61 lines
1.9 KiB
C
61 lines
1.9 KiB
C
/* Test whether a Unicode character is cased.
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Copyright (C) 2002, 2006-2007, 2009-2024 Free Software Foundation, Inc.
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Written by Bruno Haible <bruno@clisp.org>, 2009.
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This file is free software.
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It is dual-licensed under "the GNU LGPLv3+ or the GNU GPLv2+".
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You can redistribute it and/or modify it under either
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- the terms of the GNU Lesser General Public License as published
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by the Free Software Foundation, either version 3, or (at your
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option) any later version, or
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- the terms of the GNU General Public License as published by the
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Free Software Foundation; either version 2, or (at your option)
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any later version, or
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- the same dual license "the GNU LGPLv3+ or the GNU GPLv2+".
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This file is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License and the GNU General Public License
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for more details.
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You should have received a copy of the GNU Lesser General Public
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License and of the GNU General Public License along with this
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program. If not, see <https://www.gnu.org/licenses/>. */
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#include <config.h>
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/* Specification. */
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#include "caseprop.h"
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/* Quoting the Unicode standard:
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Definition: A character is defined to be "cased" if it has the Lowercase
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or Uppercase property or has a General_Category value of
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Titlecase_Letter. */
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#if 0
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#include "unictype.h"
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bool
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uc_is_cased (ucs4_t uc)
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{
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return (uc_is_property_lowercase (uc)
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|| uc_is_property_uppercase (uc)
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|| uc_is_general_category (uc, UC_TITLECASE_LETTER));
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}
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#else
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#include "unictype/bitmap.h"
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/* Define u_casing_property_cased table. */
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#include "cased.h"
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bool
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uc_is_cased (ucs4_t uc)
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{
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return bitmap_lookup (&u_casing_property_cased, uc);
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}
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#endif
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