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e the 'version.texi' file for LANGUAGE. (let ((file (if (string=? language "en") "version.texi" (string-append "version-" language ".texi")))) (call-with-output-file (string-append #$output "/" file) (lambda (port) (let* ((version #$version) (time (make-time time-utc 0 #$date)) (date (time-utc->date time))) (format port " @set UPDATED ~a @set UPDATED-MONTH ~a @set EDITION ~a @set VERSION ~a\n" (date->string date "~e ~B ~Y") (date->string date "~B ~Y") version version)))))) (install-file #$(file-append documentation "/htmlxref.cnf") #$output) (for-each (lambda (texi) (install-file texi #$output)) (append (find-files #$documentation "\\.(texi|scm|json)$") (find-files #$(translated-texi-manuals source) "\\.texi$"))) ;; Create 'version.texi'. (for-each make-version-texi '#$languages) ;; Copy configuration templates that the manual includes. (for-each (lambda (template) (copy-file template (string-append #$output "/os-config-" (basename template ".tmpl") ".texi"))) (find-files #$examples "\\.tmpl$")) (symlink #$(texinfo-manual-images source) (string-append #$output "/images"))))) (computed-file "texinfo-manual-source" build)) (define %web-site-url ;; URL of the web site home page. (or (getenv "GUIX_WEB_SITE_URL") "/software/guix/")) (define %makeinfo-html-options ;; Options passed to 'makeinfo --html'. '("--css-ref=https://www.gnu.org/software/gnulib/manual.css" "-c" "EXTRA_HEAD=<meta name=\"viewport\" \ content=\"width=device-width, initial-scale=1\" />")) (define (normalize-language-code language) ;XXX: deduplicate ;; Normalize LANGUAGE. For instance, "zh_CN" becomes "zh-cn". (string-map (match-lambda (#\_ #\-) (chr chr)) (string-downcase language))) (define* (html-manual-identifier-index manual base-url #:key (name "html-manual-identifier-index")) "Return an index of all the identifiers that appear in MANUAL, a makeinfo-generated manual. The index is a file that contains an alist; each key is an identifier and the associated value is the URL reference pointing to that identifier. The URL is constructed by concatenating BASE-URL to the actual file name." (define build (with-extensions (list guile-lib) (with-imported-modules '((guix build utils)) #~(begin (use-modules (guix build utils) (htmlprag) (srfi srfi-1) (srfi srfi-26) (ice-9 ftw) (ice-9 match) (ice-9 threads) (ice-9 pretty-print)) (%strict-tokenizer? #t) (define file-url (let ((prefix (string-append #$manual "/"))) (lambda (file) ;; Return the URL for FILE. (let ((file (string-drop file (string-length prefix))) (base #$base-url)) (if (string-null? base) file (string-append base "/" file)))))) (define (underscore-decode str) ;; Decode STR, an "underscore-encoded" string as produced by ;; makeinfo for indexes, such as "_0025base_002dservices" for ;; "%base-services". (let loop ((str str) (result '())) (match (string-index str #\_) (#f (string-concatenate-reverse (cons str result))) (index (let ((char (string->number (substring str (+ index 1) (+ index 5)) 16))) (loop (string-drop str (+ index 5)) (append (list (string (integer->char char)) (string-take str index)) result))))))) (define (anchor-id->key id) ;; Convert ID, an anchor ID such as ;; "index-pam_002dlimits_002dservice" to the corresponding key, ;; "pam-limits-service" in this example. Drop the suffix of ;; duplicate anchor IDs like "operating_002dsystem-1". (let ((id (if (any (cut string-suffix? <> id) '("-1" "-2" "-3" "-4" "-5")) (string-drop-right id 2) id))) (underscore-decode (string-drop id (string-length "index-"))))) (define* (collect-anchors file #:optional (anchors '())) ;; Collect the anchors that appear in FILE, a makeinfo-generated ;; file. Grab those from <dt> tags, which corresponds to ;; Texinfo @deftp, @defvr, etc. Return ANCHORS augmented with ;; more name/reference pairs. (define string-or-entity? (match-lambda ((? string?) #t) (('*ENTITY* _ ...) #t) (_ #f))) (define (worthy-entry? lst) ;; Attempt to match: ;; Scheme