lib/ini: remove warnings

Signed-off-by: Alexandre Terrasa <alexandre@moz-code.org>

diff --git a/lib/ini/ini.nit b/lib/ini/ini.nit
index 5e7c671..359a2ba 100644 (file)
--- a/lib/ini/ini.nit
+++ b/lib/ini/ini.nit
@@ -68,8 +68,9 @@ class ConfigTree
                if node == null then return null
                var map = new HashMap[String, String]
                for k, child in node.children do
-                       if child.value == null then continue
-                       map[k] = child.value.to_s
+                       var value = child.value
+                       if value == null then continue
+                       map[k] = value
                end
                return map
        end
@@ -112,8 +113,9 @@ class ConfigTree
        fun to_map: Map[String, String] do
                var map = new HashMap[String, String]
                for node in leaves do
-                       if node.value == null then continue
-                       map[node.key] = node.value.to_s
+                       var value = node.value
+                       if value == null then continue
+                       map[node.key] = value
                end
                return map
        end
@@ -234,9 +236,8 @@ class ConfigTree
        private fun set_array(key: String, value: nullable String) do
                key = key.substring(0, key.length - 2)
                var len = 0
-               if has_key(key) then
-                       len = get_node(key).children.length
-               end
+               var node = get_node(key)
+               if node != null then len = node.children.length
                set_node("{key}.{len.to_s}", value)
        end
 
@@ -306,6 +307,7 @@ private class ConfigNode
        var value: nullable String = null
 
        fun key: String do
+               var parent = self.parent
                if parent == null then
                        return name
                end