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347 lines
16 KiB
Racket
347 lines
16 KiB
Racket
#lang racket/base
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(require (for-syntax racket/base racket/syntax))
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(require racket/contract racket/path)
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(require (only-in racket/path filename-extension))
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(require "world.rkt" sugar/define sugar/file sugar/string sugar/coerce sugar/test)
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;; because it comes up all the time
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(define+provide/contract (dirname path)
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(coerce/path? . -> . path?)
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(define-values (dir name dir?) (split-path path))
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dir)
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(define+provide/contract (find-upward-from starting-path filename-to-find
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[exists-proc file-exists?])
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;; use exists-proc to permit less strict matching.
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;; for instance, maybe it's ok to find the source for the path.
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((coerce/path? coerce/path?)((path? . -> . any/c)) . ->* . (or/c #f path?))
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(parameterize ([current-directory (dirname (->complete-path starting-path))])
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(let loop ([dir (current-directory)][path filename-to-find])
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(and dir ; dir is #f when it hits the top of the filesystem
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(let ([completed-path (path->complete-path path)])
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(if (exists-proc completed-path)
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(simplify-path completed-path)
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(loop (dirname dir) (build-path 'up path))))))))
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;; for files like svg that are not source in pollen terms,
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;; but have a textual representation separate from their display.
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(define+provide/contract (sourceish? x)
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(any/c . -> . coerce/boolean?)
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(define sourceish-extensions (list "svg"))
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(with-handlers ([exn:fail? (λ(e) #f)])
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(member (get-ext x) sourceish-extensions)))
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(module-test-external
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(check-true (sourceish? "foo.svg"))
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(check-false (sourceish? "foo.gif")))
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;; compare directories by their exploded path elements,
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;; not by equal?, which will give wrong result if no slash on the end
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(define+provide/contract (directories-equal? dirx diry)
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(coerce/path? coerce/path? . -> . coerce/boolean?)
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(equal? (explode-path dirx) (explode-path diry)))
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(module-test-external
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(check-true (directories-equal? "/Users/MB/foo" "/Users/MB/foo/"))
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(check-false (directories-equal? "/Users/MB/foo" "Users/MB/foo")))
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;; helper function for pagetree
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;; make paths absolute to test whether files exist,
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;; then convert back to relative
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(define+provide/contract (visible? path)
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(coerce/path? . -> . coerce/boolean?)
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(not ((->string path) . starts-with? . ".")))
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(define (paths? x) (and (list? x) (andmap path? x)))
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(define (complete-paths? x) (and (list? x) (andmap complete-path? x)))
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(define+provide/contract (visible-files dir)
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(pathish? . -> . paths?)
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(filter visible?
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(map (λ(p) (find-relative-path dir p))
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(filter file-exists?
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(directory-list dir #:build? #t)))))
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(define+provide/contract (escape-last-ext x [escape-char (world:current-extension-escape-char)])
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((pathish?) (char?) . ->* . coerce/path?)
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;; if x has a file extension, reattach it with the escape char
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(define current-ext (get-ext x))
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(if current-ext
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(format "~a~a~a" (->string (remove-ext x)) escape-char current-ext)
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x))
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(module-test-external
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(require sugar/coerce)
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(check-equal? (escape-last-ext "foo") (->path "foo"))
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(check-equal? (escape-last-ext "foo.html") (->path "foo_html"))
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(check-equal? (escape-last-ext "foo.html" #\$) (->path "foo$html")))
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(define second cadr)
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(define third caddr)
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(define (last x) (car (reverse x)))
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(define+provide/contract (unescape-ext x [escape-char (world:current-extension-escape-char)])
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((coerce/string?) (char?) . ->* . coerce/path?)
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;; if x has an escaped extension, unescape it.
