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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-15 19:44:05 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-15 19:44:05 +0000 |
commit | d318611dd6f23fcfedd50e9b9e24620b102ba96a (patch) | |
tree | 8b9eef82ca40fdd5a8deeabf07572074c236095d /src/include/unicode.h | |
parent | Initial commit. (diff) | |
download | groff-d318611dd6f23fcfedd50e9b9e24620b102ba96a.tar.xz groff-d318611dd6f23fcfedd50e9b9e24620b102ba96a.zip |
Adding upstream version 1.23.0.upstream/1.23.0upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to '')
-rw-r--r-- | src/include/unicode.h | 63 |
1 files changed, 63 insertions, 0 deletions
diff --git a/src/include/unicode.h b/src/include/unicode.h new file mode 100644 index 0000000..670864b --- /dev/null +++ b/src/include/unicode.h @@ -0,0 +1,63 @@ +// -*- C++ -*- +/* Copyright (C) 2002-2020 Free Software Foundation, Inc. + Written by Werner Lemberg <wl@gnu.org> + +This file is part of groff. + +groff is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free +Software Foundation, either version 3 of the License, or +(at your option) any later version. + +groff 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 General Public License +for more details. + +You should have received a copy of the GNU General Public License +along with this program. If not, see <http://www.gnu.org/licenses/>. */ + +// Convert a groff glyph name to a string containing an underscore-separated +// list of Unicode code points. For example, +// +// '-' -> '2010' +// ',c' -> '00E7' +// 'fl' -> '0066_006C' +// +// Return NULL if there is no equivalent. +const char *glyph_name_to_unicode(const char *); + +// Convert a string containing an underscore-separated list of Unicode code +// points to a groff glyph name. For example, +// +// '2010' -> 'hy' +// '0066_006C' -> 'fl' +// +// Return NULL if there is no equivalent. +const char *unicode_to_glyph_name(const char *); + +// Convert a string containing a precomposed Unicode character to a string +// containing an underscore-separated list of Unicode code points, +// representing its canonical decomposition. Also perform compatibility +// equivalent replacement. For example, +// +// '1F3A' -> '0399_0313_0300' +// 'FA6A' -> '983B' +// +// Return NULL if there is no equivalent. +const char *decompose_unicode(const char *); + +// Test whether the given string denotes a Unicode character. It must +// be of the form 'uNNNN', obeying the following rules. +// +// - 'NNNN' must consist of at least 4 hexadecimal digits in upper case. +// - If there are more than 4 hexadecimal digits, the leading one must not +// be zero, +// - 'NNNN' must denote a valid Unicode code point (U+0000..U+10FFFF, +// excluding surrogate code points. +// +// Return a pointer to 'NNNN' (skipping the leading 'u' character) in case +// of success, NULL otherwise. +const char *check_unicode_name(const char *); + +// end of unicode.h |