254 lines
11 KiB
Racket
254 lines
11 KiB
Racket
#lang at-exp racket/base
|
|
|
|
(require scribble/html (for-syntax racket/base syntax/name syntax/parse)
|
|
"utils.rkt" "resources.rkt")
|
|
|
|
(define-for-syntax (process-contents who layouter stx xs)
|
|
(let loop ([xs xs] [kws '()] [id? #f])
|
|
(syntax-case xs ()
|
|
[(k v . xs) (keyword? (syntax-e #'k))
|
|
(loop #'xs (list* #'v #'k kws) (or id? (eq? '#:id (syntax-e #'k))))]
|
|
[_ (with-syntax ([layouter layouter]
|
|
[(x ...) (reverse kws)]
|
|
[(id ...)
|
|
(if id?
|
|
'()
|
|
(let ([name (or (syntax-property stx 'inferred-name)
|
|
(syntax-local-name))])
|
|
(if name (list '#:id `',name) '())))]
|
|
;; delay body, allow definitions
|
|
[body #`(λ () (begin/text #,@xs))])
|
|
#'(layouter id ... x ... body))])))
|
|
|
|
(define (get-path who id file sfx dir)
|
|
(define file*
|
|
(or file
|
|
(let ([f (and id (symbol->string (force id)))])
|
|
(cond [(and f (regexp-match #rx"[.]" f)) f]
|
|
[(and f sfx)
|
|
(string-append f (regexp-replace #rx"^[.]?" sfx "."))]
|
|
[else (error who "missing `#:file', or `#:id'~a"
|
|
(if sfx "" " and `#:suffix'"))]))))
|
|
(if dir (web-path dir file*) file*))
|
|
|
|
;; The following are not intended for direct use, see
|
|
;; `define+provide-context' below (it could be used with #f for the
|
|
;; directory if this ever gets used for a flat single directory web
|
|
;; page.)
|
|
|
|
;; for plain text files
|
|
(define-syntax (plain stx)
|
|
(syntax-case stx () [(_ . xs) (process-contents 'plain #'plain* stx #'xs)]))
|
|
(define (plain* #:id [id #f] #:suffix [suffix #f]
|
|
#:dir [dir #f] #:file [file #f]
|
|
#:referrer [referrer values]
|
|
#:newline [newline? #t]
|
|
content)
|
|
(resource/referrer (get-path 'plain id file suffix dir)
|
|
(file-writer output (list content (and newline? "\n")))
|
|
referrer))
|
|
|
|
;; page layout function
|
|
(define-syntax (page stx)
|
|
(syntax-case stx () [(_ . xs) (process-contents 'page #'page* stx #'xs)]))
|
|
(define (page* #:id [id #f] #:dir [dir #f] #:file [file #f]
|
|
;; if this is true, return only the html -- don't create
|
|
;; a resource -- therefore no file is made, and no links
|
|
;; to it can be made (useful only for stub templates)
|
|
#:html-only [html-only? #f]
|
|
#:title [label (if id
|
|
(let* ([id (->string (force id))]
|
|
[id (regexp-replace #rx"^.*/" id "")]
|
|
[id (regexp-replace #rx"-" id " ")])
|
|
(string-titlecase id))
|
|
(error 'page "missing `#:id' or `#:title'"))]
|
|
#:link-title [linktitle label]
|
|
#:window-title [wintitle @list{Racket: @label}]
|
|
;; can be #f (default), 'full: full page (and no div),
|
|
;; otherwise, a css width
|
|
#:width [width #f]
|
|
#:description [description #f] ; for a meta tag
|
|
#:extra-headers [extra-headers #f]
|
|
#:extra-body-attrs [body-attrs #f]
|
|
#:resources resources0 ; see below
|
|
#:referrer [referrer
|
|
(λ (url . more)
|
|
(a href: url (if (null? more) linktitle more)))]
|
|
;; will be used instead of `this' to determine navbar highlights
|
|
#:part-of [part-of #f]
|
|
content0)
|
|
(define (page)
|
|
(define desc
|
|
(and description (meta name: 'description content: description)))
|
|
(define headers
|
|
(if (and extra-headers desc)
|
|
(list desc "\n" extra-headers)
|
|
(or desc extra-headers)))
|
|
(define resources (force resources0))
|
|
(define head (resources 'head wintitle headers))
|
|
(define navbar (resources 'navbar (or part-of this)))
|
|
(define content
|
|
(list navbar "\n"
|
|
(case width
|
|
[(full) content0]
|
|
[(#f) (div class: 'bodycontent content0)]
|
|
[else (div class: 'bodycontent style: @list{width: @|width|@";"}
|
|
content0)])))
|
|
@xhtml{@||
|
|
@head
|
|
@(if body-attrs
|
|
(apply body `(,@body-attrs ,content))
|
|
(body content))
|
|
@||})
|
|
(define this (and (not html-only?)
