| /* Test of uc_width() function. |
| Copyright (C) 2007-2020 Free Software Foundation, Inc. |
| |
| This program 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. |
| |
| 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 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 <https://www.gnu.org/licenses/>. */ |
| |
| /* Written by Bruno Haible <bruno@clisp.org>, 2008. */ |
| |
| #include <config.h> |
| |
| #include "uniwidth.h" |
| |
| #include <stdio.h> |
| |
| #include "macros.h" |
| |
| /* One of 0, '0', '1', 'A', '2'. */ |
| static char current_width; |
| /* The interval for which the current_width holds. */ |
| static ucs4_t current_start; |
| static ucs4_t current_end; |
| |
| static void |
| finish_interval (void) |
| { |
| if (current_width != 0) |
| { |
| if (current_start == current_end) |
| printf ("%04X\t\t%c\n", (unsigned) current_start, current_width); |
| else |
| printf ("%04X..%04X\t%c\n", (unsigned) current_start, |
| (unsigned) current_end, current_width); |
| current_width = 0; |
| } |
| } |
| |
| static void |
| add_to_interval (ucs4_t uc, char width) |
| { |
| if (current_width == width && uc == current_end + 1) |
| current_end = uc; |
| else |
| { |
| finish_interval (); |
| current_width = width; |
| current_start = current_end = uc; |
| } |
| } |
| |
| int |
| main () |
| { |
| ucs4_t uc; |
| |
| for (uc = 0; uc < 0x110000; uc++) |
| { |
| int w1 = uc_width (uc, "UTF-8"); |
| int w2 = uc_width (uc, "GBK"); |
| char width = |
| (w1 == 0 && w2 == 0 ? '0' : |
| w1 == 1 && w2 == 1 ? '1' : |
| w1 == 1 && w2 == 2 ? 'A' : |
| w1 == 2 && w2 == 2 ? '2' : |
| 0); |
| if (width == 0) |
| { |
| /* uc must be a control character. */ |
| ASSERT (w1 < 0 && w2 < 0); |
| } |
| else |
| add_to_interval (uc, width); |
| } |
| finish_interval (); |
| |
| return 0; |
| } |