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(define-values (base name dir?) (split-path x))
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(cond
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[dir? x]
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[else
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(define x-parts (explode-path x))
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(define filename (last x-parts))
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(define escaped-extension-pat (pregexp (format "(.*)[~a](\\S+)$" escape-char)))
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(define results (regexp-match escaped-extension-pat (->string filename)))
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(if results
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(let* ([filename-without-ext (second results)]
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[ext (third results)]
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[new-filename (add-ext filename-without-ext ext)])
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(if (eq? base 'relative)
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new-filename
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(build-path base new-filename)))
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x)]))
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(module-test-external
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(require sugar/coerce)
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(check-equal? (unescape-ext "foo") (->path "foo"))
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(check-equal? (unescape-ext "foo_") (->path "foo_"))
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(check-equal? (unescape-ext "foo_#$%") (->path "foo.#$%"))
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(check-equal? (unescape-ext "foo.html") (->path "foo.html"))
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(check-equal? (unescape-ext "foo_html") (->path "foo.html"))
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(check-equal? (unescape-ext "foo_dir/bar") (->path "foo_dir/bar"))
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(check-equal? (unescape-ext "foo_dir/bar.html") (->path "foo_dir/bar.html"))
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(check-equal? (unescape-ext "foo_dir/bar_html") (->path "foo_dir/bar.html"))
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(check-equal? (unescape-ext "foo$html" #\$) (->path "foo.html"))
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(check-equal? (unescape-ext "foo_bar__html") (->path "foo_bar_.html"))
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(check-equal? (unescape-ext "foo$bar$$html" #\$) (->path "foo$bar$.html")))
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(define+provide (ext-in-poly-targets? ext [x #f])
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(member (->symbol ext) (apply world:current-poly-targets (if x (list x) null))))
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(module-test-external
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(check-equal? (ext-in-poly-targets? 'html) '(html))
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(check-equal? (ext-in-poly-targets? 'missing) #f))
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(define+provide (has-poly-ext? x)
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(equal? (get-ext x) (->string (world:current-poly-source-ext))))
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(module-test-external
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(check-true (has-poly-ext? "foo.poly"))
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(check-false (has-poly-ext? "foo.wrong")))
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(define+provide (has-inner-poly-ext? x)
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(and (get-ext x) (has-poly-ext? (unescape-ext (remove-ext x)))))
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(module-test-external
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(check-true (has-inner-poly-ext? "foo.poly.pm"))
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(check-true (has-inner-poly-ext? "foo_poly.pp"))
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(check-false (has-inner-poly-ext? "foo.poly"))
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(check-false (has-inner-poly-ext? "foo.wrong.pm")))
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(define-syntax (make-source-utility-functions stx)
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(syntax-case stx ()
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[(_ stem)
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(with-syntax ([world:current-stem-source-ext (format-id stx "world:current-~a-source-ext" #'stem)]
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[stem-source? (format-id stx "~a-source?" #'stem)]
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[get-stem-source (format-id stx "get-~a-source" #'stem)]
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[has-stem-source? (format-id stx "has-~a-source?" #'stem)]
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[has/is-stem-source? (format-id stx "has/is-~a-source?" #'stem)]
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[->stem-source-path (format-id stx "->~a-source-path" #'stem)]
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[->stem-source-paths (format-id stx "->~a-source-paths" #'stem)]
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[->stem-source+output-paths (format-id stx "->~a-source+output-paths" #'stem)])
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#`(begin
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;; does file have particular extension
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(define+provide (stem-source? x)
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(->boolean (and (pathish? x) (has-ext? (->path x) (world:current-stem-source-ext)))))
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;; non-theoretical: want the first possible source that exists in the filesystem
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(define+provide (get-stem-source x)
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(and (pathish? x)
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(let ([source-paths (->stem-source-paths (->path x))])
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(and source-paths (ormap (λ(sp) (and (file-exists? sp) sp)) source-paths)))))
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;; does the source-ified version of the file exist
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(define+provide (has-stem-source? x)
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(->boolean (get-stem-source x)))
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;; it's a file-ext source file, or a file that's the result of a file-ext source
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(define+provide (has/is-stem-source? x)
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(->boolean (and (pathish? x) (ormap (λ(proc) (proc (->path x))) (list stem-source? has-stem-source?)))))
