770 lines
37 KiB
Scheme
770 lines
37 KiB
Scheme
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(module html-render mzscheme
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(require "struct.ss"
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(lib "class.ss")
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(lib "file.ss")
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(lib "list.ss")
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(lib "runtime-path.ss")
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(lib "main-doc.ss" "setup")
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(lib "main-collects.ss" "setup")
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(prefix xml: (lib "xml.ss" "xml")))
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(provide render-mixin
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render-multi-mixin)
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(xml:empty-tag-shorthand xml:html-empty-tags)
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(define-runtime-path scribble-css "scribble.css")
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(define current-subdirectory (make-parameter #f))
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(define current-output-file (make-parameter #f))
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(define current-top-part (make-parameter #f))
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(define on-separate-page (make-parameter #t))
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(define next-separate-page (make-parameter #f))
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(define collecting-sub (make-parameter 0))
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(define current-no-links (make-parameter #f))
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(define extra-breaking? (make-parameter #f))
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(define (path->relative p)
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(let ([p (path->main-doc-relative p)])
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(if (path? p)
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(path->main-collects-relative p)
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p)))
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(define (relative->path p)
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(let ([p (main-doc-relative->path p)])
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(if (path? p)
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p
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(main-collects-relative->path p))))
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;; ----------------------------------------
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;; main mixin
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(define (render-mixin %)
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(class %
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(inherit render-content
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render-flow-element
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collect-part
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install-file
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get-dest-directory
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format-number
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strip-aux
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quiet-table-of-contents)
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(define/override (get-suffix) #".html")
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;; ----------------------------------------
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(define/override (start-collect ds fns ci)
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(map (lambda (d fn)
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(parameterize ([current-output-file fn]
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[current-top-part d])
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(collect-part d #f ci null)))
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ds
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fns))
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(define/public (part-whole-page? p ri)
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(let ([dest (resolve-get p ri (car (part-tags p)))])
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(caddr dest)))
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(define/public (current-part-whole-page? d)
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(eq? d (current-top-part)))
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(define/override (collect-part-tags d ci number)
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(for-each (lambda (t)
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(let ([key (generate-tag t ci)])
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(collect-put! ci
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key
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(list (path->relative (current-output-file))
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(or (part-title-content d)
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'("???"))
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(current-part-whole-page? d)
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(format "~a" key)))))
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(part-tags d)))
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(define/override (collect-target-element i ci)
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(let ([key (generate-tag (target-element-tag i) ci)])
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(collect-put! ci
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key
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(list (path->relative (current-output-file))
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#f
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(page-target-element? i)
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(format "~a" key)))))
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;; ----------------------------------------
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(define/private (reveal-subparts? p)
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(part-style? p 'reveal))
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(define/public (render-toc-view d ri)
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(let-values ([(top mine)
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(let loop ([d d][mine d])
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(let ([p (collected-info-parent (part-collected-info d ri))])
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(if p
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(loop p (if (reveal-subparts? d)
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mine
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d))
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(values d mine))))])
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`((div ((class "tocset"))
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(div ((class "tocview"))
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(div ((class "tocviewtitle"))
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(a ((href "index.html")
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(class "tocviewlink"))
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,@(render-content (or (part-title-content top) '("???")) d ri)))
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(div nbsp)
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(table
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((class "tocviewlist")
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(cellspacing "0"))
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,@(map (lambda (pp)
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(let ([p (car pp)]
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[show-number? (cdr pp)])
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`(tr
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(td
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((align "right"))
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,@(if show-number?
