#include "error_util.h"
#include "command-line-arguments.h"
+typedef enum {
+ OPT_FAILED, /* false */
+ OPT_OK, /* good */
+ OPT_GIVEBACK, /* pop one of the arguments you thought you were getting off the stack */
+} opt_handled;
+
/*
Search the array of keywords for a given argument, assigning the
output variable to the corresponding value. Return false if nothing
matches.
*/
-static bool
+static opt_handled
_process_keyword_arg (const notmuch_opt_desc_t *arg_desc, char next,
const char *arg_str, bool negate)
{
else
*arg_desc->opt_keyword = keywords->value;
- return true;
+ return OPT_OK;
+ }
+
+ if (arg_desc->opt_keyword && arg_desc->keyword_no_arg_value && next != ':' && next != '=') {
+ for (keywords = arg_desc->keywords; keywords->name; keywords++) {
+ if (strcmp (arg_desc->keyword_no_arg_value, keywords->name) != 0)
+ continue;
+
+ *arg_desc->opt_keyword = keywords->value;
+ fprintf (stderr, "Warning: No known keyword option given for \"%s\", choosing value \"%s\"."
+ " Please specify the argument explicitly!\n", arg_desc->name, arg_desc->keyword_no_arg_value);
+
+ return OPT_GIVEBACK;
+ }
+ fprintf (stderr, "No matching keyword for option \"%s\" and default value \"%s\" is invalid.\n", arg_str, arg_desc->name);
+ return OPT_FAILED;
}
+
if (next != '\0')
fprintf (stderr, "Unknown keyword argument \"%s\" for option \"%s\".\n", arg_str, arg_desc->name);
else
fprintf (stderr, "Option \"%s\" needs a keyword argument.\n", arg_desc->name);
- return false;
+ return OPT_FAILED;
}
-static bool
+static opt_handled
_process_boolean_arg (const notmuch_opt_desc_t *arg_desc, char next,
const char *arg_str, bool negate)
{
value = false;
} else {
fprintf (stderr, "Unknown argument \"%s\" for (boolean) option \"%s\".\n", arg_str, arg_desc->name);
- return false;
+ return OPT_FAILED;
}
*arg_desc->opt_bool = negate ? !value : value;
- return true;
+ return OPT_OK;
}
-static bool
+static opt_handled
_process_int_arg (const notmuch_opt_desc_t *arg_desc, char next, const char *arg_str) {
char *endptr;
if (next == '\0' || arg_str[0] == '\0') {
fprintf (stderr, "Option \"%s\" needs an integer argument.\n", arg_desc->name);
- return false;
+ return OPT_FAILED;
}
*arg_desc->opt_int = strtol (arg_str, &endptr, 10);
if (*endptr == '\0')
- return true;
+ return OPT_OK;
fprintf (stderr, "Unable to parse argument \"%s\" for option \"%s\" as an integer.\n",
arg_str, arg_desc->name);
- return false;
+ return OPT_FAILED;
}
-static bool
+static opt_handled
_process_string_arg (const notmuch_opt_desc_t *arg_desc, char next, const char *arg_str) {
if (next == '\0') {
fprintf (stderr, "Option \"%s\" needs a string argument.\n", arg_desc->name);
- return false;
+ return OPT_FAILED;
}
if (arg_str[0] == '\0' && ! arg_desc->allow_empty) {
fprintf (stderr, "String argument for option \"%s\" must be non-empty.\n", arg_desc->name);
- return false;
+ return OPT_FAILED;
}
*arg_desc->opt_string = arg_str;
- return true;
+ return OPT_OK;
}
/* Return number of non-NULL opt_* fields in opt_desc. */
if (next != '=' && next != ':' && next != '\0')
continue;
- if (next == '\0' && next_arg != NULL && ! try->opt_bool) {
+ bool lookahead = (next == '\0' && next_arg != NULL && ! try->opt_bool);
+
+ if (lookahead) {
next = ' ';
value = next_arg;
opt_index ++;
}
- bool opt_status = false;
+ opt_handled opt_status = OPT_FAILED;
if (try->opt_keyword || try->opt_flags)
opt_status = _process_keyword_arg (try, next, value, negate);
else if (try->opt_bool)
else
INTERNAL_ERROR ("unknown or unhandled option \"%s\"", try->name);
- if (! opt_status)
+ if (opt_status == OPT_FAILED)
return -1;
+ if (lookahead && opt_status == OPT_GIVEBACK)
+ opt_index --;
+
if (try->present)
*try->present = true;