xref: /illumos-gate/usr/src/lib/iconv_modules/inc/unicode_viscii.h (revision 16d8656330ae5622ec32e5007f62145ebafdc50f)
1 /*
2  * CDDL HEADER START
3  *
4  * The contents of this file are subject to the terms of the
5  * Common Development and Distribution License (the "License").
6  * You may not use this file except in compliance with the License.
7  *
8  * You can obtain a copy of the license at src/OPENSOLARIS.LICENSE
9  * or http://www.opensolaris.org/os/licensing.
10  * See the License for the specific language governing permissions
11  * and limitations under the License.
12  *
13  * When distributing Covered Code, include this CDDL HEADER in each
14  * file and include the License file at src/OPENSOLARIS.LICENSE.
15  * If applicable, add the following below this CDDL HEADER, with the
16  * fields enclosed by brackets "[]" replaced with your own identifying
17  * information: Portions Copyright [yyyy] [name of copyright owner]
18  *
19  * CDDL HEADER END
20  */
21 /*
22  * COPYRIGHT AND PERMISSION NOTICE
23  *
24  * Copyright (c) 1991-2005 Unicode, Inc. All rights reserved. Distributed
25  *  under the Terms of Use in http://www.unicode.org/copyright.html.
26  *
27  * This file has been modified by Sun Microsystems, Inc.
28  *
29 */
30 /*
31  * Copyright(c) 2008 Sun Microsystems, Inc.
32  * All rights reserved.
33  */
34 
35 #ifndef _UNICODE_VISCII_H_
36 #define _UNICODE_VISCII_H_
37 
38 #include <public_struc.h>
39 
40 
41 static const unsigned long viscii2uni_1[32] = {
42     /*
43     * 0x00 - Ox1f
44     */
45     0x0000,  0x0001,  0x1EB2,  0x0003,  0x0004,  0x1EB4,  0x1EAA,  0x0007,
46     0x0008,  0x0009,  0x000A,  0x000B,  0x000C,  0x000D,  0x000E,  0x000F,
47     0x0010,  0x0011,  0x0012,  0x0013,  0x1EF6,  0x0015,  0x0016,  0x0017,
48     0x0018,  0x1EF8,  0x001A,  0x001B,  0x001C,  0x001D,  0x1EF4,  0x001F,
49 };
50 
51 static const unsigned long viscii2uni_2[128] = {
52     /*
53     * 0x80 - Oxff
54     */
55     0x1EA0,  0x1EAE,  0x1EB0,  0x1EB6,  0x1EA4,  0x1EA6,  0x1EA8,  0x1EAC,
56     0x1EBC,  0x1EB8,  0x1EBE,  0x1EC0,  0x1EC2,  0x1EC4,  0x1EC6,  0x1ED0,
57     0x1ED2,  0x1ED4,  0x1ED6,  0x1ED8,  0x1EE2,  0x1EDA,  0x1EDC,  0x1EDE,
58     0x1ECA,  0x1ECE,  0x1ECC,  0x1EC8,  0x1EE6,  0x0168,  0x1EE4,  0x1EF2,
59     0x00D5,  0x1EAF,  0x1EB1,  0x1EB7,  0x1EA5,  0x1EA7,  0x1EA9,  0x1EAD,
60     0x1EBD,  0x1EB9,  0x1EBF,  0x1EC1,  0x1EC3,  0x1EC5,  0x1EC7,  0x1ED1,
61     0x1ED3,  0x1ED5,  0x1ED7,  0x1EE0,  0x01A0,  0x1ED9,  0x1EDD,  0x1EDF,
62     0x1ECB,  0x1EF0,  0x1EE8,  0x1EEA,  0x1EEC,  0x01A1,  0x1EDB,  0x01AF,
63     0x00C0,  0x00C1,  0x00C2,  0x00C3,  0x1EA2,  0x0102,  0x1EB3,  0x1EB5,
64     0x00C8,  0x00C9,  0x00CA,  0x1EBA,  0x00CC,  0x00CD,  0x0128,  0x1EF3,
65     0x0110,  0x1EE9,  0x00D2,  0x00D3,  0x00D4,  0x1EA1,  0x1EF7,  0x1EEB,
66     0x1EED,  0x00D9,  0x00DA,  0x1EF9,  0x1EF5,  0x00DD,  0x1EE1,  0x01B0,
67     0x00E0,  0x00E1,  0x00E2,  0x00E3,  0x1EA3,  0x0103,  0x1EEF,  0x1EAB,
68     0x00E8,  0x00E9,  0x00EA,  0x1EBB,  0x00EC,  0x00ED,  0x0129,  0x1EC9,
69     0x0111,  0x1EF1,  0x00F2,  0x00F3,  0x00F4,  0x00F5,  0x1ECF,  0x1ECD,
70     0x1EE5,  0x00F9,  0x00FA,  0x0169,  0x1EE7,  0x00FD,  0x1EE3,  0x1EEE,
71 };
72 
73 #ifdef __NEED_VISCII_2_UNI__
viscii_2_uni(const unsigned char * in,unsigned long * out)74 static int viscii_2_uni(const unsigned char *in, unsigned long *out )
75 {
76     unsigned char c = *in;
77     if (c < 0x20)
78         *out = (unsigned long) viscii2uni_1[c];
79     else if (c < 0x80)
80         *out = (unsigned long) c;
81     else
82         *out = (unsigned long) viscii2uni_2[c-0x80];
