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author | Mathieu Othacehe <othacehe@gnu.org> | 2021-10-18 14:33:09 +0000 |
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committer | Mathieu Othacehe <othacehe@gnu.org> | 2021-10-18 14:37:26 +0000 |
commit | e486b2b674badc80627b11077b7df2ac1cab92d8 (patch) | |
tree | 5909547a69c4b185b878c8f0fe8152f1c01fef04 /guix/build/po.scm | |
parent | 0df1eb029efe5ebe3f02e36fa650cae4aaba89ec (diff) | |
parent | 88badc074a5dbebf80115918cf6c0009075154d2 (diff) | |
download | guix-patches-e486b2b674badc80627b11077b7df2ac1cab92d8.tar guix-patches-e486b2b674badc80627b11077b7df2ac1cab92d8.tar.gz |
Merge remote-tracking branch 'signed/master' into core-updates
Diffstat (limited to 'guix/build/po.scm')
-rw-r--r-- | guix/build/po.scm | 117 |
1 files changed, 110 insertions, 7 deletions
diff --git a/guix/build/po.scm b/guix/build/po.scm index eb9690ad1a..7f88164cd8 100644 --- a/guix/build/po.scm +++ b/guix/build/po.scm @@ -1,5 +1,5 @@ ;;; GNU Guix --- Functional package management for GNU -;;; Copyright © 2019 Julien Lepiller <julien@lepiller.eu> +;;; Copyright © 2019, 2021 Julien Lepiller <julien@lepiller.eu> ;;; Copyright © 2020 Ludovic Courtès <ludo@gnu.org> ;;; ;;; This file is part of GNU Guix. @@ -20,17 +20,23 @@ (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)) + #:use-module (ice-9 vlist) + #:use-module (srfi srfi-1) + #:export (read-po-file + translate-cross-references)) ;; A small parser for po files -(define-peg-pattern po-file body (* (or comment entry whitespace))) +(define-peg-pattern po-file body (* (or 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 flags all (and (ignore "#, ") (* comment-chr) (ignore "\n"))) (define-peg-pattern entry all - (and (ignore (* whitespace)) (ignore "msgid ") msgid - (ignore (* whitespace)) (ignore "msgstr ") msgstr)) + (and (* (or flags comment (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 "\\") "\\") @@ -53,7 +59,24 @@ (append (list "\n" prefix) result))))))) (define (parse-tree->assoc parse-tree) - "Converts a po PARSE-TREE to an association list." + "Converts a po PARSE-TREE to an association list, where the key is the msgid +and the value is the msgstr. The result only contains non fuzzy strings." + (define (comments->flags comments) + (match comments + (('flags flags) + (map (lambda (flag) (string->symbol (string-trim-both flag #\space))) + (string-split flags #\,))) + ((? list? comments) + (fold + (lambda (comment res) + (match comment + ((? string? _) res) + (flags + (append (comments->flags flags) + res)))) + '() + comments)))) + (match parse-tree (() '()) ((entry . parse-tree) @@ -66,10 +89,22 @@ ;; empty msgstr (('entry ('msgid msgid) 'msgstr) (parse-tree->assoc parse-tree)) + (('entry _ ('msgid msgid) 'msgstr) + (parse-tree->assoc parse-tree)) + (('entry ('msgid msgid) ('msgstr msgstr)) + (acons (interpret-newline-escape msgid) + (interpret-newline-escape msgstr) + (parse-tree->assoc parse-tree))) (('entry ('msgid msgid) ('msgstr msgstr)) (acons (interpret-newline-escape msgid) (interpret-newline-escape msgstr) - (parse-tree->assoc parse-tree))))))) + (parse-tree->assoc parse-tree))) + (('entry comments ('msgid msgid) ('msgstr msgstr)) + (if (member 'fuzzy (comments->flags comments)) + (parse-tree->assoc parse-tree) + (acons (interpret-newline-escape msgid) + (interpret-newline-escape msgstr) + (parse-tree->assoc parse-tree)))))))) (define (read-po-file port) "Read a .po file from PORT and return an alist of msgid and msgstr." @@ -77,3 +112,71 @@ po-file (get-string-all port))))) (parse-tree->assoc tree))) + +(define (canonicalize-whitespace str) + "Change whitespace (newlines, etc.) in STR to @code{#\\space}." + (string-map (lambda (chr) + (if (char-set-contains? char-set:whitespace chr) + #\space + chr)) + str)) + +(define xref-regexp + ;; Texinfo cross-reference regexp. + (make-regexp "@(px|x)?ref\\{([^,}]+)")) + +(define (translate-cross-references texi pofile) + "Translate the cross-references that appear in @var{texi}, the initial +translation of a Texinfo file, using the msgid/msgstr pairs from @var{pofile}." + (define translations + (call-with-input-file pofile read-po-file)) + + (define content + (call-with-input-file texi get-string-all)) + + (define matches + (list-matches xref-regexp content)) + + (define translation-map + (fold (match-lambda* + (((msgid . str) result) + (vhash-cons msgid str result))) + vlist-null + translations)) + + (define translated + ;; Iterate over MATCHES and replace cross-references with their + ;; translation found in TRANSLATION-MAP. (We can't use + ;; 'substitute*' because matches can span multiple lines.) + (let loop ((matches matches) + (offset 0) + (result '())) + (match matches + (() + (string-concatenate-reverse + (cons (string-drop content offset) result))) + ((head . tail) + (let ((prefix (match:substring head 1)) + (ref (canonicalize-whitespace (match:substring head 2)))) + (define translated + (string-append "@" (or prefix "") + "ref{" + (match (vhash-assoc ref translation-map) + (#f ref) + ((_ . str) str)))) + + (loop tail + (match:end head) + (append (list translated + (string-take + (string-drop content offset) + (- (match:start head) offset))) + result))))))) + + (format (current-error-port) + "translated ~a cross-references in '~a'~%" + (length matches) texi) + + (call-with-output-file texi + (lambda (port) + (display translated port)))) |