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/*
* Copyright (c) 2004, 2005, 2006, 2007, Svend Sorensen
* Copyright (c) 2009, 2010 Jochen Keil
* For license terms, see the file COPYING in this distribution.
*/
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include "cdtext.h"
struct Cdtext {
int pti;
int format;
char *value;
};
Cdtext *cdtext_init(void)
{
Cdtext *new_cdtext = NULL;
Cdtext cdtext[] = {
{PTI_TITLE, FORMAT_CHAR, NULL},
{PTI_PERFORMER, FORMAT_CHAR, NULL},
{PTI_SONGWRITER, FORMAT_CHAR, NULL},
{PTI_COMPOSER, FORMAT_CHAR, NULL},
{PTI_ARRANGER, FORMAT_CHAR, NULL},
{PTI_MESSAGE, FORMAT_CHAR, NULL},
{PTI_DISC_ID, FORMAT_BINARY, NULL},
{PTI_GENRE, FORMAT_BINARY, NULL},
{PTI_TOC_INFO1, FORMAT_BINARY, NULL},
{PTI_TOC_INFO2, FORMAT_BINARY, NULL},
{PTI_RESERVED1, FORMAT_CHAR, NULL},
{PTI_RESERVED2, FORMAT_CHAR, NULL},
{PTI_RESERVED3, FORMAT_CHAR, NULL},
{PTI_RESERVED4, FORMAT_CHAR, NULL},
{PTI_UPC_ISRC, FORMAT_CHAR, NULL},
{PTI_SIZE_INFO, FORMAT_BINARY, NULL},
{PTI_END, FORMAT_CHAR, NULL}
};
new_cdtext = (Cdtext *) calloc (sizeof (cdtext) / sizeof (Cdtext), sizeof (Cdtext));
if (NULL == new_cdtext)
fprintf (stderr, "problem allocating memory\n");
else
memcpy (new_cdtext, cdtext, sizeof(cdtext));
return new_cdtext;
}
void cdtext_delete(Cdtext *cdtext)
{
int i;
if (NULL != cdtext) {
for (i = 0; PTI_END != cdtext[i].pti; i++)
{
free (cdtext[i].value);
}
free (cdtext);
}
}
/* return 0 if there is no cdtext, returns non-zero otherwise */
int cdtext_is_empty(Cdtext *cdtext)
{
for (; PTI_END != cdtext->pti; cdtext++)
if (NULL != cdtext->value)
return -1;
return 0;
}
/* sets cdtext's pti entry to field */
void cdtext_set(int pti, char *value, Cdtext *cdtext)
{
if (NULL != value) /* don't pass NULL to strdup */
for (; PTI_END != cdtext->pti; cdtext++)
if (pti == cdtext->pti) {
free (cdtext->value);
cdtext->value = strdup (value);
}
}
/* returns value for pti, NULL if pti is not found */
const char *cdtext_get(enum Pti pti, const Cdtext *cdtext)
{
for (; PTI_END != cdtext->pti; cdtext++)
if (pti == cdtext->pti)
return cdtext->value;
return NULL;
}
const char *cdtext_get_key(int pti, int istrack)
{
const char *key = NULL;
switch (pti) {
case PTI_TITLE:
key = "TITLE";
break;
case PTI_PERFORMER:
key = "PERFORMER";
break;
case PTI_SONGWRITER:
key = "SONGWRITER";
break;
case PTI_COMPOSER:
key = "COMPOSER";
break;
case PTI_ARRANGER:
key = "ARRANGER";
break;
case PTI_MESSAGE:
key = "MESSAGE";
break;
case PTI_DISC_ID:
key = "DISC_ID";
break;
case PTI_GENRE:
key = "GENRE";
break;
case PTI_TOC_INFO1:
key = "TOC_INFO1";
break;
case PTI_TOC_INFO2:
key = "TOC_INFO1";
break;
case PTI_RESERVED1:
/* reserved */
break;
case PTI_RESERVED2:
/* reserved */
break;
case PTI_RESERVED3:
/* reserved */
break;
case PTI_RESERVED4:
/* reserved */
break;
case PTI_UPC_ISRC:
if (0 == istrack)
key = "UPC_EAN";
else
key = "ISRC";
break;
case PTI_SIZE_INFO:
key = "SIZE_INFO";
break;
}
return key;
}
void cdtext_dump(Cdtext *cdtext, int istrack)
{
int pti;
const char *value = NULL;
for (pti = 0; PTI_END != pti; pti++) {
if (NULL != (value = cdtext_get(pti, cdtext))) {
printf("%s: ", cdtext_get_key(pti, istrack));
printf("%s\n", value);
}
}
}
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