Variable: <strong>x</strong> ;; but not: ;; <code>cups-configuration</code> parameter: … (let loop ((lst lst)) (match lst (((? string-or-entity?) rest ...) (loop rest)) ((('strong _ ...) _ ...) #t) ((('span ('@ ('class "category")) ;raw Texinfo 6.8 (? string-or-entity?) ...) rest ...) #t) ((('span ('@ ('class "symbol-definition-category")) (? string-or-entity?) ...) rest ...) #t) (x #f)))) (let ((shtml (call-with-input-file file html->shtml))) (let loop ((shtml shtml) (anchors anchors)) (match shtml (('dt ('@ ('id id) _ ...) rest ...) (if (and (string-prefix? "index-" id) (worthy-entry? rest)) (alist-cons (anchor-id->key id) (string-append (file-url file) "#" id) anchors) anchors)) ((tag ('@ _ ...) body ...) (fold loop anchors body)) ((tag body ...) (fold loop anchors body)) (_ anchors))))) (define (html-files directory) ;; Return the list of HTML files under DIRECTORY. (map (cut string-append directory "/" <>) (or (scandir #$manual (lambda (file) (string-suffix? ".html" file))) '()))) (define anchors (sort (concatenate (n-par-map (parallel-job-count) (cut collect-anchors <>) (html-files #$manual))) (match-lambda* (((key1 . url1) (key2 . url2)) (if (string=? key1 key2) (string<? url1 url2) (string<? key1 key2)))))) (call-with-output-file #$output (lambda (port) (display ";; Identifier index for the manual.\n\n" port) (pretty-print anchors port))))))) (computed-file name build)) (define* (html-identifier-indexes manual directory-suffix #:key (languages %languages) (manual-name %manual) (base-url (const ""))) (map (lambda (language) (let ((language (normalize-language-code language))) (list language (html-manual-identifier-index (file-append manual "/" language directory-suffix) (base-url language) #:name (string-append manual-name "-html-index-" language))))) languages)) (define* (syntax-highlighted-html input #:key (name "highlighted-syntax") (languages %languages) (mono-node-indexes (html-identifier-indexes input "" #:languages languages)) (split-node-indexes (html-identifier-indexes input "/html_node" #:languages languages)) (syntax-css-url "/themes/initial/css/code.css")) "Return a derivation called NAME that processes all the HTML files in INPUT to (1) add them a link to SYNTAX-CSS-URL, and (2) highlight the syntax of all its <pre class=\"lisp\"> blocks (as produced by 'makeinfo --html')." (define build (with-extensions (list guile-lib guile-syntax-highlight) (with-imported-modules '((guix build utils)) #~(begin (use-modules (htmlprag) (syntax-highlight) (syntax-highlight scheme) (syntax-highlight lexers) (guix build utils) (srfi srfi-1) (srfi srfi-26) (ice-9 match) (ice-9 threads) (ice-9 vlist)) (%strict-tokenizer? #t) (define (pair-open/close lst) ;; Pair 'open' and 'close' tags produced by 'highlights' and ;; produce nested 'paren' tags instead. (let loop ((lst lst) (level 0) (result '())) (match lst ((('open open) rest ...) (call-with-values (lambda () (loop rest (+ 1 level) '())) (lambda (inner close rest) (loop rest level (cons `(paren ,level ,open ,inner ,close) result))))) ((('close str) rest ...) (if (> level 0) (values (reverse result) str rest) (begin (format (current-error-port) "warning: extra closing paren; context:~% ~y~%" (reverse result)) (loop rest 0 (cons `(close ,str) result))))) ((item rest ...) (loop rest level (cons item result))) (() (when (> level 0) (format (current-error-port) "warning: missing ~a closing parens; context:~% ~y%" level (reverse result))) (values (reverse result) "" '()))))) (define (highlights->sxml* highlights anchors) ;; Like 'highlights->sxml', but handle nested 'paren tags. This ;; allows for paren matching highlights via appropriate CSS ;; "hover" properties. When a symbol is encountered, look it up ;; in ANCHORS, a vhash, and emit the corresponding href, if any. (define (tag->class tag) (string-append "syntax-" (symbol->string tag))) (map (match-lambda ((? string? str) str) (('paren level open (body ...) close) `(span (@ (class ,(string-append "syntax-paren" (number->string level)))) ,open (span (@ (class "syntax-symbol")) ,@(highlights->sxml* body anchors)) ,close)) (('symbol text) ;; Check whether we can emit a hyperlink for TEXT. (match (vhash-assoc text anchors) (#f `(span (@ (class ,(tag->class 'symbol))) ,text)) ((_ . target) `(a (@ (class ,(tag->class 'symbol)) (href ,target)) ,text)))) ((tag text) `(span (@ (class ,(tag->class tag))) ,text))) highlights)) (define entity->string (match-lambda ("rArr" "⇒") ("rarr" "→") ("hellip" "…") ("rsquo" "’") ("nbsp" " ") (e (pk 'unknown-entity e) (primitive-exit 2)))) (define (concatenate-snippets pieces) ;; Concatenate PIECES, which contains strings and entities, ;; replacing entities with their corresponding string. (let loop ((pieces pieces) (strings '())) (match pieces (() (string-concatenate-reverse strings)) (((? string? str) . rest) (loop rest (cons str strings))) ((('*ENTITY* "additional" entity) . rest) (loop rest (cons (entity->string entity) strings))) ((('span _ lst ...) . rest) ;for <span class="roman"> (loop (append lst rest) strings)) ((('var name) . rest) ;for @var{name} within @lisp (loop rest (cons name strings))) ;XXX: losing formatting (something (pk 'unsupported-code-snippet something) (primitive-exit 1))))) (define (highlight-definition id category symbol args) ;; Produce stylable HTML for the given definition (an @deftp, ;; @deffn, or similar). `(dt (@ (id ,id) (class "symbol-definition")) (span (@ (class "symbol-definition-category")) ,@category) (span (@ (class "symbol-definition-prototype")) ,symbol " " ,@args))) (define (space? obj) (and (string? obj) (string-every char-set:whitespace obj))) (define (syntax-highlight sxml anchors) ;; Recurse over SXML and syntax-highlight code snippets. (let loop ((sxml sxml)) (match sxml (('*TOP* decl body ...) `(*TOP* ,decl ,@(map loop body))) (('head things ...) `(head ,@things (link (@ (rel "stylesheet") (type "text/css") (href #$syntax-css-url))))) (('pre ('@ ('class "lisp")) code-snippet ...) `(pre (@ (class "lisp")) ,@(highlights->sxml* (pair-open/close (highlight lex-scheme (concatenate-snippets code-snippet))) anchors))) ;; Replace the ugly <strong> used for @deffn etc., which ;; translate to <dt>, with more stylable markup. (('dt ('@ ('id id)) ;raw Texinfo 6.8 ('span ('@ ('class "category")) category ...) ('span ('strong thing) anchor)) (highlight-definition id category thing '())) (('dt (@ ('id id)) ('span ('@ ('class "category")) category ...) ('span ('strong thing) (? space?) ('em args ...) anchor)) (highlight-definition id category thing args)) ((tag ('@ attributes ...) body ...) `(,tag (@ ,@attributes) ,@(map loop body))) ((tag body ...) `(,tag ,@(map loop body))) ((? string? str) str)))) (define (process-html file anchors) ;; Parse FILE and perform syntax highlighting for its Scheme ;; snippets. Install the result to #$output. (format (current-error-port) "processing ~a...~%" file) (let* ((shtml (call-with-input-file file html->shtml)) (highlighted (syntax-highlight shtml anchors)) (base (string-drop file (string-length #$input))) (target (string-append #$output base))) (mkdir-p (dirname target)) (call-with-output-file target (lambda (port) (write-shtml-as-html highlighted port))))) (define (copy-as-is file) ;; Copy FILE as is to #$output. (let* ((base (string-drop file (string-length #$input))) (target (string-append #$output base))) (mkdir-p (dirname target)) (catch 'system-error (lambda () (if (eq? 