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(import (chicken tcp)
(chicken pretty-print)
(chicken io)
(chicken string)
(chicken bitwise)
(chicken random))
(tcp-read-timeout 300)
(define-record db (setter stories) (setter pages))
(define-record story title genre
desc key start)
(define-record page link story body choices)
(define *database* (make-db '() '()))
................................................................................
(define-record netstr sz val rest)
(define-record netreq body method path
query origin accept
ref ua)
(define (netreq-post-params req) (map (cut string-split <> "=")
(string-split (netreq-body req) "&")))
(define (post-field arr p) (let ((v (assoc p arr)))
(if (eq? #f v) "" (url-decode (cadr v)))))
(define (alist->netreq al body)
(define (method->symbol m) (cond [(equal? m "GET") 'get]
[(equal? m "POST") 'post]
[(equal? m "PUT") 'put]
[else 'unknown]))
(define (field key)
(let ((result (assoc key al)))
................................................................................
(define (respond req code user-header text links)
(let* ([kind-pair (determine-response-kind (netreq-accept req)
(netreq-ua req))]
[kind (car kind-pair)]
[mime (cdr kind-pair)]
[header (string-append (if (equal? user-header "") ""
" :: ") user-header)])
(define (open)
(case kind
('html (string-append
"<!doctype html>\n<head>\n<title>fabulist" header "</title>\n"
"<link rel=\"stylesheet\" href=\"/style\" type=\"text/css\">"
"</head>\n<body>\n<h1> <a href=\"/\">fabulist</a>" header "</h1>\n"))
('text (string-append "# " header "\n\n"))))
................................................................................
final-text)])
response)))
(define (get-new-story req) 0)
(define (get-stylesheet req)
(define style #<<_END_
body {
background: #370017;
color: #FFE1ED;
max-width: 35em;
padding: 1em;
margin: auto;
font-family: Alegreya, Junicode, GaramondNo8, "Garamond Premier Pro", "Adobe Garamond", Garamond, serif;
font-size: 15pt;
}
input, textarea {
font-family: Alegreya, Junicode, GaramondNo8, "Garamond Premier Pro", "Adobe Garamond", Garamond, serif;
font-size: 14pt;
border: 1px solid #FF4C96;
background: #610028;
color: white;
padding: 0.3em;
flex-grow: 2;
text-shadow: 0 0 10px #E84B8C;
}
code {
font-family: Inconsolata, Monaco, monocode;
padding: 0.2em 0.3em;
background: #740C38;
border: 1px solid #260010;
}
textarea {
height: 6em;
}
input[type=submit] {
position: absolute;
flex-grow: 0;
width: 30%;
right: 0;
top: 1em;
text-shadow: 0 0 10px #E84B8C;
}
form > div {
position: relative;
display: flex;
width: 100%;
align-items: center;
}
form label {
margin-right: 0.5em;
margin-bottom: 0.5em;
margin-top: 0.5em;
font-weight: bold;
}
a[href] {
color: #FF2E84;
}
h1 {
font-weight: 100;
margin-bottom: 0.0em;
}
h1 a[href] {
color: #FF7AB1;
text-decoration: none;
}
_END_
)
(make-netresp 'ok (list (cons "Server" "")
(cons "Content-Type" "text/css")
(cons "Content-Length" (number->string
(string-length style))))
style))
(define (get-new-chapter req)
(let* ([path (netreq-path req)]
[place (follow-path (cdr path))]
[params (netreq-post-params req)])
(if (eq? #f place) (error-not-found req)
(let* ([story-key (text-path-story-key place)]
[story (text-path-story-rec place)]
[chapter-key (text-path-chapter-key place)])
(new-chapter-page req story-key story chapter-key)))))
(define (get-flag-chapter req) 0)
(define (post-flag-chapter req) 0)
(define (error-not-found req)
(respond req 'nofile "error"
'((p "the path you have entered is not meaningful."))
'(("start over" . "/"))))
(define (display-index-page req)
(respond req 'ok ""
'((p "welcome to this " (b "fabulist" ) " instance.")
