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/*
* Copyright (c) 2009 National Institute of Informatics in Japan.
* All rights reserved.
*/
/*
* $Id$
*/
#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>
#include <unistd.h>
#include <stdio.h>
#include <stdlib.h>
#include <libgen.h>
#include <strings.h>
#include <string.h>
#include <errno.h>
#include <limits.h>
#include <gfarm/gfarm.h>
#include "../gfutil/gfutil.h"
static gfarm_error_t
read_file(char *filename, char **bufp)
{
gfarm_error_t e;
int fd;
struct stat st;
ssize_t sz, msg_sz = 0;
char *buf = NULL;
size_t allocsz;
int overflow;
fd = open(filename, O_RDONLY);
if (fd == -1)
return (gfarm_errno_to_error(errno));
if (fstat(fd, &st) != 0)
e = gfarm_errno_to_error(errno);
else {
overflow = 0;
allocsz = gfarm_size_add(&overflow, st.st_size, 1);
if (!overflow)
buf = malloc(allocsz);
if (buf != NULL) {
while ((sz = read(fd, buf + msg_sz, st.st_size - msg_sz)) > 0) {
msg_sz += sz;
}
if (sz == 0) {
buf[msg_sz] = '\0';
*bufp = buf;
e = GFARM_ERR_NO_ERROR;
} else
e = gfarm_errno_to_error(errno);
} else
e = GFARM_ERR_NO_MEMORY;
}
close(fd);
return e;
}
void
usage(char *prog_name)
{
fprintf(stderr, "Usage: %s [ -d depth ] [ -F delim ] "
"{expr | -f expr-file-path} path\n",
prog_name);
fprintf(stderr, "\t-d\tsearch directory depth (>= 0)\n");
fprintf(stderr, "\t-F\tdelimter of path and attrname (default is TAB)\n");
fprintf(stderr, "\t-f\tXPath script filename\n");
exit(2);
}
/*
*
*/
int
main(int argc, char *argv[])
{
char *prog_name = basename(argv[0]);
int c, depth = INT_MAX;
char *filename = NULL, *path = NULL, *expr = NULL, *delim = "\t";
struct gfs_xmlattr_ctx *ctxp = NULL;
char *fpath, *attrname;
gfarm_error_t e;
int ret = 0;
while ((c = getopt(argc, argv, "d:f:F:h?")) != -1) {
switch (c) {
case 'd':
depth = atoi(optarg);
if (depth < 0)
usage(prog_name);
break;
case 'f':
filename = optarg;
break;
case 'F':
delim = optarg;
break;
case 'h':
case '?':
default:
usage(prog_name);
}
}
argc -= optind;
argv += optind;
if (filename == NULL) {
if (argc < 2)
usage(prog_name);
expr = argv[0];
path = argv[1];
} else if (argc != 1) {
usage(prog_name);
} else {
e = read_file(filename, &expr);
if (e != GFARM_ERR_NO_ERROR) {
fprintf(stderr, "%s: %s: %s\n", prog_name,
gfarm_error_string(e), filename);
exit(1);
}
path = argv[0];
}
e = gfarm_initialize(&argc, &argv);
if (e != GFARM_ERR_NO_ERROR) {
fprintf(stderr, "%s: %s\n", prog_name, gfarm_error_string(e));
exit(1);
}
e = gfs_findxmlattr(path, expr, depth, &ctxp);
if (filename != NULL)
free(expr);
if (e != GFARM_ERR_NO_ERROR) {
fprintf(stderr, "%s\n", gfarm_error_string(e));
exit(1);
}
while ((e = gfs_getxmlent(ctxp, &fpath, &attrname))
== GFARM_ERR_NO_ERROR) {
if (fpath == NULL)
break;
printf("%s%s%s\n", fpath, delim, attrname);
}
if (e != GFARM_ERR_NO_ERROR) {
fprintf(stderr, "%s\n", gfarm_error_string(e));
ret = 1;
}
e = gfs_closexmlattr(ctxp);
if (e != GFARM_ERR_NO_ERROR) {
fprintf(stderr, "%s\n", gfarm_error_string(e));
ret = 1;
}
e = gfarm_terminate();
if (e != GFARM_ERR_NO_ERROR) {
fprintf(stderr, "%s: %s\n", prog_name, gfarm_error_string(e));
exit(1);
}
return ret;
}
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