/* This tab completion is simply to workaround the fact that we throw tecla
* off by trying to complete filenames in our "file=" rx/tx command parameters.
*
* In the future, we could additional command/parameter completions here...
*/
int tab_completion(WordCompletion *cpl, void *data, const char *line, int w_end)
{
static const char file_param[] = "file=";
char *param = strstr(line, file_param);
int ret;
if (param != NULL) {
/* [0] up to "file=" */
const size_t param_off = param - line;
/* Length of everything after "file=" */
const size_t remainder = strlen(param) - strlen(file_param);
char *modified_line;
modified_line = calloc(strlen(line) - strlen(file_param) + 1, 1);
if (modified_line != NULL) {
strncpy(modified_line, line, param_off);
strncpy(modified_line + strlen(modified_line),
line + param_off + strlen(file_param),
remainder);
ret = cpl_file_completions(cpl, data, modified_line,
strlen(modified_line));
free(modified_line);
return ret;
} else {
cpl_record_error(cpl, "calloc() failure");
return 1;
}
}
return cpl_file_completions(cpl, data, line, w_end);
}
/*.......................................................................
* This completion callback searches for completions of executables in
* the user's path when invoked on a word at the start of the path, and
* performs normal filename completion elsewhere.
*/
static CPL_MATCH_FN(demo_cpl_fn)
{
/*
* Get the resource object that was passed to gl_customize_completion().
*/
DemoRes *res = (DemoRes *) data;
/*
* Find the start of the filename prefix to be completed, searching
* backwards for the first unescaped space, or the start of the line.
*/
char *start = start_of_path(line, word_end);
/*
* Skip spaces preceding the start of the prefix.
*/
while(start > line && isspace((int)(unsigned char) start[-1]))
start--;
/*
* If the filename prefix is at the start of the line, attempt
* to complete the filename as a command in the path. Otherwise
* perform normal filename completion.
*/
return (start == line) ?
pca_path_completions(cpl, res->ppc, line, word_end) :
cpl_file_completions(cpl, NULL, line, word_end);
}
static
CPL_MATCH_FN(complete_single_xml_file_arg)
{
const char *arg1 = data;
int arg1end_i, ret;
CplFileConf *cfc;
arg1end_i = arg1 + strcspn(arg1, whitespace) - line;
if (arg1end_i < word_end)
return (0);
cfc = new_CplFileConf();
if (cfc == NULL) {
cpl_record_error(cpl, "Out of memory.");
return (1);
}
cfc_set_check_fn(cfc, check_xml, NULL);
ret = cpl_file_completions(cpl, cfc, line, word_end);
(void) del_CplFileConf(cfc);
return (ret);
}
