1205 lines
50 KiB
Scheme
1205 lines
50 KiB
Scheme
#lang scheme/base
|
|
|
|
(require "struct.ss"
|
|
scheme/class
|
|
scheme/path
|
|
scheme/file
|
|
scheme/list
|
|
scheme/string
|
|
mzlib/runtime-path
|
|
setup/main-doc
|
|
setup/main-collects
|
|
setup/dirs
|
|
net/url
|
|
net/base64
|
|
scheme/serialize
|
|
(prefix-in xml: xml/xml)
|
|
(for-syntax scheme/base)
|
|
"search.ss"
|
|
"basic.ss")
|
|
(provide render-mixin
|
|
render-multi-mixin)
|
|
|
|
(xml:empty-tag-shorthand xml:html-empty-tags)
|
|
|
|
(define literal
|
|
(let ([loc (xml:make-location 0 0 0)])
|
|
(lambda strings (xml:make-cdata loc loc (string-append* strings)))))
|
|
(define (ref-style path)
|
|
`(link ([rel "stylesheet"] [type "text/css"] [href ,path] [title "default"])))
|
|
(define (inlined-style . body)
|
|
`(style ([type "text/css"])
|
|
,(apply literal
|
|
`("\n"
|
|
,@(map (lambda (x) (if (string? x) x (format "~a" x))) body)
|
|
"\n"))))
|
|
(define (ref-script path)
|
|
`(script ([type "text/javascript"] [src ,path])))
|
|
(define (inlined-script . body)
|
|
`(script ([type "text/javascript"])
|
|
,(apply literal
|
|
`("\n"
|
|
,@(map (lambda (x) (if (string? x) x (format "~a" x))) body)
|
|
"\n"))))
|
|
|
|
(define-runtime-path scribble-css "scribble.css")
|
|
(define-runtime-path scribble-js "scribble-common.js")
|
|
;; utilities for render-one-part
|
|
(define-values (scribble-css-contents scribble-js-contents)
|
|
(let* ([read-file
|
|
(lambda (file)
|
|
(with-input-from-file file
|
|
(lambda ()
|
|
;; note: file-size can be bigger than the string, but
|
|
;; that's fine.
|
|
(read-string (file-size file)))))]
|
|
[file-getter
|
|
(lambda (default-file make-inline make-ref)
|
|
(let ([c #f])
|
|
(lambda (file path)
|
|
(cond [(not (eq? 'inline path))
|
|
(make-ref (or path (let-values ([(base name dir?)
|
|
(split-path file)])
|
|
(path->string name))))]
|
|
[(or (not file) (equal? file default-file))
|
|
(unless c
|
|
(set! c (make-inline (read-file default-file))))
|
|
c]
|
|
[else (make-inline (read-file file))]))))])
|
|
(values (file-getter scribble-css inlined-style ref-style)
|
|
(file-getter scribble-js inlined-script ref-script))))
|
|
|
|
(define current-subdirectory (make-parameter #f))
|
|
(define current-output-file (make-parameter #f))
|
|
(define current-top-part (make-parameter #f))
|
|
(define on-separate-page (make-parameter #t))
|
|
(define next-separate-page (make-parameter #f))
|
|
(define collecting-sub (make-parameter 0))
|
|
(define current-no-links (make-parameter #f))
|
|
(define extra-breaking? (make-parameter #f))
|
|
(define current-version (make-parameter (version)))
|
|
|
|
(define (toc-part? d)
|
|
(part-style? d 'toc))
|
|
|
|
;; HTML anchors should be case-insensitively unique. To make them
|
|
;; distinct, add a "." in front of capital letters. Also clean up
|
|
;; characters that give browers trouble (i.e., the ones that are not
|
|
;; allowed as-in in URI codecs) by using "~" followed by a hex
|
|
;; encoding. (The idea is that the result is still readable, so the
|
|
;; link can be used as a rough indication of where you'll get to.)
|
|
(define (anchor-name v)
|
|
(define (encode-byte b)
|
|
(string-append (if (< b 16) "~0" "~") (number->string b 16)))
|
|
(define (encode-str str)
|
|
(if (regexp-match? #px"[^[:ascii:]]" str)
|
|
(string-append* (map encode-byte (bytes->list (string->bytes/utf-8 str))))
|
|
(encode-byte (char->integer (string-ref str 0)))))
|
|
(if (literal-anchor? v)
|
|
(literal-anchor-string v)
|
|
(let* ([v (format "~a" v)]
|
|
[v (regexp-replace* #rx"[A-Z.]" v ".&")]
|
|
[v (regexp-replace* #rx" " v "._")]
|
|
[v (regexp-replace* #rx"\"" v ".'")]
