X-Git-Url: https://git.notmuchmail.org/git?p=notmuch;a=blobdiff_plain;f=tag-util.c;h=1837b1aeafa347cfe6840ec70add6426d3a8f3f1;hp=17d7ac2f28ace0fa377bfb069fdff06fcabb36e9;hb=HEAD;hpb=1325e1afb9d93a26644803ec396ed2d87bf8b340

diff --git a/tag-util.c b/tag-util.c
index 17d7ac2f..accf299e 100644
--- a/tag-util.c
+++ b/tag-util.c
@@ -7,7 +7,7 @@
 
 struct _tag_operation_t {
     const char *tag;
-    notmuch_bool_t remove;
+    bool remove;
 };
 
 struct _tag_op_list_t {
@@ -28,9 +28,29 @@ line_error (tag_parse_status_t status,
     fprintf (stderr, status < 0 ? "Error: " : "Warning: ");
     vfprintf (stderr, format, va_args);
     fprintf (stderr, " [%s]\n", line);
+
+    va_end (va_args);
+
     return status;
 }
 
+const char *
+illegal_tag (const char *tag, bool remove)
+{
+    if (*tag == '\0' && ! remove)
+	return "empty tag forbidden";
+
+    /* This disallows adding tags starting with "-", in particular the
+     * non-removable tag "-" and enables notmuch tag to take long
+     * options more easily.
+     */
+
+    if (*tag == '-' && ! remove)
+	return "tag starting with '-' forbidden";
+
+    return NULL;
+}
+
 tag_parse_status_t
 parse_tag_line (void *ctx, char *line,
 		tag_op_flag_t flags,
@@ -64,7 +84,7 @@ parse_tag_line (void *ctx, char *line,
 
     /* Parse tags. */
     while ((tok = strtok_len (tok + tok_len, " ", &tok_len)) != NULL) {
-	notmuch_bool_t remove;
+	bool remove;
 	char *tag;
 
 	/* Optional explicit end of tags marker. */
@@ -95,11 +115,13 @@ parse_tag_line (void *ctx, char *line,
 	remove = (*tok == '-');
 	tag = tok + 1;
 
-	/* Maybe refuse empty tags. */
-	if (! (flags & TAG_FLAG_BE_GENEROUS) && *tag == '\0') {
-	    ret = line_error (TAG_PARSE_INVALID, line_for_error,
-			      "empty tag");
-	    goto DONE;
+	/* Maybe refuse illegal tags. */
+	if (! (flags & TAG_FLAG_BE_GENEROUS)) {
+	    const char *msg = illegal_tag (tag, remove);
+	    if (msg) {
+		ret = line_error (TAG_PARSE_INVALID, line_for_error, msg);
+		goto DONE;
+	    }
 	}
 
 	/* Decode tag. */
@@ -124,12 +146,6 @@ parse_tag_line (void *ctx, char *line,
     }
 
     /* tok now points to the query string */
-    if (hex_decode_inplace (tok) != HEX_SUCCESS) {
-	ret = line_error (TAG_PARSE_INVALID, line_for_error,
-			  "hex decoding of query %s failed", tok);
-	goto DONE;
-    }
-
     *query_string = tok;
 
   DONE:
@@ -137,6 +153,44 @@ parse_tag_line (void *ctx, char *line,
     return ret;
 }
 
+tag_parse_status_t
+parse_tag_command_line (void *ctx, int argc, char **argv,
+			char **query_str, tag_op_list_t *tag_ops)
+{
+    int i;
+
+    for (i = 0; i < argc; i++) {
+	if (strcmp (argv[i], "--") == 0) {
+	    i++;
+	    break;
+	}
+
+	if (argv[i][0] != '+' && argv[i][0] != '-')
+	    break;
+
+	bool is_remove = argv[i][0] == '-';
+	const char *msg;
+
+	msg = illegal_tag (argv[i] + 1, is_remove);
+	if (msg) {
+	    fprintf (stderr, "Error: %s\n", msg);
+	    return TAG_PARSE_INVALID;
+	}
+
+	tag_op_list_append (tag_ops, argv[i] + 1, is_remove);
+    }
+
+    *query_str = query_string_from_args (ctx, argc - i, &argv[i]);
+
+    if (*query_str == NULL) {
+	fprintf (stderr, "Out of memory.\n");
+	return TAG_PARSE_OUT_OF_MEMORY;
+    }
+
+    return TAG_PARSE_SUCCESS;
+}
+
+
 static inline void
 message_error (notmuch_message_t *message,
 	       notmuch_status_t status,
@@ -149,6 +203,8 @@ message_error (notmuch_message_t *message,
     vfprintf (stderr, format, va_args);
     fprintf (stderr, "Message-ID: %s\n", notmuch_message_get_message_id (message));
     fprintf (stderr, "Status: %s\n", notmuch_status_to_string (status));
+
+    va_end (va_args);
 }
 
 static int
@@ -156,14 +212,12 @@ makes_changes (notmuch_message_t *message,
 	       tag_op_list_t *list,
 	       tag_op_flag_t flags)
 {
-
     size_t i;
 
     notmuch_tags_t *tags;
-    notmuch_bool_t changes = FALSE;
+    bool changes = false;
 
     /* First, do we delete an existing tag? */
-    changes = FALSE;
     for (tags = notmuch_message_get_tags (message);
 	 ! changes && notmuch_tags_valid (tags);
 	 notmuch_tags_move_to_next (tags)) {
@@ -185,11 +239,11 @@ makes_changes (notmuch_message_t *message,
     notmuch_tags_destroy (tags);
 
     if (changes)
-	return TRUE;
+	return true;
 
     /* Now check for adding new tags */
     for (i = 0; i < list->count; i++) {
-	notmuch_bool_t exists = FALSE;
+	bool exists = false;
 
 	if (list->ops[i].remove)
 	    continue;
@@ -199,7 +253,7 @@ makes_changes (notmuch_message_t *message,
 	     notmuch_tags_move_to_next (tags)) {
 	    const char *cur_tag = notmuch_tags_get (tags);
 	    if (strcmp (cur_tag, list->ops[i].tag) == 0) {
-		exists = TRUE;
+		exists = true;
 		break;
 	    }
 	}
@@ -210,9 +264,9 @@ makes_changes (notmuch_message_t *message,
 	 * but this is OK from a correctness point of view
 	 */
 	if (! exists)
-	    return TRUE;
+	    return true;
     }
-    return FALSE;
+    return false;
 
 }
 
@@ -269,7 +323,7 @@ tag_op_list_apply (notmuch_message_t *message,
     if (flags & TAG_FLAG_MAILDIR_SYNC) {
 	status = notmuch_message_tags_to_maildir_flags (message);
 	if (status) {
-	    message_error (message, status, "synching tags to maildir");
+	    message_error (message, status, "syncing tags to maildir");
 	    return status;
 	}
     }
@@ -305,7 +359,7 @@ tag_op_list_create (void *ctx)
 int
 tag_op_list_append (tag_op_list_t *list,
 		    const char *tag,
-		    notmuch_bool_t remove)
+		    bool remove)
 {
     /* Make room if current array is full.  This should be a fairly
      * rare case, considering the initial array size.
@@ -333,7 +387,7 @@ tag_op_list_append (tag_op_list_t *list,
  *   Is the i'th tag operation a remove?
  */
 
-notmuch_bool_t
+bool
 tag_op_list_isremove (const tag_op_list_t *list, size_t i)
 {
     assert (i < list->count);