From 62fc6fdb4c03c1f7738694730a642c435d7a4a6a Mon Sep 17 00:00:00 2001 From: Ludovic Courtès Date: Mon, 17 Jan 2022 22:28:52 +0100 Subject: doc: Extract (localization) module. * doc/build.scm (localization-helper-module): New procedure. (html-manual-indexes)[build]: Use it. Remove use of GUILE-JSON-3. --- doc/build.scm | 412 ++++++++++++++++++++++++++++++---------------------------- 1 file changed, 216 insertions(+), 196 deletions(-) (limited to 'doc') diff --git a/doc/build.scm b/doc/build.scm index 9860675841..7282809643 100644 --- a/doc/build.scm +++ b/doc/build.scm @@ -825,6 +825,98 @@ (define directory (computed-file "guix-manual-po" build)) +(define* (localization-helper-module source + #:optional (languages %languages)) + "Return a file-like object for use as the (localization) module. SOURCE +must be the Guix top-level source directory, from which PO files are taken." + (define content + (with-extensions (list guile-json-3) + #~(begin + (define-module (localization) + #:use-module (json) + #:use-module (srfi srfi-1) + #:use-module (srfi srfi-19) + #:use-module (ice-9 match) + #:use-module (ice-9 popen) + #:export (normalize + with-language + translate + language-code->name + seconds->string)) + + (define (normalize language) ;XXX: deduplicate + ;; Normalize LANGUAGE. For instance, "zh_CN" becomes "zh-cn". + (string-map (match-lambda + (#\_ #\-) + (chr chr)) + (string-downcase language))) + + (define-syntax-rule (with-language language exp ...) + (let ((lang (getenv "LANGUAGE"))) + (dynamic-wind + (lambda () + (setenv "LANGUAGE" language) + (setlocale LC_MESSAGES)) + (lambda () exp ...) + (lambda () + (if lang + (setenv "LANGUAGE" lang) + (unsetenv "LANGUAGE")) + (setlocale LC_MESSAGES))))) + + ;; (put 'with-language 'scheme-indent-function 1) + (define* (translate str language + #:key (domain "guix-manual")) + (define exp + `(begin + (bindtextdomain "guix-manual" + #+(guix-manual-text-domain + source + languages)) + (bindtextdomain "iso_639-3" ;language names + #+(file-append iso-codes + "/share/locale")) + (write (gettext ,str ,domain)))) + + (with-language language + ;; Since the 'gettext' function caches msgid translations, + ;; regardless of $LANGUAGE, we have to spawn a new process each + ;; time we want to translate to a different language. Bah! + (let* ((pipe (open-pipe* OPEN_READ + #+(file-append guile-3.0 + "/bin/guile") + "-c" (object->string exp))) + (str (read pipe))) + (close-pipe pipe) + str))) + + (define %iso639-languages + (vector->list + (assoc-ref (call-with-input-file + #+(file-append iso-codes + "/share/iso-codes/json/iso_639-3.json") + json->scm) + "639-3"))) + + (define (language-code->name code) + "Return the full name of a language from its ISO-639-3 code." + (let ((code (match (string-index code #\_) + (#f code) + (index (string-take code index))))) + (any (lambda (language) + (and (string=? (or (assoc-ref language "alpha_2") + (assoc-ref language "alpha_3")) + code) + (assoc-ref language "name"))) + %iso639-languages))) + + (define (seconds->string seconds language) + (let* ((time (make-time time-utc 0 seconds)) + (date (time-utc->date time))) + (with-language language (date->string date "~e ~B ~Y"))))))) + + (scheme-file "localization.scm" content)) + (define* (html-manual-indexes source #:key (languages %languages) (version "0.0") @@ -834,207 +926,135 @@ (define* (html-manual-indexes source "GNU Guix Cookbook")) (date 1)) (define build - (with-extensions (list guile-json-3) - (with-imported-modules '((guix build utils)) - #~(begin - (use-modules (guix build utils) - (json) - (ice-9 match) - (ice-9 popen) - (sxml simple) - (srfi srfi-1) - (srfi srfi-19)) - - (define (normalize language) ;XXX: deduplicate - ;; Normalize LANGUAGE. For instance, "zh_CN" becomes "zh-cn". - (string-map (match-lambda - (#\_ #\-) - (chr chr)) - (string-downcase language))) - - (define-syntax-rule (with-language language exp ...) - (let ((lang (getenv "LANGUAGE"))) - (dynamic-wind - (lambda () - (setenv "LANGUAGE" language) - (setlocale LC_MESSAGES)) - (lambda () exp ...) - (lambda () - (if lang - (setenv "LANGUAGE" lang) - (unsetenv "LANGUAGE")) - (setlocale