|
|
[v (regexp-replace* #rx"[^-a-zA-Z0-9_!+*'()/.,]" v encode-str)])
|
|
v)))
|
|
|
|
(define-serializable-struct literal-anchor (string))
|
|
|
|
#; ; no need for these index-local searches
|
|
#reader scribble/reader (begin ; easier to format
|
|
|
|
(define search-script
|
|
@inlined-script{
|
|
var search_nodes = null;
|
|
var last_search_terms = null;
|
|
function node_to_text(node) {
|
|
if (node.nodeType == 3) return node.nodeValue;
|
|
var r = "";
|
|
var children = node.childNodes;
|
|
for (var i=0@";" i<children.length@";" i++) {
|
|
r = r + node_to_text(children[i]);
|
|
}
|
|
return r;
|
|
}
|
|
var search_box = null;
|
|
function initialize_search() {
|
|
var all_links = document.getElementsByTagName("a");
|
|
search_nodes = new Array();
|
|
for (var i=0@";" i<all_links.length@";" i++)
|
|
if (all_links[i].className == "indexlink") {
|
|
all_links[i].flat_text = node_to_text(all_links[i]).toLowerCase();
|
|
search_nodes.push(all_links[i]);
|
|
}
|
|
search_box = document.getElementById("search_box");
|
|
if (location.search.length > 0) {
|
|
var paramstrs = location.search.substring(1).split(/[@";"&]/);
|
|
for (var i in paramstrs) {
|
|
var param = paramstrs[i].split(/=/);
|
|
if (param.length == 2 && param[0] == "q") {
|
|
search_box.value = unescape(param[1]).replace(/\+/g," ");
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
if (search_box.value != "") do_search(search_box.value);
|
|
search_box.focus();
|
|
search_box.select();
|
|
}
|
|
window.onload = initialize_search;
|
|
function do_search(terms) {
|
|
terms = terms.toLowerCase();
|
|
if (terms == last_search_terms) return;
|
|
last_search_terms = terms;
|
|
terms = terms.split(/ +/);
|
|
var none = true;
|
|
for (var i=0@";" i<search_nodes.length@";" i++) {
|
|
var show = true, curtext = search_nodes[i].flat_text;
|
|
for (var j=0@";" j<terms.length@";" j++) {
|
|
if (terms[j] != "" && curtext.indexOf(terms[j]) < 0) {
|
|
show = false;
|
|
break;
|
|
}
|
|
}
|
|
if (show) none = false;
|
|
var style = search_nodes[i].style;
|
|
var newdisp = show ? "block" : "none";
|
|
if (newdisp != style.display) style.display = newdisp;
|
|
}
|
|
search_box.style.backgroundColor = none ? "#ffe0e0" : "white";
|
|
}
|
|
var search_timer = null;
|
|
function delayed_search(str, event) {
|
|
if (event && event.keyCode == 13) {
|
|
do_search(str);
|
|
} else {
|
|
if (search_timer != null) {
|
|
var t = search_timer;
|
|
search_timer = null;
|
|
clearTimeout(t);
|
|
}
|
|
search_timer = setTimeout(function(){do_search(str)@";"}, 1000);
|
|
}
|
|
}})
|
|
|
|
(define search-field
|
|
@`p{Search: @(input ([type "text"] [id "search_box"]
|
|
[onchange "delayed_search(this.value,event);"]
|
|
[onkeyup "delayed_search(this.value,event);"]))})
|
|
|
|
)
|
|
|
|
(define (make-search-box top-path) ; appears on every page
|
|
(let ([sa string-append]
|
|
[emptylabel "...search manuals..."]
|
|
[dimcolor "#888"])
|
|
`(input
|
|
([style ,(sa "width: 16em; margin: 0px; padding: 0px;"
|
|
" background-color: #eee; color: "dimcolor";"
|
|
" border: 1px solid #ddd;"
|
|
" text-align: center; vertical-align: middle;")]
|
|
[type "text"]
|
|
[value ,emptylabel]
|
|
[title "Enter a search string to search the manuals"]
|
|
[onkeypress ,(format "return DoSearchKey(event, this, ~s, ~s);"
|
|
(version) top-path)]
|
|
[onfocus ,(sa "this.style.color=\"black\"; "
|
|
"this.style.textAlign=\"left\"; "
|
|
"if (this.value == \""emptylabel"\") this.value=\"\";")]
|
|
[onblur ,(sa "if (this.value.match(/^ *$/)) {"
|
|
" this.style.color=\""dimcolor"\";"
|
|
" this.style.textAlign=\"center\";"
|
|
" this.value=\""emptylabel"\"; }")]))))
|
|
(define search-box (make-search-box "../"))
|
|
(define top-search-box (make-search-box ""))
|
|
|
|
;; ----------------------------------------
|
|
;; main mixin
|
|
|
|
(define (render-mixin %)
|
|
(class %
|
|
(inherit render-content
|
|
render-block
|
|
collect-part
|
|
install-file
|
|
get-dest-directory
|
|
format-number
|
|
quiet-table-of-contents)
|
|
|
|
(init-field [css-path #f]
|
|
;; up-path is either a link "up", or #t which uses
|
|
;; goes to start page (using cookies to get to the
|
|
;; user start page)
|
|
[up-path #f]
|
|
[style-file #f]
|
|
[script-path #f]
|
|
[script-file #f])
|
|
|
|
(define/override (get-suffix) #".html")
|
|
|
|
(define/override (index-manual-newlines?)
|
|
#t)
|
|
|
|
;; ----------------------------------------
|
|
|
|
(inherit path->root-relative
|
|
root-relative->path)
|
|
|
|
(define (path->relative p)
|
|
(let ([p (path->main-doc-relative p)])
|
|
(if (path? p)
|
|
(let ([p (path->main-collects-relative p)])
|
|
(if (path? p)
|
|
(path->root-relative p)
|
|
(intern-taglet p)))
|
|
(intern-taglet p))))
|
|
|
|
(define (relative->path p)
|
|
(let ([p (main-doc-relative->path p)])
|
|
(if (path? p)
|
|
p
|
|
(let ([p (main-collects-relative->path p)])
|
|
(if (path? p)
|
|
p
|
|
(root-relative->path p))))))
|
|
|
|
;; ----------------------------------------
|
|
|
|
(define/override (start-collect ds fns ci)
|
|
(map (lambda (d fn)
|
|
(parameterize ([current-output-file fn]
|
|
[current-top-part d])
|
|
(collect-part d #f ci null)))
|
|
ds
|
|
fns))
|
|
|
|
(define/public (part-whole-page? p ri)
|
|
(let ([dest (resolve-get p ri (car (part-tags p)))])
|
|
(dest-page? dest)))
|
|
|
|
(define/public (current-part-whole-page? d)
|
|
(eq? d (current-top-part)))
|
|
|
|
(define/override (collect-part-tags d ci number)
|
|
(for ([t (part-tags d)])
|
|
(let ([key (generate-tag t ci)])
|
|
(collect-put! ci key
|
|
(vector (and (current-output-file)
|
|
(path->relative (current-output-file)))
|
|
(or (part-title-content d) '("???"))
