void completion_deinit(void)
{
free_completions();
chat_completion_deinit();
signal_remove("complete word", (SIGNAL_FUNC) sig_complete_word);
signal_remove("complete command set", (SIGNAL_FUNC) sig_complete_set);
signal_remove("complete command toggle", (SIGNAL_FUNC) sig_complete_toggle);
signal_remove("complete command cat", (SIGNAL_FUNC) sig_complete_filename);
signal_remove("complete command run", (SIGNAL_FUNC) sig_complete_filename);
signal_remove("complete command save", (SIGNAL_FUNC) sig_complete_filename);
signal_remove("complete command reload", (SIGNAL_FUNC) sig_complete_filename);
signal_remove("complete command rawlog open", (SIGNAL_FUNC) sig_complete_filename);
signal_remove("complete command rawlog save", (SIGNAL_FUNC) sig_complete_filename);
signal_remove("complete command help", (SIGNAL_FUNC) sig_complete_command);
}
char *fetchline(xfs_mount_t *mp, char *path) {
xfs_inode_t *inode;
xfs_off_t ofs = 0;
char *line;
int r;
free_completions();
r = find_path(mp, path, &inode);
if (r == 0) {
r = xfs_readdir(inode, NULL, 102400, &ofs, cli_complete_xfs_filldir);
libxfs_iput(inode, 0);
}
rl_completion_entry_function = (Function *)dir_generator;
rl_bind_key('\t', rl_complete);
line = readline(get_prompt(path));
if (line && *line)
add_history(line);
return line;
}
/* manual word completion - called when TAB is pressed */
char *word_complete(WINDOW_REC *window, const char *line, int *pos)
{
static int startpos = 0, wordlen = 0;
GString *result;
char *word, *wordstart, *linestart, *ret;
int want_space;
g_return_val_if_fail(line != NULL, NULL);
g_return_val_if_fail(pos != NULL, NULL);
if (complist != NULL && *pos == last_line_pos &&
strcmp(line, last_line) == 0) {
/* complete from old list */
complist = complist->next != NULL ? complist->next :
g_list_first(complist);
want_space = last_want_space;
} else {
/* get new completion list */
free_completions();
/* get the word we want to complete */
word = get_word_at(line, *pos, &wordstart);
startpos = (int) (wordstart-line);
wordlen = strlen(word);
/* get the start of line until the word we're completing */
if (isseparator(*line)) {
/* empty space at the start of line */
if (wordstart == line)
wordstart += strlen(wordstart);
} else {
while (wordstart > line && isseparator(wordstart[-1]))
wordstart--;
}
linestart = g_strndup(line, (int) (wordstart-line));
/* completions usually add space after the word, that makes
things a bit harder. When continuing a completion
"/msg nick1 "<tab> we have to cycle to nick2, etc.
BUT if we start completion with "/msg "<tab>, we don't
want to complete the /msg word, but instead complete empty
word with /msg being in linestart. */
if (*pos > 0 && line[*pos-1] == ' ') {
char *old;
old = linestart;
linestart = *linestart == '\0' ?
g_strdup(word) :
g_strconcat(linestart, " ", word, NULL);
g_free(old);
g_free(word);
word = g_strdup("");
startpos = strlen(linestart)+1;
wordlen = 0;
}
want_space = TRUE;
signal_emit("complete word", 5, &complist, window, word, linestart, &want_space);
last_want_space = want_space;
g_free(linestart);
g_free(word);
}
if (complist == NULL)
return NULL;
/* word completed */
*pos = startpos+strlen(complist->data);
/* replace the word in line - we need to return
a full new line */
result = g_string_new(line);
g_string_erase(result, startpos, wordlen);
g_string_insert(result, startpos, complist->data);
if (want_space) {
if (!isseparator(result->str[*pos]))
g_string_insert_c(result, *pos, ' ');
(*pos)++;
}
wordlen = strlen(complist->data);
last_line_pos = *pos;
g_free_not_null(last_line);
last_line = g_strdup(result->str);
ret = result->str;
g_string_free(result, FALSE);
return ret;
}
/* Returns 1 if the user would like to see us again */
static int
complete_engine (WInput *in, int what_to_do)
{
if (in->completions && in->point != end)
free_completions (in);
if (!in->completions){
end = in->point;
for (start = end ? end - 1 : 0; start > -1; start--)
if (strchr (" \t;|<>", in->buffer [start]))
break;
if (start < end)
start++;
in->completions = try_complete (in->buffer, &start, &end, in->completion_flags);
}
if (in->completions){
if (what_to_do & DO_INSERTION || ((what_to_do & DO_QUERY) && !in->completions[1])) {
if (insert_text (in, in->completions [0], strlen (in->completions [0]))){
if (in->completions [1])
beep ();
else
free_completions (in);
} else
beep ();
}
if ((what_to_do & DO_QUERY) && in->completions && in->completions [1]) {
int maxlen = 0, i, count = 0;
int x, y, w, h;
int start_x, start_y;
char **p, *q;
Dlg_head *query_dlg;
WListbox *query_list;
for (p=in->completions + 1; *p; count++, p++)
if ((i = strlen (*p)) > maxlen)
maxlen = i;
start_x = in->widget.x;
start_y = in->widget.y;
if (start_y - 2 >= count) {
y = start_y - 2 - count;
h = 2 + count;
} else {
if (start_y >= LINES - start_y - 1) {
y = 0;
h = start_y;
} else {
y = start_y + 1;
h = LINES - start_y - 1;
}
}
x = start - in->first_shown - 2 + start_x;