LC_MESSAGES))))) - - ;; (put 'with-language 'scheme-indent-function 1) - (define* (translate str language - #:key (domain "guix-manual")) - (define exp - `(begin - (bindtextdomain "guix-manual" - #+(guix-manual-text-domain - source - languages)) - (bindtextdomain "iso_639-3" ;language names - #+(file-append iso-codes - "/share/locale")) - (write (gettext ,str ,domain)))) - - (with-language language - ;; Since the 'gettext' function caches msgid translations, - ;; regardless of $LANGUAGE, we have to spawn a new process each - ;; time we want to translate to a different language. Bah! - (let* ((pipe (open-pipe* OPEN_READ - #+(file-append guile-2.2 - "/bin/guile") - "-c" (object->string exp))) - (str (read pipe))) - (close-pipe pipe) - str))) - - (define (seconds->string seconds language) - (let* ((time (make-time time-utc 0 seconds)) - (date (time-utc->date time))) - (with-language language (date->string date "~e ~B ~Y")))) - - (define (guix-url path) - (string-append #$%web-site-url path)) - - (define (sxml-index language title body) - ;; FIXME: Avoid duplicating styling info from guix-artwork.git. - `(html (@ (lang ,language)) - (head - (title ,(string-append title " — GNU Guix")) - (meta (@ (charset "UTF-8"))) - (meta (@ (name "viewport") (content "width=device-width, initial-scale=1.0"))) - ;; Menu prefetch. - (link (@ (rel "prefetch") (href ,(guix-url "menu/index.html")))) - ;; Base CSS. - (link (@ (rel "stylesheet") (href ,(guix-url "static/base/css/elements.css")))) - (link (@ (rel "stylesheet") (href ,(guix-url "static/base/css/common.css")))) - (link (@ (rel "stylesheet") (href ,(guix-url "static/base/css/messages.css")))) - (link (@ (rel "stylesheet") (href ,(guix-url "static/base/css/navbar.css")))) - (link (@ (rel "stylesheet") (href ,(guix-url "static/base/css/breadcrumbs.css")))) - (link (@ (rel "stylesheet") (href ,(guix-url "static/base/css/buttons.css")))) - (link (@ (rel "stylesheet") (href ,(guix-url "static/base/css/footer.css")))) - - (link (@ (rel "stylesheet") (href ,(guix-url "static/base/css/page.css")))) - (link (@ (rel "stylesheet") (href ,(guix-url "static/base/css/post.css"))))) - (body - (header (@ (class "navbar")) - (h1 (a (@ (class "branding") - (href #$%web-site-url))) - (span (@ (class "a11y-offset")) - "Guix")) - (nav (@ (class "menu")))) - (nav (@ (class "breadcrumbs")) - (a (@ (class "crumb") - (href #$%web-site-url)) - "Home")) - ,body - (footer)))) - - (define (language-index language) - (define title - (translate #$title language)) - - (sxml-index - language title - `(main - (article - (@ (class "page centered-block limit-width")) - (h2 ,title) - (p (@ (class "post-metadata centered-text")) - #$version " — " - ,(seconds->string #$date language)) - - (div - (ul - (li (a (@ (href "html_node")) - "HTML, with a separate page per node")) - (li (a (@ (href - ,(string-append - #$manual - (if (string=? language - "en") - "" - (string-append "." - language)) - ".html"))) - "HTML, entirely on one page")) - ,@(if (member language '("ru" "zh_CN")) - '() - `((li (a (@ (href ,(string-append - #$manual - (if (string=? language "en") - "" - (string-append "." - language)) - ".pdf")))) - "PDF"))))))))) - - (define %iso639-languages - (vector->list - (assoc-ref (call-with-input-file - #+(file-append iso-codes - "/share/iso-codes/json/iso_639-3.json") - json->scm) - "639-3"))) - - (define (language-code->name code) - "Return the full name of a language from its ISO-639-3 code." - (let ((code (match (string-index code #\_) - (#f code) - (index (string-take code index))))) - (any (lambda (language) - (and (string=? (or (assoc-ref language "alpha_2") - (assoc-ref language "alpha_3")) - code) - (assoc-ref language "name"))) - %iso639-languages))) - - (define (top-level-index languages) - (define title #$title) - (sxml-index - "en" title - `(main - (article - (@ (class "page centered-block limit-width")) - (h2 ,title) - (div - "This document is available in the following + (with-imported-modules `((guix build utils) + ((localization) + => ,(localization-helper-module + source languages))) + #~(begin + (use-modules (guix build