|
|
(current-part-whole-page? d)
|
|
key)))))
|
|
|
|
(define/override (collect-target-element i ci)
|
|
(let ([key (generate-tag (target-element-tag i) ci)])
|
|
(collect-put! ci key
|
|
(vector (path->relative
|
|
(let ([p (current-output-file)])
|
|
(if (redirect-target-element? i)
|
|
(let-values ([(base name dir?) (split-path p)])
|
|
(build-path base
|
|
(redirect-target-element-alt-path i)))
|
|
p)))
|
|
#f
|
|
(page-target-element? i)
|
|
(if (redirect-target-element? i)
|
|
(make-literal-anchor
|
|
(redirect-target-element-alt-anchor i))
|
|
key)))))
|
|
|
|
(define (dest-path dest)
|
|
(if (vector? dest) ; temporary
|
|
(vector-ref dest 0)
|
|
(list-ref dest 0)))
|
|
(define (dest-title dest)
|
|
(if (vector? dest)
|
|
(vector-ref dest 1)
|
|
(list-ref dest 1)))
|
|
(define (dest-page? dest)
|
|
(if (vector? dest)
|
|
(vector-ref dest 2)
|
|
(list-ref dest 2)))
|
|
(define (dest-anchor dest)
|
|
(if (vector? dest)
|
|
(vector-ref dest 3)
|
|
(list-ref dest 3)))
|
|
|
|
;; ----------------------------------------
|
|
|
|
(define external-tag-path #f)
|
|
(define/public (set-external-tag-path p)
|
|
(set! external-tag-path p))
|
|
|
|
(define/public (tag->path+anchor ri tag)
|
|
;; Called externally; not used internally
|
|
(let-values ([(dest ext?) (resolve-get/ext? #f ri tag)])
|
|
(cond [(not dest) (values #f #f)]
|
|
[(and ext? external-tag-path)
|
|
(values external-tag-path (format "~a" (serialize tag)))]
|
|
[else (values (relative->path (dest-path dest))
|
|
(and (not (dest-page? dest))
|
|
(anchor-name (dest-anchor dest))))])))
|
|
|
|
;; ----------------------------------------
|
|
|
|
(define/private (reveal-subparts? p) ;!!! need to use this
|
|
(part-style? p 'reveal))
|
|
|
|
(define/public (toc-wrap table)
|
|
null)
|
|
|
|
(define/public (render-toc-view d ri)
|
|
(define toc-chain
|
|
(let loop ([d d] [r (if (pair? (part-parts d)) (list d) '())])
|
|
(cond [(collected-info-parent (part-collected-info d ri))
|
|
=> (lambda (p) (loop p (cons p r)))]
|
|
[(pair? r) r]
|
|
;; we have no toc, so use just the current part
|
|
[else (list d)])))
|
|
(define top (car toc-chain))
|
|
(define (toc-item->title+num t show-mine?)
|
|
(values
|
|
`((a ([href ,(let ([dest (resolve-get t ri (car (part-tags t)))])
|
|
(format "~a~a~a"
|
|
(from-root (relative->path (dest-path dest))
|
|
(get-dest-directory))
|
|
(if (dest-page? dest) "" "#")
|
|
(if (dest-page? dest)
|
|
""
|
|
(anchor-name (dest-anchor dest)))))]
|
|
[class ,(if (or (eq? t d) (and show-mine? (memq t toc-chain)))
|
|
"tocviewselflink"
|
|
"tocviewlink")])
|
|
,@(render-content (or (part-title-content t) '("???")) d ri)))
|
|
(format-number (collected-info-number (part-collected-info t ri))
|
|
'(nbsp))))
|
|
(define (toc-item->block t i)
|
|
(define-values (title num) (toc-item->title+num t #f))
|
|
(define children (part-parts t)) ; note: might be empty
|
|
(define id (format "tocview_~a" i))
|
|
(define expand? (eq? t (last toc-chain)))
|
|
(define top? (eq? t top))
|
|
(define header
|
|
`(table ([cellspacing "0"] [cellpadding "0"])
|
|
(tr ()
|
|
(td ([style "width: 1em;"])
|
|
,(if (null? children)
|
|
'bull
|
|
`(a ([href "javascript:void(0);"]
|
|
[title "Expand/Collapse"]
|
|
[class "tocviewtoggle"]
|
|
[onclick ,(format "TocviewToggle(this,\"~a\");" id)])
|
|
,(if expand? 9660 9658))))
|
|
(td () ,@num)
|
|
(td () ,@title))))
|
|
`(div ([class "tocviewlist"]
|
|
,@(if top? `([style "margin-bottom: 1em;"]) '()))
|
|
,(if top? `(div ([class "tocviewtitle"]) ,header) header)
|
|
,(if (null? children)
|
|
""
|
|
`(div ([class "tocviewsublist"]
|
|
[style ,(format "display: ~a; margin-bottom: ~aem;"
|
|
(if expand? 'block 'none)
|
|
(if top? 0 1))]
|
|
[id ,id])
|
|
(table ([cellspacing "0"] [cellpadding "0"])
|
|
,@(for/list ([c children])
|
|
(let-values ([(t n) (toc-item->title+num c #t)])
|
|
`(tr () (td ([align "right"]) ,@n) (td () ,@t)))))))))
|
|
(define (toc-content)
|
|
;; no links -- the code constructs links where needed
|
|
(parameterize ([current-no-links #t]
|
|
[extra-breaking? #t])
|
|
(for/list ([t toc-chain] [i (in-naturals)])
|
|
(toc-item->block t i))))
|
|
`((div ([class "tocset"])
|
|
,@(if (part-style? d 'no-toc)
|
|
null
|
|
;; toc-wrap determines if we get the toc or just the title !!!
