86 lines
2.2 KiB
C
86 lines
2.2 KiB
C
/* Test of uc_width() function.
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Copyright (C) 2007-2025 Free Software Foundation, Inc.
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <https://www.gnu.org/licenses/>. */
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/* Written by Bruno Haible <bruno@clisp.org>, 2008. */
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#include <config.h>
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#include "uniwidth.h"
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#include <stdio.h>
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#include "macros.h"
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/* One of 0, '0', '1', 'A', '2'. */
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static char current_width;
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/* The interval for which the current_width holds. */
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static ucs4_t current_start;
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static ucs4_t current_end;
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static void
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finish_interval (void)
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{
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if (current_width != 0)
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{
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if (current_start == current_end)
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printf ("%04X\t\t%c\n", (unsigned) current_start, current_width);
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else
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printf ("%04X..%04X\t%c\n", (unsigned) current_start,
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(unsigned) current_end, current_width);
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current_width = 0;
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}
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}
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static void
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add_to_interval (ucs4_t uc, char width)
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{
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if (current_width == width && uc == current_end + 1)
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current_end = uc;
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else
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{
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finish_interval ();
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current_width = width;
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current_start = current_end = uc;
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}
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}
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int
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main ()
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{
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ucs4_t uc;
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for (uc = 0; uc < 0x110000; uc++)
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{
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int w1 = uc_width (uc, "UTF-8");
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int w2 = uc_width (uc, "GBK");
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char width =
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(w1 == 0 && w2 == 0 ? '0' :
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w1 == 1 && w2 == 1 ? '1' :
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w1 == 1 && w2 == 2 ? 'A' :
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w1 == 2 && w2 == 2 ? '2' :
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0);
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if (width == 0)
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{
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/* uc must be a control character. */
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ASSERT (w1 < 0 && w2 < 0);
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}
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else
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add_to_interval (uc, width);
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}
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finish_interval ();
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return test_exit_status;
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}
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