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Redo CD-TEXT handling. First minimally working version for CD bin/cue

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and cdrdao images.
This commit is contained in:
rocky
2004-07-11 14:25:07 +00:00
parent 13614f9820
commit 0d3c10c775
12 changed files with 266 additions and 192 deletions
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105
lib/cdtext.c
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@@ -1,5 +1,5 @@
/*
$Id: cdtext.c,v 1.3 2004/07/11 02:26:15 rocky Exp $
$Id: cdtext.c,v 1.4 2004/07/11 14:25:07 rocky Exp $
Copyright (C) 2004 Rocky Bernstein <rocky@panix.com>
toc reading routine adapted from cuetools
@@ -35,62 +35,50 @@
#include <string.h>
#endif
/* Private type */
struct cdtext {
const char *key;
char *value;
};
const cdtext_t cdtext[] = {
{"TITLE", NULL},
{"PERFORMER", NULL},
{"SONGWRITER", NULL},
{"COMPOSER", NULL},
{"ARRANGER", NULL},
{"MESSAGE", NULL},
{"DISC_ID", NULL},
{"GENRE", NULL},
{"TOC_INFO", NULL},
{"TOC_INFO2", NULL},
{"UPC_EAN", NULL},
{"ISRC", NULL},
{"SIZE_INFO", NULL},
{NULL, NULL}
};
cdtext_t *cdtext_init ()
/*! Free memory assocated with cdtext*/
void
cdtext_destroy (cdtext_t *cdtext)
{
cdtext_t *new_cdtext = NULL;
new_cdtext = (cdtext_t *) calloc (sizeof (cdtext) / sizeof (cdtext_t),
sizeof (cdtext_t));
if (NULL == new_cdtext)
cdio_warn("problem allocating memory");
else
memcpy (new_cdtext, cdtext, sizeof(cdtext));
return (new_cdtext);
cdtext_field_t i;
for (i=0; i < MAX_CDTEXT_FIELDS; i++) {
if (cdtext->field[i]) free(cdtext->field[i]);
}
}
/*! Free memory assocated with cdtext*/
void cdtext_delete (cdtext_t *cdtext)
/*!
returns the CDTEXT value associated with key. NULL is returned
if key is CDTEXT_INVALID or the field is not set.
*/
const char *
cdtext_get (cdtext_field_t key, const cdtext_t *cdtext)
{
int i;
if (NULL != cdtext) {
for (i = 0; NULL != cdtext[i].key; i++)
free (cdtext[i].value);
free (cdtext);
if (key == CDTEXT_INVALID) return NULL;
return cdtext->field[key];
}
/*! Initialize a new cdtext structure.
When the structure is no longer needed, release the
resources using cdtext_delete.
*/
void
cdtext_init (cdtext_t *cdtext)
{
cdtext_field_t i;
for (i=0; i < MAX_CDTEXT_FIELDS; i++) {
cdtext->field[i] = NULL;
}
}
/*!
returns 0 if field is a CD-TEXT keyword, returns non-zero otherwise
*/
int
cdtext_field_t
cdtext_is_keyword (const char *key)
{
/* Note: the order and number items (except CDTEXT_INVALID) should
match the cdtext_field_t enumeration. */
const char *cdtext_keywords[] =
{
"ARRANGER", /* name(s) of the arranger(s) */
@@ -122,31 +110,20 @@ cdtext_is_keyword (const char *key)
for (i = 0; i < 13 ; i++)
if (0 == strcmp (cdtext_keywords[i], key)) {
return 0;
return i;
}
return 1;
return CDTEXT_INVALID;
#endif
}
/*! sets cdtext's keyword entry to field.
*/
void cdtext_set (const char *key, const char *value, cdtext_t *cdtext)
void cdtext_set (cdtext_field_t key, const char *value, cdtext_t *cdtext)
{
if (NULL != value) /* don't pass NULL to strdup! */
for (; NULL != cdtext->key; cdtext++)
if (0 == strcmp (cdtext->key, key)) {
free (cdtext->value);
cdtext->value = strdup (value);
}
}
/* returns value for key, NULL if key is not found */
const char *cdtext_get (const char *key, const cdtext_t *cdtext)
{
for (; NULL != cdtext->key; cdtext++)
if (0 == strcmp (cdtext->key, key))
return (cdtext->value);
return (NULL);
if (NULL == value || key == CDTEXT_INVALID) return;
if (cdtext->field[key]) free (cdtext->field[key]);
cdtext->field[key] = strdup (value);
}