Sharp.Augeas/Sharp.Augeas.Test/lens/phpvars.aug

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2022-11-08 20:57:02 +03:00
(* Phpvars module for Augeas
Author: Free Ekanayaka <free@64studio.com>
Reference: PHP syntax
*)
module Phpvars =
autoload xfm
(************************************************************************
* USEFUL PRIMITIVES
*************************************************************************)
let eol = Util.eol
let empty = Util.empty_c_style
let open_php = del /<\?(php)?[ \t]*\n/i "<?php\n"
let close_php = del /([ \t]*(php)?\?>\n[ \t\n]*)?/i "php?>\n"
let sep_eq = del /[ \t\n]*=[ \t\n]*/ " = "
let sep_opt_spc = Sep.opt_space
let sep_spc = Sep.space
let sep_dollar = del /\$/ "$"
let sep_scl = del /[ \t]*;/ ";"
let chr_blank = /[ \t]/
let chr_nblank = /[^ \t\n]/
let chr_any = /./
let chr_star = /\*/
let chr_nstar = /[^* \t\n]/
let chr_slash = /\//
let chr_nslash = /[^\/ \t\n]/
let chr_variable = /\$[A-Za-z0-9'"_:-]+/
let sto_to_scl = store (/([^ \t\n].*[^ \t\n;]|[^ \t\n;])/ - /.*;[ \t]*(\/\/|#).*/) (* " *)
let sto_to_eol = store /([^ \t\n].*[^ \t\n]|[^ \t\n])/
(************************************************************************
* COMMENTS
*************************************************************************)
(* Both c-style and shell-style comments are valid
Default to c-style *)
let comment_one_line = Util.comment_generic /[ \t]*(\/\/|#)[ \t]*/ "// "
let comment_eol = Util.comment_generic /[ \t]*(\/\/|#)[ \t]*/ " // "
let comment = Util.comment_multiline | comment_one_line
let eol_or_comment = eol | comment_eol
(************************************************************************
* ENTRIES
*************************************************************************)
let simple_line (kw:regexp) (lns:lens) = [ key kw
. lns
. sep_scl
. eol_or_comment ]
let global = simple_line "global" (sep_opt_spc . sep_dollar . sto_to_scl)
let assignment =
let arraykey = [ label "@arraykey" . store /\[[][A-Za-z0-9'"_:-]+\]/ ] in (* " *)
simple_line chr_variable (arraykey? . (sep_eq . sto_to_scl))
let variable = Util.indent . assignment
let classvariable =
Util.indent . del /(public|var)/ "public" . Util.del_ws_spc . assignment
let include = simple_line "@include" (sep_opt_spc . sto_to_scl)
let generic_function (kw:regexp) (lns:lens) =
let lbracket = del /[ \t]*\([ \t]*/ "(" in
let rbracket = del /[ \t]*\)/ ")" in
simple_line kw (lbracket . lns . rbracket)
let define =
let variable_re = /[A-Za-z0-9'_:-]+/ in
let quote = del /["']/ "'" in
let sep_comma = del /["'][ \t]*,[ \t]*/ "', " in
let sto_to_rbracket = store (/[^ \t\n][^\n]*[^ \t\n\)]|[^ \t\n\)]/
- /.*;[ \t]*(\/\/|#).*/) in
generic_function "define" (quote . store variable_re . sep_comma
. [ label "value" . sto_to_rbracket ])
let simple_function (kw:regexp) =
let sto_to_rbracket = store (/[^ \t\n][^\n]*[^ \t\n\)]|[^ \t\n\)]/
- /.*;[ \t]*(\/\/|#).*/) in
generic_function kw sto_to_rbracket
let entry = Util.indent
. ( global
| include
| define
| simple_function "include"
| simple_function "include_once"
| simple_function "echo" )
let class =
let classname = key /[A-Za-z0-9'"_:-]+/ in (* " *)
del /class[ \t]+/ "class " .
[ classname . Util.del_ws_spc . del "{" "{" .
(empty|comment|entry|classvariable)*
] . del "}" "}"
(************************************************************************
* LENS
*************************************************************************)
let lns = open_php . (empty|comment|entry|class|variable)* . close_php
let filter = incl "/etc/squirrelmail/config.php"
let xfm = transform lns filter