it(void)
{
assert_false(IS_KEYS_RET_CODE(execute_keys(L"123dd")));
assert_int_equal(123, last_command_count);
}
static void
test_no_number_get_not_def(void)
{
assert_false(IS_KEYS_RET_CODE(execute_keys(L"dd")));
assert_int_equal(NO_COUNT_GIVEN, last_command_count);
}
/* Dispatches keys passed in using a tree of shortcuts registered in the root.
* Returns error code. */
static int
dispatch_keys_at_root(const wchar_t keys[], keys_info_t *keys_info,
key_chunk_t *root, key_info_t key_info, int no_remap)
{
key_chunk_t *curr;
const wchar_t *keys_start = keys;
int has_duplicate;
int result;
/* The loop finds longest match of the input (keys) amoung registered
* shortcuts. */
curr = root;
while(*keys != L'\0')
{
key_chunk_t *p;
int number_in_the_middle = 0;
p = curr->child;
while(p != NULL && p->key < *keys)
{
if(p->conf.type == BUILTIN_NIM_KEYS)
{
number_in_the_middle = 1;
}
p = p->next;
}
if(p == NULL || p->key != *keys)
{
if(curr == root)
return KEYS_UNKNOWN;
while(p != NULL)
{
if(p->conf.type == BUILTIN_NIM_KEYS)
{
number_in_the_middle = 1;
}
p = p->next;
}
if(curr->conf.followed != FOLLOWED_BY_NONE &&
(!number_in_the_middle || !is_at_count(keys)))
{
break;
}
if(number_in_the_middle)
{
int count;
const wchar_t *new_keys = get_count(keys, &count);
if(new_keys != keys)
{
key_info.count = combine_counts(key_info.count, count);
keys = new_keys;
continue;
}
}
if(curr->conf.type == BUILTIN_WAIT_POINT)
{
return KEYS_UNKNOWN;
}
has_duplicate = root == &user_cmds_root[vle_mode_get()] &&
contains_chain(&builtin_cmds_root[vle_mode_get()], keys_start, keys);
result = execute_next_keys(curr, curr->conf.type == USER_CMD ? keys : L"",
&key_info, keys_info, has_duplicate, no_remap);
if(curr->conf.type == USER_CMD)
return result;
if(IS_KEYS_RET_CODE(result))
{
if(result == KEYS_WAIT_SHORT)
return KEYS_UNKNOWN;
return result;
}
inc_counter(keys_info, keys - keys_start);
return execute_keys_general(keys, 0, keys_info->mapped, no_remap);
}
keys++;
curr = p;
}
if(*keys == '\0' && curr->conf.type != BUILTIN_WAIT_POINT &&
curr->children_count > 0 && curr->conf.data.handler != NULL &&
!keys_info->after_wait)
{
return KEYS_WAIT_SHORT;
}
has_duplicate = root == &user_cmds_root[vle_mode_get()] &&
contains_chain(&builtin_cmds_root[vle_mode_get()], keys_start, keys);
result = execute_next_keys(curr, keys, &key_info, keys_info, has_duplicate,
no_remap);
if(!IS_KEYS_RET_CODE(result))
{
inc_counter(keys_info, keys - keys_start);
}
else if(*keys == '\0' && result == KEYS_UNKNOWN && curr->children_count > 0)
{
return keys_info->after_wait ? KEYS_UNKNOWN : KEYS_WAIT_SHORT;
}
return result;
}
/* Dispatches keys passed in as a selector followed by arbitrary other keys.
* Returns error code. */
static int
dispatch_selector(const wchar_t keys[], keys_info_t *keys_info,
key_info_t master_key_info, key_chunk_t *master_curr, int no_remap)
{
const wchar_t *keys_start = keys;
key_chunk_t *curr = &selectors_root[vle_mode_get()];
key_info_t key_info;
int result;
if(fill_key_info(&keys, &key_info, master_key_info.count, &result) != 0)
{
return result;
}
/* The loop finds longest match of the input (keys) among registered
* shortcuts. */
while(*keys != L'\0')
{
key_chunk_t *p;
for(p = curr->child; p != NULL && p->key < *keys; p = p->next)
{
/* Advance. */
}
if(p == NULL || p->key != *keys)
{
break;
}
++keys;
curr = p;
}
/* Handle ambiguous selector. */
if(*keys == '\0' && curr->type != BUILTIN_WAIT_POINT &&
curr->children_count > 0 && curr->conf.data.handler != NULL &&
!keys_info->after_wait)
{
return KEYS_WAIT_SHORT;
}
/* Execute the selector. */
if(curr->conf.followed == FOLLOWED_BY_MULTIKEY && keys[0] != L'\0')
{
const wchar_t mk[] = { keys[0], L'\0' };
result = execute_next_keys(curr, mk, &key_info, keys_info, 0, no_remap);
++keys;
}
else
{
result = keys[0] == L'\0'
? execute_next_keys(curr, L"", &key_info, keys_info, 0, no_remap)
: dispatch_key(key_info, keys_info, curr, L"");
}
if(IS_KEYS_RET_CODE(result))
{
return result;
}
/* We used this count in selector, so don't pass it to command. */
master_key_info.count = NO_COUNT_GIVEN;
/* Execute command that requested the selector. */
result = execute_mapping_handler(&master_curr->conf, master_key_info,
keys_info);
if(IS_KEYS_RET_CODE(result))
{
return result;
}
inc_counter(keys_info, keys - keys_start);
/* execute_keys_general() treats empty input as an error. */
if(keys[0] == L'\0')
{
return 0;
}
/* Process the rest of the line. */
return execute_keys_general(keys, keys_info->after_wait, 0, no_remap);
}