libcmml  0.9.1
cmml-validate.c

This is the full source code of the cmml-validate program, which parses a CMML instance document and validates it against the cmml.dtd returning true/false. In case of an error the faulty tag including line and col number is reported. It also spits out warnings for strange stuff.

/* Copyright (C) 2003 CSIRO Australia
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions
are met:
- Redistributions of source code must retain the above copyright
notice, this list of conditions and the following disclaimer.
- Redistributions in binary form must reproduce the above copyright
notice, this list of conditions and the following disclaimer in the
documentation and/or other materials provided with the distribution.
- Neither the name of the CSIRO nor the names of its
contributors may be used to endorse or promote products derived from
this software without specific prior written permission.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE ORGANISATION OR
CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include "config.h"
#include <stdio.h>
#include <stdlib.h>
#include <fcntl.h>
#include <ctype.h>
#include <string.h>
#include <errno.h>
#ifndef WIN32
#include <unistd.h>
#endif
#ifdef HAVE_GETOPT_H
#include <getopt.h>
#endif
#include <cmml.h>
#define BUFSIZE 100000
/*
#define DEBUG
*/
static int verbose;
static void
PrintUsage(char *prog) {
fprintf(stderr, "Usage: %s [options] filename\n", prog);
fprintf(stderr, "Validate a CMML file.\n\n");
fprintf(stderr, "Possible options:\n");
#ifdef HAVE_GETOPT_LONG
fprintf(stderr, " -i clip_id, --id clip_id\n");
fprintf(stderr, " Start parsing from the named clip.\n");
fprintf(stderr, " -s seconds, --sec seconds\n");
fprintf(stderr, " Start parsing from the given seconds offset\n");
fprintf(stderr, " -u utc, --utc utc\n");
fprintf(stderr, " Start parsing from the given utc time\n");
fprintf(stderr, " -b, --verbose Output parsed file to stdout\n");
fprintf(stderr, " -h, --help Display this help information\n");
fprintf(stderr, " -v, --version Display version information\n");
#else
fprintf(stderr, " -i clip_id Start parsing from the named clip\n");
fprintf(stderr, " -s seconds Start parsing from the given seconds offset\n");
fprintf(stderr, " -u utc Start parsing from the given utc time\n");
fprintf(stderr, " -b Output parsed file to stdout\n");
fprintf(stderr, " -h Display this help information\n");
fprintf(stderr, " -v Display version information\n");
#endif
fprintf(stderr, "\nPlease report bugs to <libcmml-devel@cmis.csiro.au>.\n");
exit(1);
}
static int
read_stream (CMML * cmml, const CMML_Stream * stream, void * user_data) {
char buf[BUFSIZE];
CMML_Error * err;
if ((err = cmml_get_last_error(cmml)) != NULL) {
cmml_error_snprint(buf, BUFSIZE, err, cmml);
fprintf(stderr, "cmml-validate: Parsing stream tag %s\n", buf);
fprintf(stderr, "cmml-validate: Non-recoverable error\n");
return -1;
} else {
/* print stream */
if (verbose) {
fprintf(stdout, "%s\n", buf);
}
} return 0;
}
static int
read_head (CMML * cmml, const CMML_Head * head, void * user_data) {
char buf[BUFSIZE];
CMML_Error * err;
if ((err = cmml_get_last_error(cmml)) != NULL) {
cmml_error_snprint(buf, BUFSIZE, err, cmml);
fprintf(stderr, "cmml-validate: Parsing head tag %s\n", buf);
fprintf(stderr, "cmml-validate: Non-recoverable error\n");
return -1;
} else {
if (verbose) {
fprintf(stdout, "%s\n", buf);
}
}
return 0;
}
static int
read_clip (CMML * cmml, const CMML_Clip * clip, void * user_data) {