w = maxlen + 4;
if (x + w > COLS)
x = COLS - w;
if (x < 0)
x = 0;
if (x + w > COLS)
w = COLS;
input = in;
min_end = end;
query_height = h;
query_width = w;
query_dlg = create_dlg (y, x, query_height, query_width,
dialog_colors, query_callback,
"[Completion]", NULL, DLG_COMPACT);
query_list = listbox_new (1, 1, w - 2, h - 2, NULL);
add_widget (query_dlg, query_list);
for (p = in->completions + 1; *p; p++)
listbox_add_item (query_list, 0, 0, *p, NULL);
run_dlg (query_dlg);
q = NULL;
if (query_dlg->ret_value == B_ENTER){
listbox_get_current (query_list, &q, NULL);
if (q)
insert_text (in, q, strlen (q));
}
if (q || end != min_end)
free_completions (in);
i = query_dlg->ret_value; /* B_USER if user wants to start over again */
destroy_dlg (query_dlg);
if (i == B_USER)
return 1;
}
} else
beep ();
return 0;
}
/* manual word completion - called when TAB is pressed */
char *word_complete(WINDOW_REC *window, const char *line, int *pos, int erase, int backward)
{
static int startpos = 0, wordlen = 0;
int old_startpos, old_wordlen;
GString *result;
const char *cmdchars;
char *word, *wordstart, *linestart, *ret, *data;
int continue_complete, want_space, expand_escapes;
g_return_val_if_fail(line != NULL, NULL);
g_return_val_if_fail(pos != NULL, NULL);
continue_complete = complist != NULL && *pos == last_line_pos &&
g_strcmp0(line, last_line) == 0;
if (erase && !continue_complete)
return NULL;
old_startpos = startpos;
old_wordlen = wordlen;
if (!erase && continue_complete) {
word = NULL;
linestart = NULL;
} else {
char* old_wordstart;
/* get the word we want to complete */
word = get_word_at(line, *pos, &wordstart);
old_wordstart = wordstart;
startpos = (int) (wordstart-line);
wordlen = strlen(word);
/* remove trailing spaces from linestart */
while (wordstart > line && isseparator_space(wordstart[-1]))
wordstart--;
/* unless everything was spaces */
if (old_wordstart > line && wordstart == line)
wordstart = old_wordstart - 1;
linestart = g_strndup(line, (int) (wordstart-line));
/* completions usually add space after the word, that makes
things a bit harder. When continuing a completion
"/msg nick1 "<tab> we have to cycle to nick2, etc.
BUT if we start completion with "/msg "<tab>, we don't
want to complete the /msg word, but instead complete empty
word with /msg being in linestart. */
if (!erase && *pos > 0 && isseparator_space(line[*pos-1]) &&
(*linestart == '\0' || !isseparator_space(wordstart[-1]))) {
char *old;
old = linestart;
/* we want to move word into linestart */
if (*linestart == '\0') {
linestart = g_strdup(word);
} else {
GString *str = g_string_new(linestart);
if (old_wordstart[-1] != str->str[str->len - 1]) {
/* do not accidentally duplicate the word separator */
g_string_append_c(str, old_wordstart[-1]);
}
g_string_append(str, word);
linestart = g_string_free(str, FALSE);
}
g_free(old);
g_free(word);
word = g_strdup("");
startpos = *linestart == '\0' ? 0 :
strlen(linestart)+1;
wordlen = 0;
}
}
if (erase) {
signal_emit("complete erase", 3, window, word, linestart);
/* jump to next completion */
startpos = old_startpos;
wordlen = old_wordlen;
}
if (continue_complete) {
/* complete from old list */
if (backward)
complist = complist->prev != NULL ? complist->prev :
g_list_last(complist);
else
complist = complist->next != NULL ? complist->next :
g_list_first(complist);
want_space = last_want_space;
} else {
int keep_word = settings_get_bool("completion_keep_word");
/* get new completion list */
free_completions();
want_space = TRUE;
signal_emit("complete word", 5, &complist, window, word, linestart, &want_space);
last_want_space = want_space;
if (complist != NULL) {
/* Remove all nulls (from the signal) before doing further processing */
complist = g_list_remove_all(g_list_first(complist), NULL);
if (keep_word) {
complist = g_list_append(complist, g_strdup(word));
}
if (backward) {
complist = g_list_last(complist);
if (keep_word) {
complist = complist->prev;
}
}
}
}
g_free(linestart);
g_free(word);
if (complist == NULL)
return NULL;
/* get the cmd char */
cmdchars = settings_get_str("cmdchars");
/* get the expand_escapes setting */
expand_escapes = settings_get_bool("expand_escapes");
/* escape if the word doesn't begin with '/' and expand_escapes are turned on */
data = strchr(cmdchars, *line) == NULL && expand_escapes ?
escape_string_backslashes(complist->data) : g_strdup(complist->data);
/* word completed */
*pos = startpos + strlen(data);
/* replace the word in line - we need to return
a full new line */
result = g_string_new(line);
g_string_erase(result, startpos, wordlen);
g_string_insert(result, startpos, data);
if (want_space) {
if (!isseparator(result->str[*pos]))
g_string_insert_c(result, *pos, ' ');
(*pos)++;
}
wordlen = strlen(data);
last_line_pos = *pos;
g_free_not_null(last_line);
last_line = g_strdup(result->str);
ret = result->str;
g_string_free(result, FALSE);
/* free the data */
g_free(data);
return ret;
}