|
|
`((div ([class "tocview"]) ,@(toc-content))))
|
|
,@(render-onthispage-contents
|
|
d ri top (if (part-style? d 'no-toc) "tocview" "tocsub"))
|
|
,@(parameterize ([extra-breaking? #t])
|
|
(append-map
|
|
(lambda (t)
|
|
(let loop ([t t])
|
|
(if (table? t)
|
|
(render-table t d ri #f)
|
|
(loop (delayed-block-blocks t ri)))))
|
|
(filter (lambda (e)
|
|
(let loop ([e e])
|
|
(or (and (auxiliary-table? e)
|
|
(pair? (table-flowss e)))
|
|
(and (delayed-block? e)
|
|
(loop (delayed-block-blocks e ri))))))
|
|
(flow-paragraphs (part-flow d))))))))
|
|
|
|
(define/public (get-onthispage-label)
|
|
null)
|
|
|
|
(define/public (nearly-top? d ri top)
|
|
#f)
|
|
|
|
(define/private (render-onthispage-contents d ri top box-class)
|
|
(if (ormap (lambda (p) (part-whole-page? p ri))
|
|
(part-parts d))
|
|
null
|
|
(let ([nearly-top? (lambda (d) (nearly-top? d ri top))])
|
|
(define (flow-targets flow)
|
|
(append-map block-targets (flow-paragraphs flow)))
|
|
(define (block-targets e)
|
|
(cond [(table? e) (table-targets e)]
|
|
[(paragraph? e) (para-targets e)]
|
|
[(itemization? e)
|
|
(append-map flow-targets (itemization-flows e))]
|
|
[(blockquote? e)
|
|
(append-map block-targets (blockquote-paragraphs e))]
|
|
[(delayed-block? e) null]))
|
|
(define (para-targets para)
|
|
(let loop ([c (paragraph-content para)])
|
|
(define a (and (pair? c) (car c)))
|
|
(cond
|
|
[(null? c) null]
|
|
[(toc-target-element? a) (cons a (loop (cdr c)))]
|
|
[(toc-element? a) (cons a (loop (cdr c)))]
|
|
[(element? a)
|
|
(append (loop (element-content a)) (loop (cdr c)))]
|
|
[(delayed-element? a)
|
|
(loop (append (delayed-element-content a ri) (cdr c)))]
|
|
[(part-relative-element? a)
|
|
(loop (append (part-relative-element-content a ri) (cdr c)))]
|
|
[else (loop (cdr c))])))
|
|
(define (table-targets table)
|
|
(append-map
|
|
(lambda (flows)
|
|
(append-map (lambda (f) (if (eq? f 'cont) null (flow-targets f)))
|
|
flows))
|
|
(table-flowss table)))
|
|
(define ps
|
|
((if (nearly-top? d) values cdr)
|
|
(let flatten ([d d])
|
|
(append*
|
|
;; don't include the section if it's in the TOC
|
|
(if (nearly-top? d) null (list d))
|
|
;; get internal targets:
|
|
(append-map block-targets (flow-paragraphs (part-flow d)))
|
|
(map flatten (part-parts d))))))
|
|
(define any-parts? (ormap part? ps))
|
|
(if (null? ps)
|
|
null
|
|
`((div ([class ,box-class])
|
|
,@(get-onthispage-label)
|
|
(table ([class "tocsublist"] [cellspacing "0"])
|
|
,@(map (lambda (p)
|
|
`(tr
|
|
(td
|
|
,@(if (part? p)
|
|
`((span ([class "tocsublinknumber"])
|
|
,@(format-number
|
|
(collected-info-number
|
|
(part-collected-info p ri))
|
|
'((tt nbsp)))))
|
|
'(""))
|
|
,@(if (toc-element? p)
|
|
(render-content (toc-element-toc-content p)
|
|
d ri)
|
|
(parameterize ([current-no-links #t]
|
|
[extra-breaking? #t])
|
|
`((a ([href
|
|
,(format
|
|
"#~a"
|
|
(anchor-name
|
|
(tag-key (if (part? p)
|
|
(car (part-tags p))
|
|
(target-element-tag p))
|
|
ri)))]
|
|
[class
|
|
,(cond
|
|
[(part? p) "tocsubseclink"]
|
|
[any-parts? "tocsubnonseclink"]
|
|
[else "tocsublink"])])
|
|
,@(render-content
|
|
(if (part? p)
|
|
(or (part-title-content p)
|
|
'("???"))
|
|
(element-content p))
|
|
d ri))))))))
|
|
ps))))))))
|
|
|
|
(define/public (render-one-part d ri fn number)
|
|
(parameterize ([current-output-file fn])
|
|
(let* ([style-file (or style-file scribble-css)]
|
|
[script-file (or script-file scribble-js)]
|
|
[title (cond [(part-title-content d)
|
|
=> (lambda (c)
|
|
`(title ,@(format-number number '(nbsp))
|
|
,(content->string c this d ri)))]
|
|
[else `(title)])])
|
|
(unless css-path (install-file style-file))
|
|
(unless script-path (install-file script-file))
|
|
(printf "<!DOCTYPE html PUBLIC ~s ~s>\n"
|
|
"-//W3C//DTD HTML 4.0 Transitional//EN"
|
|
"http://www.w3.org/TR/html4/loose.dtd")
|
|
(xml:write-xml/content
|
|
(xml:xexpr->xml
|
|
`(html ()
|
|
(head ()
|
|
(meta ([http-equiv "content-type"]
|
|
[content "text-html; charset=utf-8"]))
|
|
,title
|
|
,(scribble-css-contents style-file css-path)
|
|
,(scribble-js-contents script-file script-path))
|
|
(body ()
|
|
,@(render-toc-view d ri)
|
|
(div ([class "maincolumn"])
|
|
(div ([class "main"])
|
|
,@(render-version d ri)
|
|
,@(navigation d ri #t)
|
|
,@(render-part d ri)
|
|
,@(navigation d ri #f))))))))))
|
|
|
|
(define/private (part-parent d ri)
|
|
(collected-info-parent (part-collected-info d ri)))
|
|
|
|
(define/private (find-siblings d ri)
|
|
(let ([parent (collected-info-parent (part-collected-info d ri))])
|
|
(let loop ([l (cond
|
|
[parent (part-parts parent)]
|
|
[(or (null? (part-parts d))
|
|
(not (part-whole-page? (car (part-parts d)) ri)))
|
|
(list d)]
|
|
[else (list d (car (part-parts d)))])]
|
|
[prev #f])
|
|
(if (eq? (car l) d)
|
|
(values prev (and (pair? (cdr l)) (cadr l)))
|
|
(loop (cdr l) (car l))))))
|
|
|
|
(define top-content '("top"))
|
|
(define contents-content '("contents"))
|
|
(define index-content '("index"))
|
|
(define prev-content '(larr " prev"))
|
|
(define up-content '("up"))
|
|
(define next-content '("next " rarr))
|
|
(define sep-element (make-element #f '(nbsp nbsp)))
|
|
|
|
(define/public (derive-filename d) "bad.html")
|
|
|
|
(define/private (navigation d ri top?)