(p "fabulist is a server for hosting collaborative interactive fiction." )
(p "select one of the links below."))
'(("start a new story" . "/init")
("play an existing story" . "/find")
("start a random story" . "/rand"))))
(define (new-chapter-page req key story last-page)
(let ([new-url (string-append "/new/" key (if (eq? #f last-page) ""
(string-append "/" last-page)))])
(respond req 'ok (string-append (story-title story) " :: new chapter")
(list
'(p "write your chapter and hit " (b "commit") " to add it to the story")
`(form "POST" ,new-url
,(if (eq? #f last-page) '(text "")
(list 'field "choice that leads here" "choice-link" "text"))
(field "chapter body" "chapter-body" "textarea")))
(if (eq? last-page #f) '()
(list
(cons "abandon chapter"
(string-append "/p/" key "/" last-page))
(cons "link to existing chapter"
(string-append "/link/" key "/" last-page)))))))
(define-record text-path
story-key story-rec chapter-key)
(define (follow-path path)
(let* ([pathlen (length path)])
(cond [(or (< pathlen 1)
................................................................................
[story-ent (alist-ref story-key
(db-stories *database*)
equal?)]
[chapter-key (cond [(= pathlen 2) (cadr path)]
[(eq? #f story-ent) #f]
[else (story-start story-ent)])])
(make-text-path story-key story-ent chapter-key))])))
(define (format-user-text str)
(map (cut list 'p <>)
(string-split str "\n")))
(define (post-new-chapter req)
(define (save-chapter key ch)
(set! (db-pages *database*)
................................................................................
(define (save-to-start story chap)
(story-start-set! story chap))
(define (add-to-page story-key dest new-key)
(let* ([destkey (string-append story-key "." dest)]
[dest-pg (alist-ref destkey (db-pages *database*) equal?)]
[old-choices (page-choices dest-pg)])
(page-choices-set! dest-pg (append old-choices (list new-key)))))
(let* ([path (netreq-path req)]
[place (follow-path (cdr path))]
[params (netreq-post-params req)])
(if (eq? #f place) (error-not-found req)
(let* ([story-key (text-path-story-key place)]
[story (text-path-story-rec place)]
[chapter-key (text-path-chapter-key place)]
[choice-link (post-field params "choice-link")]
[chapter-body (post-field params "chapter-body")])
(let* ([new-key (generate-key 4)]
[full-key (string-append story-key "." new-key)]
[new-page
(make-page choice-link
story-key
(format-user-text chapter-body)
'())])
(if (= (length path) 2)
(if (eq? #f (story-start story))
(begin (save-chapter full-key new-page)
(save-to-start story new-key)
(redirect (string-append "/p/" story-key "/" new-key)))
(error-not-found req))
; FIXME: insert error checking to make sure [chapter-key]
; really exists; right now this will crash the program!
(begin (save-chapter full-key new-page)
(add-to-page story-key chapter-key new-key)
(redirect (string-append "/p/" story-key "/" chapter-key))))
)))))
(define (get-story-chapter req)
(define (render-chapter story-key story chapter)
(define (lookup-chapter ch) (alist-ref (string-append story-key "." ch)
(db-pages *database*) equal?))
(define (format-choice ch)
................................................................................
(let ([dest (lookup-chapter ch)])
(cons (page-link dest)
(string-append "/p/" story-key "/" ch))))
(let ([chap (lookup-chapter chapter)])
(if (eq? #f chap) (error-not-found req)
(respond req 'ok (story-title story)
(page-body chap)
(append
(map format-choice (page-choices chap))
(list (cons '(i "[branch]")
(string-append
"/new/" story-key
"/" chapter))))))))
(let* ([path (netreq-path req)]
[place (follow-path (cdr path))])
(if (eq? #f place) (error-not-found req)
(let* ([story-key (text-path-story-key place)]
[story-ent (text-path-story-rec place)]
[chapter-key (text-path-chapter-key place)])
................................................................................
