diff options
author | Jörg Frings-Fürst <debian@jff.email> | 2024-03-03 19:11:32 +0100 |
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committer | Jörg Frings-Fürst <debian@jff.email> | 2024-03-03 19:11:32 +0100 |
commit | 00893e79fc62966067af1a106567db96bd170338 (patch) | |
tree | 52b35cd0b42ca28e62a2ffbecade2e13dd8332cf /lib/unictype/incb_of.c | |
parent | 26112352a774737e1ce5580c93654a26c1e82b39 (diff) |
New upstream version 1.2upstream/1.2upstream
Diffstat (limited to 'lib/unictype/incb_of.c')
-rw-r--r-- | lib/unictype/incb_of.c | 56 |
1 files changed, 56 insertions, 0 deletions
diff --git a/lib/unictype/incb_of.c b/lib/unictype/incb_of.c new file mode 100644 index 00000000..91f5121f --- /dev/null +++ b/lib/unictype/incb_of.c @@ -0,0 +1,56 @@ +/* Indic_Conjunct_Break attribute of Unicode characters. + Copyright (C) 2011-2024 Free Software Foundation, Inc. + Written by Bruno Haible <bruno@clisp.org>, 2024. + + This file is free software. + It is dual-licensed under "the GNU LGPLv3+ or the GNU GPLv2+". + You can redistribute it and/or modify it under either + - the terms of the GNU Lesser General Public License as published + by the Free Software Foundation, either version 3, or (at your + option) any later version, or + - the terms of the GNU General Public License as published by the + Free Software Foundation; either version 2, or (at your option) + any later version, or + - the same dual license "the GNU LGPLv3+ or the GNU GPLv2+". + + This file 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 and the GNU General Public License + for more details. + + You should have received a copy of the GNU Lesser General Public + License and of the GNU General Public License along with this + program. If not, see <https://www.gnu.org/licenses/>. */ + +#include <config.h> + +/* Specification. */ +#include "unictype.h" + +/* Define u_indic_conjunct_break table. */ +#include "incb_of.h" + +int +uc_indic_conjunct_break (ucs4_t uc) +{ + unsigned int index1 = uc >> indic_conjunct_break_header_0; + if (index1 < indic_conjunct_break_header_1) + { + int lookup1 = u_indic_conjunct_break.level1[index1]; + if (lookup1 >= 0) + { + unsigned int index2 = (uc >> indic_conjunct_break_header_2) & indic_conjunct_break_header_3; + int lookup2 = u_indic_conjunct_break.level2[lookup1 + index2]; + if (lookup2 >= 0) + { + unsigned int index3 = (uc & indic_conjunct_break_header_4) + lookup2; + /* level3 contains 2-bit values. */ + unsigned int lookup3 = u_indic_conjunct_break.level3[index3 >> 3]; + + return (lookup3 >> (2 * (index3 & 7))) & 3; + } + } + } + return UC_INDIC_CONJUNCT_BREAK_NONE; +} |