|
|
(define parent (part-parent d ri))
|
|
(define-values (prev0 next0) (find-siblings d ri))
|
|
(define prev
|
|
(if prev0
|
|
(let loop ([p prev0])
|
|
(if (and (toc-part? p) (pair? (part-parts p)))
|
|
(loop (last (part-parts p)))
|
|
p))
|
|
(and parent (toc-part? parent) parent)))
|
|
(define next
|
|
(cond [(and (toc-part? d) (pair? (part-parts d))) (car (part-parts d))]
|
|
[(not next0)
|
|
(let loop ([p parent])
|
|
(and p (toc-part? p)
|
|
(let-values ([(prev next) (find-siblings p ri)])
|
|
(or next (loop (part-parent p ri))))))]
|
|
[else next0]))
|
|
(define 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 (last subs)])
|
|
(and (part-style? d 'index)
|
|
d))))))))
|
|
(define (render . content)
|
|
(render-content (filter values content) d ri))
|
|
(define (titled-url label x #:title-from [tfrom #f] . more)
|
|
(define-values (url title)
|
|
(cond [(part? x)
|
|
(values
|
|
(derive-filename x)
|
|
(string-append
|
|
"\""
|
|
(content->string
|
|
(append (format-number (collected-info-number
|
|
(part-collected-info x ri))
|
|
'(" "))
|
|
(part-title-content x)))
|
|
"\""))]
|
|
[(equal? x "index.html") (values x "the manual top")]
|
|
[(equal? x "../index.html") (values x "the documentation top")]
|
|
[(string? x) (values x #f)]
|
|
[else (error 'navigation "internal error ~e" x)]))
|
|
(define title*
|
|
(if (and tfrom (part? tfrom))
|
|
(string-append
|
|
"\"" (content->string (part-title-content tfrom)) "\"")
|
|
title))
|
|
(make-target-url url
|
|
(make-with-attributes #f
|
|
`([title . ,(if title* (string-append label " to " title*) label)]
|
|
,@more))))
|
|
(define top-link
|
|
(titled-url
|
|
"up" "../index.html"
|
|
`[onclick . ,(format "return GotoPLTRoot(\"~a\");" (version))]))
|
|
(define navleft
|
|
`(span ([class "navleft"])
|
|
,(if up-path search-box top-search-box)
|
|
,@(render
|
|
sep-element
|
|
(and up-path (make-element top-link top-content))
|
|
;; sep-element
|
|
;; (make-element
|
|
;; (if parent (make-target-url "index.html" #f) "nonavigation")
|
|
;; contents-content)
|
|
;; sep-element
|
|
;; (if (or (not index) (eq? d index))
|
|
;; (make-element "nonavigation" index-content)
|
|
;; (make-link-element #f index-content (car (part-tags index))))
|
|
)))
|
|
(define navright
|
|
(if (not (or parent up-path next))
|
|
""
|
|
`(span ([class "navright"])
|
|
,@(render
|
|
(make-element
|
|
(cond [(not parent) "nonavigation"]
|
|
[prev (titled-url "backward" prev)]
|
|
[else (titled-url "backward" "index.html"
|
|
#:title-from
|
|
(and (part? parent) parent))])
|
|
prev-content)
|
|
sep-element
|
|
(make-element
|
|
(cond
|
|
[(and (part? parent) (toc-part? parent)
|
|
(part-parent parent ri))
|
|
(titled-url "up" parent)]
|
|
[parent (titled-url "up" "index.html" #:title-from parent)]
|
|
;; up-path = #t => go up to the start page, using
|
|
;; cookies to get to the user's version of it (see
|
|
;; scribblings/main/private/utils for the code that
|
|
;; creates these cookies.)
|
|
[(eq? #t up-path) top-link]
|
|
[up-path (titled-url "up" up-path)]
|
|
[else "nonavigation"])
|
|
up-content)
|
|
sep-element
|
|
(make-element
|
|
(if next (titled-url "forward" next) "nonavigation")
|
|
next-content)))))
|
|
(define navbar
|
|
`(div ([class "navset"]
|
|
[style ,(let ([v (if top? 'bottom 'top)])
|
|
(format "margin-~a: 2em; border-~a: ~a"
|
|
v v "2px solid #e0e0c0;"))])
|
|
,navleft ,navright nbsp)) ; need nbsp to make the navset bg visible
|
|
(list navbar))
|
|
|
|
(define/override (render-one d ri fn)
|
|
(render-one-part d ri fn null))
|
|
|
|
(define/public (render-version d ri)
|
|
`((div ([class "versionbox"])
|
|
,@(render-content
|
|
(list (make-element "version"
|
|
(list "Version: " (current-version))))
|
|
d
|
|
ri))))
|
|
|
|
(define/override (render-part d ri)
|
|
(let ([number (collected-info-number (part-collected-info d ri))])
|
|
`(,@(cond
|
|
[(and (not (part-title-content d)) (null? number)) null]
|
|
[(part-style? d 'hidden)
|
|
(map (lambda (t)
|
|
`(a ((name ,(format "~a" (anchor-name (tag-key t ri)))))))
|
|
(part-tags d))]
|
|
[else `((,(case (length number)
|
|
[(0) 'h2]
|
|
[(1) 'h3]
|
|
[(2) 'h4]
|
|
[else 'h5])
|
|
,@(format-number number '((tt nbsp)))
|
|
,@(map (lambda (t)
|
|
`(a ([name ,(format "~a" (anchor-name
|
|
(tag-key t ri)))])))
|
|
(part-tags d))
|
|
,@(if (part-title-content d)
|
|
(render-content (part-title-content d) d ri)
|
|
null)))])
|
|
,@(render-flow* (part-flow d) d ri #f #f)
|
|
,@(let loop ([pos 1]
|
|
[secs (part-parts d)])
|
|
(if (null? secs)
|
|
null
|
|
(append (render-part (car secs) ri)
|
|
(loop (add1 pos) (cdr secs))))))))
|
|
|
|
(define/private (render-flow* p part ri start-inline? special-last?)
