86 lines
2.9 KiB
Scheme
86 lines
2.9 KiB
Scheme
;; Copyright (c) 2009 Derick Eddington. All rights reserved.
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;; Licensed under an MIT-style license. My license is in the file
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;; named LICENSE from the original collection this file is distributed
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;; with. If this file is redistributed with some other collection, my
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;; license must also be included.
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#!r6rs
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(library (srfi s13 strings)
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(export
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string-map string-map!
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string-fold string-unfold
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string-fold-right string-unfold-right
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string-tabulate string-for-each string-for-each-index
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string-every string-any
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string-hash string-hash-ci
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string-compare string-compare-ci
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string= string< string> string<= string>= string<>
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string-ci= string-ci< string-ci> string-ci<= string-ci>= string-ci<>
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string-downcase string-upcase string-titlecase
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string-downcase! string-upcase! string-titlecase!
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string-take string-take-right
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string-drop string-drop-right
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string-pad string-pad-right
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string-trim string-trim-right string-trim-both
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string-filter string-delete
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string-index string-index-right
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string-skip string-skip-right
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string-count
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string-prefix-length string-prefix-length-ci
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string-suffix-length string-suffix-length-ci
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string-prefix? string-prefix-ci?
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string-suffix? string-suffix-ci?
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string-contains string-contains-ci
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string-copy! substring/shared
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string-reverse string-reverse! reverse-list->string
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string-concatenate string-concatenate/shared string-concatenate-reverse
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string-concatenate-reverse/shared
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string-append/shared
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xsubstring string-xcopy!
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string-null?
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string-join
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string-tokenize
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string-replace
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; R5RS extended:
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string->list string-copy string-fill!
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; R5RS re-exports:
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string? make-string string-length string-ref string-set!
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string string-append list->string
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; Low-level routines:
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#;(make-kmp-restart-vector string-kmp-partial-search kmp-step
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string-parse-start+end
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string-parse-final-start+end
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let-string-start+end
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check-substring-spec
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substring-spec-ok?)
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)
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(import
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(except (rnrs) string-copy string-for-each string->list
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string-upcase string-downcase string-titlecase string-hash)
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(except (rnrs mutable-strings) string-fill!)
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(rnrs r5rs)
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(srfi s23 error tricks)
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(srfi s8 receive)
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(srfi s14 char-sets)
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(srfi private let-opt)
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(srfi private include))
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(define-syntax check-arg
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(lambda (stx)
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(syntax-case stx ()
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[(_ pred val caller)
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(and (identifier? #'val) (identifier? #'caller))
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#'(unless (pred val)
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(assertion-violation 'caller "check-arg failed" val))])))
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(define (char-cased? c)
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(char-upper-case? (char-upcase c)))
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;; (SRFI-23-error->R6RS "(library (srfi s13 strings))"
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;; (include/resolve ("srfi" "%3a13") "srfi-13.scm"))
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(SRFI-23-error->R6RS "(library (srfi s13 strings))"
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(include/resolve ("srfi" "s13") "srfi-13.scm"))
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)
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