(await-connections s)))
(let ([server (tcp-listen port 100 "127.0.0.1")])
(await-connections server)
(tcp-close server)))
(serve 4056)
#;(cond-expand
(chicken-script )
(else))
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|
(import (chicken tcp)
(chicken pretty-print)
(chicken io)
(chicken string)
(chicken bitwise)
(chicken random))
(begin-for-syntax (import (chicken io)))
(include "scmlib/lisp-macro.scm")
(define-macro (static-import-string . body)
(call-with-input-file (car body)
(cut read-string #f <>)))
(define *stylesheet* (static-import-string "fabulist.css"))
(tcp-read-timeout 300)
(define-record db (setter stories) (setter pages))
(define-record story title genre
desc key start)
(define-record page link story body choices)
(define *database* (make-db '() '()))
................................................................................
(define-record netstr sz val rest)
(define-record netreq body method path
query origin accept
ref ua)
(define (netreq-post-params req) (map (cut string-split <> "=")
(string-split (netreq-body req) "&")))
(define (post-field arr p)
(let ((v (assoc p arr))) (if (or (null? v)
(eq? #f v)
(null? (cdr v))) ""
(url-decode (cadr v)))))
(define (alist->netreq al body)
(define (method->symbol m) (cond [(equal? m "GET") 'get]
[(equal? m "POST") 'post]
[(equal? m "PUT") 'put]
[else 'unknown]))
(define (field key)
(let ((result (assoc key al)))
................................................................................
(define (respond req code user-header text links)
(let* ([kind-pair (determine-response-kind (netreq-accept req)
(netreq-ua req))]
[kind (car kind-pair)]
[mime (cdr kind-pair)]
[header (string-append (if (equal? user-header "") ""
" :: ") user-header)])
(define (open)
(case kind
('html (string-append
"<!doctype html>\n<head>\n<title>fabulist" header "</title>\n"
"<link rel=\"stylesheet\" href=\"/style\" type=\"text/css\">"
"</head>\n<body>\n<h1> <a href=\"/\">fabulist</a>" header "</h1>\n"))
('text (string-append "# " header "\n\n"))))
................................................................................
final-text)])
response)))
(define (get-new-story req) 0)
(define (get-stylesheet req)
(make-netresp 'ok (list (cons "Server" "fabulist")
(cons "Content-Type" "text/css")
(cons "Content-Length" (number->string
(string-length *stylesheet*))))
*stylesheet*))
(define (get-new-chapter req)
(let* ([path (netreq-path req)]
[place (follow-path (cdr path))]
[params (netreq-post-params req)])
(if (or (eq? #f place)
(eq? #f (text-path-story-rec place))) (error-not-found req)
(let* ([story-key (text-path-story-key place)]
[story (text-path-story-rec place)]
[chapter-key (text-path-chapter-key place)])
(new-chapter-page req story-key story chapter-key)))))
(define (get-flag-chapter req) 0)
(define (post-flag-chapter req) 0)
(define (error-not-found req)
(respond req 'nofile "error"
'((p "the path you have entered is not meaningful."))
'(("start over" . "/"))))
(define (error-bad-request req back)
(respond req 'badreq "error"
'((p "the data you have supplied is not valid."))
`(("return to story" . ,back)
("start over" . "/"))))
(define (display-index-page req)
(respond req 'ok ""
'((p "welcome to this " (b "fabulist" ) " instance.")
(p "fabulist is a server for hosting collaborative interactive fiction." )
(p "select one of the links below."))
'(("start a new story" . "/init")
("play an existing story" . "/find")
("start a random story" . "/rand")
("set your author details" . "/auth")
)))
(define (new-chapter-page req key story last-page)
(let ([new-url (string-append "/new/" key (if (eq? #f last-page) ""
(string-append "/" last-page)))])
(respond req 'ok (string-append (story-title story) " :: new chapter")
(list
'(p "write your chapter and hit " (b "commit") " to add it to the story")
`(form "POST" ,new-url
,(if (eq? #f last-page) '(text "")
(list 'field "choice that leads here" "choice-link" "text"))
(field "chapter body" "chapter-body" "textarea")))
(if (eq? last-page #f) '()
(list
(cons "abandon chapter"
(string-append "/p/" key "/" last-page))
(cons "link to existing chapter"
(string-append "/link/" key "/" last-page)))))))
(define-record text-path
story-key story-rec chapter-key)
(define (follow-path path)
(let* ([pathlen (length path)])
(cond [(or (< pathlen 1)
................................................................................