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(format-number (collected-info-number (part-collected-info p ri))
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'((tt nbsp)))
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'("-" nbsp)))
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(td
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(a ((href ,(let ([dest (resolve-get p ri (car (part-tags p)))])
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(format "~a~a~a"
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(from-root (relative->path (car dest))
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(get-dest-directory))
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(if (caddr dest)
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""
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"#")
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(if (caddr dest)
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""
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(cadddr dest)))))
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(class ,(if (eq? p mine)
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"tocviewselflink"
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"tocviewlink")))
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,@(render-content (or (part-title-content p) '("???")) d ri))))))
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(let loop ([l (map (lambda (v) (cons v #t)) (part-parts top))])
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(cond
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[(null? l) null]
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[(reveal-subparts? (caar l))
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(cons (car l) (loop (append (map (lambda (v) (cons v #f))
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(part-parts (caar l)))
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(cdr l))))]
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[else (cons (car l) (loop (cdr l)))])))))
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,@(render-onthispage-contents d ri top)
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,@(apply append
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(map (lambda (t)
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(let loop ([t t])
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(if (table? t)
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(render-table t d ri)
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(loop (delayed-flow-element-flow-elements t ri)))))
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(filter (lambda (e)
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(let loop ([e e])
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(or (and (auxiliary-table? e)
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(pair? (table-flowss e)))
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(and (delayed-flow-element? e)
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(loop (delayed-flow-element-flow-elements e ri))))))
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(flow-paragraphs (part-flow d)))))))))
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(define/private (render-onthispage-contents d ri top)
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(if (ormap (lambda (p) (part-whole-page? p ri))
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(part-parts d))
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null
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(let* ([nearly-top? (lambda (d)
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(eq? top (collected-info-parent (part-collected-info d ri))))]
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[ps ((if (nearly-top? d) values cdr)
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(let flatten ([d d])
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(apply
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append
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;; don't include the section if it's in the TOC
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(if (nearly-top? d)
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null
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(list d))
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;; get internal targets:
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(letrec ([flow-targets
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(lambda (flow)
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(apply append (map flow-element-targets (flow-paragraphs flow))))]
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[flow-element-targets
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(lambda (e)
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(cond
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[(table? e) (table-targets e)]
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[(paragraph? e) (para-targets e)]
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[(itemization? e)
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(apply append (map flow-targets (itemization-flows e)))]
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[(blockquote? e)
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(apply append (map flow-element-targets (blockquote-paragraphs e)))]
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[(delayed-flow-element? e)
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null]))]
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[para-targets
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(lambda (para)
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(let loop ([c (paragraph-content para)])
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(cond
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[(empty? c) null]
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[else (let ([a (car c)])
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(cond
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[(toc-target-element? a)
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(cons a (loop (cdr c)))]
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[(element? a)
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(append (loop (element-content a))
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(loop (cdr c)))]
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[(delayed-element? a)
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(loop (cons (delayed-element-content a ri)
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(cdr c)))]
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[else
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(loop (cdr c))]))])))]
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[table-targets
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(lambda (table)
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(apply append
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(map (lambda (flows)
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(apply append (map (lambda (f)
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(if (eq? f 'cont)
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null
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(flow-targets f)))
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flows)))
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(table-flowss table))))])
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(apply append (map flow-element-targets (flow-paragraphs (part-flow d)))))
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(map flatten (part-parts d)))))])
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(if (null? ps)
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null
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`((div ((class "tocsub"))
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(div ((class "tocsubtitle"))
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"On this page:")
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(table
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((class "tocsublist")
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(cellspacing "0"))
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,@(map (lambda (p)
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(parameterize ([current-no-links #t]
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[extra-breaking? #t])
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`(tr
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(td
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,@(if (part? p)
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`((span ((class "tocsublinknumber"))
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,@(format-number (collected-info-number
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(part-collected-info p ri))
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'((tt nbsp)))))
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'(""))
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(a ((href ,(if (part? p)
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(format "#~a" (tag-key (car (part-tags p)) ri))
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(format "#~a" (tag-key (target-element-tag p) ri))))
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(class ,(if (part? p)
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"tocsubseclink"
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"tocsublink")))
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,@(if (part? p)
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(render-content (or (part-title-content p) '("???")) d ri)
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(render-content (element-content p) d ri)))))))
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ps))))))))
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(define/public (render-one-part d ri fn number)
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(parameterize ([current-output-file fn])
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(let ([xpr `(html ()
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(head
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(meta ((http-equiv "content-type")
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(content "text-html; charset=utf-8")))
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,@(let ([c (part-title-content d)])
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(if c
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`((title ,@(format-number number '(nbsp)) ,(content->string c this d ri)))
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null))
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(link ((rel "stylesheet")
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(type "text/css")
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(href "scribble.css")
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(title "default"))))
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(body ,@(render-toc-view d ri)
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(div ((class "main")) ,@(render-part d ri))))])
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(install-file scribble-css)
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(xml:write-xml/content (xml:xexpr->xml xpr)))))
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(define/override (render-one d ri fn)
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(render-one-part d ri fn null))
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(define/override (render-part d ri)
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(let ([number (collected-info-number (part-collected-info d ri))])
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`(,@(if (and (not (part-title-content d))
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(null? number))
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null
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(if (part-style? d 'hidden)
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(map (lambda (t)
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`(a ((name ,(format "~a" (tag-key t ri))))))
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(part-tags d))
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`((,(case (length number)
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[(0) 'h2]
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[(1) 'h3]
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[(2) 'h4]
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[else 'h5])
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,@(format-number number '((tt nbsp)))
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,@(map (lambda (t)
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`(a ((name ,(format "~a" (tag-key t ri))))))
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(part-tags d))
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,@(if (part-title-content d)
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(render-content (part-title-content d) d ri)
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null)))))
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,@(render-flow* (part-flow d) d ri #f)
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,@(let loop ([pos 1]
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[secs (part-parts d)])
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(if (null? secs)
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null
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(append
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(render-part (car secs) ri)
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(loop (add1 pos) (cdr secs))))))))
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(define/private (render-flow* p part ri special-last?)
