Sharp.Augeas/Sharp.Augeas.Test/lens/debctrl.aug

132 lines
3.6 KiB
Plaintext

(*
Module: debctrl
Parses ./debian/control
Author:
Dominique Dumont domi.dumont@free.fr or dominique.dumont@hp.com
About: Reference
http://augeas.net/page/Create_a_lens_from_bottom_to_top
http://www.debian.org/doc/debian-policy/ch-controlfields.html
About: License
This file is licensed under the LGPL v2+.
About: Lens Usage
Since control file is not a system configuration file, you will have
to use augtool -r option to point to 'debian' directory.
Run augtool:
$ augtool -r debian
Sample usage of this lens in augtool:
* Get the value stored in control file
> print /files/control
...
Saving your file:
> save
*)
module Debctrl =
autoload xfm
let eol = Util.eol
let del_ws_spc = del /[\t ]*/ " "
let hardeol = del /\n/ "\n"
let del_opt_ws = del /[\t ]*/ ""
let colon = del /:[ \t]*/ ": "
let simple_entry (k:regexp) =
let value = store /[^ \t][^\n]+/ in
[ key k . colon . value . hardeol ]
let cont_line = del /\n[ \t]+/ "\n "
let comma = del /,[ \t]*/ ", "
let sep_comma_with_nl = del /[ \t\n]*,[ \t\n]*/ ",\n "
(*= del_opt_ws . cont_line* . comma . cont_line**)
let email = store ( /([A-Za-z]+ )+<[^\n>]+>/ | /[^\n,\t<> ]+/ )
let multi_line_array_entry (k:regexp) (v:lens) =
[ key k . colon . [ counter "array" . seq "array" . v ] .
[ seq "array" . sep_comma_with_nl . v ]* . hardeol ]
(* dependency stuff *)
let version_depends =
[ label "version"
. [ del / *\( */ " ( " . label "relation" . store /[<>=]+/ ]
. [ del_ws_spc . label "number"
. store ( /[a-zA-Z0-9_.-]+/ | /\$\{[a-zA-Z0-9:]+\}/ )
. del / *\)/ " )" ]
]
let arch_depends =
[ label "arch"
. [ del / *\[ */ " [ " . label "prefix" . store /!?/ ]
. [ label "name" . store /[a-zA-Z0-9_.-]+/ . del / *\]/ " ]" ] ]
let package_depends
= [ key ( /[a-zA-Z0-9_-]+/ | /\$\{[a-zA-Z0-9:]+\}/ )
. ( version_depends | arch_depends ) * ]
let dependency = [ label "or" . package_depends ]
. [ label "or" . del / *\| */ " | "
. package_depends ] *
let dependency_list (field:regexp) =
[ key field . colon . [ label "and" . dependency ]
. [ label "and" . sep_comma_with_nl . dependency ]*
. eol ]
(* source package *)
let uploaders =
multi_line_array_entry /Uploaders/ email
let simple_src_keyword = "Source" | "Section" | "Priority"
| "Standards\-Version" | "Homepage" | /Vcs\-Svn/ | /Vcs\-Browser/
| "Maintainer" | "DM-Upload-Allowed" | /XS?-Python-Version/
let depend_src_keywords = /Build\-Depends/ | /Build\-Depends\-Indep/
let src_entries = ( simple_entry simple_src_keyword
| uploaders
| dependency_list depend_src_keywords ) *
(* package paragraph *)
let multi_line_entry (k:string) =
let line = /.*[^ \t\n].*/ in
[ label k . del / / " " . store line . hardeol ] *
let description
= [ key "Description" . colon
. [ label "summary" . store /[a-zA-Z][^\n]+/ . hardeol ]
. multi_line_entry "text" ]
(* binary package *)
let simple_bin_keywords = "Package" | "Architecture" | "Section"
| "Priority" | "Essential" | "Homepage" | "XB-Python-Version"
let depend_bin_keywords = "Depends" | "Recommends" | "Suggests" | "Provides"
let bin_entries = ( simple_entry simple_bin_keywords
| dependency_list depend_bin_keywords
) + . description
(* The whole stuff *)
let lns = [ label "srcpkg" . src_entries ]
. [ label "binpkg" . hardeol+ . bin_entries ]+
. eol*
(* lens must be used with AUG_ROOT set to debian package source directory *)
let xfm = transform lns (incl "/control")