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pollen/include-template.rkt

24 lines
912 B
Racket

#lang racket/base
(require scribble/text
(for-syntax racket/base
racket/list
syntax/parse)
racket/port)
;; Adaptation of function in web-server/templates library
;; to check for binary result and pass it through.
;; Actually patches underlying bug in `output`.
(define-syntax (include-template stx)
(syntax-parse stx
[(_ (~optional (~seq #:command-char command-char:expr)) p:expr)
(quasisyntax/loc stx
(let ([result (include/text #,@(if (attribute command-char)
(list #'#:command-char #'command-char)
empty)
p)])
(if (bytes? result)
(with-output-to-bytes (λ () (write-bytes result)))
(with-output-to-string (λ () (output result))))))]))
(provide include-template)