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;; Wrap each table with <p>, except for a trailing table
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;; when `special-last?' is #t
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(let loop ([f (flow-paragraphs p)])
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(cond
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[(null? f) null]
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[(and (table? (car f))
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(or (not special-last?)
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(not (null? (cdr f)))))
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(cons `(p ,@(render-flow-element (car f) part ri))
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(loop (cdr f)))]
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[else
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(append (render-flow-element (car f) part ri)
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(loop (cdr f)))])))
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(define/override (render-flow p part ri)
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(render-flow* p part ri #t))
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(define/override (render-paragraph p part ri)
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`((p ,@(if (styled-paragraph? p)
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`(((class ,(styled-paragraph-style p))))
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null)
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,@(super render-paragraph p part ri))))
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(define/override (render-element e part ri)
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(cond
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[(hover-element? e)
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`((span ((title ,(hover-element-text e))) ,@(render-plain-element e part ri)))]
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[(target-element? e)
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`((a ((name ,(format "~a" (tag-key (target-element-tag e) ri)))))
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,@(render-plain-element e part ri))]
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[(and (link-element? e)
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(not (current-no-links)))
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(parameterize ([current-no-links #t])
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(let ([dest (resolve-get part ri (link-element-tag e))])
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(if dest
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`((a ((href ,(format "~a~a~a"
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(from-root (relative->path (car dest))
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(get-dest-directory))
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(if (caddr dest)
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""
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"#")
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(if (caddr dest)
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""
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(cadddr dest))))
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,@(if (string? (element-style e))
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`((class ,(element-style e)))
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null))
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,@(if (null? (element-content e))
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(render-content (strip-aux (cadr dest)) part ri)
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(render-content (element-content e) part ri))))
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(begin
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(when #f
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(fprintf (current-error-port)
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"Undefined link: ~s~n"
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(tag-key (link-element-tag e) ri)))
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`((font ((class "badlink"))
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,@(if (null? (element-content e))
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`(,(format "~s" (tag-key (link-element-tag e) ri)))
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(render-plain-element e part ri))))))))]
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[else (render-plain-element e part ri)]))
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(define/private (render-plain-element e part ri)
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(let ([style (and (element? e)
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(element-style e))])
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(cond
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[(symbol? style)
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(case style
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[(italic) `((i ,@(super render-element e part ri)))]
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[(bold) `((b ,@(super render-element e part ri)))]
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[(tt) `((tt ,@(super render-element e part ri)))]
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[(no-break) `((span ([class "nobreak"]) ,@(super render-element e part ri)))]
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[(sf) `((b (font ([size "-1"][face "Helvetica"]) ,@(super render-element e part ri))))]
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[(subscript) `((sub ,@(super render-element e part ri)))]
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[(superscript) `((sup ,@(super render-element e part ri)))]
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[(hspace) `((span ([class "hspace"])
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,@(let ([str (content->string (element-content e))])
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(map (lambda (c) 'nbsp) (string->list str)))))]
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[else (error 'html-render "unrecognized style symbol: ~e" style)])]
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[(string? style)
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`((span ([class ,style]) ,@(super render-element e part ri)))]
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[(and (pair? style)
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(eq? (car style) 'show-color))
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`((font ((style ,(format "background-color: ~a"
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(apply string-append "#"
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(map (lambda (v) (let ([s (format "0~x" v)])
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(substring s (- (string-length s) 2))))
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(cdr style))))))
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(tt nbsp nbsp nbsp nbsp nbsp))
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nbsp
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,@(super render-element e part ri))]