|
|
;; Wrap each table with <p>, except for a trailing table
|
|
;; when `special-last?' is #t
|
|
(let loop ([f (flow-paragraphs p)] [inline? start-inline?])
|
|
(cond
|
|
[(null? f) null]
|
|
[(and (table? (car f))
|
|
(or (not special-last?) (not (null? (cdr f)))))
|
|
(cons `(p ,@(render-block (car f) part ri inline?))
|
|
(loop (cdr f) #f))]
|
|
[else (append (render-block (car f) part ri inline?)
|
|
(loop (cdr f) #f))])))
|
|
|
|
(define/override (render-flow p part ri start-inline?)
|
|
(render-flow* p part ri start-inline? #t))
|
|
|
|
(define/override (render-paragraph p part ri)
|
|
`((p ,(if (styled-paragraph? p)
|
|
`([class ,(styled-paragraph-style p)])
|
|
`())
|
|
,@(super render-paragraph p part ri))))
|
|
|
|
(define/override (render-element e part ri)
|
|
(cond
|
|
[(hover-element? e)
|
|
`((span ([title ,(hover-element-text e)])
|
|
,@(render-plain-element e part ri)))]
|
|
[(script-element? e)
|
|
(let* ([t `[type ,(script-element-type e)]]
|
|
[s (script-element-script e)]
|
|
[s (if (list? s)
|
|
`(script (,t) ,(apply literal `("\n" ,@s "\n")))
|
|
`(script (,t [src ,s])))])
|
|
(list s
|
|
;; mynoscript hack doesn't always work (see the
|
|
;; (commented) hack in scribble-common.js)
|
|
`(noscript ,@(render-plain-element e part ri))))]
|
|
[(target-element? e)
|
|
`((a ([name ,(format "~a" (anchor-name (tag-key (target-element-tag e)
|
|
ri)))]))
|
|
,@(render-plain-element e part ri))]
|
|
[(and (link-element? e) (not (current-no-links)))
|
|
(parameterize ([current-no-links #t])
|
|
(let-values ([(dest ext?)
|
|
(resolve-get/ext? part ri (link-element-tag e))])
|
|
(if dest
|
|
`((a [(href
|
|
,(if (and ext? external-tag-path)
|
|
;; Redirected to search:
|
|
(format "~a;tag=~a"
|
|
external-tag-path
|
|
(base64-encode
|
|
(string->bytes/utf-8
|
|
(format "~a" (serialize
|
|
(link-element-tag e))))))
|
|
;; Normal link:
|
|
(format "~a~a~a"
|
|
(from-root (relative->path (dest-path dest))
|
|
(get-dest-directory))
|
|
(if (dest-page? dest) "" "#")
|
|
(if (dest-page? dest)
|
|
""
|
|
(anchor-name (dest-anchor dest))))))
|
|
,@(if (string? (element-style e))
|
|
`([class ,(element-style e)])
|
|
null)]
|
|
,@(if (null? (element-content e))
|
|
(render-content (strip-aux (dest-title dest)) part ri)
|
|
(render-content (element-content e) part ri))))
|
|
(begin
|
|
(when #f
|
|
(fprintf (current-error-port)
|
|
"Undefined link: ~s~n"
|
|
(tag-key (link-element-tag e) ri)))
|
|
`((font ([class "badlink"])
|
|
,@(if (null? (element-content e))
|
|
`(,(format "~s" (tag-key (link-element-tag e) ri)))
|
|
(render-plain-element e part ri))))))))]
|
|
[else
|
|
(when (render-element? e)
|
|
((render-element-render e) this part ri))
|
|
(render-plain-element e part ri)]))
|
|
|
|
(define/private (render-plain-element e part ri)
|
|
(let* ([raw-style (flatten-style (and (element? e) (element-style e)))]
|
|
[style (if (with-attributes? raw-style)
|
|
(with-attributes-style raw-style)
|
|
raw-style)])
|
|
(define (attribs)
|
|
(if (with-attributes? raw-style)
|
|
(map (lambda (p) (list (car p) (cdr p)))
|
|
(with-attributes-assoc raw-style))
|
|
null))
|
|
(define (render* [x 'span])
|
|
;; x can be a tag name, or a list of attributes, or a tag followed by
|
|
;; a list of attributes (internal use: no error checking!)