char buf[BUFSIZE];
CMML_Error * err;
if ((err = cmml_get_last_error(cmml)) != NULL) {
cmml_error_snprint(buf, BUFSIZE, err, cmml);
fprintf(stderr, "cmml-validate: Parsing clip %s\n", buf);
fprintf(stderr, "cmml-validate: Skipping clip\n\n");
return -1;
} else {
if (verbose) {
fprintf(stdout, "%s\n", buf);
}
}
return 0;
}
int main(int argc, char *argv[])
{
char *pathfile = NULL;
int i;
char buf[BUFSIZE];
CMML * doc;
CMML_Error * err;
long n = 0;
char * clip_id = NULL;
double secs = -1.0;
char * utc = NULL;
int sloppy = 0;
verbose = 0;
while (1) {
char * optstring = "hvbyi:s:u:";
#ifdef HAVE_GETOPT_LONG
static struct option long_options[] = {
{"help",no_argument,0,'h'},
{"version",no_argument,0, 'v'},
{"verbose",no_argument,0,'b'},
{"sloppy",no_argument,0,'y'},
{"id",required_argument,0,'i'},
{"sec",required_argument,0,'s'},
{"utc",required_argument,0,'u'},
{0,0,0,0}
};
i = getopt_long(argc, argv, optstring, long_options, NULL);
#else
i = getopt(argc, argv, optstring);
#endif
if (i == -1) break;
if (i == ':') PrintUsage(argv[0]);
switch (i) {
case 'h': /* help */
PrintUsage(argv[0]);
break;
case 'v': /* version */
fprintf(stdout, "cmml-validate version " VERSION "\n");
fprintf(stdout, "# cmml-validate, Copyright (C) 2003 CSIRO Australia www.csiro.au ; www.annodex.net\n");
break;
case 'i': /* clip_id */
clip_id = optarg;
break;
case 's': /* seconds */
if (!isalpha(optarg[0])) {
secs = atof(optarg);
}
break;
case 'u': /* utc */
utc = optarg;
break;
case 'y': /* sloppy */
sloppy = 1;
break;
case 'b': /* verbose */
verbose = 1;
break;
default:
break;
}
}
/* more arguments that were not parsed */
if (optind > argc) {
PrintUsage(argv[0]);
}
/* no filename given? */
if (optind == argc) {
pathfile = "-";
} else {
pathfile = argv[optind++];
}
/* try open file for parsing and setup cmml parsing */
errno=0;
if (strcmp (pathfile, "-") == 0) {
doc = cmml_new (stdin);
} else {
doc = cmml_open (pathfile);
}
if (doc == NULL) {
if (errno == 0) {
fprintf(stderr, "%s: %s: CMML error opening file\n", argv[0], pathfile);
} else {
fprintf(stderr, "%s: %s: %s\n", argv[0], pathfile, strerror(errno));
}
PrintUsage(argv[0]);
}
/* turn on sloppy parsing if requested */
if (sloppy) {
cmml_set_sloppy(doc, 1);
}
/* print preamble */
if (verbose) {
pre = cmml_get_preamble(doc);
fprintf(stdout, "%s\n", buf);
}
/* seek to clip_id; if not found, to file end */
if (clip_id != NULL) {
/* register callbacks */
cmml_skip_to_id (doc, clip_id);
}
/* seek to time offset; if not found, to file end */
if (secs > 0 || utc != NULL) {
/* register callbacks */
if (secs > 0) {
} else { /* if (utc != NULL) { */
cmml_skip_to_utc (doc, utc);
}
}
/* register callbacks */
/* read document frame-wise and check against CMML.dtd */
while ((n = cmml_read (doc, BUFSIZE)) > 0) {
/* if error reading, print and exit */
if ((err = cmml_get_last_error(doc)) != NULL && err->type != CMML_EOF) {
char *filename;
filename = (strrchr(pathfile, '/') == NULL ? pathfile
: strrchr(pathfile, '/')+1);
cmml_error_snprint(buf, BUFSIZE, err, doc);
fprintf (stderr, "%s:%s\n", filename, buf);
goto cleanup;
}
}
err = cmml_get_last_error(doc);
if (err!=NULL && err->type != CMML_EOF) {
char *filename;
filename = (strrchr(pathfile, '/') == NULL ? pathfile
: strrchr(pathfile, '/')+1);
cmml_error_snprint(buf, BUFSIZE, err, doc);
fprintf (stderr, "%s:%s\n", filename, buf);
goto cleanup;
}
/* write end tag */
if (verbose) {
fprintf(stdout, "</cmml>\n");
}
cleanup:
/* clean up */
cmml_close(doc);
return 0;
}