mirror of
https://github.com/ashinn/chibi-scheme.git
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8b5eb68238
They can be close()d explicitly with close-file-descriptor, and will close() on gc, but only explicitly closing the last port on them will close the fileno. Notably needed for network sockets where we open separate input and output ports on the same socket.
47 lines
1.4 KiB
Scheme
47 lines
1.4 KiB
Scheme
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(define (char-set . args)
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(list->char-set args))
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;; This is a mistake in the SRFI-14 design - end should be inclusive.
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(define (ucs-range->char-set start end)
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(make-iset start (- end 1)))
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(define char-set-copy iset-copy)
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(define char-set-size iset-size)
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(define (list->char-set ls)
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(list->iset (map char->integer ls)))
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(define (char-set->list cset)
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(map integer->char (iset->list cset)))
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(define (string->char-set str)
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(list->char-set (string->list str)))
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(define (char-set->string cset)
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(list->string (char-set->list cset)))
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(define (char-set-adjoin! cset ch)
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(iset-adjoin! cset (char->integer ch)))
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(define (char-set-adjoin cset ch)
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(iset-adjoin cset (char->integer ch)))
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(define char-set-union iset-union)
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(define char-set-union! iset-union!)
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(define char-set-intersection iset-intersection)
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(define char-set-intersection! iset-intersection!)
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(define char-set-difference iset-difference)
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(define char-set-difference! iset-difference!)
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(define char-set:empty (immutable-char-set (%make-iset 0 0 0 #f #f)))
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(define char-set:ascii (immutable-char-set (%make-iset 0 #x7F #f #f #f)))
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(cond-expand
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(full-unicode
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(define char-set:full
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(immutable-char-set
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(%make-iset 0 #xD7FF #f #f (%make-iset #xE000 #x10FFFD #f #f #f)))))
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(else
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(define char-set:full (immutable-char-set (%make-iset 0 #xFF #f #f #f)))))
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(define (char-set-complement cset)
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(char-set-difference char-set:full cset))
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