1 files changed, 40 insertions, 0 deletions
diff --git a/src/config_file.ml b/src/config_file.ml
new file mode 100644
index 0000000..a5ee94f
--- /dev/null
+++ b/src/config_file.ml
@@ -0,0 +1,40 @@
+open Common
+
+type config_file = {
+    basedir : int option ;
+  }
+
+let ignored_packages = ref []
+
+let default = { basedir = None }
+
+
+let config_cache = Hashtbl.create 16
+
+let read dir =
+  try Hashtbl.find config_cache dir with Not_found ->
+  try
+    let file_name = dir ^ "/.perl_checker" in
+    let fh = open_in file_name in
+    let config =
+      fold_lines (fun config line ->
+	match words line with
+	| [ "Basedir"; ".."    ] -> { config with basedir = Some 1 }
+	| [ "Basedir"; "../.." ] -> { config with basedir = Some 2 }
+	| [] -> config (* blank line *)
+	| [ "Ignore"; pkg ]
+	| [ pkg ] (* the deprecated form *)
+	  -> lpush ignored_packages pkg; config
+	| _ -> prerr_endline (Printf.sprintf "bad line \"%s\" in %s" line file_name); config
+      ) default fh
+    in
+    Hashtbl.add config_cache dir config ;
+    if !Flags.verbose then print_endline_flush ("reading config file " ^ file_name);
+    config
+  with Sys_error _ -> default
+
+
+let rec read_any dir depth =
+  if depth = 0 then () else
+  let _ = read dir in
+  read_any (updir dir 1) (depth - 1)