11249740d9
avoid name conflicts with functions from "glisp" of the same name. - Renamed defsubst to definline for the same reason. (This is a commit to the cxml repository, not the main closure repository. If you don't want cxml commit messages on the closure list, please complain to me and I'll change it.)
226 lines
7.5 KiB
Common Lisp
226 lines
7.5 KiB
Common Lisp
;;; -*- Mode: Lisp; Syntax: Common-Lisp; Package: RUNES; -*-
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;;; ---------------------------------------------------------------------------
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;;; Title: Unicode strings (called RODs)
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;;; Created: 1999-05-25 22:29
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;;; Author: Gilbert Baumann <unk6@rz.uni-karlsruhe.de>
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;;; License: LLGPL (See file COPYING for details).
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;;; ---------------------------------------------------------------------------
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;;; (c) copyright 1998,1999 by Gilbert Baumann
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;;; This code is free software; you can redistribute it and/or modify it
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;;; under the terms of the version 2.1 of the GNU Lesser General Public
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;;; License as published by the Free Software Foundation, as clarified
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;;; by the "Preamble to the Gnu Lesser General Public License" found in
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;;; the file COPYING.
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;;;
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;;; This code is distributed in the hope that it will be useful,
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;;; but without any warranty; without even the implied warranty of
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;;; merchantability or fitness for a particular purpose. See the GNU
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;;; Lesser General Public License for more details.
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;;;
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;;; Version 2.1 of the GNU Lesser General Public License is in the file
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;;; COPYING that was distributed with this file. If it is not present,
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;;; you can access it from http://www.gnu.org/copyleft/lesser.txt (until
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;;; superseded by a newer version) or write to the Free Software
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;;; Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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;; Changes
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;;
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;; When Who What
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;; ----------------------------------------------------------------------------
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;; 1999-08-15 GB - ROD=, ROD-EQUAL
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;; RUNE<=, RUNE>=
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;; MAKE-ROD, ROD-SUBSEQ
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;; CHAR-RUNE, RUNE-CHAR, ROD-STRING, STRING-ROD
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;; new functions
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;; - Added rune reader
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;;
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(in-package :runes)
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(deftype rune () '(unsigned-byte 16))
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(deftype rod () '(array rune (*)))
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(deftype simple-rod () '(simple-array rune (*)))
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(definline rune (rod index)
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(aref rod index))
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(defun (setf rune) (new rod index)
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(setf (aref rod index) new))
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(definline %rune (rod index)
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(aref (the (simple-array (unsigned-byte 16) (*)) rod) (the fixnum index)))
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(definline (setf %rune) (new rod index)
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(setf (aref (the (simple-array (unsigned-byte 16) (*)) rod) (the fixnum index)) new))
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(defun rod-capitalize (rod)
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(warn "~S is not implemented." 'rod-capitalize)
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rod)
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(definline code-rune (x) x)
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(definline rune-code (x) x)
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(definline rune= (x y)
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(= x y))
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(defun rune-downcase (rune)
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(cond ((<= #x0041 rune #x005a) (+ rune #x20))
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((= rune #x00d7) rune)
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((<= #x00c0 rune #x00de) (+ rune #x20))
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(t rune)))
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(definline rune-upcase (rune)
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(cond ((<= #x0061 rune #x007a) (- rune #x20))
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((= rune #x00f7) rune)
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((<= #x00e0 rune #x00fe) (- rune #x20))
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(t rune)))
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(defun rune-upper-case-letter-p (rune)
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(or (<= #x0041 rune #x005a) (<= #x00c0 rune #x00de)))
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(defun rune-lower-case-letter-p (rune)
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(or (<= #x0061 rune #x007a) (<= #x00e0 rune #x00fe)
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(= rune #x00d7)))
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(defun rune-equal (x y)
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(rune= (rune-upcase x) (rune-upcase y)))
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(defun rod-downcase (rod)
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;; FIXME
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(map '(simple-array (unsigned-byte 16) (*)) #'rune-downcase rod))
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(defun rod-upcase (rod)
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;; FIXME
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(map '(simple-array (unsigned-byte 16) (*)) #'rune-upcase rod))
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(definline white-space-rune-p (char)
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(or (= char 9) ;TAB
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(= char 10) ;Linefeed
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(= char 13) ;Carriage Return
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(= char 32))) ;Space
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(definline digit-rune-p (char &optional (radix 10))
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(cond ((<= #.(char-code #\0) char #.(char-code #\9))
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(and (< (- char #.(char-code #\0)) radix)
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(- char #.(char-code #\0))))
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((<= #.(char-code #\A) char #.(char-code #\Z))
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(and (< (- char #.(char-code #\A) -10) radix)
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(- char #.(char-code #\A) -10)))
