38 lines
1.1 KiB
Plaintext
38 lines
1.1 KiB
Plaintext
|
module Xendconfsxp =
|
||
|
|
autoload xfm
|
||
|
|
|
||
|
|
let spc1 = /[ \t\n]+/
|
||
|
|
let ws = del spc1 " "
|
||
|
|
|
||
|
|
let lbrack = del /[ \t]*\([ \t\n]*/ "("
|
||
|
|
let rbrack = del /[ \t\n]*\)/ ")"
|
||
|
|
|
||
|
|
let empty_line = [ del /[ \t]*\n/ "\n" ]
|
||
|
|
|
||
|
|
let no_ws_comment =
|
||
|
|
[ label "#comment" . del /#[ \t]*/ "# " . store /[^ \t]+[^\n]*/ . del /\n/ "\n" ]
|
||
|
|
|
||
|
|
let standalone_comment = [ label "#scomment" . del /#/ "#" . store /.*/ . del /\n/ "\n" ]
|
||
|
|
(* Minor bug: The initial whitespace is stored, not deleted. *)
|
||
|
|
|
||
|
|
let ws_and_comment = ws . no_ws_comment
|
||
|
|
|
||
|
|
(* Either a word or a quoted string *)
|
||
|
|
let str_store = store /[A-Za-z0-9_.\/-]+|\"([^\"\\\\]|(\\\\.))*\"|'([^'\\\\]|(\\\\.))*'/
|
||
|
|
|
||
|
|
let str = [ label "string" . str_store ]
|
||
|
|
|
||
|
|
let var_name = key Rx.word
|
||
|
|
|
||
|
|
let rec thing =
|
||
|
|
let array = [ label "array" . lbrack . Build.opt_list thing ws . ws_and_comment? . rbrack ] in
|
||
|
|
let str = [ label "item" . str_store ] in
|
||
|
|
str | array
|
||
|
|
|
||
|
|
let sexpr = [ lbrack . var_name . ws . no_ws_comment? . thing . ws_and_comment? . rbrack ]
|
||
|
|
|
||
|
|
let lns = ( empty_line | standalone_comment | sexpr ) *
|
||
|
|
|
||
|
|
let filter = incl "xend-config.sxp"
|
||
|
|
let xfm = transform lns filter
|