summaryrefslogtreecommitdiff
path: root/lib/unicase/special-casing.h
diff options
context:
space:
mode:
authorAndreas Rottmann <a.rottmann@gmx.at>2009-09-14 12:32:44 +0200
committerAndreas Rottmann <a.rottmann@gmx.at>2009-09-14 12:32:44 +0200
commitfa095a4504cbe668e4244547e2c141597bea4ecf (patch)
tree06135820a286ffec47804e75fbf8a147e92acd2e /lib/unicase/special-casing.h
Imported Upstream version 0.9.1upstream/0.9.1
Diffstat (limited to 'lib/unicase/special-casing.h')
-rw-r--r--lib/unicase/special-casing.h60
1 files changed, 60 insertions, 0 deletions
diff --git a/lib/unicase/special-casing.h b/lib/unicase/special-casing.h
new file mode 100644
index 0000000..ab88b84
--- /dev/null
+++ b/lib/unicase/special-casing.h
@@ -0,0 +1,60 @@
+/* Special casing table.
+ Copyright (C) 2009 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 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/>. */
+
+
+/* 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, unsigned int len);