lib/config: add config values iterator

[notmuch] / lib / config.cc

diff --git a/lib/config.cc b/lib/config.cc
index 8bce7ba8f480fe1f70794c8d987569feca9d6834..0fe9a26823c3dfa4e1cc9c4369b54c3ccf3ff2c0 100644 (file)
--- a/lib/config.cc
+++ b/lib/config.cc
@@ -31,6 +31,13 @@ struct _notmuch_config_list {
     char *current_val;
 };
 
+struct _notmuch_config_values {
+    const char *iterator;
+    size_t tok_len;
+};
+
+static const char * _notmuch_config_key_to_string (notmuch_config_key_t key);
+
 static int
 _notmuch_config_list_destroy (notmuch_config_list_t *list)
 {
@@ -246,12 +253,59 @@ _notmuch_config_load_from_database (notmuch_database_t *notmuch)
     return status;
 }
 
+notmuch_config_values_t *
+notmuch_config_get_values (notmuch_database_t *notmuch, notmuch_config_key_t key)
+{
+    notmuch_config_values_t *values;
+
+    const char *str;
+    const char *key_str = _notmuch_config_key_to_string (key);
+
+    if (! key_str)
+       return NULL;
+
+    str  = _notmuch_string_map_get (notmuch->config, key_str);
+    if (! str)
+       return NULL;
+
+    values = talloc (notmuch, notmuch_config_values_t);
+    if (unlikely(! values))
+       return NULL;
+
+    values->iterator = strsplit_len (str, ';', &(values->tok_len));
+    return values;
+}
+
+notmuch_bool_t
+notmuch_config_values_valid (notmuch_config_values_t *values) {
+    if (! values)
+       return false;
+
+    return (values->iterator != NULL);
+}
+
+const char *
+notmuch_config_values_get (notmuch_config_values_t *values) {
+    return talloc_strndup (values, values->iterator, values->tok_len);
+}
+
+void
+notmuch_config_values_move_to_next (notmuch_config_values_t *values) {
+    values->iterator += values->tok_len;
+    values->iterator = strsplit_len (values->iterator, ';', &(values->tok_len));
+}
+
+void
+notmuch_config_values_destroy (notmuch_config_values_t *values) {
+    talloc_free (values);
+}
+
 notmuch_status_t
 _notmuch_config_load_from_file (notmuch_database_t *notmuch,
                                GKeyFile *file)
 {
     notmuch_status_t status = NOTMUCH_STATUS_SUCCESS;
-    gchar **groups,**keys, *val;
+    gchar **groups, **keys, *val;
 
     if (notmuch->config == NULL)
        notmuch->config = _notmuch_string_map_create (notmuch);
@@ -279,3 +333,83 @@ _notmuch_config_load_from_file (notmuch_database_t *notmuch,
  DONE:
     return status;
 }
+
+static const char *
+_notmuch_config_key_to_string (notmuch_config_key_t key) {
+    switch (key) {
+    case NOTMUCH_CONFIG_DATABASE_PATH:
+       return "database.path";
+    case NOTMUCH_CONFIG_EXCLUDE_TAGS:
+       return "search.exclude_tags";
+    case NOTMUCH_CONFIG_NEW_TAGS:
+       return "new.tags";
+    case NOTMUCH_CONFIG_SYNC_MAILDIR_FLAGS:
+       return "maildir.synchronize_flags";
+    case NOTMUCH_CONFIG_PRIMARY_EMAIL:
+       return "user.primary_email";
+    case NOTMUCH_CONFIG_OTHER_EMAIL:
+       return "user.other_email";
+    case NOTMUCH_CONFIG_USER_NAME:
+       return "user.name";
+    default:
+       return NULL;
+    }
+}
+
+static const char *
+_notmuch_config_default (void *ctx, notmuch_config_key_t key) {
+    char *path;
+
+    switch (key) {
+    case NOTMUCH_CONFIG_DATABASE_PATH:
+       path = getenv ("MAILDIR");
+       if (path)
+           path = talloc_strdup (ctx, path);
+       else
+           path = talloc_asprintf (ctx, "%s/mail",
+                                   getenv ("HOME"));
+       return path;
+    case NOTMUCH_CONFIG_EXCLUDE_TAGS:
+       return "";
+    case NOTMUCH_CONFIG_NEW_TAGS:
+       return "inbox;unread";
+    case NOTMUCH_CONFIG_SYNC_MAILDIR_FLAGS:
+       return "true";
+    case NOTMUCH_CONFIG_USER_NAME:
+    case NOTMUCH_CONFIG_PRIMARY_EMAIL:
+    case NOTMUCH_CONFIG_OTHER_EMAIL:
+       return NULL;
+    default:
+    case NOTMUCH_CONFIG_LAST:
+       INTERNAL_ERROR ("illegal key enum %d", key);
+   }
+}
+
+notmuch_status_t
+_notmuch_config_load_defaults (notmuch_database_t *notmuch) {
+    notmuch_config_key_t key;
+    for (key = NOTMUCH_CONFIG_FIRST;
+        key < NOTMUCH_CONFIG_LAST;
+        key = notmuch_config_key_t(key + 1)) {
+       const char *val = notmuch_config_get (notmuch, key);
+       const char *key_string = _notmuch_config_key_to_string (key);
+
+       val = _notmuch_string_map_get (notmuch->config, key_string);
+       if (! val) {
+           _notmuch_string_map_set (notmuch->config, key_string, _notmuch_config_default (notmuch, key));
+       }
+    }
+    return NOTMUCH_STATUS_SUCCESS;
+}
+
+const char *
+notmuch_config_get (notmuch_database_t *notmuch, notmuch_config_key_t key) {
+
+    return _notmuch_string_map_get (notmuch->config, _notmuch_config_key_to_string (key));
+}
+
+notmuch_status_t
+notmuch_config_set (notmuch_database_t *notmuch, notmuch_config_key_t key, const char *val) {
+
+    return notmuch_database_set_config (notmuch, _notmuch_config_key_to_string (key), val);
+}