| /* Arabic joining type of Unicode characters. |
| Copyright (C) 2011-2020 Free Software Foundation, Inc. |
| Written by Bruno Haible <bruno@clisp.org>, 2011. |
| |
| 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 <https://www.gnu.org/licenses/>. */ |
| |
| #include <config.h> |
| |
| /* Specification. */ |
| #include "unictype.h" |
| |
| #include <string.h> |
| |
| #include "unictype/joiningtype_byname.h" |
| |
| int |
| uc_joining_type_byname (const char *joining_type_name) |
| { |
| size_t len; |
| |
| len = strlen (joining_type_name); |
| if (len <= MAX_WORD_LENGTH) |
| { |
| char buf[MAX_WORD_LENGTH + 1]; |
| const struct named_joining_type *found; |
| |
| /* Copy joining_type_name into buf, converting '_' and '-' to ' '. */ |
| { |
| const char *p = joining_type_name; |
| char *q = buf; |
| |
| for (;; p++, q++) |
| { |
| char c = *p; |
| |
| if (c == '_' || c == '-') |
| c = ' '; |
| *q = c; |
| if (c == '\0') |
| break; |
| } |
| } |
| /* Here q == buf + len. */ |
| |
| /* Do a hash table lookup, with case-insensitive comparison. */ |
| found = uc_joining_type_lookup (buf, len); |
| if (found != NULL) |
| return found->joining_type; |
| } |
| /* Invalid joining type name. */ |
| return -1; |
| } |