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;; get first possible source path (does not check filesystem)
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(define+provide/contract (->stem-source-path x)
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(pathish? . -> . (or/c #f path?))
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(define paths (->stem-source-paths x))
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(and paths (car paths)))
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;; get all possible source paths (does not check filesystem)
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(define+provide/contract (->stem-source-paths x)
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(pathish? . -> . (or/c #f (non-empty-listof path?)))
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(define results (if (stem-source? x)
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(list x) ; already has the source extension
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#,(if (eq? (syntax->datum #'stem) 'scribble)
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#'(if (x . has-ext? . 'html) ; different logic for scribble sources
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(list (add-ext (remove-ext* x) (world:current-stem-source-ext)))
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#f)
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#'(let ([x-ext (get-ext x)]
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[source-ext (world:current-stem-source-ext)])
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(append
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(list (add-ext x source-ext)) ; standard
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(if x-ext ; has existing ext, therefore needs escaped version
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(append
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(list (add-ext (escape-last-ext x) source-ext))
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(if (ext-in-poly-targets? x-ext x) ; needs multi + escaped multi
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(let ([x-multi (add-ext (remove-ext x) (world:current-poly-source-ext))])
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(list
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(add-ext x-multi (world:current-stem-source-ext))
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(add-ext (escape-last-ext x-multi) source-ext)))
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null))
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null))))))
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(and results (map ->path results)))
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;; coerce either a source or output file to both
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(define+provide/contract (->stem-source+output-paths path)
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(pathish? . -> . (values path? path?))
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;; get the real source path if available, otherwise a theoretical path
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(values (->complete-path (or (get-stem-source path) (->stem-source-path path)))
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(->complete-path (->output-path path))))))]))
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(make-source-utility-functions preproc)
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(define+provide/contract (->source+output-paths source-or-output-path)
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(complete-path? . -> . (values complete-path? complete-path?))
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;; file-proc returns two values, but ormap only wants one
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(define file-proc (ormap (λ(test file-proc) (and (test source-or-output-path) file-proc))
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(list has/is-null-source? has/is-preproc-source? has/is-markup-source? has/is-scribble-source? has/is-markdown-source? has/is-template-source?)
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(list ->null-source+output-paths ->preproc-source+output-paths ->markup-source+output-paths ->scribble-source+output-paths ->markdown-source+output-paths ->template-source+output-paths)))
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(file-proc source-or-output-path))
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(module-test-external
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(require sugar/coerce)
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(check-true (preproc-source? "foo.pp"))
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(check-false (preproc-source? "foo.bar"))
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(check-false (preproc-source? #f))
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(check-equal? (->preproc-source-paths (->path "foo.pp")) (list (->path "foo.pp")))
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(check-equal? (->preproc-source-paths (->path "foo.html")) (list (->path "foo.html.pp") (->path "foo_html.pp")
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(->path "foo.poly.pp") (->path "foo_poly.pp")))
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(check-equal? (->preproc-source-paths "foo") (list (->path "foo.pp")))
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(check-equal? (->preproc-source-paths 'foo) (list (->path "foo.pp")))
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(check-equal? (->preproc-source-path (->path "foo.pp")) (->path "foo.pp"))
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(check-equal? (->preproc-source-path (->path "foo.html")) (->path "foo.html.pp"))
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(check-equal? (->preproc-source-path "foo") (->path "foo.pp"))
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(check-equal? (->preproc-source-path 'foo) (->path "foo.pp")))
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(make-source-utility-functions null)
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(make-source-utility-functions pagetree)
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(module-test-external
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(require pollen/world)
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(check-true (pagetree-source? (format "foo.~a" (world:current-pagetree-source-ext))))
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(check-false (pagetree-source? (format "~a.foo" (world:current-pagetree-source-ext))))
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(check-false (pagetree-source? #f)))
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(make-source-utility-functions markup)
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(module-test-external
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(require sugar/coerce)
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(check-true (markup-source? "foo.pm"))
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(check-false (markup-source? "foo.p"))
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(check-false (markup-source? #f))
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(check-equal? (->markup-source-paths (->path "foo.pm")) (list (->path "foo.pm")))
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(check-equal? (->markup-source-paths (->path "foo.html")) (list (->path "foo.html.pm") (->path "foo_html.pm")
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(->path "foo.poly.pm") (->path "foo_poly.pm")))
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(check-equal? (->markup-source-paths "foo") (list (->path "foo.pm")))
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(check-equal? (->markup-source-paths 'foo) (list (->path "foo.pm")))
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(check-equal? (->markup-source-path (->path "foo.pm")) (->path "foo.pm"))
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(check-equal? (->markup-source-path (->path "foo.html")) (->path "foo.html.pm"))
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(check-equal? (->markup-source-path "foo") (->path "foo.pm"))
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(check-equal? (->markup-source-path 'foo) (->path "foo.pm")))
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(make-source-utility-functions markdown)
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(make-source-utility-functions template)
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(module-test-external
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(check-true (template-source? "foo.html.pt"))
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(check-false (template-source? "foo.html"))
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(check-false (template-source? #f)))
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(make-source-utility-functions scribble)
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(define/contract+provide (->source-path path)
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(coerce/path? . -> . (or/c #f path?))
