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render-helper.rkt
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render-helper.rkt
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#lang racket/base
(require (for-syntax racket/base
syntax/strip-context
"project.rkt"
"../setup.rkt")
racket/stxparam
racket/splicing
"external/include-template.rkt"
"../cache.rkt"
"../pagetree.rkt"
"../core.rkt"
"../setup.rkt"
"../template.rkt"
"../top.rkt")
(provide (rename-out [mb #%module-begin])
(except-out (all-from-out racket/base) #%module-begin))
(define-syntax-parameter doc (λ (stx) (error 'doc-not-parameterized)))
(define-syntax-parameter metas (λ (stx) (error 'metas-not-parameterized)))
(define-syntax-parameter result (λ (stx) (error 'result-not-parameterized)))
(define-syntax (mb stx)
(syntax-case stx ()
;; markup / markdown branch
[(_ #:source SOURCE-PATH-STRING
#:template TEMPLATE-PATH-STRING
#:result-id RESULT-ID)
(let ([source-path (syntax->datum #'SOURCE-PATH-STRING)])
(with-syntax ([DIRECTORY-REQUIRE-FILES
(replace-context #'here (require-directory-require-files source-path))]
[DOC-ID pollen-main-export]
[METAS-ID pollen-meta-export]
[COMMAND-CHAR (setup:command-char source-path)])
#'(#%module-begin
DIRECTORY-REQUIRE-FILES
(splicing-syntax-parameterize
([doc (make-rename-transformer #'DOC-ID)]
[metas (make-rename-transformer #'METAS-ID)]
[result (make-rename-transformer #'RESULT-ID)])
(define result
(parameterize ([current-pagetree (make-project-pagetree (current-project-root))]
[current-metas (cached-metas SOURCE-PATH-STRING)])
(define doc (cached-doc SOURCE-PATH-STRING))
(define metas (current-metas))
(define here (path->pagenode
(or (select-from-metas pollen-here-path-key metas) 'unknown)))
(if (bytes? doc) ; if main export is binary, just pass it through
doc
;; allows `require` in a template
(splicing-let-syntax ([require (make-rename-transformer #'local-require)])
(include-template #:command-char COMMAND-CHAR (file TEMPLATE-PATH-STRING))))))
(provide result)))))]))