From fa095a4504cbe668e4244547e2c141597bea4ecf Mon Sep 17 00:00:00 2001 From: Andreas Rottmann Date: Mon, 14 Sep 2009 12:32:44 +0200 Subject: Imported Upstream version 0.9.1 --- lib/unictype/numeric.c | 55 ++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 55 insertions(+) create mode 100644 lib/unictype/numeric.c (limited to 'lib/unictype/numeric.c') diff --git a/lib/unictype/numeric.c b/lib/unictype/numeric.c new file mode 100644 index 00000000..fb1512eb --- /dev/null +++ b/lib/unictype/numeric.c @@ -0,0 +1,55 @@ +/* Values of numeric Unicode characters. + Copyright (C) 2002, 2006-2007 Free Software Foundation, Inc. + Written by Bruno Haible , 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 . */ + +#include + +/* Specification. */ +#include "unictype.h" + +/* Define u_numeric_values and u_numeric tables. */ +#include "numeric.h" + +uc_fraction_t +uc_numeric_value (ucs4_t uc) +{ + unsigned int index1 = uc >> numeric_header_0; + if (index1 < numeric_header_1) + { + int lookup1 = u_numeric.level1[index1]; + if (lookup1 >= 0) + { + unsigned int index2 = (uc >> numeric_header_2) & numeric_header_3; + int lookup2 = u_numeric.level2[lookup1 + index2]; + if (lookup2 >= 0) + { + unsigned int index3 = ((uc & numeric_header_4) + lookup2) * 7; + /* level3 contains 7-bit values, packed into 16-bit words. */ + unsigned int lookup3 = + ((u_numeric.level3[index3>>4] + | (u_numeric.level3[(index3>>4)+1] << 16)) + >> (index3 % 16)) + & 0x7f; + + return u_numeric_values[lookup3]; + } + } + } + { + const uc_fraction_t default_value = { 0, 0 }; + return default_value; + } +} -- cgit v1.2.3