1/* $Id: unicode_template.c,v 1.1 2003/06/04 00:26:16 marka Exp $ */ 2 3/* 4 * Copyright (c) 2000,2001 Japan Network Information Center. 5 * All rights reserved. 6 * 7 * By using this file, you agree to the terms and conditions set forth bellow. 8 * 9 * LICENSE TERMS AND CONDITIONS 10 * 11 * The following License Terms and Conditions apply, unless a different 12 * license is obtained from Japan Network Information Center ("JPNIC"), 13 * a Japanese association, Kokusai-Kougyou-Kanda Bldg 6F, 2-3-4 Uchi-Kanda, 14 * Chiyoda-ku, Tokyo 101-0047, Japan. 15 * 16 * 1. Use, Modification and Redistribution (including distribution of any 17 * modified or derived work) in source and/or binary forms is permitted 18 * under this License Terms and Conditions. 19 * 20 * 2. Redistribution of source code must retain the copyright notices as they 21 * appear in each source code file, this License Terms and Conditions. 22 * 23 * 3. Redistribution in binary form must reproduce the Copyright Notice, 24 * this License Terms and Conditions, in the documentation and/or other 25 * materials provided with the distribution. For the purposes of binary 26 * distribution the "Copyright Notice" refers to the following language: 27 * "Copyright (c) 2000-2002 Japan Network Information Center. All rights reserved." 28 * 29 * 4. The name of JPNIC may not be used to endorse or promote products 30 * derived from this Software without specific prior written approval of 31 * JPNIC. 32 * 33 * 5. Disclaimer/Limitation of Liability: THIS SOFTWARE IS PROVIDED BY JPNIC 34 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 35 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A 36 * PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL JPNIC BE LIABLE 37 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 38 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 39 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR 40 * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, 41 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR 42 * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF 43 * ADVISED OF THE POSSIBILITY OF SUCH DAMAGES. 44 */ 45 46#ifndef UNICODE_TEMPLATE_INIT 47#define UNICODE_TEMPLATE_INIT 48 49/* 50 * Macro for multi-level index table. 51 */ 52#define LOOKUPTBL(vprefix, mprefix, v) \ 53 DMAP(vprefix)[\ 54 IMAP(vprefix)[\ 55 IMAP(vprefix)[IDX0(mprefix, v)] + IDX1(mprefix, v)\ 56 ]\ 57 ].tbl[IDX2(mprefix, v)] 58 59#define IDX0(mprefix, v) IDX_0(v, BITS1(mprefix), BITS2(mprefix)) 60#define IDX1(mprefix, v) IDX_1(v, BITS1(mprefix), BITS2(mprefix)) 61#define IDX2(mprefix, v) IDX_2(v, BITS1(mprefix), BITS2(mprefix)) 62 63#define IDX_0(v, bits1, bits2) ((v) >> ((bits1) + (bits2))) 64#define IDX_1(v, bits1, bits2) (((v) >> (bits2)) & ((1 << (bits1)) - 1)) 65#define IDX_2(v, bits1, bits2) ((v) & ((1 << (bits2)) - 1)) 66 67#define BITS1(mprefix) mprefix ## _BITS_1 68#define BITS2(mprefix) mprefix ## _BITS_2 69 70#define IMAP(vprefix) concat4(VERSION, _, vprefix, _imap) 71#define DMAP(vprefix) concat4(VERSION, _, vprefix, _table) 72#define SEQ(vprefix) concat4(VERSION, _, vprefix, _seq) 73#define concat4(a,b,c,d) concat4X(a, b, c, d) 74#define concat4X(a,b,c,d) a ## b ## c ## d 75 76#endif /* UNICODE_TEMPLATE_INIT */ 77 78static int 79compose_sym(canonclass_, VERSION) (unsigned long c) { 80 /* Look up canonicalclass table. */ 81 return (LOOKUPTBL(canon_class, CANON_CLASS, c)); 82} 83 84static int 85compose_sym(decompose_, VERSION) (unsigned long c, const unsigned long **seqp) 86{ 87 /* Look up decomposition table. */ 88 int seqidx = LOOKUPTBL(decompose, DECOMP, c); 89 *seqp = SEQ(decompose) + (seqidx & ~DECOMP_COMPAT); 90 return (seqidx); 91} 92 93static int 94compose_sym(compose_, VERSION) (unsigned long c, 95 const struct composition **compp) 96{ 97 /* Look up composition table. */ 98 int seqidx = LOOKUPTBL(compose, CANON_COMPOSE, c); 99 *compp = SEQ(compose) + (seqidx & 0xffff); 100 return (seqidx >> 16); 101} 102