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      1 /*	$NetBSD: urestubs.c,v 1.4 2025/09/05 21:16:23 christos Exp $	*/
      2 
      3 /* $OpenLDAP$ */
      4 /* This work is part of OpenLDAP Software <http://www.openldap.org/>.
      5  *
      6  * Copyright 1998-2024 The OpenLDAP Foundation.
      7  * All rights reserved.
      8  *
      9  * Redistribution and use in source and binary forms, with or without
     10  * modification, are permitted only as authorized by the OpenLDAP
     11  * Public License.
     12  *
     13  * A copy of this license is available in file LICENSE in the
     14  * top-level directory of the distribution or, alternatively, at
     15  * <http://www.OpenLDAP.org/license.html>.
     16  */
     17 /*
     18  * Copyright 1997, 1998, 1999 Computing Research Labs,
     19  * New Mexico State University
     20  *
     21  * Permission is hereby granted, free of charge, to any person obtaining a
     22  * copy of this software and associated documentation files (the "Software"),
     23  * to deal in the Software without restriction, including without limitation
     24  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
     25  * and/or sell copies of the Software, and to permit persons to whom the
     26  * Software is furnished to do so, subject to the following conditions:
     27  *
     28  * The above copyright notice and this permission notice shall be included in
     29  * all copies or substantial portions of the Software.
     30  *
     31  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
     32  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
     33  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
     34  * THE COMPUTING RESEARCH LAB OR NEW MEXICO STATE UNIVERSITY BE LIABLE FOR ANY
     35  * CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT
     36  * OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR
     37  * THE USE OR OTHER DEALINGS IN THE SOFTWARE.
     38  */
     39 /* Id: urestubs.c,v 1.2 1999/09/21 15:47:44 mleisher Exp " */
     40 
     41 #include <sys/cdefs.h>
     42 __RCSID("$NetBSD: urestubs.c,v 1.4 2025/09/05 21:16:23 christos Exp $");
     43 
     44 #include "portable.h"
     45 #include <ac/bytes.h>
     46 
     47 #include "ure.h"
     48 
     49 #ifdef _MSC_VER
     50 #  include "../ucdata/ucdata.h"
     51 #else
     52 #  include "ucdata.h"
     53 #endif
     54 
     55 /*
     56  * This file contains stub routines needed by the URE package to test
     57  * character properties and other Unicode implementation specific details.
     58  */
     59 
     60 /*
     61  * This routine should return the lower case equivalent for the character or,
     62  * if there is no lower case quivalent, the character itself.
     63  */
     64 ucs4_t _ure_tolower(ucs4_t c)
     65 {
     66     return uctoupper(c);
     67 }
     68 
     69 static struct ucmaskmap {
     70 	unsigned long mask1;
     71 	unsigned long mask2;
     72 } masks[32] = {
     73 	{ UC_MN, 0 },	/* _URE_NONSPACING */
     74 	{ UC_MC, 0 },	/* _URE_COMBINING */
     75 	{ UC_ND, 0 },	/* _URE_NUMDIGIT */
     76 	{ UC_NL|UC_NO, 0 },	/* _URE_NUMOTHER */
     77 	{ UC_ZS, 0 },	/* _URE_SPACESEP */
     78 	{ UC_ZL, 0 },	/* _URE_LINESEP */
     79 	{ UC_ZP, 0 },	/* _URE_PARASEP */
     80 	{ UC_CC, 0 },	/* _URE_CNTRL */
     81 	{ UC_CO, 0 },	/* _URE_PUA */
     82 
     83 	{ UC_LU, 0 },	/* _URE_UPPER */
     84 	{ UC_LL, 0 },	/* _URE_LOWER */
     85 	{ UC_LT, 0 },	/* _URE_TITLE */
     86 	{ UC_LM, 0 },	/* _URE_MODIFIER */
     87 	{ UC_LO, 0 },	/* _URE_OTHERLETTER */
     88 	{ UC_PD, 0 },	/* _URE_DASHPUNCT */
     89 	{ UC_PS, 0 },	/* _URE_OPENPUNCT */
     90 	{ UC_PC, 0 },	/* _URE_CLOSEPUNCT */
     91 	{ UC_PO, 0 },	/* _URE_OTHERPUNCT */
     92 	{ UC_SM, 0 },	/* _URE_MATHSYM */
     93 	{ UC_SC, 0 },	/* _URE_CURRENCYSYM */
     94 	{ UC_SO, 0 },	/* _URE_OTHERSYM */
     95 
     96 	{ UC_L, 0 },	/* _URE_LTR */
     97 	{ UC_R, 0 },	/* _URE_RTL */
     98 
     99 	{ 0, UC_EN },	/* _URE_EURONUM */
    100 	{ 0, UC_ES },	/* _URE_EURONUMSEP */
    101 	{ 0, UC_ET },	/* _URE_EURONUMTERM */
    102 	{ 0, UC_AN },	/* _URE_ARABNUM */
    103 	{ 0, UC_CS },	/* _URE_COMMONSEP */
    104 
    105 	{ 0, UC_B },	/* _URE_BLOCKSEP */
    106 	{ 0, UC_S },	/* _URE_SEGMENTSEP */
    107 
    108 	{ 0, UC_WS },	/* _URE_WHITESPACE */
    109 	{ 0, UC_ON }	/* _URE_OTHERNEUT */
    110 };
    111 
    112 
    113 /*
    114  * This routine takes a set of URE character property flags (see ure.h) along
    115  * with a character and tests to see if the character has one or more of those
    116  * properties.
    117  */
    118 int
    119 _ure_matches_properties(unsigned long props, ucs4_t c)
    120 {
    121 	int i;
    122 	unsigned long mask1=0, mask2=0;
    123 
    124 	for( i=0; i<32; i++ ) {
    125 		if( props & (1 << i) ) {
    126 			mask1 |= masks[i].mask1;
    127 			mask2 |= masks[i].mask2;
    128 		}
    129 	}
    130 
    131 	return ucisprop( c, mask1, mask2 );
    132 }
    133