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[(target-url? style)
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(if (current-no-links)
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(super render-element e part ri)
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(parameterize ([current-no-links #t])
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`((a ((href ,(target-url-addr style))) ,@(super render-element e part ri)))))]
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[(image-file? style) `((img ((src ,(install-file (image-file-path style))))))]
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[else (super render-element e part ri)])))
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(define/override (render-table t part ri)
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`((table ((cellspacing "0")
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,@(case (table-style t)
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[(boxed) '((class "boxed"))]
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[(centered) '((align "center"))]
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[(at-right) '((align "right"))]
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[(at-left) '((align "left"))]
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[else null])
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,@(let ([a (and (list? (table-style t))
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(assoc 'style (table-style t)))])
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(if (and a (string? (cadr a)))
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`((class ,(cadr a)))
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null))
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,@(if (string? (table-style t))
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`((class ,(table-style t)))
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null))
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,@(map (lambda (flows style)
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`(tr (,@(if style
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`((class ,style))
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null))
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,@(let loop ([ds flows]
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[as (cdr (or (and (list? (table-style t))
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(assoc 'alignment (or (table-style t) null)))
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(cons #f (map (lambda (x) #f) flows))))]
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[vas
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(cdr (or (and (list? (table-style t))
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(assoc 'valignment (or (table-style t) null)))
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(cons #f (map (lambda (x) #f) flows))))])
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(if (null? ds)
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null
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(if (eq? (car ds) 'cont)
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(loop (cdr ds) (cdr as) (cdr vas))
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(let ([d (car ds)]
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[a (car as)]
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[va (car vas)])
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(cons
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`(td (,@(case a
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[(#f) null]
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[(right) '((align "right"))]
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[(center) '((align "center"))]
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[(left) '((align "left"))])
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,@(case va
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[(#f) null]
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[(top) '((valign "top"))]
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[(baseline) '((valign "baseline"))]
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[(bottom) '((valign "bottom"))])
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,@(if (and (pair? (cdr ds))
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(eq? 'cont (cadr ds)))
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`((colspan
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,(number->string
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(let loop ([n 2]
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[ds (cddr ds)])
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(cond
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[(null? ds) n]
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[(eq? 'cont (car ds)) (loop (+ n 1) (cdr ds))]
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[else n])))))
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null))
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,@(render-flow d part ri))
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(loop (cdr ds) (cdr as) (cdr vas)))))))))
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(table-flowss t)
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(cdr (or (and (list? (table-style t))
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(assoc 'row-styles (or (table-style t) null)))
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(cons #f (map (lambda (x) #f) (table-flowss t)))))))))
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(define/override (render-blockquote t part ri)
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`((blockquote ,@(if (string? (blockquote-style t))
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`(((class ,(blockquote-style t))))
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null)
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,@(apply append
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(map (lambda (i)
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(render-flow-element i part ri))
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(blockquote-paragraphs t))))))
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(define/override (render-itemization t part ri)
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`((ul
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,@(map (lambda (flow)
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`(li ,@(render-flow flow part ri)))
|
|
(itemization-flows t)))))
|
|
|
|
(define/override (render-other i part ri)
|
|
(cond
|
|
[(string? i) (let ([m (and (extra-breaking?)
|
|
(regexp-match-positions #rx":" i))])
|
|
(if m
|
|
(list* (substring i 0 (cdar m))
|
|
`(span ((class "mywbr")) " ")
|
|
(render-other (substring i (cdar m)) part ri))
|
|
(list i)))]
|
|
[(eq? i 'mdash) `(" " ndash " ")]
|
|
[(eq? i 'hline) `((hr))]
|
|
[(symbol? i) (list i)]
|
|
[else (list (format "~s" i))]))
|
|
|
|
;; ----------------------------------------
|
|
|
|
(super-new)))
|
|
|
|
;; ----------------------------------------
|
|
;; multi-file output
|
|
|
|
(define (render-multi-mixin %)
|
|
(class %
|
|
(inherit render-one
|
|
render-one-part
|
|
render-content
|
|
part-whole-page?
