You cannot select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
62 lines
2.5 KiB
Racket
62 lines
2.5 KiB
Racket
#lang racket/base
|
|
(require (for-syntax racket/base syntax/strip-context)
|
|
txexpr/base
|
|
sugar/define
|
|
racket/contract
|
|
(only-in xml xexpr/c)
|
|
(prefix-in core: hyphenate/private/core))
|
|
|
|
(provide build-main)
|
|
|
|
;; An exception-word is a string of word characters or hyphens.
|
|
(define (exception-word? x)
|
|
(and (string? x) (regexp-match #px"^(\\p{L}|-)+$" x) #t))
|
|
(define (exception-words? xs)
|
|
(and (list? xs) (andmap exception-word? xs)))
|
|
|
|
(define hyphenate/c
|
|
((xexpr?) ((or/c char? string?)
|
|
#:exceptions exception-words?
|
|
#:min-length (or/c integer? #f)
|
|
#:omit-word (string? . -> . any/c)
|
|
#:omit-string (string? . -> . any/c)
|
|
#:omit-txexpr (txexpr? . -> . any/c)
|
|
#:min-left-length (or/c (and/c integer? positive?) #f)
|
|
#:min-right-length (or/c (and/c integer? positive?) #f)) . ->* . xexpr/c))
|
|
|
|
(define (make-hyphenate-function patterns exceptions)
|
|
(make-keyword-procedure
|
|
;; put caches here so they can persist across successive invocations of the function.
|
|
;; but remain distinct between instantiations of this module (say, us vs fr)
|
|
;; pass them as arguments to the core:hyphenate func
|
|
(let ([word-cache exceptions] ; preload exceptions
|
|
[pattern-cache patterns])
|
|
(λ (kws kw-args . rest)
|
|
(keyword-apply core:hyphenate kws kw-args word-cache pattern-cache rest)))))
|
|
|
|
(define (make-unhyphenate-function)
|
|
(make-keyword-procedure
|
|
(λ (kws kw-args . rest)
|
|
(keyword-apply core:unhyphenate kws kw-args rest))))
|
|
|
|
(define unhyphenate/c
|
|
((xexpr/c) ((or/c char? string?)
|
|
#:omit-word (string? . -> . any/c)
|
|
#:omit-string (string? . -> . any/c)
|
|
#:omit-txexpr (txexpr? . -> . any/c)) . ->* . xexpr/c))
|
|
|
|
(define-syntax (build-main stx)
|
|
(syntax-case stx ()
|
|
[(_ dir)
|
|
(with-syntax ([PATTERNS-PATH (path->string (build-path (symbol->string(syntax->datum #'dir)) "patterns.rkt"))]
|
|
[EXCEPTIONS-PATH (path->string (build-path (symbol->string (syntax->datum #'dir)) "exceptions.rkt"))]
|
|
[PATTERNS-ID 'patterns]
|
|
[EXCEPTIONS-ID 'exceptions])
|
|
#'(begin
|
|
(require PATTERNS-PATH EXCEPTIONS-PATH)
|
|
(define+provide+safe hyphenate
|
|
hyphenate/c
|
|
(make-hyphenate-function PATTERNS-ID EXCEPTIONS-ID))
|
|
(define+provide+safe unhyphenate
|
|
unhyphenate/c
|
|
(make-unhyphenate-function))))])) |