You cannot select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
25 lines
901 B
Racket
25 lines
901 B
Racket
#lang debug racket/base
|
|
(require racket/match
|
|
scribble/reader
|
|
txexpr)
|
|
(provide (all-defined-out))
|
|
|
|
(define (path-string->pdf-path path-string)
|
|
(match (format "~a" path-string)
|
|
["unsaved-editor" (build-path (find-system-path 'desk-dir) "untitled.pdf")]
|
|
[_ (path-replace-extension path-string #".pdf")]))
|
|
|
|
(define quad-at-reader (make-at-reader
|
|
#:syntax? #t
|
|
#:inside? #t
|
|
#:command-char #\◊))
|
|
|
|
(define (xexpr->parse-tree x)
|
|
;; an ordinary txexpr can't serve as a parse tree because of the attrs list fails when passed to #%app.
|
|
;; so stick an `attr-list` identifier on it which can hook into the expander.
|
|
;; sort of SXML-ish.
|
|
(let loop ([x x])
|
|
(match x
|
|
[(txexpr tag attrs elems) (list* tag (cons 'attr-list attrs) (map loop elems))]
|
|
[(? list? xs) (map loop xs)]
|
|
[_ x]))) |