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;; Tag functions used by pollen.rkt when HTML is the output format.
(require (for-syntax racket/base racket/syntax))
(require racket/list
racket/function
pollen/decode
pollen/tag
net/uri-codec
txexpr
"dust.rkt")
(provide html-fn
html-fndef)
;; Customized paragraph decoder replaces single newlines within paragraphs
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(provide html-root
html-item
html-section
html-subsection
html-newthought
html-smallcaps
html-center
html-block
html-blockcode
html-index
html-dialogue
html-say
html-verse
html-link
html-url
html-fn
html-fndef
html-note)
(define html-item (default-tag-function 'li))
(define html-section (default-tag-function 'h2))
(define html-subsection (default-tag-function 'h3))
(define html-newthought (default-tag-function 'span #:class "newthought"))
(define html-smallcaps (default-tag-function 'span #:class "smallcaps"))
(define html-center (default-tag-function 'div #:style "text-align: center"))
(define html-dialogue (default-tag-function 'dl #:class "dialogue"))
(define (html-block . elements)
`(section [[class "content-block"]] (div [[class "content-block-main"]] ,@elements)))
(define (html-root . elements)
(invalidate-series)
(define first-pass
(decode-elements elements
(decode-elements (append elements (list (html-footnote-block)))
#:txexpr-elements-proc decode-hardwrapped-paragraphs
#:exclude-tags '(script style figure table pre)))
(define second-pass
(decode-elements first-pass
#:block-txexpr-proc detect-newthoughts
#:inline-txexpr-proc decode-link-urls
#:string-proc (compose1 smart-quotes smart-dashes)
#:exclude-tags '(script style pre code)))
`(body ,@second-pass ,(html-footnote-block)))
`(body ,@second-pass))
(define (html-blockcode attrs elems)
(define file (or (assoc 'filename attrs) ""))
(define codeblock `(pre [[class "code"]] (code ,@elems)))
(cond [(string>? file "") `(@ (div [[class "listing-filename"]] 128196 " " ,file) ,codeblock)]
[else codeblock]))
(define (html-index . elems)
`(a [[id ,(here-id (list "_idx-" (uri-encode (car elems))))]
[href ,(string-append "/keyword-index.html#" (uri-encode (string-downcase (car elems))))]
[data-index-entry ,(car elems)]
[class "index-link"]]
,@(cdr elems)))
(define (html-say . elems)
`(@ (dt ,(car elems) (span [[class "x"]] ": ")) (dd ,@(cdr elems))))
(define (html-verse attrs elems)
(let* ([title (or (assoc 'title attrs) "")]
(let* ([title (maybe-attr 'title attrs "")]
[italic? (assoc 'italic attrs)]
[pre-attrs (cond [italic? '([class "verse"] [style "font-style: italic"])]
[else '([class "verse"])])]
[pre-title (cond [(string>? title "") '(p [[class "verse-heading"]] ,title)]
[pre-title (cond [(string>? title "") `(p [[class "verse-heading"]] ,title)]
[else ""])])
`(div [[class "poem"]] (pre ,pre-attrs ,pre-title ,@elems))))
`(div [[class "poem"]] ,pre-title (pre ,pre-attrs ,@elems))))
;; There is no way in vanilla CSS to create a selector for “p tags that contain
;; a span of class ‘newthought’”. So we can handle it at the Pollen processing level.
(define (detect-newthoughts block-xpr)
(define (is-newthought? tx) ; Helper function
(and (txexpr? tx)
(eq? 'span (get-tag tx))
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(fn-id fn-name)
(format "~a" (+ 1 fnref-num)))]] "↩"))])
`(li [[id ,(fndef-id fn-name)]] ,@definition-text ,@backrefs))))
(cond [(null? note-items) ""]
[else `(section ((class "footnotes")) (hr) (ol ,@note-items))]))
(define (html-note attrs elems)
(txexpr 'note attrs (decode-paragraphs elems #:force? #t)))
(txexpr 'note attrs (decode-hardwrapped-paragraphs elems)))
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