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/* Grapheme cluster break function test.
Copyright (C) 2010-2016 Free Software Foundation, Inc.
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 <http://www.gnu.org/licenses/>. */
/* Written by Ben Pfaff <blp@cs.stanford.edu>, 2010. */
#include <config.h>
/* Specification. */
#include <unigbrk.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
const char *
graphemebreakproperty_to_string (int gbp)
{
printf ("%d\n", gbp);
switch (gbp)
{
#define CASE(VALUE) case GBP_##VALUE: return #VALUE;
CASE(OTHER)
CASE(CR)
CASE(LF)
CASE(CONTROL)
CASE(EXTEND)
CASE(PREPEND)
CASE(SPACINGMARK)
CASE(L)
CASE(V)
CASE(T)
CASE(LV)
CASE(LVT)
CASE(RI)
}
abort ();
}
int
main (int argc, char *argv[])
{
const char *filename;
char line[1024];
int exit_code;
FILE *stream;
int lineno;
if (argc != 2)
{
fprintf (stderr, "usage: %s FILENAME\n"
"where FILENAME is the location of the GraphemeBreakTest.txt\n"
"test file.\n", argv[0]);
exit (1);
}
filename = argv[1];
stream = fopen (filename, "r");
if (stream == NULL)
{
fprintf (stderr, "error during fopen of '%s'\n", filename);
exit (1);
}
exit_code = 0;
lineno = 0;
while (fgets (line, sizeof line, stream))
{
char *comment;
const char *p;
ucs4_t prev;
lineno++;
comment = strchr (line, '#');
if (comment != NULL)
*comment = '\0';
if (line[strspn (line, " \t\r\n")] == '\0')
continue;
prev = 0;
p = line;
do
{
bool should_break;
ucs4_t next;
p += strspn (p, " \t\r\n");
if (!strncmp (p, "\303\267" /* ÷ */, 2))
{
should_break = true;
p += 2;
}
else if (!strncmp (p, "\303\227" /* × */, 2))
{
should_break = false;
p += 2;
}
else
{
fprintf (stderr, "%s:%d.%d: syntax error expecting '÷' or '×'\n",
filename, lineno, (int) (p - line + 1));
exit (1);
}
p += strspn (p, " \t\r\n");
if (*p == '\0')
next = 0;
else
{
unsigned int next_int;
int n;
if (sscanf (p, "%x%n", &next_int, &n) != 1)
{
fprintf (stderr, "%s:%d.%d: syntax error at '%s' "
"expecting hexadecimal Unicode code point number\n",
filename, lineno, (int) (p - line + 1), p);
exit (1);
}
p += n;
next = next_int;
}
if (uc_is_grapheme_break (prev, next) != should_break)
{
int prev_gbp = uc_graphemeclusterbreak_property (prev);
int next_gbp = uc_graphemeclusterbreak_property (next);
fprintf (stderr, "%s:%d: should %s U+%04X (%s) and "
"U+%04X (%s)\n",
filename, lineno,
should_break ? "break" : "join",
prev, graphemebreakproperty_to_string (prev_gbp),
next, graphemebreakproperty_to_string (next_gbp));
exit_code = 1;
}
p += strspn (p, " \t\r\n");
prev = next;
}
while (*p != '\0');
}
return exit_code;
}
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