|
|
format-number)
|
|
|
|
(define/override (get-suffix) #"")
|
|
|
|
(define/override (get-dest-directory)
|
|
(or (build-path (or (super get-dest-directory) (current-directory))
|
|
(current-subdirectory))
|
|
(super get-dest-directory)))
|
|
|
|
(define/private (derive-filename d)
|
|
(let ([fn (format "~a.html" (regexp-replace*
|
|
"[^-a-zA-Z0-9_=]"
|
|
(let ([s (cadr (car (part-tags d)))])
|
|
(if (string? s)
|
|
s
|
|
(if (part-title-content d)
|
|
(content->string (part-title-content d))
|
|
;; last-ditch effort to make up a unique name:
|
|
(format "???~a" (eq-hash-code d)))))
|
|
"_"))])
|
|
(when ((string-length fn) . >= . 48)
|
|
(error "file name too long (need a tag):" fn))
|
|
fn))
|
|
|
|
(define/override (collect ds fns)
|
|
(super collect ds (map (lambda (fn)
|
|
(build-path fn "index.html"))
|
|
fns)))
|
|
|
|
(define/override (current-part-whole-page? d)
|
|
((collecting-sub) . <= . 2))
|
|
|
|
(define/private (toc-part? d)
|
|
(part-style? d 'toc))
|
|
|
|
(define/override (collect-part d parent ci number)
|
|
(let ([prev-sub (collecting-sub)])
|
|
(parameterize ([collecting-sub (if (toc-part? d)
|
|
1
|
|
(add1 prev-sub))])
|
|
(if (= 1 prev-sub)
|
|
(let ([filename (derive-filename d)])
|
|
(parameterize ([current-output-file (build-path (path-only (current-output-file))
|
|
filename)])
|
|
(super collect-part d parent ci number)))
|
|
(super collect-part d parent ci number)))))
|
|
|
|
(define/override (render ds fns ri)
|
|
(map (lambda (d fn)
|
|
(printf " [Output to ~a/index.html]\n" fn)
|
|
(unless (directory-exists? fn)
|
|
(make-directory fn))
|
|
(parameterize ([current-subdirectory (file-name-from-path fn)])
|
|
(let ([fn (build-path fn "index.html")])
|
|
(with-output-to-file fn
|
|
(lambda ()
|
|
(render-one d ri fn))
|
|
'truncate/replace))))
|
|
ds
|
|
fns))
|
|
|
|
(define contents-content '("contents"))
|
|
(define index-content '("index"))
|
|
(define prev-content '(larr " prev"))
|
|
(define up-content '("up"))
|
|
(define next-content '("next " rarr))
|
|
(define no-next-content next-content)
|
|
(define sep-element (make-element #f '(nbsp nbsp)))
|
|
|
|
(inherit render-table)
|
|
|
|
(define/private (find-siblings d ri)
|
|
(let ([parent (collected-info-parent (part-collected-info d ri))])
|
|
(let loop ([l (if parent
|
|
(part-parts parent)
|
|
(if (null? (part-parts d))
|
|
(list d)
|
|
(list d (car (part-parts d)))))]
|
|
[prev #f])
|
|
(cond
|
|
[(eq? (car l) d) (values prev
|
|
(and (pair? (cdr l))
|
|
(cadr l)))]
|
|
[else (loop (cdr l) (car l))]))))
|
|
|
|
(define/private (part-parent d ri)
|
|
(collected-info-parent (part-collected-info d ri)))
|
|
|
|
(define/private (navigation d ri)
|
|
(let ([parent (part-parent d ri)])
|
|
(let*-values ([(prev next) (find-siblings d ri)]
|
|
[(prev) (if prev
|
|
(let loop ([prev prev])
|
|
(if (and (toc-part? prev)
|
|
(pair? (part-parts prev)))
|
|
(loop (car (last-pair (part-parts prev))))
|
|
prev))
|
|
(and parent
|
|
(toc-part? parent)
|
|
parent))]
|
|
[(next) (cond
|
|
[(and (toc-part? d)
|
|
(pair? (part-parts d)))
|
|
(car (part-parts d))]
|
|
[(and (not next)
|
|
parent
|
|
(toc-part? parent))
|
|
(let-values ([(prev next)
|
|
(find-siblings parent ri)])
|
|
next)]
|
|
[else next])]
|
|
[(index) (let loop ([d d])
|
|
(let ([p (part-parent d ri)])
|
|
(if p
|
|
(loop p)
|
|
(let ([subs (part-parts d)])