|
|
(let-values ([(tag attribs)
|
|
(cond [(symbol? x) (values x (attribs))]
|
|
[(symbol? (car x))
|
|
(unless (null? (cddr x)) (error "boom"))
|
|
(values (car x) (append (cadr x) (attribs)))]
|
|
[else (values 'span (append x (attribs)))])]
|
|
[(content) (super render-element e part ri)])
|
|
(if (and (eq? 'span tag) (null? attribs))
|
|
content
|
|
`((,tag ,attribs ,@content)))))
|
|
(cond
|
|
[(symbol? style)
|
|
(case style
|
|
[(italic) (render* 'i)]
|
|
[(bold) (render* 'b)]
|
|
[(tt) (render* '([class "stt"]))]
|
|
[(no-break) (render* '([class "nobreak"]))]
|
|
[(sf) `((b ,@(render* '(font ([size "-1"] [face "Helvetica"])))))]
|
|
[(subscript) (render* 'sub)]
|
|
[(superscript) (render* 'sup)]
|
|
[(hspace)
|
|
`((span ([class "hspace"] . ,(attribs))
|
|
,@(let ([str (content->string (element-content e))])
|
|
(map (lambda (c) 'nbsp) (string->list str)))))]
|
|
[(newline) `((br ,(attribs)))]
|
|
[else (error 'html-render "unrecognized style symbol: ~e" style)])]
|
|
[(string? style) (render* `([class ,style]))]
|
|
[(and (pair? style) (memq (car style) '(color bg-color)))
|
|
(unless (and (list? style)
|
|
(case (length style)
|
|
[(4) (andmap byte? (cdr style))]
|
|
[(2) (member (cadr style)
|
|
'("white" "black" "red" "green" "blue"
|
|
"cyan" "magenta" "yellow"))]
|
|
[else #f]))
|
|
(error 'render-font "bad color style: ~e" style))
|
|
(render* `(font
|
|
([style
|
|
,(format "~acolor: ~a"
|
|
(if (eq? (car style) 'bg-color) "background-" "")
|
|
(if (= 2 (length style))
|
|
(cadr style)
|
|
(string-append*
|
|
"#"
|
|
(map (lambda (v)
|
|
(let ([s (number->string v 16)])
|
|
(if (< v 16) (string-append "0" s) s)))
|
|
(cdr style)))))])))]
|
|
[(target-url? style)
|
|
(if (current-no-links)
|
|
(render*)
|
|
(parameterize ([current-no-links #t])
|
|
(render* `(a ([href ,(let ([addr (target-url-addr style)])
|
|
(if (path? addr)
|
|
(from-root addr (get-dest-directory))
|
|
addr))]
|
|
;; The target-url chains to another style,
|
|
;; flatten-style above takes care of it though.
|
|
,@(let ([style (target-url-style style)])
|
|
(if (string? style)
|
|
`([class ,style])
|
|
null)))))))]
|
|
[(url-anchor? style)
|
|
(render* `(a ([name ,(url-anchor-name style)])))]
|
|
[(image-file? style)
|
|
(let* ([src (main-collects-relative->path (image-file-path style))]
|
|
[scale (image-file-scale style)]
|
|
[to-num
|
|
(lambda (s)
|
|
(number->string
|
|
(inexact->exact
|
|
(floor (* scale (integer-bytes->integer s #f #t))))))]
|
|
[sz (if (= 1.0 scale)
|
|
null
|
|
;; Try to extract file size:
|
|
(call-with-input-file*
|
|
src
|
|
(lambda (in)
|
|
(if (regexp-try-match #px#"^\211PNG.{12}" in)
|
|
`([width ,(to-num (read-bytes 4 in))]
|
|
[height ,(to-num (read-bytes 4 in))])
|
|
null))))])
|
|
`((img ([src ,(let ([p (install-file src)])
|
|
(if (path? p)
|
|
(url->string (path->url (path->complete-path p)))
|
|
p))]
|
|
. ,(attribs))
|
|
,@sz)))]
|
|
[else (render*)])))
|
|
|
|
(define/override (render-table t part ri need-inline?)
|
|
(define t-style (table-style t))
|
|
(define t-style-get (if (and (pair? t-style) (list? t-style))
|
|
(lambda (k) (assoc k t-style))
|
|
(lambda (k) #f)))
|
|
(define (make-row flows style)
|
|
`(tr (,@(if style `([class ,style]) null))
|
|
,@(let loop ([ds flows]
|
|
[as (cdr (or (t-style-get 'alignment)
|
|
(cons #f (map (lambda (x) #f) flows))))]
|
|
[vas (cdr (or (t-style-get 'valignment)
|
|
(cons #f (map (lambda (x) #f) flows))))])
|
|
(cond
|
|
[(null? ds) null]
|
|
[(eq? (car ds) 'cont)
|
|
(loop (cdr ds) (cdr as) (cdr vas))]
|
|
[else
|
|
(let ([d (car ds)] [a (car as)] [va (car vas)])
|
|
(cons
|
|
`(td (,@(case a
|
|
[(#f) null]
|
|
[(right) '([align "right"])]
|
|
[(center) '([align "center"])]
|
|
[(left) '([align "left"])])
|
|
,@(case va
|
|
[(#f) null]
|
|
[(top) '((valign "top"))]
|
|
[(baseline) '((valign "baseline"))]
|
|
[(bottom) '((valign "bottom"))])
|
|
,@(if (and (pair? (cdr ds))
|
|
(eq? 'cont (cadr ds)))
|
|
`([colspan
|
|
,(number->string
|
|
(let loop ([n 2] [ds (cddr ds)])
|
|
(cond [(null? ds) n]
|
|
[(eq? 'cont (car ds))
|
|
(loop (+ n 1) (cdr ds))]
|
|
[else n])))])
|
|
null))
|
|
,@(render-flow d part ri #f))
|
|
(loop (cdr ds) (cdr as) (cdr vas))))]))))
|
|
`((table ([cellspacing "0"]
|
|
,@(if need-inline?
|
|
'([style "display: inline-table; vertical-align: text-top;"])
|
|
null)
|
|
,@(case t-style
|
|
[(boxed) '([class "boxed"])]
|
|
[(centered) '([align "center"])]
|
|
[(at-right) '([align "right"])]
|
|
[(at-left) '([align "left"])]
|
|
[else null])
|
|
,@(let ([a (t-style-get 'style)])
|
|
(if (and a (string? (cadr a))) `([class ,(cadr a)]) null))
|
|
,@(if (string? t-style) `([class ,t-style]) null))
|
|
,@(map make-row
|
|
(table-flowss t)
|
|
(cdr (or (t-style-get 'row-styles)
|
|
(cons #f (map (lambda (x) #f) (table-flowss t)))))))))
|
|
|
|
(define/override (render-blockquote t part ri)
|
|
`((blockquote ,(if (string? (blockquote-style t))
|
|
`([class ,(blockquote-style t)])
|
|
`())
|
|
,@(append-map (lambda (i) (render-block i part ri #f))
|
|
(blockquote-paragraphs t)))))
|
|
|
|
(define/override (render-itemization t part ri)
|
|
`((ul ,(if (and (styled-itemization? t)
|
|
(string? (styled-itemization-style t)))
|
|
`([class ,(styled-itemization-style t)])
|
|
`())
|
|
,@(map (lambda (flow) `(li ,@(render-flow flow part ri #t)))
|
|
(itemization-flows t)))))
|
|
|
|
(define/override (render-other i part ri)
|
|
(cond
|
|
[(string? i)
|
|
(let ([m (and (extra-breaking?)
