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authorJulien Lepiller <julien@lepiller.eu>2019-04-26 14:54:52 +0200
committerJulien Lepiller <julien@lepiller.eu>2019-04-27 17:13:18 +0200
commit554b30d2aca0cb27804d92863b87209593b023c6 (patch)
treecb86c93bce541df721086ec61fe175beb962df15 /guix/build
parent0c329bf4b0c00abdc9a7d9c818d36d4d60b3005d (diff)
self: Rebuild translated manuals.
* guix/self.scm (info-manual): Run po4a and related commands to generate translated texi files before building translated manuals. * guix/build/po.scm: New file. * Makefile.am (MODULES_NOT_COMPILED): Add it.
Diffstat (limited to 'guix/build')
-rw-r--r--guix/build/po.scm69
1 files changed, 69 insertions, 0 deletions
diff --git a/guix/build/po.scm b/guix/build/po.scm
new file mode 100644
index 0000000000..47ff67541c
--- /dev/null
+++ b/guix/build/po.scm
@@ -0,0 +1,69 @@
+;;; GNU Guix --- Functional package management for GNU
+;;; Copyright © 2019 Julien Lepiller <julien@lepiller.eu>
+;;;
+;;; This file is part of GNU Guix.
+;;;
+;;; GNU Guix is free software; you can redistribute it and/or modify it
+;;; under the terms of the GNU General Public License as published by
+;;; the Free Software Foundation; either version 3 of the License, or (at
+;;; your option) any later version.
+;;;
+;;; GNU Guix is distributed in the hope that it will be useful, but
+;;; WITHOUT ANY WARRANTY; without even the implied warranty of
+;;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+;;; GNU General Public License for more details.
+;;;
+;;; You should have received a copy of the GNU General Public License
+;;; along with GNU Guix. If not, see <http://www.gnu.org/licenses/>.
+
+(define-module (guix build po)
+ #:use-module (ice-9 match)
+ #:use-module (ice-9 peg)
+ #:use-module (ice-9 regex)
+ #:use-module (ice-9 textual-ports)
+ #:export (read-po-file))
+
+;; A small parser for po files
+(define-peg-pattern po-file body (* (or comment entry whitespace)))
+(define-peg-pattern whitespace body (or " " "\t" "\n"))
+(define-peg-pattern comment-chr body (range #\space #\頋))
+(define-peg-pattern comment none (and "#" (* comment-chr) "\n"))
+(define-peg-pattern entry all
+ (and (ignore (* whitespace)) (ignore "msgid ") msgid
+ (ignore (* whitespace)) (ignore "msgstr ") msgstr))
+(define-peg-pattern escape body (or "\\\\" "\\\"" "\\n"))
+(define-peg-pattern str-chr body (or " " "!" (and (ignore "\\") "\"")
+ "\\n" (and (ignore "\\") "\\")
+ (range #\# #\頋)))
+(define-peg-pattern msgid all content)
+(define-peg-pattern msgstr all content)
+(define-peg-pattern content body
+ (and (ignore "\"") (* str-chr) (ignore "\"")
+ (? (and (ignore (* whitespace)) content))))
+
+(define (parse-tree->assoc parse-tree)
+ "Converts a po PARSE-TREE to an association list."
+ (define regex (make-regexp "\\\\n"))
+ (match parse-tree
+ ('() '())
+ ((entry parse-tree ...)
+ (match entry
+ ((? string? entry)
+ (parse-tree->assoc parse-tree))
+ ;; empty msgid
+ (('entry ('msgid ('msgstr msgstr)))
+ (parse-tree->assoc parse-tree))
+ ;; empty msgstr
+ (('entry ('msgid msgid) 'msgstr)
+ (parse-tree->assoc parse-tree))
+ (('entry ('msgid msgid) ('msgstr msgstr))
+ (acons (regexp-substitute/global #f regex msgid 'pre "\n" 'post)
+ (regexp-substitute/global #f regex msgstr 'pre "\n" 'post)
+ (parse-tree->assoc parse-tree)))))))
+
+(define (read-po-file port)
+ "Read a .po file from PORT and return an alist of msgid and msgstr."
+ (let ((tree (peg:tree (match-pattern
+ po-file
+ (get-string-all port)))))
+ (parse-tree->assoc tree)))