|
|
(resource/referrer (get-path 'page id file "html" dir)
|
|
(file-writer output-xml page)
|
|
referrer)))
|
|
(when this (pages->part-of this (or part-of this)))
|
|
(or this page))
|
|
|
|
;; maps pages to their parts, so symbolic values can be used to determine it
|
|
(define pages->part-of
|
|
(let ([t (make-hasheq)])
|
|
(case-lambda [(page) (hash-ref t page page)]
|
|
[(page part-of) (hash-set! t page part-of)])))
|
|
|
|
(provide set-navbar!)
|
|
(define-syntax-rule (set-navbar! pages top help)
|
|
(if (unbox navbar-info)
|
|
;; since generation is delayed, it won't make sense to change the navbar
|
|
(error 'set-navbar! "called twice")
|
|
(set-box! navbar-info (list (lazy pages) (lazy top) (lazy help)))))
|
|
|
|
(define navbar-info (box #f))
|
|
(define (navbar-maker logo)
|
|
(define pages-promise
|
|
(lazy (car (or (unbox navbar-info)
|
|
(error 'navbar "no navbar info set")))))
|
|
(define top-promise (lazy (cadr (unbox navbar-info))))
|
|
(define help-promise (lazy (caddr (unbox navbar-info))))
|
|
(define pages-parts-of-promise
|
|
(lazy (map pages->part-of (force pages-promise))))
|
|
(define (middle-text size x)
|
|
(span style: `("font-size: ",size"px; vertical-align: middle;")
|
|
class: 'navtitle
|
|
x))
|
|
(define OPEN
|
|
(list (middle-text 100 "(")
|
|
(middle-text 80 "(")
|
|
(middle-text 60 "(")
|
|
(middle-text 40 nbsp)))
|
|
(define CLOSE
|
|
(list (middle-text 80 "Racket")
|
|
(middle-text 40 nbsp)
|
|
(middle-text 60 ")")
|
|
(middle-text 80 ")")
|
|
(middle-text 100 ")")))
|
|
(define (header-cell logo)
|
|
(td (a href: (url-of (force top-promise))
|
|
OPEN
|
|
(img src: logo alt: "[logo]"
|
|
style: '("vertical-align: middle; "
|
|
"margin: 13px 0.25em 0 0; border: 0;"))
|
|
CLOSE)))
|
|
(define (links-table this)
|
|
(table width: "100%"
|
|
(tr (map (λ (nav navpart)
|
|
(td class: 'navlinkcell
|
|
(span class: 'navitem
|
|
(span class: (if (eq? (pages->part-of this) navpart)
|
|
'navcurlink 'navlink)
|
|
nav))))
|
|
(force pages-promise)
|
|
(force pages-parts-of-promise)))))
|
|
(λ (this)
|
|
(div class: 'racketnav
|
|
(div class: 'navcontent
|
|
(table border: 0 cellspacing: 0 cellpadding: 0 width: "100%"
|
|
(tr (header-cell logo)
|
|
(td class: 'helpiconcell
|
|
(let ([help (force help-promise)])
|
|
(span class: 'helpicon (if (eq? this help) nbsp help)))))
|
|
(tr (td colspan: 2 (links-table this))))))))
|
|
|
|
(define (html-favicon-maker icon)
|
|
(define headers
|
|
@list{@link[rel: "icon" href: icon type: "image/ico"]
|
|
@link[rel: "shortcut icon" href: icon]})
|
|
(λ () headers))
|
|
|
|
(define (html-head-maker style favicon)
|
|
(define headers
|
|
@list{
|
|
@meta[name: "generator" content: "Racket"]
|
|
