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authorJörg Frings-Fürst <debian@jff-webhosting.net>2017-12-02 12:05:34 +0100
committerJörg Frings-Fürst <debian@jff-webhosting.net>2017-12-02 12:05:34 +0100
commit7c78c92a28ef43d68b172adf97fbd8a27be3baec (patch)
tree3a98b0d01865f5e00912521c58386eb008a70d07 /lib/unicase/special-casing.in.h
parent4d76768442551c97a85e6f133cb818d223012746 (diff)
parent3ee36dc9787cee6ab5314af8f9c01b05a50e7d9d (diff)
Merge branch 'feature/upstream' into develop
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+/* Special casing table.
+ Copyright (C) 2009-2017 Free Software Foundation, Inc.
+ Written by Bruno Haible <bruno@clisp.org>, 2009.
+
+ This program is free software: you can redistribute it and/or
+ modify it under the terms of either:
+
+ * 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.
+
+ or
+
+ * the GNU General Public License as published by the Free
+ Software Foundation; either version 2 of the License, or (at your
+ option) any later version.
+
+ or both in parallel, as here.
+ 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 <https://www.gnu.org/licenses/>. */
+
+#include <stddef.h>
+
+/* A special casing context.
+ A context is negated through x -> -x. */
+enum
+{
+ SCC_ALWAYS = 0,
+ SCC_FINAL_SIGMA = 1,
+ SCC_AFTER_SOFT_DOTTED = 2,
+ SCC_MORE_ABOVE = 3,
+ SCC_BEFORE_DOT = 4,
+ SCC_AFTER_I = 5
+};
+
+struct special_casing_rule
+{
+ /* The first two bytes are the code, in big-endian order. The third byte
+ only distinguishes different rules pertaining to the same code. */
+ /*unsigned*/ char code[3];
+
+ /* True when this rule is not the last one for the given code. */
+ /*bool*/ unsigned int has_next : 1;
+
+ /* Context. */
+ signed int context : 7;
+
+ /* Language, or an empty string. */
+ char language[2];
+
+ /* Mapping to upper case. Between 0 and 3 characters. Filled with 0s. */
+ unsigned short upper[3];
+
+ /* Mapping to lower case. Between 0 and 3 characters. Filled with 0s. */
+ unsigned short lower[3];
+
+ /* Mapping to title case. Between 0 and 3 characters. Filled with 0s. */
+ unsigned short title[3];
+
+ /* Casefolding mapping. Between 0 and 3 characters. Filled with 0s. */
+ unsigned short casefold[3];
+};
+
+extern const struct special_casing_rule *
+ gl_unicase_special_lookup (const char *str, size_t len);