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/* Test of uc_width() function.
Copyright (C) 2007-2022 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;
}
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