X-Git-Url: https://git.notmuchmail.org/git?p=notmuch;a=blobdiff_plain;f=command-line-arguments.c;h=d64aa85bbb3f2a390b072f6eeccbce3177630ccb;hp=a4a8bb4c87cd7119a80f5136b4fb75904bf1f956;hb=0ada2a05c94de72bc2c7c57a790e92b77af37a42;hpb=07a6214233ebc1a9c228acae674cffe68d0908ea

diff --git a/command-line-arguments.c b/command-line-arguments.c
index a4a8bb4c..d64aa85b 100644
--- a/command-line-arguments.c
+++ b/command-line-arguments.c
@@ -4,13 +4,19 @@
 #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)
 {
@@ -32,16 +38,32 @@ _process_keyword_arg (const notmuch_opt_desc_t *arg_desc, char next,
 	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)
 {
@@ -53,45 +75,45 @@ _process_boolean_arg (const notmuch_opt_desc_t *arg_desc, char next,
 	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. */
@@ -212,13 +234,15 @@ parse_option (int argc, char **argv, const notmuch_opt_desc_t *options, int opt_
 	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)
@@ -230,9 +254,12 @@ parse_option (int argc, char **argv, const notmuch_opt_desc_t *options, int opt_
 	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;