nitiwiki: fix link lookup on root

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

diff --git a/contrib/nitiwiki/src/wiki_links.nit b/contrib/nitiwiki/src/wiki_links.nit
index bfdeb86..b542ff2 100644 (file)
--- a/contrib/nitiwiki/src/wiki_links.nit
+++ b/contrib/nitiwiki/src/wiki_links.nit
@@ -29,7 +29,7 @@ redef class Nitiwiki
        #
        # Returns `null` if no article can be found.
        fun lookup_entry_by_name(context: WikiEntry, name: String): nullable WikiEntry do
-               var section = context.parent
+               var section: nullable WikiEntry = context.parent or else context
                var res = section.lookup_entry_by_name(name)
                if res != null then return res
                while section != null do
@@ -50,7 +50,7 @@ redef class Nitiwiki
        #
        # Returns `null` if no article can be found.
        fun lookup_entry_by_title(context: WikiEntry, title: String): nullable WikiEntry do
-               var section = context.parent
+               var section: nullable WikiEntry = context.parent or else context
                var res = section.lookup_entry_by_title(title)
                if res != null then return res
                while section != null do
@@ -70,7 +70,7 @@ redef class Nitiwiki
        #
        # Returns `null` if no article can be found.
        fun lookup_entry_by_path(context: WikiEntry, path: String): nullable WikiEntry do
-               var entry = context.parent
+               var entry: nullable WikiEntry = context.parent or else context
                var parts = path.split_with("/")
                if path.has_prefix("/") then
                        entry = root_section