* lib/uchar.in.h (c32_apply_mapping): New declaration.
* lib/c32_apply_mapping.c: New file.
* m4/uchar_h.m4 (gl_UCHAR_H_REQUIRE_DEFAULTS): Initialize
GNULIB_C32_APPLY_MAPPING.
* modules/uchar (Makefile.am): Substitute GNULIB_C32_APPLY_MAPPING.
* modules/c32_apply_mapping: New file.
2023-07-13 Bruno Haible <bruno@clisp.org>
+ c32_apply_mapping: New module.
+ * lib/uchar.in.h (c32_apply_mapping): New declaration.
+ * lib/c32_apply_mapping.c: New file.
+ * m4/uchar_h.m4 (gl_UCHAR_H_REQUIRE_DEFAULTS): Initialize
+ GNULIB_C32_APPLY_MAPPING.
+ * modules/uchar (Makefile.am): Substitute GNULIB_C32_APPLY_MAPPING.
+ * modules/c32_apply_mapping: New file.
+
c32_get_mapping: Add tests.
* tests/test-c32_get_mapping.c: New file.
* modules/c32_get_mapping-tests: New file.
--- /dev/null
+/* Apply a 32-bit wide character case conversion.
+ Copyright (C) 2011-2023 Free Software Foundation, Inc.
+
+ This file 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 2.1 of the
+ License, or (at your option) any later version.
+
+ This file 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/>. */
+
+/* Written by Bruno Haible <bruno@clisp.org>, 2023. */
+
+#include <config.h>
+
+#define IN_C32_APPLY_MAPPING
+/* Specification. */
+#include <uchar.h>
+
+#include <string.h>
+#include <wctype.h>
+
+#if _GL_WCHAR_T_IS_UCS4
+_GL_EXTERN_INLINE
+#endif
+wint_t
+c32_apply_mapping (wint_t wc, c32_mapping_t mapping)
+{
+#if _GL_WCHAR_T_IS_UCS4
+ return towctrans (wc, mapping);
+#else
+ return mapping (wc);
+#endif
+}
#endif
-#if @GNULIB_C32_GET_MAPPING@
+#if @GNULIB_C32_GET_MAPPING@ || @GNULIB_C32_APPLY_MAPPING@
/* A scalar type. Instances of this type, other than (c32_mapping_t) 0,
represent a character mapping. It can be applied to 32-bit wide characters.
It is the counterpart of type 'wctrans_t' for wide characters.
_GL_CXXALIASWARN (c32_get_mapping);
#endif
+/* Apply the specified character mapping to a given 32-bit wide character.
+ Return the result of this mapping. Return the WC argument unchanged if it is
+ WEOF.
+ This function is the counterpart of function 'towctrans' for wide characters.
+ */
+#if @GNULIB_C32_APPLY_MAPPING@
+# if _GL_WCHAR_T_IS_UCS4 && !defined IN_C32_APPLY_MAPPING
+_GL_BEGIN_C_LINKAGE
+_GL_INLINE _GL_ARG_NONNULL ((2)) wint_t
+c32_apply_mapping (wint_t wc, c32_mapping_t mapping)
+{
+ return towctrans (wc, mapping);
+}
+_GL_END_C_LINKAGE
+# else
+_GL_FUNCDECL_SYS (c32_apply_mapping, wint_t,
+ (wint_t wc, c32_mapping_t mapping)
+ _GL_ARG_NONNULL ((2)));
+# endif
+_GL_CXXALIAS_SYS (c32_apply_mapping, wint_t,
+ (wint_t wc, c32_mapping_t mapping));
+_GL_CXXALIASWARN (c32_apply_mapping);
+#endif
+
_GL_INLINE_HEADER_END
-# uchar_h.m4 serial 30
+# uchar_h.m4 serial 31
dnl Copyright (C) 2019-2023 Free Software Foundation, Inc.
dnl This file is free software; the Free Software Foundation
dnl gives unlimited permission to copy and/or distribute it,
gl_MODULE_INDICATOR_INIT_VARIABLE([GNULIB_C32STOMBS])
gl_MODULE_INDICATOR_INIT_VARIABLE([GNULIB_C32SWIDTH])
gl_MODULE_INDICATOR_INIT_VARIABLE([GNULIB_C32TOB])
+ gl_MODULE_INDICATOR_INIT_VARIABLE([GNULIB_C32_APPLY_MAPPING])
gl_MODULE_INDICATOR_INIT_VARIABLE([GNULIB_C32_APPLY_TYPE_TEST])
gl_MODULE_INDICATOR_INIT_VARIABLE([GNULIB_C32_GET_MAPPING])
gl_MODULE_INDICATOR_INIT_VARIABLE([GNULIB_C32_GET_TYPE_TEST])
--- /dev/null
+Description:
+c32_apply_mapping() function: convert a 32-bit wide character using a
+case mapping.
+
+Files:
+lib/c32_apply_mapping.c
+
+Depends-on:
+uchar
+towctrans
+
+configure.ac:
+gl_UCHAR_MODULE_INDICATOR([c32_apply_mapping])
+
+Makefile.am:
+lib_SOURCES += c32_apply_mapping.c
+
+Include:
+<uchar.h>
+
+License:
+LGPLv2+
+
+Maintainer:
+all
-e 's/@''GNULIB_C32STOMBS''@/$(GNULIB_C32STOMBS)/g' \
-e 's/@''GNULIB_C32SWIDTH''@/$(GNULIB_C32SWIDTH)/g' \
-e 's/@''GNULIB_C32TOB''@/$(GNULIB_C32TOB)/g' \
+ -e 's/@''GNULIB_C32_APPLY_MAPPING''@/$(GNULIB_C32_APPLY_MAPPING)/g' \
-e 's/@''GNULIB_C32_APPLY_TYPE_TEST''@/$(GNULIB_C32_APPLY_TYPE_TEST)/g' \
-e 's/@''GNULIB_C32_GET_MAPPING''@/$(GNULIB_C32_GET_MAPPING)/g' \
-e 's/@''GNULIB_C32_GET_TYPE_TEST''@/$(GNULIB_C32_GET_TYPE_TEST)/g' \