Sharp.Augeas/Sharp.Augeas.Test/lens/cgrules.aug

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(*
Module: cgrules
Parses /etc/cgrules.conf
Author:
Raphael Pinson <raphink@gmail.com>
Ivana Hutarova Varekova <varekova@redhat.com>
About: Licence
This file is licensed under the LGPL v2+, like the rest of Augeas.
About: Lens Usage
Sample usage of this lens in augtool:
About: Configuration files
This lens applies to /etc/cgconfig.conf. See <filter>.
*)
module Cgrules =
autoload xfm
(************************************************************************
* Group: USEFUL PRIMITIVES
*************************************************************************)
(* Group: Separators *)
(* Variable: ws *)
let ws = del /[ \t]+/ " "
(* Group: Comments and empty lines *)
(* Variable: eol *)
let eol = Util.eol
(* Variable: comment *)
let comment = Util.comment
(* Variable: empty *)
let empty = Util.empty
(* Group: Generic primitive definitions *)
(* Variable: name *)
let name = /[^@%# \t\n][^ \t\n]*/
(* Variable: ctrl_key *)
let ctrl_key = /[^ \t\n\/]+/
(* Variable: ctrl_value *)
let ctrl_value = /[^ \t\n]+/
(************************************************************************
* Group: CONTROLLER
*************************************************************************)
(* Variable: controller *)
let controller = ws . [ key ctrl_key . ws . store ctrl_value ]
let more_controller = Util.del_str "%" . controller . eol
(************************************************************************
* Group: RECORDS
*************************************************************************)
let generic_record (lbl:string) (lns:lens) =
[ label lbl . lns
. controller . eol
. more_controller* ]
(* Variable: user_record *)
let user_record = generic_record "user" (store name)
(* Variable: group_record *)
let group_record = generic_record "group" (Util.del_str "@" . store name)
(************************************************************************
* Group: LENS & FILTER
*************************************************************************)
(* View: lns
The main lens, any amount of
* <empty> lines
* <comment>
* <user_record>
* <group_record>
*)
let lns = ( empty | comment | user_record | group_record )*
let xfm = transform lns (incl "/etc/cgrules.conf")