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author | Andreas Rottmann <a.rottmann@gmx.at> | 2009-09-14 12:32:44 +0200 |
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committer | Andreas Rottmann <a.rottmann@gmx.at> | 2009-09-14 12:32:44 +0200 |
commit | fa095a4504cbe668e4244547e2c141597bea4ecf (patch) | |
tree | 06135820a286ffec47804e75fbf8a147e92acd2e /lib/unictype/categ_and_not.c |
Imported Upstream version 0.9.1upstream/0.9.1
Diffstat (limited to 'lib/unictype/categ_and_not.c')
-rw-r--r-- | lib/unictype/categ_and_not.c | 42 |
1 files changed, 42 insertions, 0 deletions
diff --git a/lib/unictype/categ_and_not.c b/lib/unictype/categ_and_not.c new file mode 100644 index 0000000..6cc2759 --- /dev/null +++ b/lib/unictype/categ_and_not.c @@ -0,0 +1,42 @@ +/* Categories of Unicode characters. + Copyright (C) 2007 Free Software Foundation, Inc. + Written by Bruno Haible <bruno@clisp.org>, 2007. + + 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/>. */ + +#include <config.h> + +/* Specification. */ +#include "unictype.h" + +uc_general_category_t +uc_general_category_and_not (uc_general_category_t category1, + uc_general_category_t category2) +{ + uint32_t bitmask; + uc_general_category_t result; + + bitmask = category1.bitmask & ~category2.bitmask; + + if (bitmask == category1.bitmask) + return category1; + + if (bitmask == 0) + return _UC_CATEGORY_NONE; + + result.bitmask = bitmask; + result.generic = 1; + result.lookup.lookup_fn = &uc_is_general_category_withtable; + return result; +} |