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%{
/* $Id: cue.y,v 1.2 2008/03/23 17:21:34 karl Exp $
Copyright (C) 2005, 2008 Rocky Bernstein <rocky@gnu.org>
This program 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 3 of the License, or
(at your option) any later version.
This program 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 this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include <stdio.h>
#include <stdlib.h>
extern FILE *cuein;
int cuelex(void);
int cueerror(char *s);
#ifdef STANDALONE
#include <getopt.h>
#define YYDEBUG 1
#endif
%}
/* BISON Declarations */
%token TRACK_TOKEN
%token AUDIO_TOKEN
%token MODE1_2048_TOKEN
%token MODE1_2352_TOKEN
%token MODE2_2336_TOKEN
%token MODE2_2352_TOKEN
%token INDEX_TOKEN
%token FILE_TOKEN
%token PREGAP_TOKEN
%token POSTGAP_TOKEN
%token BINARY_TOKEN
%token MOTOROLA_TOKEN
%token FLAGS_TOKEN
%token CATALOG_TOKEN
%token ISRC_TOKEN
%token FOURCH_TOKEN
%token DCP_TOKEN
%token PRE_TOKEN
%token COLON_TOKEN
%token INTEGER_TOKEN
%token SPACES_TOKEN
%token STRING_TOKEN
%token FILENAME_TOKEN
/* Grammar follows */
%%
/* We optionally allow spaces at the end of the file.
*/
cue: cue_stmts opt_spaces ;
/* one or more cuesheet statements. We allow spaces before the beginning
of the cuesheet statement */
cue_stmts: cue_stmts SPACES_TOKEN cue_stmt | opt_spaces cue_stmt ;
cue_stmt: catalog_stmt
| file_stmt
| track_stmt
| flags_stmt
| pregap_stmt
| postgap_stmt
| index_stmt
;
/* FILE *filename* {BINARY|MOTOROLA|AUDIO} */
file_stmt: FILE_TOKEN SPACES_TOKEN file_id SPACES_TOKEN file_flags
;
file_id: FILENAME_TOKEN | STRING_TOKEN
;
file_flags: BINARY_TOKEN | MOTOROLA_TOKEN | AUDIO_TOKEN
;
/* CATALOG *n* */
catalog_stmt: CATALOG_TOKEN INTEGER_TOKEN
;
/* TRACK *n* {MODE1/2048 | MODE1/2352 | MODE2/2336 | MODE2/2352} */
track_stmt: TRACK_TOKEN SPACES_TOKEN INTEGER_TOKEN SPACES_TOKEN track_mode_exp
;
track_mode_exp: MODE1_2048_TOKEN
| MODE1_2352_TOKEN
| MODE2_2336_TOKEN
| MODE2_2352_TOKEN
;
/* FLAGS {DCP | 4CH | PRE} */
flags_stmt: FLAGS_TOKEN SPACES_TOKEN flags_exp
;
flags_exp: DCP_TOKEN | FOURCH_TOKEN | PRE_TOKEN
;
/* PREGAP dd:dd:ddx */
pregap_stmt: PREGAP_TOKEN SPACES_TOKEN msf_exp
;
/* PROSTGAP dd:dd:dd */
postgap_stmt: POSTGAP_TOKEN SPACES_TOKEN msf_exp
;
/* INDEX *n* dd:dd:dd */
index_stmt: INDEX_TOKEN SPACES_TOKEN INTEGER_TOKEN SPACES_TOKEN msf_exp
;
/* a MSF e.g. 00:00:00 or 02:00 */
msf_exp: INTEGER_TOKEN COLON_TOKEN INTEGER_TOKEN COLON_TOKEN INTEGER_TOKEN
| INTEGER_TOKEN COLON_TOKEN INTEGER_TOKEN
;
opt_spaces: SPACES_TOKEN | ;
%%
#ifdef STANDALONE
/* The controlling function */
int
cueerror(char *s) /* called by cueparse on error */
{
printf("%s\n",s);
return(0);
}
int
main( int argc, char **argv )
{
int c;
cuedebug = 0;
while (1) {
int option_index = 0;
static struct option long_options[] = {
{"debug", 0, 0, 'd'},
{0, 0, 0, 0}
};
c = getopt_long (argc, argv, "d", long_options, &option_index);
if (c == -1)
break;
switch (c) {
case 'd':
cuedebug = 1;
break;
default:
printf ("?? getopt returned character code 0%o ??\n", c);
exit(1);
}
}
if ( optind < argc )
cuein = fopen( argv[optind], "r" );
else
cuein = stdin;
if (cueparse()==0) {
printf("Is a CUE file\n");
} else {
printf("Isn't a CUE file\n");
}
exit(0);
}
#endif /* STANDALONE*/
|
