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pollen/pollen/setup.rkt

140 lines
5.6 KiB
Racket

#lang racket/base
(require (for-syntax racket/base racket/syntax)
racket/runtime-path)
(define-syntax-rule (define+provide ID EXPR ...)
(begin
(provide ID)
(define ID EXPR ...)))
(define+provide current-project-root (make-parameter (current-directory)))
(define+provide default-directory-require "pollen.rkt")
(define+provide default-env-name "POLLEN")
(define (dirname path)
(let-values ([(dir name dir?) (split-path path)])
dir))
(define (get-path-to-override maybe-dir)
(define starting-dir (cond
[(not maybe-dir) (current-directory)]
[(directory-exists? maybe-dir) maybe-dir]
[else (dirname maybe-dir)]))
(let loop ([dir starting-dir][path default-directory-require])
(and dir ; dir is #f when it hits the top of the filesystem
(let ([simplified-path (simplify-path (path->complete-path path starting-dir))])
(if (file-exists? simplified-path)
simplified-path
(loop (dirname dir) (build-path 'up path)))))))
;; parameters should not be made settable.
(define-for-syntax world-submodule-name 'setup)
(define-syntax (define-settable stx)
(syntax-case stx ()
[(_ NAME DEFAULT-VALUE)
(with-syntax ([DEFAULT-NAME (format-id stx "default-~a" #'NAME)]
[NAME-THUNKED (format-id stx "~a" #'NAME)]
[WORLD-SUBMOD (format-id stx "~a" world-submodule-name)]
[NAME-FAIL-THUNKED (format-id stx "fail-thunk-~a" #'NAME)] )
#'(begin
(provide (prefix-out setup: NAME-THUNKED) DEFAULT-NAME)
(define DEFAULT-NAME DEFAULT-VALUE)
;; can take a dir argument that sets start point for (get-path-to-override) search.
(define (NAME-THUNKED [dir #false])
(with-handlers ([exn:fail? (λ (exn) DEFAULT-NAME)])
(dynamic-require `(submod ,(get-path-to-override dir) WORLD-SUBMOD)
'NAME
(λ () DEFAULT-NAME))))))]))
(define-settable cache-watchlist null)
(define-settable envvar-watchlist null)
(define-settable preproc-source-ext 'pp)
(define-settable markup-source-ext 'pm)
(define-settable markdown-source-ext 'pmd)
(define-settable null-source-ext 'p)
(define-settable pagetree-source-ext 'ptree)
(define-settable template-source-ext 'pt)
(define-settable scribble-source-ext 'scrbl)
;; these are deliberately not settable because they're just internal signalers, no effect on external interface
(define+provide default-mode-auto 'auto)
(define+provide default-mode-preproc 'pre)
(define+provide default-mode-markup 'markup)
(define+provide default-mode-markdown 'markdown)
(define+provide default-mode-pagetree 'ptree)
(define+provide default-mode-template 'template)
(define-settable old-cache-names '("pollen.cache" "pollen-cache"))
(define-settable cache-dir-name "compiled")
(define-settable cache-subdir-name "pollen")
(define+provide default-cache-names (list* (cache-dir-name) (old-cache-names)))
(define-settable decodable-extensions (list (markup-source-ext) (pagetree-source-ext)))
(define-settable main-pagetree (format "index.~a" (pagetree-source-ext)))
(define-settable pagetree-root-node 'pagetree-root)
(define-settable main-root-node 'root)
(define-settable command-char #\◊)
(define-settable template-command-char #\∂)
(define-settable template-prefix "template")
(define-settable fallback-template-prefix "fallback")
(define-settable template-meta-key "template")
(define-settable main-export 'doc) ; don't forget to change fallback template too
(define-settable meta-export 'metas)
(define-settable meta-tag-name 'meta)
(define-settable define-meta-name 'define-meta)
;; tags from https://developer.mozilla.org/en-US/docs/Web/HTML/Block-level_elements
(define-settable block-tags (cons (main-root-node) '(address article aside blockquote body canvas dd div dl fieldset figcaption figure footer form h1 h2 h3 h4 h5 h6 header hgroup hr li main nav noscript ol output p pre section table tfoot ul video)))
(define-settable newline "\n")
(define-settable linebreak-separator (newline))
(define-settable paragraph-separator "\n\n")
(define-settable paths-excluded-from-dashboard (map string->path (list "poldash.css" "compiled")))
(define-settable project-server-port 8080)
(define+provide current-server-port (make-parameter (project-server-port)))
(define+provide current-server-listen-ip (make-parameter #f))
(define+provide current-render-source (make-parameter #f))
(define-settable dashboard-css "poldash.css")
(define-runtime-path server-extras-dir "private/server-extras")
(define+provide current-server-extras-path (make-parameter server-extras-dir))
(define-settable publish-directory "publish")
(define-settable extension-escape-char #\_)
(define-settable compile-cache-active #t)
(define-settable render-cache-active #t)
(define-settable compile-cache-max-size (* 10 1024 1024)) ; = 10 megabytes
(define-settable unpublished-path? (λ (path) #f)) ; deprecated in favor of `omitted-path?`
(define-settable omitted-path? (λ (path) #f))
(define-settable extra-published-path? (λ (path) #f)) ; deprecated in favor of `extra-path?`
(define-settable extra-path? (λ (path) #f))
(define-settable trim-whitespace? #t)
(define-settable here-path-key 'here-path)
(define-settable splicing-tag '@)
(define-settable poly-source-ext 'poly) ; extension that signals source can be used for multiple output targets
(define-settable poly-targets '(html)) ; current target applied to multi-output source files
(define+provide current-poly-target (make-parameter (car (poly-targets))))
(define-settable index-pages '("index.html"))
(define-settable allow-unbound-ids? #true)