@meta[http-equiv: "Content-Type" content: "text/html; charset=utf-8"]
|
|
@favicon
|
|
@link[rel: "stylesheet" type: "text/css" href: style title: "default"]})
|
|
(λ (title* more-headers)
|
|
(head "\n" (title title*)
|
|
"\n" headers
|
|
(and more-headers (list "\n" more-headers))
|
|
"\n")))
|
|
|
|
(define (make-resources files)
|
|
(define (getfile what) (cadr (assq what files)))
|
|
(define favicon (html-favicon-maker (getfile 'icon)))
|
|
(define make-head (html-head-maker (getfile 'style) favicon))
|
|
(define make-navbar (navbar-maker (getfile 'logo)))
|
|
(λ (what . more)
|
|
(apply (case what
|
|
[(head) make-head]
|
|
[(navbar) make-navbar]
|
|
[(favicon-headers) favicon]
|
|
[(icon-path logo-path style-path)
|
|
(λ () (let* ([x (symbol->string what)]
|
|
[x (regexp-replace #rx"-path$" x "")])
|
|
(url-of (getfile (string->symbol x)))))]
|
|
[else (error 'resources "internal error")])
|
|
more)))
|
|
|
|
;; `define+provide-context' should be used in each toplevel directory (= each
|
|
;; site) to have its own resources (and possibly other customizations).
|
|
(provide define+provide-context define-context)
|
|
(define-for-syntax (make-define+provide-context stx provide?)
|
|
(syntax-parse stx
|
|
[(_ (~or (~optional dir:expr)
|
|
(~optional (~seq #:resources resources))
|
|
(~optional (~seq #:robots robots) #:defaults ([robots #'#t]))
|
|
(~optional (~seq #:htaccess htaccess) #:defaults ([htaccess #'#t])))
|
|
...)
|
|
(unless (attribute dir)
|
|
(raise-syntax-error 'define-context "missing <dir>"))
|
|
(with-syntax ([page-id (datum->syntax stx 'page)]
|
|
[plain-id (datum->syntax stx 'plain)]
|
|
[copyfile-id (datum->syntax stx 'copyfile)]
|
|
[symlink-id (datum->syntax stx 'symlink)]
|
|
[resources-id (datum->syntax stx 'the-resources)])
|
|
(with-syntax ([provides (if provide?
|
|
#'(provide page-id plain-id copyfile-id
|
|
symlink-id resources-id)
|
|
#'(begin))]
|
|
[resources
|
|
(or (attribute resources)
|
|
#'(make-resources
|
|
(make-resource-files
|
|
(λ (id . content)
|
|
(page* #:id id #:dir dir
|
|
#:resources (lazy resources-id)
|
|
content))
|
|
dir robots htaccess)))])
|
|
#'(begin (define resources-id resources)
|
|
(define-syntax-rule (page-id . xs)
|
|
(page #:resources resources-id #:dir dir . xs))
|
|
(define-syntax-rule (plain-id . xs)
|
|
(plain #:dir dir . xs))
|
|
(define (copyfile-id source [target #f])
|
|
(copyfile-resource source target #:dir dir))
|
|
(define (symlink-id source [target #f])
|
|
(symlink-resource source target #:dir dir))
|
|
provides)))]))
|
|
(define-syntax (define+provide-context stx)
|
|
(make-define+provide-context stx #t))
|
|
(define-syntax (define-context stx)
|
|
(make-define+provide-context stx #f))
|