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(ormap (λ(proc) (proc path)) (list get-markup-source get-markdown-source get-preproc-source get-null-source get-scribble-source)))
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(define+provide/contract (->output-path x)
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(coerce/path? . -> . coerce/path?)
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(cond
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[(or (markup-source? x) (preproc-source? x) (null-source? x) (markdown-source? x) (template-source? x))
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(define output-path (unescape-ext (remove-ext x)))
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(if (has-poly-ext? output-path)
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(add-ext (remove-ext output-path) (or (world:current-poly-target) (car (world:current-poly-targets))))
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output-path)]
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[(scribble-source? x) (add-ext (remove-ext x) 'html)]
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[else x]))
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(module-test-external
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(require sugar/coerce)
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(check-equal? (->output-path (->path "foo.pmap")) (->path "foo.pmap"))
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(check-equal? (->output-path "foo.html") (->path "foo.html"))
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(check-equal? (->output-path 'foo.html.p) (->path "foo.html"))
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(check-equal? (->output-path (->path "/Users/mb/git/foo.html.p")) (->path "/Users/mb/git/foo.html"))
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(check-equal? (->output-path "foo.xml.p") (->path "foo.xml"))
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(check-equal? (->output-path 'foo.barml.p) (->path "foo.barml"))
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(check-equal? (->output-path 'foo_html.p) (->path "foo.html"))
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(check-equal? (->output-path (->path "/Users/mb/git/foo_html.p")) (->path "/Users/mb/git/foo.html"))
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(check-equal? (->output-path "foo_xml.p") (->path "foo.xml"))
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(check-equal? (->output-path 'foo_barml.p) (->path "foo.barml"))
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(check-equal? (->output-path "foo.poly.pm") (->path "foo.html"))
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(check-equal? (->output-path "foo_poly.pp") (->path "foo.html")))
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(define+provide/contract (project-files-with-ext ext)
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(coerce/symbol? . -> . complete-paths?)
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(map ->complete-path (filter (λ(i) (has-ext? i ext)) (directory-list (world:current-project-root)))))
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(define+provide (racket-source? x)
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(->boolean (and (pathish? x) (has-ext? (->path x) 'rkt))))
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;; to identify unsaved sources in DrRacket
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(define (unsaved-source? path-string)
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((substring (->string path-string) 0 7) . equal? . "unsaved"))
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(define+provide (magic-directory? path)
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(and (directory-exists? path)
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(or (ends-with? (path->string path) "compiled"))))
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(define+provide (cache-file? path)
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(ormap (λ(cache-name) (ends-with? (path->string path) cache-name)) world:cache-names))
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(define+provide (pollen-related-file? file)
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(ormap (λ(proc) (proc file)) (list
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preproc-source?
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markup-source?
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markdown-source?
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template-source?
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pagetree-source?
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scribble-source?
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null-source?
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racket-source?
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magic-directory?
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cache-file?
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(world:current-unpublished-path?)))) |