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(* 'df' command for virtual domains.
(C) Copyright 2007-2008 Richard W.M. Jones, Red Hat Inc.
http://libvirt.org/
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*)
(* Part of the parser for LVM2 metadata. *)
type metadata = metastmt list
and metastmt = string * metavalue
and metavalue =
| Metadata of metadata (* name { ... } *)
| String of string (* name = "..." *)
| Int of int64
| Float of float
| List of metavalue list (* name = [...] *)
let rec output_metadata chan md =
_output_metadata chan "" md
and _output_metadata chan prefix = function
| [] -> ()
| (name, value) :: rest ->
output_string chan prefix;
output_string chan name;
output_string chan " = ";
output_metavalue chan prefix value;
output_string chan "\n";
_output_metadata chan prefix rest
and output_metavalue chan prefix = function
| Metadata md ->
output_string chan "{\n";
_output_metadata chan (prefix ^ " ") md;
output_string chan prefix;
output_string chan "}\n";
| String str ->
output_char chan '"';
output_string chan str;
output_char chan '"';
| Int i ->
output_string chan (Int64.to_string i)
| Float f ->
output_string chan (string_of_float f)
| List [] -> ()
| List [x] -> output_metavalue chan prefix x
| List (x :: xs) ->
output_metavalue chan prefix x;
output_string chan ", ";
output_metavalue chan prefix (List xs)
|