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Add routine to open check for bin file (cdio_is_binfile). Code

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simplified a little.
This commit is contained in:
rocky
2003-05-18 01:50:51 +00:00
parent eee88ad777
commit b6b8e1d88a
3 changed files with 73 additions and 36 deletions
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15
include/cdio/cdio.h
View File

@@ -1,5 +1,5 @@
/* -*- c -*-
$Id: cdio.h,v 1.7 2003/05/16 07:18:27 rocky Exp $
$Id: cdio.h,v 1.8 2003/05/18 01:50:51 rocky Exp $
Copyright (C) 2001 Herbert Valerio Riedel <hvr@gnu.org>
Copyright (C) 2003 Rocky Bernstein <rocky@panix.com>
@@ -113,7 +113,8 @@ extern "C" {
void cdio_destroy (CdIo *obj);
/*!
Return the value associated with the key "arg".
Return the value associatied with key. NULL is returned if obj is NULL
or "key" does not exist.
*/
const char * cdio_get_arg (const CdIo *obj, const char key[]);
@@ -313,9 +314,17 @@ extern "C" {
char * cdio_get_default_device_nrg(void);
/*! Return true if cue_name is a cue file. */
/*! Return corresponding BIN file if cue_name is a cue file or NULL
if not a CUE file.
*/
char *cdio_is_cuefile(const char *cue_name);
/*! Return corresponding CUE file if bin_name is a fin file or NULL
if not a BIN file. NOTE: when we handle TOC something will have to
change here....
*/
char *cdio_is_binfile(const char *bin_name);
#ifdef __cplusplus
}
#endif /* __cplusplus */

83
lib/_cdio_bincue.c
View File

@@ -1,5 +1,5 @@
/*
$Id: _cdio_bincue.c,v 1.18 2003/04/22 12:09:08 rocky Exp $
$Id: _cdio_bincue.c,v 1.19 2003/05/18 01:50:51 rocky Exp $
Copyright (C) 2001 Herbert Valerio Riedel <hvr@gnu.org>
Copyright (C) 2002,2003 Rocky Bernstein <rocky@panix.com>
@@ -28,7 +28,7 @@
# include "config.h"
#endif
static const char _rcsid[] = "$Id: _cdio_bincue.c,v 1.18 2003/04/22 12:09:08 rocky Exp $";
static const char _rcsid[] = "$Id: _cdio_bincue.c,v 1.19 2003/05/18 01:50:51 rocky Exp $";
#include <stdio.h>
#include <ctype.h>
@@ -710,31 +710,64 @@ _cdio_get_track_msf(void *user_data, track_t track_num, msf_t *msf)
if not a CUE file.
*/
/* We can imagine more elaborate checks later. But this gets us
/* Later we'll probably parse the entire file. For now though, this gets us
started for now.
*/
char *
cdio_is_cuefile(const char *cue_name)
{
int i;
char *source_name;
char *bin_name;
if (cue_name == NULL) return false;
source_name=strdup(cue_name);
i=strlen(source_name)-strlen("cue");
bin_name=strdup(cue_name);
i=strlen(bin_name)-strlen("cue");
if (i>0) {
if (cue_name[i]=='c' && cue_name[i+1]=='u' && cue_name[i+2]=='e') {
source_name[i++]='b'; source_name[i++]='i'; source_name[i++]='n';
return source_name;
bin_name[i++]='b'; bin_name[i++]='i'; bin_name[i++]='n';
return bin_name;
}
else if (cue_name[i]=='C' && cue_name[i+1]=='U' && cue_name[i+2]=='E') {
source_name[i++]='B'; source_name[i++]='I'; source_name[i++]='N';
return source_name;
bin_name[i++]='B'; bin_name[i++]='I'; bin_name[i++]='N';
return bin_name;
}
}
free(source_name);
free(bin_name);
return NULL;
}
/*!
Return corresponding CUE file if bin_name is a bin file or NULL
if not a BIN file.
*/
/* Later we'll probably do better. For now though, this gets us
started for now.
*/
char *
cdio_is_binfile(const char *bin_name)
{
int i;
char *cue_name;
if (cue_name == NULL) return false;
cue_name=strdup(bin_name);
i=strlen(bin_name)-strlen("bin");
if (i>0) {
if (bin_name[i]=='b' && bin_name[i+1]=='i' && bin_name[i+2]=='n') {
cue_name[i++]='c'; cue_name[i++]='u'; cue_name[i++]='e';
return cue_name;
}
else if (bin_name[i]=='B' && bin_name[i+1]=='I' && bin_name[i+2]=='N') {
cue_name[i++]='C'; cue_name[i++]='U'; cue_name[i++]='E';
return cue_name;
}
}
free(cue_name);
return NULL;
}
@@ -772,22 +805,16 @@ cdio_open_common (_img_private_t **_data)
CdIo *
cdio_open_bincue (const char *source_name)
{
CdIo *ret;
_img_private_t *_data;
char *bin_name = cdio_is_cuefile(source_name);
if (NULL != bin_name) {
return cdio_open_cue(source_name);
} else {
char *cue_name = cdio_is_cuefile(source_name);
CdIo *cdio = cdio_open_cue(cue_name);
free(cue_name);
return cdio;
}
ret = cdio_open_common(&_data);
if (ret == NULL) return NULL;
_cdio_set_arg(_data, "source", (NULL == source_name)
? DEFAULT_CDIO_DEVICE: source_name);
return ret;
}
CdIo *
@@ -795,20 +822,20 @@ cdio_open_cue (const char *cue_name)
{
CdIo *ret;
_img_private_t *_data;
char *source_name;
char *bin_name;
ret = cdio_open_common(&_data);
if (ret == NULL) return NULL;
source_name = cdio_is_cuefile(cue_name);
bin_name = cdio_is_cuefile(cue_name);
if (NULL == source_name) {
cdio_error ("source name %s is not recognized as a cue file", cue_name);
if (NULL == bin_name) {
cdio_error ("source name %s is not recognized as a CUE file", cue_name);
}
_cdio_set_arg (_data, "cue", cue_name);
_cdio_set_arg (_data, "source", source_name);
free(source_name);
_cdio_set_arg (_data, "source", bin_name);
free(bin_name);
if (_cdio_init(_data)) {
return ret;

9
lib/cdio.c
View File

@@ -1,5 +1,5 @@
/*
$Id: cdio.c,v 1.13 2003/05/16 07:36:48 rocky Exp $
$Id: cdio.c,v 1.14 2003/05/18 01:50:51 rocky Exp $
Copyright (C) 2003 Rocky Bernstein <rocky@panix.com>
Copyright (C) 2001 Herbert Valerio Riedel <hvr@gnu.org>
@@ -35,7 +35,7 @@
#include <cdio/logging.h>
#include "cdio_private.h"
static const char _rcsid[] = "$Id: cdio.c,v 1.13 2003/05/16 07:36:48 rocky Exp $";
static const char _rcsid[] = "$Id: cdio.c,v 1.14 2003/05/18 01:50:51 rocky Exp $";
const char *track_format2str[5] =
@@ -158,12 +158,13 @@ cdio_eject_media (CdIo **obj)
}
/*!
Return a string containing the default CD device if none is specified.
Return the value associatied with key. NULL is returned if obj is NULL
or "key" does not exist.
*/
const char *
cdio_get_arg (const CdIo *obj, const char key[])
{
cdio_assert (obj != NULL);
if (obj == NULL) return NULL;
if (obj->op.get_arg) {
return obj->op.get_arg (obj->user_data, key);