mirror of
git://sourceware.org/git/lvm2.git
synced 2024-12-21 13:34:40 +03:00
101 lines
1.8 KiB
C
101 lines
1.8 KiB
C
/*
|
|
* Copyright (C) 2001-2004 Sistina Software, Inc. All rights reserved.
|
|
* Copyright (C) 2004 Red Hat, Inc. All rights reserved.
|
|
*
|
|
* This file is part of LVM2.
|
|
*
|
|
* This copyrighted material is made available to anyone wishing to use,
|
|
* modify, copy, or redistribute it subject to the terms and conditions
|
|
* of the GNU General Public License v.2.
|
|
*
|
|
* You should have received a copy of the GNU General Public License
|
|
* along with this program; if not, write to the Free Software Foundation,
|
|
* Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
|
|
*/
|
|
|
|
#include "log.h"
|
|
#include "../../lib/regex/parse_rx.h"
|
|
|
|
#include <stdio.h>
|
|
#include <ctype.h>
|
|
|
|
static void _pretty_print(struct rx_node *rx, int depth)
|
|
{
|
|
int i;
|
|
for (i = 0; i < depth; i++)
|
|
printf(" ");
|
|
|
|
/* display info about the node */
|
|
switch (rx->type) {
|
|
case CAT:
|
|
printf("Cat");
|
|
break;
|
|
|
|
case OR:
|
|
printf("Or");
|
|
break;
|
|
|
|
case STAR:
|
|
printf("Star");
|
|
break;
|
|
|
|
case PLUS:
|
|
printf("Plus");
|
|
break;
|
|
|
|
case QUEST:
|
|
printf("Quest");
|
|
break;
|
|
|
|
case CHARSET:
|
|
printf("Charset : ");
|
|
for (i = 0; i < 256; i++) {
|
|
if (bit(rx->charset, i) && isprint(i))
|
|
printf("%c", (char) i);
|
|
}
|
|
break;
|
|
|
|
default:
|
|
printf("Unknown type");
|
|
}
|
|
printf("\n");
|
|
|
|
if (rx->left)
|
|
_pretty_print(rx->left, depth + 1);
|
|
|
|
if (rx->right)
|
|
_pretty_print(rx->right, depth + 1);
|
|
}
|
|
|
|
|
|
int main(int argc, char **argv)
|
|
{
|
|
struct dm_pool *mem;
|
|
struct rx_node *rx;
|
|
|
|
if (argc != 2) {
|
|
fprintf(stderr, "Usage : %s <regex>\n", argv[0]);
|
|
exit(0);
|
|
}
|
|
|
|
init_log(stderr);
|
|
init_debug(_LOG_INFO);
|
|
|
|
if (!(mem = dm_pool_create(1024))) {
|
|
fprintf(stderr, "Couldn't create pool\n");
|
|
exit(1);
|
|
}
|
|
|
|
if (!(rx = rx_parse_str(mem, argv[1]))) {
|
|
fprintf(stderr, "Couldn't parse regex\n");
|
|
exit(1);
|
|
}
|
|
|
|
_pretty_print(rx, 0);
|
|
dm_pool_destroy(mem);
|
|
|
|
dump_memory();
|
|
fin_log();
|
|
return 0;
|
|
}
|