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/* PSPP - a program for statistical analysis.
Copyright (C) 2010, 2011, 2012 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 <http://www.gnu.org/licenses/>. */
#include <config.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include "libpspp/i18n.h"
#include "gl/xalloc.h"
#undef NDEBUG
#include <assert.h>
/* Returns a malloc()'d copy of INPUT with \ooo octal escapes replaced by their
values. */
static char *
backslash_decode (const char *input)
{
char *output = xmalloc (strlen (input) + 1);
char *p = output;
for (; *input; input++)
{
if (*input == '\\' && input[1] >= '0' && input[1] <= '7')
{
uint8_t c = 0;
while (input[1] >= '0' && input[1] <= '7')
c = c * 8 + (*++input - '0');
*p++ = c;
}
else
*p++ = *input;
}
*p = '\0';
return output;
}
int
main (int argc, char *argv[])
{
i18n_init ();
if (argc > 1 && !strcmp (argv[1], "supports_encodings"))
{
int status = 0;
int i;
for (i = 2; i < argc; i++)
if (!is_encoding_supported (argv[i]))
{
printf ("encoding \"%s\" is NOT supported\n", argv[i]);
status = 77;
}
i18n_done ();
exit (status);
}
if (argc == 5 && !strcmp (argv[1], "recode"))
{
const char *from = argv[2];
const char *to = argv[3];
char *string = backslash_decode (argv[4]);
char *result = recode_string (to, from, string, -1);
puts (result);
assert (strlen (result) == recode_string_len (to, from, string, -1));
free (string);
free (result);
}
else if (argc == 6 && !strcmp (argv[1], "concat"))
{
char *head = backslash_decode (argv[2]);
char *tail = backslash_decode (argv[3]);
const char *encoding = argv[4];
int max_len = atoi (argv[5]);
char *result;
result = utf8_encoding_concat (head, tail, encoding, max_len);
puts (result);
assert (strlen (result)
== utf8_encoding_concat_len (head, tail, encoding, max_len));
if (tail[0] == '\0')
{
char *result2 = utf8_encoding_trunc (head, encoding, max_len);
assert (!strcmp (result, result2));
assert (strlen (result2)
== utf8_encoding_trunc_len (head, encoding, max_len));
free (result2);
}
free (result);
free (head);
free (tail);
}
else
{
fprintf (stderr, "\
usage: %s supports_encodings ENCODING...\n\
where ENCODING is the name of an encoding.\n\
Exits with status 0 if all the encodings are supported, 77 otherwise.\n\
\n\
usage: %s recode FROM TO STRING\n\
where FROM is the source encoding,\n\
TO is the target encoding,\n\
and STRING is the text to recode.\n\
\n\
usage: %s concat HEAD TAIL ENCODING MAX_LEN\n\
where HEAD is the first string to concatenate\n\
TAIL is the second string to concatenate\n\
ENCODING is the encoding in which to measure the result's length\n\
MAX_LEN is the maximum length of the result in ENCODING.\n",
argv[0], argv[0], argv[0]);
return EXIT_FAILURE;
}
i18n_done ();
return 0;
}
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