/*
* augparse.c: utility for parsing config files and seeing what's happening
*
* Copyright (C) 2007-2016 David Lutterkort
*
* This library 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 2.1 of the License, or (at your option) any later version.
*
* This library 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 library; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
* Author: David Lutterkort <dlutter@redhat.com>
*/
#include <config.h>
#include <argz.h>
#include <getopt.h>
#include "list.h"
#include "syntax.h"
#include "augeas.h"
#include <locale.h>
const char *progname;
bool print_version = false;
__attribute__((noreturn))
static void usage(void) {
fprintf(stderr, "Usage: %s [OPTIONS] MODULE\n", progname);
fprintf(stderr, "Evaluate MODULE. Generally, MODULE should contain unit tests.\n");
fprintf(stderr, "\nOptions:\n\n");
fprintf(stderr, " -I, --include DIR search DIR for modules; can be given multiple times\n");
fprintf(stderr, " -t, --trace trace module loading\n");
fprintf(stderr, " --nostdinc do not search the builtin default directories for modules\n");
fprintf(stderr, " --notypecheck do not typecheck lenses\n");
fprintf(stderr, " --version print version information and exit\n");
exit(EXIT_FAILURE);
}
static void print_version_info(struct augeas *aug) {
const char *version;
int r;
r = aug_get(aug, "/augeas/version", &version);
if (r != 1)
goto error;
fprintf(stderr, "augparse %s <http://augeas.net/>\n", version);
fprintf(stderr, "Copyright (C) 2007-2016 David Lutterkort\n");
fprintf(stderr, "License LGPLv2+: GNU LGPL version 2.1 or later\n");
fprintf(stderr, " <http://www.gnu.org/licenses/lgpl-2.1.html>\n");
fprintf(stderr, "This is free software: you are free to change and redistribute it.\n");
fprintf(stderr, "There is NO WARRANTY, to the extent permitted by law.\n\n");
fprintf(stderr, "Written by David Lutterkort\n");
return;
error:
fprintf(stderr, "Something went terribly wrong internally - please file a bug\n");
}
int main(int argc, char **argv) {
int opt;
struct augeas *aug;
char *loadpath = NULL;
size_t loadpathlen = 0;
enum {
VAL_NO_STDINC = CHAR_MAX + 1,
VAL_NO_TYPECHECK = VAL_NO_STDINC + 1,
VAL_VERSION = VAL_NO_TYPECHECK + 1
};
struct option options[] = {
{ "help", 0, 0, 'h' },
{ "include", 1, 0, 'I' },
{ "trace", 0, 0, 't' },
{ "nostdinc", 0, 0, VAL_NO_STDINC },
{ "notypecheck", 0, 0, VAL_NO_TYPECHECK },
{ "version", 0, 0, VAL_VERSION },
{ 0, 0, 0, 0}
};
int idx;
unsigned int flags = AUG_TYPE_CHECK|AUG_NO_MODL_AUTOLOAD;
progname = argv[0];
setlocale(LC_ALL, "");
while ((opt = getopt_long(argc, argv, "hI:t", options, &idx)) != -1) {
switch(opt) {
case 'I':
argz_add(&loadpath, &loadpathlen, optarg);
break;
case 't':
flags |= AUG_TRACE_MODULE_LOADING;
break;
case 'h':
usage();
break;
case VAL_NO_STDINC:
flags |= AUG_NO_STDINC;
break;
case VAL_NO_TYPECHECK:
flags &= ~(AUG_TYPE_CHECK);
break;
case VAL_VERSION:
print_version = true;
break;
default:
usage();
break;
}
}
if (!print_version && optind >= argc) {
fprintf(stderr, "Expected .aug file\n");
usage();
}
argz_stringify(loadpath, loadpathlen, PATH_SEP_CHAR);
aug = aug_init(NULL, loadpath, flags);
if (aug == NULL) {
fprintf(stderr, "Memory exhausted\n");
return 2;
}
if (print_version) {
print_version_info(aug);
aug_close(aug);
return EXIT_SUCCESS;
}
if (__aug_load_module_file(aug, argv[optind]) == -1) {
fprintf(stderr, "%s\n", aug_error_message(aug));
const char *s = aug_error_details(aug);
if (s != NULL) {
fprintf(stderr, "%s\n", s);
}
aug_close(aug);
exit(EXIT_FAILURE);
}
aug_close(aug);
free(loadpath);
}
/*
* Local variables:
* indent-tabs-mode: nil
* c-indent-level: 4
* c-basic-offset: 4
* tab-width: 4
* End:
*/