lib/database: index user headers.

[notmuch] / lib / database.cc

diff --git a/lib/database.cc b/lib/database.cc
index dd1c1c7d8f7848edd0a675234561fc2f3ec95e4b..4c4c9edc0b870241125ae8a06c2b2a76b322d3e0 100644 (file)
--- a/lib/database.cc
+++ b/lib/database.cc
@@ -322,6 +322,12 @@ _setup_query_field_default (const prefix_t *prefix, notmuch_database_t *notmuch)
        notmuch->query_parser->add_boolean_prefix (prefix->name, prefix->prefix);
 }
 
+notmuch_string_map_iterator_t *
+_notmuch_database_user_headers (notmuch_database_t *notmuch)
+{
+    return _notmuch_string_map_iterator_create (notmuch->user_header, "", false);
+}
+
 const char *
 _user_prefix (void *ctx, const char* name)
 {
@@ -334,6 +340,14 @@ _setup_user_query_fields (notmuch_database_t *notmuch)
     notmuch_config_list_t *list;
     notmuch_status_t status;
 
+    notmuch->user_prefix = _notmuch_string_map_create (notmuch);
+    if (notmuch->user_prefix == NULL)
+       return NOTMUCH_STATUS_OUT_OF_MEMORY;
+
+    notmuch->user_header = _notmuch_string_map_create (notmuch);
+    if (notmuch->user_header == NULL)
+       return NOTMUCH_STATUS_OUT_OF_MEMORY;
+
     status = notmuch_database_get_config_list (notmuch, CONFIG_HEADER_PREFIX, &list);
     if (status)
        return status;
@@ -345,6 +359,14 @@ _setup_user_query_fields (notmuch_database_t *notmuch)
        const char *key = notmuch_config_list_key (list)
            + sizeof (CONFIG_HEADER_PREFIX) - 1;
 
+       _notmuch_string_map_append (notmuch->user_prefix,
+                                   key,
+                                   _user_prefix (notmuch, key));
+
+       _notmuch_string_map_append (notmuch->user_header,
+                                   key,
+                                   notmuch_config_list_value (list));
+
        query_field.name = talloc_strdup (notmuch, key);
        query_field.prefix = _user_prefix (notmuch, key);
        query_field.flags = NOTMUCH_FIELD_PROBABILISTIC
@@ -406,6 +428,26 @@ _find_prefix (const char *name)
     return "";
 }
 
+/* Like find prefix, but include the possibility of user defined
+ * prefixes specific to this database */
+
+const char *
+_notmuch_database_prefix (notmuch_database_t *notmuch, const char *name)
+{
+    unsigned int i;
+
+    /*XXX TODO: reduce code duplication */
+    for (i = 0; i < ARRAY_SIZE (prefix_table); i++) {
+       if (strcmp (name, prefix_table[i].name) == 0)
+           return prefix_table[i].prefix;
+    }
+
+    if (notmuch->user_prefix)
+       return _notmuch_string_map_get (notmuch->user_prefix, name);
+
+    return NULL;
+}
+
 static const struct {
     /* NOTMUCH_FEATURE_* value. */
     _notmuch_features value;