Mercurial > gnulib
view lib/unictype/identsyntaxmap.h @ 17249:e542fd46ad6f
maint: update all copyright year number ranges
Run "make update-copyright". Compare to commit 1602f0a from last year.
Signed-off-by: Eric Blake <eblake@redhat.com>
author | Eric Blake <eblake@redhat.com> |
---|---|
date | Tue, 01 Jan 2013 00:50:58 +0000 |
parents | 8250f2777afc |
children | 344018b6e5d7 |
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/* Three-level bitmap lookup. Copyright (C) 2000-2002, 2005-2007, 2009-2013 Free Software Foundation, Inc. Written by Bruno Haible <bruno@clisp.org>, 2000-2002. This program is free software: you can redistribute it and/or modify it under the terms of the GNU Lesser General Public License as published by the Free Software Foundation; either version 3 of the License, or (at your option) any later version. This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details. You should have received a copy of the GNU Lesser General Public License along with this program. If not, see <http://www.gnu.org/licenses/>. */ static inline int identsyntax_lookup (ucs4_t uc); static inline int identsyntax_lookup (ucs4_t uc) { unsigned int index1 = uc >> identsyntax_header_0; if (index1 < identsyntax_header_1) { int lookup1 = TABLE.level1[index1]; if (lookup1 >= 0) { unsigned int index2 = (uc >> identsyntax_header_2) & identsyntax_header_3; int lookup2 = TABLE.level2[lookup1 + index2]; if (lookup2 >= 0) { unsigned int index3 = (uc & identsyntax_header_4) + lookup2; /* level3 contains 2-bit values. */ unsigned int lookup3 = TABLE.level3[index3 >> 3]; return (lookup3 >> (2 * (index3 & 7))) & 3; } } } return UC_IDENTIFIER_INVALID; }