5c526acb82c882e41b655c31f5fa4425c87b671cMark Andrews/* $Id: unicode_template.c,v 1.1 2003/06/04 00:26:16 marka Exp $ */
5c526acb82c882e41b655c31f5fa4425c87b671cMark Andrews
5c526acb82c882e41b655c31f5fa4425c87b671cMark Andrews/*
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5c526acb82c882e41b655c31f5fa4425c87b671cMark Andrews
5c526acb82c882e41b655c31f5fa4425c87b671cMark Andrews#ifndef UNICODE_TEMPLATE_INIT
5c526acb82c882e41b655c31f5fa4425c87b671cMark Andrews#define UNICODE_TEMPLATE_INIT
5c526acb82c882e41b655c31f5fa4425c87b671cMark Andrews
5c526acb82c882e41b655c31f5fa4425c87b671cMark Andrews/*
5c526acb82c882e41b655c31f5fa4425c87b671cMark Andrews * Macro for multi-level index table.
5c526acb82c882e41b655c31f5fa4425c87b671cMark Andrews */
5c526acb82c882e41b655c31f5fa4425c87b671cMark Andrews#define LOOKUPTBL(vprefix, mprefix, v) \
5c526acb82c882e41b655c31f5fa4425c87b671cMark Andrews DMAP(vprefix)[\
5c526acb82c882e41b655c31f5fa4425c87b671cMark Andrews IMAP(vprefix)[\
5c526acb82c882e41b655c31f5fa4425c87b671cMark Andrews IMAP(vprefix)[IDX0(mprefix, v)] + IDX1(mprefix, v)\
5c526acb82c882e41b655c31f5fa4425c87b671cMark Andrews ]\
5c526acb82c882e41b655c31f5fa4425c87b671cMark Andrews ].tbl[IDX2(mprefix, v)]
5c526acb82c882e41b655c31f5fa4425c87b671cMark Andrews
5c526acb82c882e41b655c31f5fa4425c87b671cMark Andrews#define IDX0(mprefix, v) IDX_0(v, BITS1(mprefix), BITS2(mprefix))
5c526acb82c882e41b655c31f5fa4425c87b671cMark Andrews#define IDX1(mprefix, v) IDX_1(v, BITS1(mprefix), BITS2(mprefix))
5c526acb82c882e41b655c31f5fa4425c87b671cMark Andrews#define IDX2(mprefix, v) IDX_2(v, BITS1(mprefix), BITS2(mprefix))
5c526acb82c882e41b655c31f5fa4425c87b671cMark Andrews
5c526acb82c882e41b655c31f5fa4425c87b671cMark Andrews#define IDX_0(v, bits1, bits2) ((v) >> ((bits1) + (bits2)))
5c526acb82c882e41b655c31f5fa4425c87b671cMark Andrews#define IDX_1(v, bits1, bits2) (((v) >> (bits2)) & ((1 << (bits1)) - 1))
5c526acb82c882e41b655c31f5fa4425c87b671cMark Andrews#define IDX_2(v, bits1, bits2) ((v) & ((1 << (bits2)) - 1))
5c526acb82c882e41b655c31f5fa4425c87b671cMark Andrews
5c526acb82c882e41b655c31f5fa4425c87b671cMark Andrews#define BITS1(mprefix) mprefix ## _BITS_1
5c526acb82c882e41b655c31f5fa4425c87b671cMark Andrews#define BITS2(mprefix) mprefix ## _BITS_2
5c526acb82c882e41b655c31f5fa4425c87b671cMark Andrews
5c526acb82c882e41b655c31f5fa4425c87b671cMark Andrews#define IMAP(vprefix) concat4(VERSION, _, vprefix, _imap)
5c526acb82c882e41b655c31f5fa4425c87b671cMark Andrews#define DMAP(vprefix) concat4(VERSION, _, vprefix, _table)
5c526acb82c882e41b655c31f5fa4425c87b671cMark Andrews#define SEQ(vprefix) concat4(VERSION, _, vprefix, _seq)
5c526acb82c882e41b655c31f5fa4425c87b671cMark Andrews#define concat4(a,b,c,d) concat4X(a, b, c, d)
5c526acb82c882e41b655c31f5fa4425c87b671cMark Andrews#define concat4X(a,b,c,d) a ## b ## c ## d
5c526acb82c882e41b655c31f5fa4425c87b671cMark Andrews
5c526acb82c882e41b655c31f5fa4425c87b671cMark Andrews#endif /* UNICODE_TEMPLATE_INIT */
5c526acb82c882e41b655c31f5fa4425c87b671cMark Andrews
5c526acb82c882e41b655c31f5fa4425c87b671cMark Andrewsstatic int
5c526acb82c882e41b655c31f5fa4425c87b671cMark Andrewscompose_sym(canonclass_, VERSION) (unsigned long c) {
5c526acb82c882e41b655c31f5fa4425c87b671cMark Andrews /* Look up canonicalclass table. */
5c526acb82c882e41b655c31f5fa4425c87b671cMark Andrews return (LOOKUPTBL(canon_class, CANON_CLASS, c));
5c526acb82c882e41b655c31f5fa4425c87b671cMark Andrews}
5c526acb82c882e41b655c31f5fa4425c87b671cMark Andrews
5c526acb82c882e41b655c31f5fa4425c87b671cMark Andrewsstatic int
5c526acb82c882e41b655c31f5fa4425c87b671cMark Andrewscompose_sym(decompose_, VERSION) (unsigned long c, const unsigned long **seqp)
5c526acb82c882e41b655c31f5fa4425c87b671cMark Andrews{
5c526acb82c882e41b655c31f5fa4425c87b671cMark Andrews /* Look up decomposition table. */
5c526acb82c882e41b655c31f5fa4425c87b671cMark Andrews int seqidx = LOOKUPTBL(decompose, DECOMP, c);
5c526acb82c882e41b655c31f5fa4425c87b671cMark Andrews *seqp = SEQ(decompose) + (seqidx & ~DECOMP_COMPAT);
5c526acb82c882e41b655c31f5fa4425c87b671cMark Andrews return (seqidx);
5c526acb82c882e41b655c31f5fa4425c87b671cMark Andrews}
5c526acb82c882e41b655c31f5fa4425c87b671cMark Andrews
5c526acb82c882e41b655c31f5fa4425c87b671cMark Andrewsstatic int
5c526acb82c882e41b655c31f5fa4425c87b671cMark Andrewscompose_sym(compose_, VERSION) (unsigned long c,
5c526acb82c882e41b655c31f5fa4425c87b671cMark Andrews const struct composition **compp)
5c526acb82c882e41b655c31f5fa4425c87b671cMark Andrews{
5c526acb82c882e41b655c31f5fa4425c87b671cMark Andrews /* Look up composition table. */
5c526acb82c882e41b655c31f5fa4425c87b671cMark Andrews int seqidx = LOOKUPTBL(compose, CANON_COMPOSE, c);
5c526acb82c882e41b655c31f5fa4425c87b671cMark Andrews *compp = SEQ(compose) + (seqidx & 0xffff);
5c526acb82c882e41b655c31f5fa4425c87b671cMark Andrews return (seqidx >> 16);
5c526acb82c882e41b655c31f5fa4425c87b671cMark Andrews}