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@ -9,7 +9,7 @@
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(with-syntax ([new-module-begin (format-id stx "new-module-begin")])
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#'(begin
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(provide (except-out (all-from-out racket/base) #%module-begin)
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(rename-out [new-module-begin #%module-begin]))
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(rename-out [new-module-begin #%module-begin]))
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(define-syntax (new-module-begin stx-arg)
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(syntax-case stx-arg ()
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[(_ body-exprs (... ...))
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@ -44,16 +44,16 @@
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;; todo: this won't work with inline submodules
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(define parser-mode
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(if (not (procedure? reader-mode))
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(if (equal? reader-mode world:mode-auto)
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(let* ([file-ext-pattern (pregexp "\\w+$")]
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[here-ext (string->symbol (car (regexp-match file-ext-pattern here-path)))])
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(cond
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[(equal? here-ext world:pagetree-source-ext) world:mode-pagetree]
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[(equal? here-ext world:markup-source-ext) world:mode-markup]
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[(equal? here-ext world:markdown-source-ext) world:mode-markdown]
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[else world:mode-preproc]))
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reader-mode)
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mode-arg))
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(if (equal? reader-mode world:mode-auto)
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(let* ([file-ext-pattern (pregexp "\\w+$")]
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[here-ext (string->symbol (car (regexp-match file-ext-pattern here-path)))])
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(cond
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[(equal? here-ext world:pagetree-source-ext) world:mode-pagetree]
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[(equal? here-ext world:markup-source-ext) world:mode-markup]
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[(equal? here-ext world:markdown-source-ext) world:mode-markdown]
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[else world:mode-preproc]))
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reader-mode)
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mode-arg))
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;; Split out the metas.
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@ -61,17 +61,17 @@
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(define (meta-key x) (car (caadr x)))
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(define (meta-value x) (cadr (caadr x)))
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(define is-meta-element? (λ(x) (and (list? x) ; possible txexpr
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(= (length x) 2) ; = tag + attribute
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(equal? 'meta (car x)) ; tag is 'meta
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(symbol? (meta-key x)) ; attribute key is symbol
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(string? (meta-value x))))) ; attribute value is string
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(= (length x) 2) ; = tag + attribute
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(equal? 'meta (car x)) ; tag is 'meta
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(symbol? (meta-key x)) ; attribute key is symbol
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(string? (meta-value x))))) ; attribute value is string
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(define (splitter x)
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(define meta-acc null)
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(define (split-metas x)
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(cond
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[(list? x) (define-values (new-metas rest) (values (filter is-meta-element? x) (filter (compose1 not is-meta-element?) x)))
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(set! meta-acc (append new-metas meta-acc))
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(map split-metas rest)]
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(set! meta-acc (append new-metas meta-acc))
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(map split-metas rest)]
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[else x]))
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(define result (split-metas x))
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(values result meta-acc))
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@ -81,14 +81,17 @@
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(define metas (make-hash (map meta-element->assoc meta-elements)))
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(values doc-without-metas metas))
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(require racket/list)
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(define doc-with-metas
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(let ([doc-raw (if (equal? parser-mode world:mode-markdown)
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(apply (compose1 (dynamic-require 'markdown 'parse-markdown) string-append) doc-raw)
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doc-raw)])
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(apply (compose1 (dynamic-require 'markdown 'parse-markdown) string-append) doc-raw)
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doc-raw)])
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`(placeholder-root
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,@(cons (meta 'here-path: here-path)
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;; cdr strips initial linebreak, but make sure doc-raw isn't blank
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(if (and (list? doc-raw) (> (length doc-raw) 0) (equal? (car doc-raw) "\n")) (cdr doc-raw) doc-raw)))))
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(if (list? doc-raw)
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(dropf doc-raw (λ(i) (equal? i "\n"))) ; discard all newlines at front of file
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doc-raw)))))
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(define-values (doc-without-metas metas) (split-metas-to-hash doc-with-metas))
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@ -99,18 +102,18 @@
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;; 'root is the hook for the decoder function.
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;; If it's not a defined identifier, it just hits #%top and becomes `(root ,@body ...)
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[(or (equal? parser-mode world:mode-markup)
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(equal? parser-mode world:mode-markdown)) root]
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(equal? parser-mode world:mode-markdown)) root]
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;; for preprocessor output, just make a string.
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[else (λ xs (apply string-append (map to-string xs)))]) ; default mode is preprocish
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(cdr doc-without-metas))) ;; cdr strips placeholder-root tag
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(cdr doc-without-metas))) ;; cdr strips placeholder-root tag
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(provide metas doc
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;; hide the exports that were only for internal use.
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(except-out (all-from-out 'inner) doc-raw #%top))
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;; hide the exports that were only for internal use.
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(except-out (all-from-out 'inner) doc-raw #%top))
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;; for output in DrRacket
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(module+ main
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(if (or (equal? parser-mode world:mode-preproc) (equal? parser-mode world:mode-template))
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(display doc)
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(print doc)))))]))))]))
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(display doc)
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(print doc)))))]))))]))
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