X-Git-Url: http://git.annexia.org/?p=ocaml-augeas.git;a=blobdiff_plain;f=augeas.mli;h=a896270a0c12f0f6230cd57fd74fea60d4ff4709;hp=bada127ed7959d19740f268720d6980175828876;hb=f7638380d5d7b67773ae149c4d3206a716dc9a13;hpb=4064f0ec2e3e65b9a611ff7a9721bd3977a010eb

diff --git a/augeas.mli b/augeas.mli
index bada127..a896270 100644
--- a/augeas.mli
+++ b/augeas.mli
@@ -21,10 +21,6 @@
 type t
   (** Augeas library handle. *)
 
-exception Error of string
-  (** This exception is thrown when the underlying Augeas library
-      returns an error. *)
-
 type flag =
   | AugSaveBackup			(** Rename original with .augsave *)
   | AugSaveNewFile			(** Save changes to .augnew *)
@@ -34,6 +30,32 @@ type flag =
   | AugNoLoad
   (** Flags passed to the {!create} function. *)
 
+type error_code =
+  | AugErrInternal		(** Internal error (bug) *)
+  | AugErrPathX			(** Invalid path expression *)
+  | AugErrNoMatch		(** No match for path expression *)
+  | AugErrMMatch		(** Too many matches for path expression *)
+  | AugErrSyntax		(** Syntax error in lens file *)
+  | AugErrNoLens		(** Lens lookup failed *)
+  | AugErrMXfm			(** Multiple transforms *)
+  | AugErrNoSpan		(** No span for this node *)
+  | AugErrMvDesc		(** Cannot move node into its descendant *)
+  | AugErrCmdRun		(** Failed to execute command *)
+  | AugErrBadArg		(** Invalid argument in funcion call *)
+  | AugErrLabel			(** Invalid label *)
+  | AugErrCpDesc		(** Cannot copy node into its descendant *)
+  | AugErrUnknown of int
+  (** Possible error codes. *)
+
+exception Error of error_code * string * string * string
+  (** This exception is thrown when the underlying Augeas library
+      returns an error.  The tuple represents:
+      - the Augeas error code
+      - the ocaml-augeas error string
+      - the human-readable explanation of the Augeas error, if available
+      - a string with details of the Augeas error
+   *)
+
 type path = string
   (** A path expression.
 
@@ -90,3 +112,6 @@ val count_matches : t -> path -> int
 
 val save : t -> unit
   (** [save t] saves all pending changes to disk. *)
+
+val load : t -> unit
+  (** [load t] loads files into the tree. *)