|
|
(regexp-match-positions #rx"[-:/+_]|[a-z](?=[A-Z])" i))])
|
|
(if m
|
|
(list* (substring i 0 (cdar m))
|
|
;; Most browsers wrap after a hyphen. The one that
|
|
;; doesn't, Firefox, pays attention to wbr. Some
|
|
;; browsers ignore wbr, but at least they don't do
|
|
;; strange things with it.
|
|
(if (equal? #\- (string-ref i (caar m)))
|
|
'(wbr)
|
|
`(span ([class "mywbr"]) " "))
|
|
(render-other (substring i (cdar m)) part ri))
|
|
(ascii-ize i)))]
|
|
[(symbol? i)
|
|
(case i
|
|
[(mdash) '(" " ndash " ")]
|
|
;; use "single left/right-pointing angle quotation mark"
|
|
;; -- it's not a correct choice, but works best for now
|
|
;; (see the "Fonts with proper angle brackets"
|
|
;; discussion on the mailing list from June 2008)
|
|
[(lang) '(8249)]
|
|
[(rang) '(8250)]
|
|
[else (list i)])]
|
|
[else (list (format "~s" i))]))
|
|
|
|
(define/private (ascii-ize s)
|
|
(let ([m (regexp-match-positions #rx"[^\u01-\u7E]" s)])
|
|
(if m
|
|
(append (ascii-ize (substring s 0 (caar m)))
|
|
(list (char->integer (string-ref s (caar m))))
|
|
(ascii-ize (substring s (cdar m))))
|
|
(list s))))
|
|
|
|
;; ----------------------------------------
|
|
|
|
(super-new)))
|
|
|
|
;; ----------------------------------------
|
|
;; multi-file output
|
|
|
|
(define (render-multi-mixin %)
|
|
(class %
|
|
(inherit render-one
|
|
render-one-part
|
|
render-content
|
|
part-whole-page?
|
|
format-number)
|
|
|
|
(inherit-field report-output?)
|
|
|
|
(define/override (get-suffix) #"")
|
|
|
|
(define/override (get-dest-directory [create? #f])
|
|
(or (and (current-subdirectory)
|
|
(let ([d (build-path (or (super get-dest-directory)
|
|
(current-directory))
|
|
(current-subdirectory))])
|
|
(when (and create? (not (directory-exists? d)))
|
|
(make-directory* d))
|
|
d))
|
|
(super get-dest-directory create?)))
|
|
|
|
(define/override (derive-filename d)
|
|
(let ([fn (format "~a.html"
|
|
(regexp-replace*
|
|
"[^-a-zA-Z0-9_=]"
|
|
(let ([s (cadr (car (part-tags d)))])
|
|
(cond [(string? s) s]
|
|
[(part-title-content d)
|
|
(content->string (part-title-content d))]
|
|
[else
|
|
;; 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/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)
|
|
(when report-output?
|
|
(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 #:exists 'truncate/replace
|
|
(lambda () (render-one d ri fn))))))
|
|
ds
|
|
fns))
|
|
|
|
(define/override (nearly-top? d ri top)
|
|
(eq? top (collected-info-parent (part-collected-info d ri))))
|
|
|
|
(define/override (get-onthispage-label)
|
|
`((div ([class "tocsubtitle"]) "On this page:")))
|
|
|
|
(define/override (toc-wrap p)
|
|
(list p))
|
|
|
|
(inherit render-table
|
|
render-paragraph)
|
|
|
|
(define/override (render-part d ri)
|
|
(parameterize ([current-version
|
|
(if (and (versioned-part? d)
|
|
(versioned-part-version d))
|
|
(versioned-part-version d)
|
|
(current-version))])
|
|
(let ([number (collected-info-number (part-collected-info d ri))])
|
|
(if (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 #:exists 'truncate/replace
|
|
(lambda () (render-one-part d ri full-path number)))
|
|
null))
|
|
(let ([sep? (on-separate-page)])
|
|
(parameterize ([next-separate-page (toc-part? d)]
|
|
[on-separate-page #f])
|
|
;; Normal section render
|
|
(super render-part d ri)))))))
|
|
|
|
(super-new)))
|
|
|
|
;; ----------------------------------------
|
|
;; utils
|
|
|
|
(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)))))))
|
|
|
|
(define in-plt?
|
|
(let ([roots (map explode (list (find-doc-dir) (find-collects-dir)))])
|
|
(lambda (path)
|
|
(ormap (lambda (root)
|
|
(let loop ([path path] [root root])
|
|
(or (null? root)
|
|
(and (pair? path)
|
|
(equal? (car path) (car root))
|
|
(loop (cdr path) (cdr root))))))
|
|
roots))))
|
|
|
|
(define (from-root p d)
|
|
(define e-p (explode (path->complete-path p (current-directory))))
|
|
(define e-d (and d (explode (path->complete-path d (current-directory)))))
|
|
(define p-in? (in-plt? e-p))
|
|
(define d-in? (and d (in-plt? e-d)))
|
|
;; use an absolute link if the link is from outside the plt tree
|
|
;; going in (or if d is #f)
|
|
(if (not (and d (cond
|
|
[(equal? p-in? d-in?) #t]
|
|
[d-in? (error 'from-root
|
|
"got a link from the PLT tree going out; ~e"
|
|
p)]
|
|
[else #f])))
|
|
(url->string (path->url (path->complete-path p)))
|
|
(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 (string-append* (map (lambda (x) "../") e-d))
|
|
(loop null e-p))]))))
|