'symlink (stat:type (lstat file))) (symlink (readlink file) target) (link file target))) (lambda args (let ((errno (system-error-errno args))) (pk 'error-link file target (strerror errno)) (primitive-exit 3)))))) (define (html? file stat) (string-suffix? ".html" file)) (define language+node-anchors (match-lambda ((language files ...) (cons language (fold (lambda (file vhash) (let ((alist (call-with-input-file file read))) ;; Use 'fold-right' so that the first entry ;; wins (e.g., "car" from "Pairs" rather than ;; from "rnrs base" in the Guile manual). (fold-right (match-lambda* (((key . value) vhash) (vhash-cons key value vhash))) vhash alist))) vlist-null files))))) (define mono-node-anchors ;; List of language/vhash pairs, where each vhash maps an ;; identifier to the corresponding URL in a single-page manual. (map language+node-anchors '#$mono-node-indexes)) (define multi-node-anchors ;; Likewise for split-node manuals. (map language+node-anchors '#$split-node-indexes)) ;; Install a UTF-8 locale so we can process UTF-8 files. (setenv "GUIX_LOCPATH" #+(file-append glibc-utf8-locales "/lib/locale")) (setlocale LC_ALL "en_US.utf8") ;; First process the mono-node 'guix.html' files. (for-each (match-lambda ((language . anchors) (let ((files (find-files (string-append #$input "/" language) "^guix(-cookbook|)(\\.[a-zA-Z_-]+)?\\.html$"))) (n-par-for-each (parallel-job-count) (cut process-html <> anchors) files)))) mono-node-anchors) ;; Process the multi-node HTML files. (for-each (match-lambda ((language . anchors) (let ((files (find-files (string-append #$input "/" language "/html_node") "\\.html$"))) (n-par-for-each (parallel-job-count) (cut process-html <> anchors) files)))) multi-node-anchors) ;; Last, copy non-HTML files as is. (for-each copy-as-is (find-files #$input (negate html?))))))) (computed-file name build)) (define* (stylized-html source input #:key (languages %languages) (manual %manual) (manual-css-url "/themes/initial/css/manual.css")) "Process all the HTML files in INPUT; add them MANUAL-CSS-URL as a <style> link, and add a menu to choose among LANGUAGES. Use the Guix PO files found in SOURCE." (define build (with-extensions (list guile-lib) (with-imported-modules `((guix build utils) ((localization) => ,(localization-helper-module source languages))) #~(begin (use-modules (htmlprag) (localization) (guix build utils) (srfi srfi-1) (ice-9 match) (ice-9 threads)) (define* (menu-dropdown #:key (label "Item") (url "#") (items '())) ;; Return an SHTML <li> element representing a dropdown for the ;; navbar. LABEL is the text of the dropdown menu, and ITEMS is ;; the list of items in this menu. (define id "visible-dropdown") `(li (@ (class "navbar-menu-item dropdown dropdown-btn")) (input (@ (class "navbar-menu-hidden-input") (type "radio") (name "dropdown") (id ,id))) (label (@ (for ,id)) ,label) (label (@ (for "all-dropdowns-hidden")) ,label) (div (@ (class "navbar-submenu") (id "navbar-submenu")) (div (@ (class "navbar-submenu-triangle")) " ") (ul ,@items)))) (define (menu-item label url) ;; Return an SHTML <li> element for a menu item with the given ;; LABEL and URL. `(li (a (@ (class "navbar-menu-item") (href ,url)) ,label))) (define* (navigation-bar menus #:key split-node?) ;; Return the navigation bar showing all of MENUS. `(header (@ (class "navbar")) (h1 (a (@ (class "branding") (href ,(if split-node? ".." "#"))))) (nav (@ (class "navbar-menu")) (input (@ (class "navbar-menu-hidden-input") (type "radio") (name "dropdown") (id "all-dropdowns-hidden"))) (ul ,@menus)) ;; This is the button that shows up on small screen in ;; lieu of the drop-down button. (a (@ (class "navbar-menu-btn") (href ,(if split-node? "../.." "..")))))) (define* (base-language-url code manual #:key split-node?) ;; Return the base URL of MANUAL for language CODE. (if split-node? (string-append "../../" (normalize code) "/html_node") (string-append "../" (normalize code) "/" manual (if (string=? code "en") "" (string-append "." code)) ".html"))) (define (language-menu-items file) ;; Return the language menu items to be inserted in FILE. (define split-node? (string-contains file "/html_node/")) (append (map (lambda (code) (menu-item (language-code->native-name code) (base-language-url code #$manual #:split-node? split-node?))) '#$%languages) (list (menu-item "⊕" (if (string=? #$manual "guix-cookbook") "https://translate.fedoraproject.org/projects/guix/documentation-cookbook/" "https://translate.fedoraproject.org/projects/guix/documentation-manual/"))))) (define (stylized-html sxml file) ;; Return SXML, which was read from FILE, with additional ;; styling. (define split-node? (string-contains file "/html_node/")) (let loop ((sxml sxml)) (match sxml (('*TOP* decl body ...) `(*TOP* ,decl ,@(map loop body))) (('head elements ...) ;; Add reference to our own manual CSS, which provides ;; support for the language menu. `(head ,@elements (link (@ (rel "stylesheet") (type "text/css") (href #$manual-css-url))))) (('body ('@ attributes ...) elements ...) `(body (@ ,@attributes) ,(navigation-bar ;; TODO: Add "Contribute" menu, to report ;; errors, etc. (list (menu-dropdown #:label `(img (@ (alt "Language") (src "/themes/initial/img/language-picker.svg"))) #:items (language-menu-items file))) #:split-node? split-node?) ,@elements)) ((tag ('@ attributes ...) body ...) `(,tag (@ ,@attributes) ,@(map loop body))) ((tag body ...) `(,tag ,@(map loop body))) ((? string? str) str)))) (define (process-html file) ;; Parse FILE and add links to translations. Install the result ;; to #$output. (format (current-error-port) "processing ~a...~%" file) (let* ((shtml (parameterize ((%strict-tokenizer? #t)) (call-with-input-file file html->shtml))) (processed (stylized-html shtml file)) (base (string-drop file (string-length #$input))) (target (string-append #$output base))) (mkdir-p (dirname target)) (call-with-output-file target (lambda (port) (write-shtml-as-html processed port))))) ;; Install a UTF-8 locale so we can process UTF-8 files. (setenv "GUIX_LOCPATH" #+(file-append glibc-utf8-locales "/lib/locale")) (setlocale LC_ALL "en_US.utf8") (setenv "LC_ALL" "en_US.utf8") (setvbuf (current-error-port) 'line) (n-par-for-each (parallel-job-count) (lambda (file) (if (string-suffix? ".html" file) (process-html file) ;; Copy FILE as is to #$output. (let* ((base (string-drop file (string-length #$input))) (target (string-append #$output base))) (mkdir-p (dirname target)) (if (eq? 'symlink (stat:type (lstat file))) (symlink (readlink file) target) (copy-file file target))))) (find-files #$input)))))) (computed-file "stylized-html-manual" build)) (define* (html-manual source #:key (languages %languages) (version "0.0") (manual %manual) (mono-node-indexes (map list languages)) (split-node-indexes (map list languages)) (date 1) (options %makeinfo-html-options)) "Return the HTML manuals built from SOURCE for all LANGUAGES, with the given makeinfo OPTIONS." (define manual-source (texinfo-manual-source source #:version version #:languages languages #:date date)) (define images (texinfo-manual-images source)) (define build (with-imported-modules '((guix build utils)) #~(begin (use-modules (guix build utils) (ice-9 match)) (define (normalize language) ;; Normalize LANGUAGE. For instance, "zh_CN" becomes "zh-cn". (string-map (match-lambda (#\_ #\-) (chr chr)) (string-downcase language))) (define (language->texi-file-name language) (if (string=? language "en") (string-append #$manual-source "/" #$manual ".texi") (string-append #$manual-source "/" #$manual "." language ".texi"))) ;; Install a UTF-8 locale so that 'makeinfo' is at ease. (setenv "GUIX_LOCPATH" #+(file-append glibc-utf8-locales "/lib/locale")) (setenv "LC_ALL" "en_US.utf8") (setvbuf (current-output-port) 'line) (setvbuf (current-error-port) 'line) ;; 'makeinfo' looks for "htmlxref.cnf" in the current directory, so ;; copy it right here. (copy-file (string-append #$manual-source "/htmlxref.cnf") "htmlxref.cnf") (for-each (lambda (language) (let* ((texi (language->texi-file-name language)) (opts `("--html" "-c" ,(string-append "TOP_NODE_UP_URL=/manual/" language) #$@options ,texi))) (format #t "building HTML manual for language '~a'...