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(* Parse mail aliases in /etc/aliases *)
module Aliases =
autoload xfm
(************************************************************************
* Group: USEFUL PRIMITIVES
*************************************************************************)
(* Group: basic tokens *)
(* Variable: word *)
let word = /[^\|", \t\n]+/
(* Variable: name *)
let name = /([^ \t\n#:|@]+|"[^"|\n]*")/ (* " make emacs calm down *)
(* Variable: command
* a command can contain spaces, if enclosed in double quotes, the case
* without spaces is taken care with <word>
*)
let command = /\|([^", \t\n]+|"[^"\n]+")/
(* Group: Comments and empty lines *)
(* View: eol *)
let eol = Util.eol
(* View: comment *)
let comment = Util.comment
(* View: empty *)
let empty = Util.empty
(* Group: separators *)
(* View: colon
* Separation between the alias and it's destinations
*)
let colon = del /:[ \t]+/ ":\t"
(* View: comma
* Separation between multiple destinations
*)
let comma = del /[ \t]*,[ \t]*(\n[ \t]+)?/ ", "
(* Group: alias *)
(* View: destination
* Can be either a word (no spaces included) or a command with spaces
*)
let destination = ( word | command )
(* View: value_list
* List of destinations
*)
let value_list = Build.opt_list ([ label "value" . store destination]) comma
(* View: alias
* a name with one or more destinations
*)
let alias = [ seq "alias" .
[ label "name" . store name ] . colon .
value_list
] . eol
let lns = (comment | empty | alias)*
let xfm = transform lns (incl "/etc/aliases")
(* Local Variables: *)
(* mode: caml *)
(* End: *)
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