83     return 1;
84 }
85 #endif /* __NEED_VISCII_2_UNI__ */
86 
87 static const unsigned char uni2viscii_1[248] = {
88     0xc0, 0xc1, 0xc2, 0xc3, 0x00, 0x00, 0x00, 0x00,
89     0xc8, 0xc9, 0xca, 0x00, 0xcc, 0xcd, 0x00, 0x00,
90     0x00, 0x00, 0xd2, 0xd3, 0xd4, 0xa0, 0x00, 0x00,
91     0x00, 0xd9, 0xda, 0x00, 0x00, 0xdd, 0x00, 0x00,
92     0xe0, 0xe1, 0xe2, 0xe3, 0x00, 0x00, 0x00, 0x00,
93     0xe8, 0xe9, 0xea, 0x00, 0xec, 0xed, 0x00, 0x00,
94     0x00, 0x00, 0xf2, 0xf3, 0xf4, 0xf5, 0x00, 0x00,
95     0x00, 0xf9, 0xfa, 0x00, 0x00, 0xfd, 0x00, 0x00,
96     0x00, 0x00, 0xc5, 0xe5, 0x00, 0x00, 0x00, 0x00,
97     0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
98     0xd0, 0xf0, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
99     0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
100     0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
101     0xce, 0xee, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
102     0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
103     0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
104     0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
105     0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
106     0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
107     0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
108     0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
109     0x9d, 0xfb, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
110     0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
111     0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
112     0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
113     0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
114     0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
115     0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
116     0xb4, 0xbd, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
117     0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xbf,
118     0xdf, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
119 };
120 static const unsigned char uni2viscii_2[96] = {
121     /*
122     * From 0x1EA0 to 0x1EF9.
123     */
124     0x80, 0xd5, 0xc4, 0xe4, 0x84, 0xa4, 0x85, 0xa5,
125     0x86, 0xa6, 0x06, 0xe7, 0x87, 0xa7, 0x81, 0xa1,
126     0x82, 0xa2, 0x02, 0xc6, 0x05, 0xc7, 0x83, 0xa3,
127     0x89, 0xa9, 0xcb, 0xeb, 0x88, 0xa8, 0x8a, 0xaa,
128     0x8b, 0xab, 0x8c, 0xac, 0x8d, 0xad, 0x8e, 0xae,
129     0x9b, 0xef, 0x98, 0xb8, 0x9a, 0xf7, 0x99, 0xf6,
130     0x8f, 0xaf, 0x90, 0xb0, 0x91, 0xb1, 0x92, 0xb2,
131     0x93, 0xb5, 0x95, 0xbe, 0x96, 0xb6, 0x97, 0xb7,
132     0xb3, 0xde, 0x94, 0xfe, 0x9e, 0xf8, 0x9c, 0xfc,
133     0xba, 0xd1, 0xbb, 0xd7, 0xbc, 0xd8, 0xff, 0xe6,
134     0xb9, 0xf1, 0x9f, 0xcf, 0x1e, 0xdc, 0x14, 0xd6,
135     0x19, 0xdb, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
136 };
137 
138 #ifdef __NEED_UNI_2_VISCII__
uni_2_viscii(unsigned long in,unsigned char * out)139 static int uni_2_viscii (unsigned long in,  unsigned char *out)
140 {
141     unsigned char c = 0;
142 
143     if (in < 0x0080 && (in >= 0x0020 || (0xBDEFFF9B & (1 << in)) ) ) {
144         /* Bit mask from right to left, 0 means no code point:
145          * 1011 1101 1110 1111 1111 1111 1001 1011
146          */
147         *out = in;
148         return 1;
149     } else if (in >= 0x00c0 && in < 0x01b8)
150         c = uni2viscii_1[in-0x00c0];
151     else if (in >= 0x1ea0 && in < 0x1f00)
152         c = uni2viscii_2[in-0x1ea0];
153 
154     if (c != 0) {
155         *out = c;
156         return 1;
157     }
158 
159     return 0;
160 }
161 #endif
162 
163 #endif
164