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/*
* lexgrog_test.c: test whatis extraction from man/cat pages
*
* Copyright (C) 1994, 1995 Graeme W. Wilford. (Wilf.)
* Copyright (C) 2001, 2002, 2003, 2004, 2005, 2006, 2007 Colin Watson.
*
* This file is part of man-db.
*
* man-db 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 2 of the License, or
* (at your option) any later version.
*
* man-db 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 man-db; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
#ifdef HAVE_CONFIG_H
# include "config.h"
#endif /* HAVE_CONFIG_H */
#include <stdio.h>
#include <sys/stat.h>
#if defined(STDC_HEADERS)
# include <string.h>
# include <stdlib.h>
#elif defined(HAVE_STRING_H)
# include <string.h>
#elif defined(HAVE_STRINGS_H)
# include <strings.h>
#endif /* STDC_HEADERS */
#ifdef HAVE_LIBGEN_H
# include <libgen.h>
#endif /* HAVE_LIBGEN_H */
#ifdef HAVE_GETOPT_H
# include <getopt.h>
#else /* !HAVE_GETOPT_H */
# include "lib/getopt.h"
#endif /* HAVE_GETOPT_H */
#include "lib/gettext.h"
#define _(String) gettext (String)
#include "manconfig.h"
#include "lib/error.h"
#include "lib/pipeline.h"
#include "descriptions.h"
#include "ult_src.h"
char *program_name;
int quiet = 1;
static const struct option long_options[] =
{
{"man", no_argument, 0, 'm'},
{"cat", no_argument, 0, 'c'},
{"whatis", no_argument, 0, 'w'},
{"filters", no_argument, 0, 'f'},
{"encoding", required_argument, 0, 'E'},
{"help", no_argument, 0, 'h'},
{"version", no_argument, 0, 'V'},
{0, 0, 0, 0}
};
static const char args[] = "mcwfE:hV";
static void usage (int status)
{
printf (_("usage: %s [-mcwfhV] [-E encoding] file ...\n"), program_name);
printf (_(
"-m, --man parse as man page.\n"
"-c, --cat parse as cat page.\n"
"-w, --whatis show whatis information.\n"
"-f, --filters show guessed series of "
"preprocessing filters.\n"
"-E, --encoding encoding override character set.\n"
"-V, --version show version.\n"
"-h, --help show this usage message.\n"
"\n"
"The defaults are --man and --whatis.\n"));
exit (status);
}
int main (int argc, char **argv)
{
int c;
int type = 0;
int parse_man = 0, parse_cat = 0, show_whatis = 0, show_filters = 0;
const char *encoding = NULL;
int some_failed = 0;
program_name = xstrdup (basename (argv[0]));
while ((c = getopt_long (argc, argv, args,
long_options, NULL)) != -1) {
switch (c) {
case 'm':
parse_man = 1;
break;
case 'c':
parse_cat = 1;
break;
case 'w':
show_whatis = 1;
break;
case 'f':
show_filters = 1;
break;
case 'E':
encoding = optarg;
break;
case 'V':
ver ();
break;
case 'h':
usage (OK);
break;
default:
usage (FAIL);
break;
}
}
if (parse_man) {
if (parse_cat) {
error (0, 0, _("-m -c: incompatible options"));
usage (FAIL);
} else
type = 0;
} else {
if (parse_cat)
type = 1;
else
type = 0; /* default = man */
}
if (!show_whatis && !show_filters)
show_whatis = 1;
pipeline_install_sigchld ();
while (optind != argc) {
lexgrog lg;
const char *file;
int found = 0;
lg.type = type;
if (STREQ (argv[optind], "-"))
file = argv[optind];
else {
char *path, *pathend;
struct stat statbuf;
path = xstrdup (argv[optind]);
pathend = strrchr (path, '/');
if (pathend) {
*pathend = '\0';
pathend = strrchr (path, '/');
if (pathend && STRNEQ (pathend + 1, "man", 3))
*pathend = '\0';
else {
free (path);
path = NULL;
}
} else {
free (path);
path = NULL;
}
file = ult_src (argv[optind], path ? path : ".",
&statbuf, SO_LINK);
if (path)
free (path);
}
if (file && find_name (file, "-", &lg, encoding)) {
struct page_description *descs =
parse_descriptions (NULL, lg.whatis);
const struct page_description *desc;
for (desc = descs; desc; desc = desc->next) {
if (!desc->name || !desc->whatis)
continue;
found = 1;
printf ("%s", argv[optind]);
if (show_filters)
printf (" (%s)", lg.filters);
if (show_whatis)
printf (": \"%s - %s\"",
desc->name, desc->whatis);
printf ("\n");
}
free_descriptions (descs);
}
if (!found) {
printf ("%s: parse failed\n", argv[optind]);
some_failed = 1;
}
++optind;
}
if (some_failed)
return FATAL;
else
return OK;
}
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