mirror of
https://github.com/ashinn/chibi-scheme.git
synced 2025-05-19 13:49:17 +02:00
74 lines
3 KiB
Scheme
74 lines
3 KiB
Scheme
|
|
(define-library (chibi regexp)
|
|
(export regexp regexp? valid-sre? rx regexp->sre char-set->sre
|
|
regexp-matches regexp-matches? regexp-search
|
|
regexp-replace regexp-replace-all
|
|
regexp-fold regexp-extract regexp-split
|
|
regexp-match? regexp-match-num-matches
|
|
regexp-match-submatch regexp-match-submatch/list
|
|
regexp-match->list regexp-match->sexp)
|
|
(import (srfi 33) (srfi 69))
|
|
;; Chibi's char-set library is more factored than SRFI-14.
|
|
(cond-expand
|
|
(chibi
|
|
(import (rename (chibi) (protect guard))
|
|
(srfi 9) (chibi char-set)
|
|
(chibi char-set full)
|
|
(prefix (chibi char-set ascii) %)))
|
|
(else
|
|
(import (scheme base) (srfi 14))
|
|
(begin
|
|
(define %char-set:letter
|
|
(char-set-intersection char-set:ascii char-set:letter))
|
|
(define %char-set:lower-case
|
|
(char-set-intersection char-set:ascii char-set:lower-case))
|
|
(define %char-set:upper-case
|
|
(char-set-intersection char-set:ascii char-set:upper-case))
|
|
(define %char-set:digit
|
|
(char-set-intersection char-set:ascii char-set:digit))
|
|
(define %char-set:letter+digit
|
|
(char-set-intersection char-set:ascii char-set:letter+digit))
|
|
(define %char-set:punctuation
|
|
(char-set-intersection char-set:ascii char-set:punctuation))
|
|
(define %char-set:graphic
|
|
(char-set-intersection char-set:ascii char-set:graphic))
|
|
(define %char-set:whitespace
|
|
(char-set-intersection char-set:ascii char-set:whitespace))
|
|
(define %char-set:printing
|
|
(char-set-intersection char-set:ascii char-set:printing))
|
|
(define %char-set:iso-control
|
|
(char-set-intersection char-set:ascii char-set:iso-control)))))
|
|
(import (chibi char-set boundary))
|
|
;; Use string-cursors where available.
|
|
(begin
|
|
(define string-cursor? integer?))
|
|
(cond-expand
|
|
(chibi
|
|
(begin
|
|
(define (string-start-arg s o)
|
|
(if (pair? o) (string-index->offset s (car o)) (string-cursor-start s)))
|
|
(define (string-end-arg s o)
|
|
(if (pair? o) (string-index->offset s (car o)) (string-cursor-end s)))
|
|
(define (string-concatenate-reverse ls)
|
|
(string-concatenate (reverse ls)))))
|
|
(else
|
|
(begin
|
|
(define (string-start-arg s o)
|
|
(if (pair? o) (string-index->offset s (car o)) 0))
|
|
(define (string-end-arg s o)
|
|
(if (pair? o) (string-index->offset (car o)) (string-length s)))
|
|
(define string-cursor=? =)
|
|
(define string-cursor<? <)
|
|
(define string-cursor<=? <=)
|
|
(define string-cursor>? >)
|
|
(define string-cursor>=? >=)
|
|
(define string-cursor-ref string-ref)
|
|
(define (string-cursor-next s i) (+ i 1))
|
|
(define (string-cursor-prev s i) (- i 1))
|
|
(define substring-cursor substring)
|
|
(define (string-offset->index str off) off)
|
|
(define (string-index->offset str i) i)
|
|
(define (string-concatenate ls) (apply string-append ls))
|
|
(define (string-concatenate-reverse ls)
|
|
(string-concatenate (reverse ls))))))
|
|
(include "regexp.scm"))
|