1 /*
2  * Copyright 1998-2008 The OpenLDAP Foundation.
3  * All rights reserved.
4  *
5  * Redistribution and use in source and binary forms, with or without
6  * modification, are permitted only as authorized by the OpenLDAP
7  * Public License.
8  *
9  * A copy of this license is available in file LICENSE in the
10  * top-level directory of the distribution or, alternatively, at
11  * <https://www.OpenLDAP.org/license.html>.
12  */
13 /*
14  * Copyright 1997, 1998, 1999 Computing Research Labs,
15  * New Mexico State University
16  *
17  * Permission is hereby granted, free of charge, to any person obtaining a
18  * copy of this software and associated documentation files (the "Software"),
19  * to deal in the Software without restriction, including without limitation
20  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
21  * and/or sell copies of the Software, and to permit persons to whom the
22  * Software is furnished to do so, subject to the following conditions:
23  *
24  * The above copyright notice and this permission notice shall be included in
25  * all copies or substantial portions of the Software.
26  *
27  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
28  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
29  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
30  * THE COMPUTING RESEARCH LAB OR NEW MEXICO STATE UNIVERSITY BE LIABLE FOR ANY
31  * CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT
32  * OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR
33  * THE USE OR OTHER DEALINGS IN THE SOFTWARE.
34  */
35 
36 /*
37  * This work is part of OpenLDAP Software <https://www.openldap.org/>.
38  * $OpenLDAP: pkg/ldap/libraries/liblunicode/ure/urestubs.c,v 1.16 2008/01/07 23:20:05 kurt Exp $
39  * $Id: urestubs.c,v 1.2 1999/09/21 15:47:44 mleisher Exp $"
40  */
41 
42 #include "k5-int.h"
43 
44 #include "ure.h"
45 
46 #include "ucdata.h"
47 
48 /*
49  * This file contains stub routines needed by the URE package to test
50  * character properties and other Unicode implementation specific details.
51  */
52 
53 /*
54  * This routine should return the lower case equivalent for the character or,
55  * if there is no lower case quivalent, the character itself.
56  */
_ure_tolower(ucs4_t c)57 ucs4_t _ure_tolower(ucs4_t c)
58 {
59     return uctoupper(c);
60 }
61 
62 static struct ucmaskmap {
63 	unsigned long mask1;
64 	unsigned long mask2;
65 } masks[32] = {
66 	{ UC_MN, 0 },	/* _URE_NONSPACING */
67 	{ UC_MC, 0 },	/* _URE_COMBINING */
68 	{ UC_ND, 0 },	/* _URE_NUMDIGIT */
69 	{ UC_NL|UC_NO, 0 },	/* _URE_NUMOTHER */
70 	{ UC_ZS, 0 },	/* _URE_SPACESEP */
71 	{ UC_ZL, 0 },	/* _URE_LINESEP */
72 	{ UC_ZP, 0 },	/* _URE_PARASEP */
73 	{ UC_CC, 0 },	/* _URE_CNTRL */
74 	{ UC_CO, 0 },	/* _URE_PUA */
75 
76 	{ UC_LU, 0 },	/* _URE_UPPER */
77 	{ UC_LL, 0 },	/* _URE_LOWER */
78 	{ UC_LT, 0 },	/* _URE_TITLE */
79 	{ UC_LM, 0 },	/* _URE_MODIFIER */
80 	{ UC_LO, 0 },	/* _URE_OTHERLETTER */
81 	{ UC_PD, 0 },	/* _URE_DASHPUNCT */
82 	{ UC_PS, 0 },	/* _URE_OPENPUNCT */
83 	{ UC_PC, 0 },	/* _URE_CLOSEPUNCT */
84 	{ UC_PO, 0 },	/* _URE_OTHERPUNCT */
85 	{ UC_SM, 0 },	/* _URE_MATHSYM */
86 	{ UC_SC, 0 },	/* _URE_CURRENCYSYM */
87 	{ UC_SO, 0 },	/* _URE_OTHERSYM */
88 
89 	{ UC_L, 0 },	/* _URE_LTR */
90 	{ UC_R, 0 },	/* _URE_RTL */
91 
92 	{ 0, UC_EN },	/* _URE_EURONUM */
93 	{ 0, UC_ES },	/* _URE_EURONUMSEP */
94 	{ 0, UC_ET },	/* _URE_EURONUMTERM */
95 	{ 0, UC_AN },	/* _URE_ARABNUM */
96 	{ 0, UC_CS },	/* _URE_COMMONSEP */
97 
98 	{ 0, UC_B },	/* _URE_BLOCKSEP */
99 	{ 0, UC_S },	/* _URE_SEGMENTSEP */
100 
101 	{ 0, UC_WS },	/* _URE_WHITESPACE */
102 	{ 0, UC_ON }	/* _URE_OTHERNEUT */
103 };
104 
105 
106 /*
107  * This routine takes a set of URE character property flags (see ure.h) along
108  * with a character and tests to see if the character has one or more of those
109  * properties.
110  */
111 int
_ure_matches_properties(unsigned long props,ucs4_t c)112 _ure_matches_properties(unsigned long props, ucs4_t c)
113 {
114 	int i;
115 	unsigned long mask1=0, mask2=0;
116 
117 	for( i=0; i<32; i++ ) {
118 		if( props & (1 << i) ) {
119 			mask1 |= masks[i].mask1;
120 			mask2 |= masks[i].mask2;
121 		}
122 	}
123 
124 	return ucisprop( mask1, mask2, c );
125 }
126