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typesetting/pitfall/fontkit/helper.rkt

27 lines
1.0 KiB
Racket

#lang racket/base
(require (for-syntax racket/base) racket/runtime-path br/define)
(provide (all-defined-out))
(define index? (λ (x) (and (number? x) (integer? x) (not (negative? x)))))
(define-runtime-path charter-path "../ptest/assets/charter.ttf")
(define-runtime-path charter-italic-path "../ptest/assets/charter-italic.ttf")
(define-runtime-path fira-path "../ptest/assets/fira.ttf")
(define-runtime-path fira-otf-path "../ptest/assets/fira.otf")
(define-runtime-path charter-directory-path "charter-directory.rktd")
(define-runtime-path charter-italic-directory-path "charter-italic-directory.rktd")
(define-macro (test-module . EXPRS)
#`(module+ test
(require #,(datum->syntax caller-stx 'rackunit) #,(datum->syntax caller-stx 'racket/serialize))
. EXPRS))
(define (is-mark? codepoint)
;; mark classes = Mn Me Mc
(regexp-match #px"\\p{Mn}|\\p{Me}|\\p{Mc}" (string (integer->char codepoint))))
(module+ test
(require rackunit)
(check-true (and (is-mark? #x300) #t))
(check-false (and (is-mark? #x2ee) #t)))