lib/open: load default values for known configuration keys.

[notmuch] / lib / config.cc

diff --git a/lib/config.cc b/lib/config.cc
index c07b607b840ddae8cdcfbb4a302d545c5cc89ab6..a6b75913017087c441935b12d1ebef94a7a1ad76 100644 (file)
--- a/lib/config.cc
+++ b/lib/config.cc
@@ -31,6 +31,8 @@ struct _notmuch_config_list {
     char *current_val;
 };
 
+static const char * _notmuch_config_key_to_string (notmuch_config_key_t key);
+
 static int
 _notmuch_config_list_destroy (notmuch_config_list_t *list)
 {
@@ -280,7 +282,7 @@ _notmuch_config_load_from_file (notmuch_database_t *notmuch,
     return status;
 }
 
-const char *
+static const char *
 _notmuch_config_key_to_string (notmuch_config_key_t key) {
     switch (key) {
     case NOTMUCH_CONFIG_DATABASE_PATH:
@@ -302,6 +304,52 @@ _notmuch_config_key_to_string (notmuch_config_key_t key) {
     }
 }
 
+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) {