mirror of
https://git.in.rschanz.org/ryan77627/guix.git
synced 2024-12-24 05:18:07 -05:00
doc: Highlight Scheme syntax in the HTML output.
* doc/build.scm (syntax-highlighted-html): New procedure. (html-manual): Use it.
This commit is contained in:
parent
4961364f16
commit
f8c143a713
1 changed files with 114 additions and 1 deletions
115
doc/build.scm
115
doc/build.scm
|
@ -34,6 +34,7 @@
|
|||
(gnu packages gawk)
|
||||
(gnu packages gettext)
|
||||
(gnu packages guile)
|
||||
(gnu packages guile-xyz)
|
||||
(gnu packages iso-codes)
|
||||
(gnu packages texinfo)
|
||||
(gnu packages tex)
|
||||
|
@ -164,6 +165,115 @@ (define %makeinfo-html-options
|
|||
;; Options passed to 'makeinfo --html'.
|
||||
'("--css-ref=https://www.gnu.org/software/gnulib/manual.css"))
|
||||
|
||||
(define* (syntax-highlighted-html input
|
||||
#:key
|
||||
(name "highlighted-syntax")
|
||||
(syntax-css-url
|
||||
"/static/base/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)
|
||||
(ice-9 match)
|
||||
(ice-9 threads))
|
||||
|
||||
(define entity->string
|
||||
(match-lambda
|
||||
("rArr" "⇒")
|
||||
("hellip" "…")
|
||||
("rsquo" "’")
|
||||
(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))
|
||||
(something
|
||||
(pk 'unsupported-code-snippet something)
|
||||
(primitive-exit 1)))))
|
||||
|
||||
(define (syntax-highlight sxml)
|
||||
;; Recurse over SXML and syntax-highlight code snippets.
|
||||
(match sxml
|
||||
(('*TOP* decl body ...)
|
||||
`(*TOP* ,decl ,@(map syntax-highlight body)))
|
||||
(('head things ...)
|
||||
`(head ,@things
|
||||
(link (@ (rel "stylesheet")
|
||||
(type "text/css")
|
||||
(href #$syntax-css-url)))))
|
||||
(('pre ('@ ('class "lisp")) code-snippet ...)
|
||||
`(pre (@ (class "lisp"))
|
||||
,(highlights->sxml
|
||||
(highlight lex-scheme
|
||||
(concatenate-snippets code-snippet)))))
|
||||
((tag ('@ attributes ...) body ...)
|
||||
`(,tag (@ ,@attributes) ,@(map syntax-highlight body)))
|
||||
((tag body ...)
|
||||
`(,tag ,@(map syntax-highlight body)))
|
||||
((? string? str)
|
||||
str)))
|
||||
|
||||
(define (process-html file)
|
||||
;; Parse FILE and perform syntax highlighting for its Scheme
|
||||
;; snippets. Install the result to #$output.
|
||||
(format (current-error-port) "processing ~a...~%" file)
|
||||
(let* ((shtml (call-with-input-file file html->shtml))
|
||||
(highlighted (syntax-highlight shtml))
|
||||
(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 #$output base)))
|
||||
(mkdir-p (dirname target))
|
||||
(catch 'system-error
|
||||
(lambda ()
|
||||
(if (eq? 'symlink (stat:type (lstat file)))
|
||||
(symlink (readlink file) target)
|
||||
(link file target)))
|
||||
(lambda args
|
||||
(let ((errno (system-error-errno args)))
|
||||
(pk 'error-link file target (strerror errno))
|
||||
(primitive-exit 3))))))
|
||||
|
||||
;; Install a UTF-8 locale so we can process UTF-8 files.
|
||||
(setenv "GUIX_LOCPATH"
|
||||
#+(file-append glibc-utf8-locales "/lib/locale"))
|
||||
(setlocale LC_ALL "en_US.utf8")
|
||||
|
||||
(n-par-for-each (parallel-job-count)
|
||||
(lambda (file)
|
||||
(if (string-suffix? ".html" file)
|
||||
(process-html file)
|
||||
(copy-as-is file)))
|
||||
(find-files #$input))))))
|
||||
|
||||
(computed-file name build))
|
||||
|
||||
(define* (html-manual source #:key (languages %languages)
|
||||
(version "0.0")
|
||||
(manual "guix")
|
||||
|
@ -242,7 +352,10 @@ (define (normalize language)
|
|||
"/html_node/images"))))
|
||||
'#$languages))))
|
||||
|
||||
(computed-file (string-append manual "-html-manual") build))
|
||||
(let* ((name (string-append manual "-html-manual"))
|
||||
(manual (computed-file name build)))
|
||||
(syntax-highlighted-html manual
|
||||
#:name (string-append name "-highlighted"))))
|
||||
|
||||
(define* (pdf-manual source #:key (languages %languages)
|
||||
(version "0.0")
|
||||
|
|
Loading…
Reference in a new issue