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((<= #.(char-code #\a) char #.(char-code #\z))
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(and (< (- char #.(char-code #\a) -10) radix)
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(- char #.(char-code #\a) -10))) ))
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(defun rod (x)
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(cond ((stringp x) (map 'rod #'char-code x))
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((symbolp x) (rod (string x)))
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((characterp x) (rod (string x)))
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((vectorp x) (coerce x 'rod))
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((integerp x) (map 'rod #'identity (list x)))
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(t (error "Cannot convert ~S to a ~S" x 'rod))))
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(defun runep (x)
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(and (integerp x)
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(<= 0 x #xFFFF)))
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(defun sloopy-rod-p (x)
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(and (not (stringp x))
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(vectorp x)
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(every #'runep x)))
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(defun rod= (x y)
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(and (= (length x) (length y))
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(dotimes (i (length x) t)
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(unless (rune= (rune x i) (rune y i))
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(return nil)))))
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(defun rod-equal (x y)
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(and (= (length x) (length y))
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(dotimes (i (length x) t)
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(unless (rune-equal (rune x i) (rune y i))
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(return nil)))))
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(definline make-rod (size)
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(make-array size :element-type 'rune))
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(defun char-rune (char)
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(code-rune (char-code char)))
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(defun rune-char (rune &optional (default #\?))
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(if (>= rune char-code-limit)
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default
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(or (code-char rune) default)))
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(defun rod-string (rod &optional (default-char #\?))
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(map 'string (lambda (x) (rune-char x default-char)) rod))
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(defun string-rod (string)
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(let* ((n (length string))
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(res (make-rod n)))
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(dotimes (i n)
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(setf (%rune res i) (char-rune (char string i))))
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res))
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;;;;
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(defun rune<= (rune &rest more-runes)
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(apply #'<= rune more-runes))
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(defun rune>= (rune &rest more-runes)
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(apply #'>= rune more-runes))
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(defun rodp (object)
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(typep object 'rod))
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(defun rod-subseq (source start &optional (end (length source)))
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(unless (rodp source)
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(error "~S is not of type ~S." source 'rod))
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(unless (and (typep start 'fixnum) (>= start 0))
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(error "~S is not a non-negative fixnum." start))
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(unless (and (typep end 'fixnum) (>= end start))
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(error "END argument, ~S, is not a fixnum no less than START, ~S." end start))
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(when (> start (length source))
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(error "START argument, ~S, should be no greater than length of rod." start))
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(when (> end (length source))
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(error "END argument, ~S, should be no greater than length of rod." end))
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(locally
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(declare (type rod source)
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(type fixnum start end))
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(let ((res (make-rod (- end start))))
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(declare (type rod res))
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(do ((i (- (- end start) 1) (the fixnum (- i 1))))
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((< i 0) res)
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(declare (type fixnum i))
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(setf (%rune res i) (%rune source (the fixnum (+ i start))))))))
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(defun rod-subseq* (source start &optional (end (length source)))
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(unless (and (typep start 'fixnum) (>= start 0))
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(error "~S is not a non-negative fixnum." start))
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(unless (and (typep end 'fixnum) (>= end start))
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(error "END argument, ~S, is not a fixnum no less than START, ~S." end start))
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(when (> start (length source))
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(error "START argument, ~S, should be no greater than length of rod." start))
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(when (> end (length source))
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(error "END argument, ~S, should be no greater than length of rod." end))
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(locally
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(declare (type fixnum start end))
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(let ((res (make-rod (- end start))))
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(declare (type rod res))
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(do ((i (- (- end start) 1) (the fixnum (- i 1))))
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((< i 0) res)
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(declare (type fixnum i))
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(setf (%rune res i) (aref source (the fixnum (+ i start))))))))
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(defun rod< (rod1 rod2)
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(do ((i 0 (+ i 1)))
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(nil)
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(cond ((= i (length rod1))
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(return t))
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((= i (length rod2))
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(return nil))
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((< (aref rod1 i) (aref rod2 i))
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(return t))
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((> (aref rod1 i) (aref rod2 i))
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(return nil)))))
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