[story-ent (alist-ref story-key
(db-stories *database*)
equal?)]
[chapter-key (cond [(= pathlen 2) (cadr path)]
[(eq? #f story-ent) #f]
[else (story-start story-ent)])])
(make-text-path story-key story-ent chapter-key))])))
(define (format-user-text str)
(map (cut list 'p <>)
(string-split str "\n")))
(define (post-new-chapter req)
(define (save-chapter key ch)
(set! (db-pages *database*)
................................................................................
(define (save-to-start story chap)
(story-start-set! story chap))
(define (add-to-page story-key dest new-key)
(let* ([destkey (string-append story-key "." dest)]
[dest-pg (alist-ref destkey (db-pages *database*) equal?)]
[old-choices (page-choices dest-pg)])
(page-choices-set! dest-pg (append old-choices (list new-key)))))
(let* ([path (netreq-path req)]
[place (follow-path (cdr path))]
[params (netreq-post-params req)]
[raw-path (foldl string-append "" (intersperse (cdr path) "/"))])
(if (eq? #f place) (error-not-found req)
(let* ([story-key (text-path-story-key place)]
[story (text-path-story-rec place)]
[chapter-key (text-path-chapter-key place)]
[chapter-full-key (if (eq? #f chapter-key) #f
(string-append story-key "." chapter-key))]
[choice-link (post-field params "choice-link")]
[chapter-body (post-field params "chapter-body")])
(cond [(or (equal? chapter-body "")
(and (equal? choice-link "")
(not (eq? chapter-key #f))))
(error-bad-request req (string-append "/p/" raw-path))]
[else
(let* ([new-key (generate-key 4)]
[full-key (string-append story-key "." new-key)]
[new-page (make-page choice-link
story-key
(format-user-text chapter-body)
'())])
(if (= (length path) 2); new story or new branch?
(if (eq? #f (story-start story))
(begin (save-chapter full-key new-page)
(save-to-start story new-key)
(redirect (string-append "/p/" story-key "/" new-key)))
(error-not-found req))
; FIXME: insert error checking to make sure [chapter-key]
; really exists; right now this will crash the program!
(if (eq? #f (alist-ref chapter-full-key (db-pages *database*) equal?))
(error-not-found req)
(begin (save-chapter full-key new-page)
(add-to-page story-key chapter-key new-key)
(redirect (string-append "/p/" story-key "/" chapter-key))))
))])))))
(define (get-story-chapter req)
(define (render-chapter story-key story chapter)
(define (lookup-chapter ch) (alist-ref (string-append story-key "." ch)
(db-pages *database*) equal?))
(define (format-choice ch)
................................................................................
(let ([dest (lookup-chapter ch)])
(cons (page-link dest)
(string-append "/p/" story-key "/" ch))))
(let ([chap (lookup-chapter chapter)])
(if (eq? #f chap) (error-not-found req)
(respond req 'ok (story-title story)
(page-body chap)
(append
(map format-choice (page-choices chap))
(list (cons '(i "[branch]")
(string-append
"/new/" story-key
"/" chapter))))))))
(let* ([path (netreq-path req)]
[place (follow-path (cdr path))])
(if (eq? #f place) (error-not-found req)
(let* ([story-key (text-path-story-key place)]
[story-ent (text-path-story-rec place)]
[chapter-key (text-path-chapter-key place)])
................................................................................
(await-connections s)))
(let ([server (tcp-listen port 100 "127.0.0.1")])
(await-connections server)
(tcp-close server)))
(serve 4056)
#;(cond-expand
(chicken-script )
(else))
|