[bpt/guile.git] / module / rnrs / unicode.scm

;;; unicode.scm --- The R6RS Unicode library

;;      Copyright (C) 2010 Free Software Foundation, Inc.
;;
;; This library is free software; you can redistribute it and/or
;; modify it under the terms of the GNU Lesser General Public
;; License as published by the Free Software Foundation; either
;; version 3 of the License, or (at your option) any later version.
;; 
;; This library is distributed in the hope that it will be useful,
;; but WITHOUT ANY WARRANTY; without even the implied warranty of
;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
;; Lesser General Public License for more details.
;; 
;; You should have received a copy of the GNU Lesser General Public
;; License along with this library; if not, write to the Free Software
;; Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
\f

(library (rnrs unicode (6))
  (export char-upcase
	  char-downcase
	  char-titlecase
	  char-foldcase
	  
	  char-ci=?
	  char-ci<?
	  char-ci>?
	  char-ci<=?
	  char-ci>=?
	   
	  char-alphabetic?
	  char-numeric?
	  char-whitespace?
	  char-upper-case?
	  char-lower-case?
	  char-title-case?
	  
	  char-general-category
	  
	  string-upcase
	  string-downcase
	  string-titlecase
	  string-foldcase
	  
	  string-ci=?
	  string-ci<?
	  string-ci>?
	  string-ci<=?
	  string-ci>=?
	  
	  string-normalize-nfd
	  string-normalize-nfkd
	  string-normalize-nfc
	  string-normalize-nfkc)
  (import (only (guile) char-upcase
		        char-downcase
			char-titlecase

			char-ci=?
			char-ci<?
			char-ci>?
			char-ci<=?
			char-ci>=?

			char-alphabetic?
			char-numeric?
			char-whitespace?
			char-upper-case?
			char-lower-case?

			char-set-contains?
			char-set:title-case

			char-general-category

			char-upcase
			char-downcase
			char-titlecase

			string-upcase
			string-downcase
			string-titlecase
	  
			string-ci=?
			string-ci<?
			string-ci>?
			string-ci<=?
			string-ci>=?
	  
			string-normalize-nfd
			string-normalize-nfkd
			string-normalize-nfc
			string-normalize-nfkc)
	  (rnrs base (6)))

  (define (char-foldcase char)
    (if (or (eqv? char #\460) (eqv? char #\461))
	char (char-downcase (char-upcase char))))

  (define (char-title-case? char) (char-set-contains? char-set:title-case char))

  (define (string-foldcase str) (string-downcase (string-upcase str)))
)
Commit	Line	Data
94953250 JG	1	;;; unicode.scm --- The R6RS Unicode library
	2
	3	;; Copyright (C) 2010 Free Software Foundation, Inc.
	4	;;
	5	;; This library is free software; you can redistribute it and/or
	6	;; modify it under the terms of the GNU Lesser General Public
	7	;; License as published by the Free Software Foundation; either
	8	;; version 3 of the License, or (at your option) any later version.
	9	;;
	10	;; This library is distributed in the hope that it will be useful,
	11	;; but WITHOUT ANY WARRANTY; without even the implied warranty of
	12	;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
	13	;; Lesser General Public License for more details.
	14	;;
	15	;; You should have received a copy of the GNU Lesser General Public
	16	;; License along with this library; if not, write to the Free Software
	17	;; Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
	18	\f
	19
	20	(library (rnrs unicode (6))
	21	(export char-upcase
	22	char-downcase
	23	char-titlecase
	24	char-foldcase
	25
	26	char-ci=?
	27	char-ci<?
	28	char-ci>?
	29	char-ci<=?
	30	char-ci>=?
	31
	32	char-alphabetic?
	33	char-numeric?
	34	char-whitespace?
	35	char-upper-case?
	36	char-lower-case?
	37	char-title-case?
	38
	39	char-general-category
	40
	41	string-upcase
	42	string-downcase
	43	string-titlecase
	44	string-foldcase
	45
	46	string-ci=?
	47	string-ci<?
	48	string-ci>?
	49	string-ci<=?
	50	string-ci>=?
	51
	52	string-normalize-nfd
	53	string-normalize-nfkd
	54	string-normalize-nfc
	55	string-normalize-nfkc)
	56	(import (only (guile) char-upcase
	57	char-downcase
	58	char-titlecase
	59
	60	char-ci=?
	61	char-ci<?
	62	char-ci>?
	63	char-ci<=?
	64	char-ci>=?
65
66	char-alphabetic?
67	char-numeric?
68	char-whitespace?
69	char-upper-case?
70	char-lower-case?
71
72	char-set-contains?
73	char-set:title-case
74
75	char-general-category
76
77	char-upcase
78	char-downcase
79	char-titlecase
80
81	string-upcase
82	string-downcase
83	string-titlecase
84
85	string-ci=?
86	string-ci<?
87	string-ci>?
88	string-ci<=?
89	string-ci>=?
90
91	string-normalize-nfd
92	string-normalize-nfkd
93	string-normalize-nfc
94	string-normalize-nfkc)
95	(rnrs base (6)))
96
97	(define (char-foldcase char)
98	(if (or (eqv? char #\460) (eqv? char #\461))
99	char (char-downcase (char-upcase char))))
100
101	(define (char-title-case? char) (char-set-contains? char-set:title-case char))
102
103	(define (string-foldcase str) (string-downcase (string-upcase str)))
104	)