~%" language) (mkdir-p (string-append #$output "/" (normalize language))) (setenv "LANGUAGE" language) (apply invoke #$(file-append texinfo "/bin/makeinfo") "-o" (string-append #$output "/" (normalize language) "/html_node") opts) (apply invoke #$(file-append texinfo "/bin/makeinfo") "--no-split" "-o" (string-append #$output "/" (normalize language) "/" #$manual (if (string=? language "en") "" (string-append "." language)) ".html") opts) ;; Make sure images are available. (symlink #$images (string-append #$output "/" (normalize language) "/images")) (symlink #$images (string-append #$output "/" (normalize language) "/html_node/images")))) (filter (compose file-exists? language->texi-file-name) '#$languages))))) (let* ((name (string-append manual "-html-manual")) (manual* (computed-file name build #:local-build? #f))) (syntax-highlighted-html (stylized-html source manual* #:languages languages #:manual manual) #:mono-node-indexes mono-node-indexes #:split-node-indexes split-node-indexes #:name (string-append name "-highlighted")))) (define* (pdf-manual source #:key (languages %languages) (version "0.0") (manual %manual) (date 1) (options '())) "Return the HTML manuals built from SOURCE for all LANGUAGES, with the given makeinfo OPTIONS." (define manual-source (texinfo-manual-source source #:version version #:languages languages #:date date)) (define texinfo-profile (profile (content (packages->manifest ;; texi2dvi requires various command line tools. (list coreutils diffutils gawk grep sed tar texinfo (texlive-updmap.cfg (list texlive-epsf texlive-texinfo))))))) (define build (with-imported-modules '((guix build utils)) #~(begin (use-modules (guix build utils) (srfi srfi-34) (ice-9 match)) (define (normalize language) ;XXX: deduplicate ;; Normalize LANGUAGE. For instance, "zh_CN" becomes "zh-cn". (string-map (match-lambda (#\_ #\-) (chr chr)) (string-downcase language))) ;; Install a UTF-8 locale so that 'makeinfo' is at ease. (setenv "GUIX_LOCPATH" #+(file-append glibc-utf8-locales "/lib/locale")) (setenv "LC_ALL" "en_US.utf8") (setenv "PATH" #+(file-append texinfo-profile "/bin")) (setenv "GUIX_TEXMF" #+(file-append texinfo-profile "/share/texmf-dist")) (setvbuf (current-output-port) 'line) (setvbuf (current-error-port) 'line) (setenv "HOME" (getcwd)) ;for kpathsea/mktextfm ;; 'SOURCE_DATE_EPOCH' is honored by pdftex. (setenv "SOURCE_DATE_EPOCH" "1") (for-each (lambda (language) (let ((opts `("--pdf" "-I" "." #$@options ,(if (string=? language "en") (string-append #$manual-source "/" #$manual ".texi") (string-append #$manual-source "/" #$manual "." language ".texi"))))) (format #t "building PDF manual for language '~a'...~%" language) (mkdir-p (string-append #$output "/" (normalize language))) (setenv "LANGUAGE" language) ;; FIXME: Unfortunately building PDFs for non-Latin ;; alphabets doesn't work: ;; <https://lists.gnu.org/archive/html/help-texinfo/2012-01/msg00014.html>. (guard (c ((invoke-error? c) (format (current-error-port) "~%~%Failed to produce \ PDF for language '~a'!~%~%" language))) (apply invoke #$(file-append texinfo "/bin/makeinfo") "--pdf" "-o" (string-append #$output "/" (normalize language) "/" #$manual (if (string=? language "en") "" (string-append "." language)) ".pdf") opts)))) '#$languages)))) (computed-file (string-append manual "-pdf-manual") build #:local-build? #f)) (define* (guix-manual-text-domain source #:optional (languages %manual-languages)) "Return the PO files for LANGUAGES of the 'guix-manual' text domain taken from SOURCE." (define po-directory (file-append* source "/po/doc")) (define build (with-imported-modules '((guix build utils)) #~(begin (use-modules (guix build utils)) (mkdir-p #$output) (for-each (lambda (language) (define directory (string-append #$output "/" language "/LC_MESSAGES")) (mkdir-p directory) (invoke #+(file-append gnu-gettext "/bin/msgfmt") "-c" "-o" (string-append directory "/guix-manual.mo") (string-append #$po-directory "/guix-manual." language ".po"))) '#$(delete "en" languages))))) (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 language-code->native-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)) (bindtextdomain "iso_639-3" ;language names #+(file-append iso-codes "/share/locale")) (setenv "LANGUAGE" ,language) (write (gettext ,str ,domain)))) ;; Since the 'gettext' function caches msgid translations, ;; regardless of $LANGUAGE, we have to spawn a new process each ;; time we want to translate to a different language. Bah! (let* ((pipe (open-pipe* OPEN_READ #+(file-append guile-3.0 "/bin/guile") "-c" (object->string exp))) (str (read pipe))) (close-pipe pipe) str)) (define %iso639-languages (vector->list (assoc-ref (call-with-input-file #+(file-append iso-codes "/share/iso-codes/json/iso_639-3.json") json->scm) "639-3"))) (define (language-code->name code) "Return the full name of a language from its ISO-639-3 code." (let ((code (match (string-index code #\_) (#f code) (index (string-take code index))))) (any (lambda (language) (and (string=? (or (assoc-ref language "alpha_2") (assoc-ref language "alpha_3")) code) (assoc-ref language "name"))) %iso639-languages))) (define (language-code->native-name code) "Return the name of language CODE in that language." (translate (language-code->name code) code #:domain "iso_639-3")) (define (seconds->string seconds language) (let* ((time (make-time time-utc 0 seconds)) (date (time-utc->date time))) (with-language language (date->string date "~e ~B ~Y"))))))) (scheme-file "localization.scm" content)) (define* (html-manual-indexes source #:key (languages %languages) (version "0.0") (manual %manual) (title (if (string=? "guix" manual) "GNU Guix Reference Manual" "GNU Guix Cookbook")) (date 1)) (define build (with-imported-modules `((guix build utils) ((localization) => ,(localization-helper-module source languages))) #~(begin (use-modules (guix build utils) (localization) (sxml simple) (srfi srfi-1)) (define (guix-url path) (string-append #$%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 "themes/initial/css/elements.css")))) (link (@ (rel "stylesheet") (href ,(guix-url "themes/initial/css/common.css")))) (link (@ (rel "stylesheet") (href ,(guix-url "themes/initial/css/messages.css")))) (link (@ (rel "stylesheet") (href ,(guix-url "themes/initial/css/navbar.css")))) (link (@ (rel "stylesheet") (href ,(guix-url "themes/initial/css/breadcrumbs.css")))) (link (@ (rel "stylesheet") (href ,(guix-url "themes/initial/css/buttons.css")))) (link (@ (rel "stylesheet") (href ,(guix-url "themes/initial/css/footer.css")))) (link (@ (rel "stylesheet") (href ,(guix-url "themes/initial/css/page.css")))) (link (@ (rel "stylesheet") (href ,(guix-url "themes/initial/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))) ,(language-code->native-name language)))) languages))))))) (define (write-html file sxml) (call-with-output-file file (lambda (port) (display "<!DOCTYPE html>\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") (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) (write-html (string-append #$output "/index.html") (top-level-index '#$languages))))) (computed-file "html-indexes" build)) (define* (pdf+html-manual source #:key (languages %languages) (version "0.0") (date (time-second (current-time time-utc))) (mono-node-indexes (map list %languages)) (split-node-indexes (map list %languages)) (manual %manual)) "Return the union of the HTML and PDF manuals, as well as the indexes." (directory-union (string-append manual "-manual") (map (lambda (proc) (proc source #:date date #:languages languages #:version version #:manual manual)) (list html-manual-indexes (lambda (source . args) (apply html-manual source #:mono-node-indexes mono-node-indexes #:split-node-indexes split-node-indexes args)) pdf-manual)) #:copy? #t)) (define (latest-commit+date directory) "Return two values: the last commit ID (a hex string) for DIRECTORY, and its commit date (an integer)." (let* ((repository (repository-open directory)) (head (repository-head repository)) (oid (reference-target head)) (commit (commit-lookup repository oid))) ;; TODO: Use (git describe) when it's widely available. (values (oid->string oid) (commit-time commit)))) ;;; ;;; Guile manual. ;;; (define guile-manual ;; The Guile manual as HTML, including both the mono-node "guile.html" and ;; the split-node "html_node" directory. (let ((guile guile-3.0-latest)) (computed-file (string-append "guile-manual-" (package-version guile)) (with-imported-modules '((guix build utils)) #~(begin (use-modules (guix build utils) (ice-9 match)) (setenv "PATH" (string-append #+tar "/bin:" #+xz "/bin:" #+zstd "/bin:" #+texinfo "/bin")) (invoke "tar" "xf" #$(package-source guile)) (mkdir-p (string-append #$output "/en/html_node")) (let* ((texi (find-files "." "^guile\\.texi$")) (documentation (match texi ((file) (dirname file))))) (with-directory-excursion documentation (invoke "makeinfo" "--html" "--no-split" "-o" (string-append #$output "/en/guile.html") "guile.texi") (invoke "makeinfo" "--html" "-o" "split" "guile.texi") (copy-recursively "split" (string-append #$output "/en/html_node"))))))))) (define %guile-manual-base-url "https://www.gnu.org/software/guile/manual") (define (for-all-languages index) (map (lambda (language) (list language index)) %languages)) (define guile-mono-node-indexes ;; The Guile manual is only available in English so use the same index in ;; all languages. (for-all-languages (html-manual-identifier-index (file-append guile-manual "/en") %guile-manual-base-url #:name "guile-html-index-en"))) (define guile-split-node-indexes (for-all-languages (html-manual-identifier-index (file-append guile-manual "/en/html_node") (string-append %guile-manual-base-url "/html_node") #:name "guile-html-index-en"))) (define (merge-index-alists alist1 alist2) "Merge ALIST1 and ALIST2, both of which are list of tuples like: (LANGUAGE INDEX1 INDEX2 ...) where LANGUAGE is a string like \"en\" and INDEX1 etc. are indexes as returned by 'html-identifier-indexes'." (let ((languages (delete-duplicates (append (match alist1 (((languages . _) ...) languages)) (match alist2 (((languages . _) ...) languages)))))) (map (lambda (language) (cons language (append (or (assoc-ref alist1 language) '()) (or (assoc-ref alist2 language) '())))) languages))) (let* ((root (canonicalize-path (string-append (current-source-directory) "/.."))) (commit date (latest-commit+date root)) (version (or (getenv "GUIX_MANUAL_VERSION") (string-take commit 7))) (select? (let ((vcs? (git-predicate root))) (lambda (file stat) (and (vcs? file stat) ;; Filter out this file. (not (string=? (basename file) "build.scm")))))) (source (local-file root "guix" #:recursive? #t #:select? select?))) (define guix-manual (html-manual source #:manual "guix" #:version version #:date date)) (define guix-mono-node-indexes ;; Alist of indexes for GUIX-MANUAL, where each key is a language code and ;; each value is a file-like object containing the identifier index. (html-identifier-indexes guix-manual "" #:manual-name "guix" #:base-url (if (string=? %manual "guix") (const "") (cut string-append "/manual/devel/" <>)) #:languages %languages)) (define guix-split-node-indexes ;; Likewise for the split-node variant of GUIX-MANUAL. (html-identifier-indexes guix-manual "/html_node" #:manual-name "guix" #:base-url (if (string=? %manual "guix") (const "") (cut string-append "/manual/devel/" <> "/html_node")) #:languages %languages)) (define mono-node-indexes (merge-index-alists guix-mono-node-indexes guile-mono-node-indexes)) (define split-node-indexes (merge-index-alists guix-split-node-indexes guile-split-node-indexes)) (format (current-error-port) "building manual from work tree around commit ~a, ~a~%" commit (let* ((time (make-time time-utc 0 date)) (date (time-utc->date time))) (date->string date "~e ~B ~Y"))) (pdf+html-manual source ;; Always use the identifier indexes of GUIX-MANUAL and ;; GUILE-MANUAL. Both "guix" and "guix-cookbook" can ;; contain links to definitions that appear in either of ;; these two manuals. #:mono-node-indexes mono-node-indexes #:split-node-indexes split-node-indexes #:version version #:date date))
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