utils) + (localization) + (sxml simple) + (srfi srfi-1)) + + (define (guix-url path) + (string-append #$%web-site-url path)) + + (define (sxml-index language title body) + ;; FIXME: Avoid duplicating styling info from guix-artwork.git. + `(html (@ (lang ,language)) + (head + (title ,(string-append title " — GNU Guix")) + (meta (@ (charset "UTF-8"))) + (meta (@ (name "viewport") (content "width=device-width, initial-scale=1.0"))) + ;; Menu prefetch. + (link (@ (rel "prefetch") (href ,(guix-url "menu/index.html")))) + ;; Base CSS. + (link (@ (rel "stylesheet") (href ,(guix-url "static/base/css/elements.css")))) + (link (@ (rel "stylesheet") (href ,(guix-url "static/base/css/common.css")))) + (link (@ (rel "stylesheet") (href ,(guix-url "static/base/css/messages.css")))) + (link (@ (rel "stylesheet") (href ,(guix-url "static/base/css/navbar.css")))) + (link (@ (rel "stylesheet") (href ,(guix-url "static/base/css/breadcrumbs.css")))) + (link (@ (rel "stylesheet") (href ,(guix-url "static/base/css/buttons.css")))) + (link (@ (rel "stylesheet") (href ,(guix-url "static/base/css/footer.css")))) + + (link (@ (rel "stylesheet") (href ,(guix-url "static/base/css/page.css")))) + (link (@ (rel "stylesheet") (href ,(guix-url "static/base/css/post.css"))))) + (body + (header (@ (class "navbar")) + (h1 (a (@ (class "branding") + (href #$%web-site-url))) + (span (@ (class "a11y-offset")) + "Guix")) + (nav (@ (class "menu")))) + (nav (@ (class "breadcrumbs")) + (a (@ (class "crumb") + (href #$%web-site-url)) + "Home")) + ,body + (footer)))) + + (define (language-index language) + (define title + (translate #$title language)) + + (sxml-index + language title + `(main + (article + (@ (class "page centered-block limit-width")) + (h2 ,title) + (p (@ (class "post-metadata centered-text")) + #$version " — " + ,(seconds->string #$date language)) + + (div + (ul + (li (a (@ (href "html_node")) + "HTML, with a separate page per node")) + (li (a (@ (href + ,(string-append + #$manual + (if (string=? language + "en") + "" + (string-append "." + language)) + ".html"))) + "HTML, entirely on one page")) + ,@(if (member language '("ru" "zh_CN")) + '() + `((li (a (@ (href ,(string-append + #$manual + (if (string=? language "en") + "" + (string-append "." + language)) + ".pdf")))) + "PDF"))))))))) + + (define (top-level-index languages) + (define title #$title) + (sxml-index + "en" title + `(main + (article + (@ (class "page centered-block limit-width")) + (h2 ,title) + (div + "This document is available in the following languages:\n" - (ul - ,@(map (lambda (language) - `(li (a (@ (href ,(normalize language))) - ,(translate - (language-code->name language) - language - #:domain "iso_639-3")))) - languages))))))) - - (define (write-html file sxml) - (call-with-output-file file - (lambda (port) - (display "\n" port) - (sxml->xml sxml port)))) + (ul + ,@(map (lambda (language) + `(li (a (@ (href ,(normalize language))) + ,(translate + (language-code->name language) + language + #:domain "iso_639-3")))) + languages))))))) + + (define (write-html file sxml) + (call-with-output-file file + (lambda (port) + (display "\n" port) + (sxml->xml sxml port)))) - (setenv "GUIX_LOCPATH" - #+(file-append glibc-utf8-locales "/lib/locale")) - (setenv "LC_ALL" "en_US.utf8") - (setlocale LC_ALL "en_US.utf8") + (setenv "GUIX_LOCPATH" + #+(file-append glibc-utf8-locales "/lib/locale")) + (setenv "LC_ALL" "en_US.utf8") + (setlocale LC_ALL "en_US.utf8") - (for-each (lambda (language) - (define directory - (string-append #$output "/" - (normalize language))) + (for-each (lambda (language) + (define directory + (string-append #$output "/" + (normalize language))) - (mkdir-p directory) - (write-html (string-append directory "/index.html") - (language-index language))) - '#$languages) + (mkdir-p directory) + (write-html (string-append directory "/index.html") + (language-index language))) + '#$languages) - (write-html (string-append #$output "/index.html") - (top-level-index '#$languages)))))) + (write-html (string-append #$output "/index.html") + (top-level-index '#$languages))))) (computed-file "html-indexes" build)) -- cgit v1.2.3