|
|
(and (pair? subs)
|
|
(let ([d (car (last-pair subs))])
|
|
(and (part-style? d 'index)
|
|
d)))))))])
|
|
`(,@(render-table (make-table
|
|
'at-left
|
|
(list
|
|
(cons
|
|
(make-flow
|
|
(list
|
|
(make-paragraph
|
|
(list
|
|
(make-element
|
|
(if parent
|
|
(make-target-url "index.html")
|
|
"nonavigation")
|
|
contents-content)))))
|
|
(if index
|
|
(list
|
|
(make-flow
|
|
(list
|
|
(make-paragraph
|
|
(list
|
|
'nbsp
|
|
(if (eq? d index)
|
|
(make-element
|
|
"nonavigation"
|
|
index-content)
|
|
(make-link-element
|
|
#f
|
|
index-content
|
|
(car (part-tags index)))))))))
|
|
null))))
|
|
d ri)
|
|
,@(render-table (make-table
|
|
'at-right
|
|
(list
|
|
(list
|
|
(make-flow
|
|
(list
|
|
(make-paragraph
|
|
(list
|
|
(make-element
|
|
(if parent
|
|
(make-target-url (if prev
|
|
(derive-filename prev)
|
|
"index.html"))
|
|
"nonavigation")
|
|
prev-content)
|
|
sep-element
|
|
(make-element
|
|
(if parent
|
|
(make-target-url
|
|
(if (toc-part? parent)
|
|
(derive-filename parent)
|
|
"index.html"))
|
|
"nonavigation")
|
|
up-content)
|
|
sep-element
|
|
(make-element
|
|
(if next
|
|
(make-target-url (derive-filename next))
|
|
"nonavigation")
|
|
next-content))))))))
|
|
d
|
|
ri)))))
|
|
|
|
(define/override (render-part d ri)
|
|
(let ([number (collected-info-number (part-collected-info d ri))])
|
|
(cond
|
|
[(and (not (on-separate-page))
|
|
(or (= 1 (length number))
|
|
(next-separate-page)))
|
|
;; Render as just a link, and put the actual
|
|
;; content in a new file:
|
|
(let* ([filename (derive-filename d)]
|
|
[full-path (build-path (path-only (current-output-file))
|
|
filename)])
|
|
(parameterize ([on-separate-page #t])
|
|
(with-output-to-file full-path
|
|
(lambda ()
|
|
(render-one-part d ri full-path number))
|
|
'truncate/replace)
|
|
null))]
|
|
[else
|
|
(let ([sep? (on-separate-page)])
|
|
(parameterize ([next-separate-page (toc-part? d)]
|
|
[on-separate-page #f])
|
|
(if sep?
|
|
;; Navigation bars;
|
|
`(,@(navigation d ri)
|
|
(p nbsp)
|
|
,@(super render-part d ri)
|
|
(p nbsp)
|
|
,@(navigation d ri)
|
|
(p nbsp))
|
|
;; Normal section render
|
|
(super render-part d ri))))])))
|
|
|
|
(super-new)))
|
|
|
|
;; ----------------------------------------
|
|
;; utils
|
|
|
|
(define (from-root p d)
|
|
(if d
|
|
(let ([e-d (explode (path->complete-path d (current-directory)))]
|
|
[e-p (explode (path->complete-path p (current-directory)))])
|
|
(let loop ([e-d e-d]
|
|
[e-p e-p])
|
|
(cond
|
|
[(null? e-d) (let loop ([e-p e-p])
|
|
(cond
|
|
[(null? e-p) "/"]
|
|
[(null? (cdr e-p)) (car e-p)]
|
|
[(eq? 'same (car e-p)) (loop (cdr e-p))]
|
|
[(eq? 'up (car e-p))
|
|
(string-append "../" (loop (cdr e-p)))]
|
|
[else (string-append (car e-p)
|
|
"/"
|
|
(loop (cdr e-p)))]))]
|
|
[(equal? (car e-d) (car e-p))
|
|
(loop (cdr e-d) (cdr e-p))]
|
|
[(eq? 'same (car e-d))
|
|
(loop (cdr e-d) e-p)]
|
|
[(eq? 'same (car e-p))
|
|
(loop e-d (cdr e-p))]
|
|
[else
|
|
(string-append
|
|
(apply string-append (map (lambda (x) "../") e-d))
|
|
(loop null e-p))])))
|
|
p))
|
|
|
|
(define (explode p)
|
|
(reverse (let loop ([p p])
|
|
(let-values ([(base name dir?) (split-path p)])
|
|
(let ([name (if base
|
|
(if (path? name)
|
|
(path-element->string name)
|
|
name)
|
|
name)])
|
|
(if (path? base)
|
|
(cons name (loop base))
|
|
(list name))))))))
|