143 lines
3.7 KiB
C
143 lines
3.7 KiB
C
/*
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$Id: cdtext.c,v 1.2 2004/07/09 02:46:42 rocky Exp $
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Copyright (C) 2004 Rocky Bernstein <rocky@panix.com>
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toc reading routine adapted from cuetools
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Copyright (C) 2003 Svend Sanjay Sorensen <ssorensen@fastmail.fm>
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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#ifdef HAVE_CONFIG_H
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# include "config.h"
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#endif
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#include <cdio/cdtext.h>
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#include <cdio/logging.h>
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#ifdef HAVE_STDLIB_H
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#include <stdlib.h>
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#endif
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#ifdef HAVE_STRING_H
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#include <string.h>
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#endif
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/* Private type */
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struct cdtext {
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const char *key;
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char *value;
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};
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const cdtext_t cdtext[] = {
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{"TITLE", NULL},
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{"PERFORMER", NULL},
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{"SONGWRITER", NULL},
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{"COMPOSER", NULL},
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{"ARRANGER", NULL},
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{"MESSAGE", NULL},
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{"DISC_ID", NULL},
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{"GENRE", NULL},
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{"TOC_INFO", NULL},
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{"TOC_INFO2", NULL},
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{"UPC_EAN", NULL},
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{"ISRC", NULL},
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{"SIZE_INFO", NULL},
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{NULL, NULL}
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};
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cdtext_t *cdtext_init ()
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{
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cdtext_t *new_cdtext = NULL;
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new_cdtext = (cdtext_t *) calloc (sizeof (cdtext) / sizeof (cdtext_t),
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sizeof (cdtext_t));
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if (NULL == new_cdtext)
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cdio_warn("problem allocating memory");
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else
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memcpy (new_cdtext, cdtext, sizeof(cdtext));
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return (new_cdtext);
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}
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/*! Free memory assocated with cdtext*/
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void cdtext_delete (cdtext_t *cdtext)
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{
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int i;
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if (NULL != cdtext) {
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for (i = 0; NULL != cdtext[i].key; i++)
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free (cdtext[i].value);
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free (cdtext);
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}
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}
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/*!
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returns 0 if field is a CD-TEXT keyword, returns non-zero otherwise
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*/
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int
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cdtext_is_keyword (const char *key)
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{
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const char *cdtext_keywords[] =
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{
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"ARRANGER", /* name(s) of the arranger(s) */
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"COMPOSER", /* name(s) of the composer(s) */
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"DISC ID", /* disc identification information */
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"GENRE", /* genre identification and genre information */
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"ISRC", /* ISRC code of each track */
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"MESSAGE", /* message(s) from the content provider and/or artist */
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"PERFORMER", /* name(s) of the performer(s) */
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"SIZE_INFO", /* size information of the block */
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"SONGWRITER", /* name(s) of the songwriter(s) */
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"TITLE", /* title of album name or track titles */
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"TOC_INFO", /* table of contents information */
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"TOC_INFO2" /* second table of contents information */
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"UPC_EAN",
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};
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char *item;
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item = bsearch(key,
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cdtext_keywords, 12,
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sizeof (char *),
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(int (*)(const void *, const void *))
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strcmp);
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return (NULL != item) ? 0 : 1;
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}
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/*! sets cdtext's keyword entry to field.
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*/
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void cdtext_set (const char *key, const char *value, cdtext_t *cdtext)
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{
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if (NULL != value) /* don't pass NULL to strdup! */
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for (; NULL != cdtext->key; cdtext++)
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if (0 == strcmp (cdtext->key, key)) {
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free (cdtext->value);
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cdtext->value = strdup (value);
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}
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}
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/* returns value for key, NULL if key is not found */
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const char *cdtext_get (const char *key, const cdtext_t *cdtext)
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{
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for (; NULL != cdtext->key; cdtext++)
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if (0 == strcmp (cdtext->key, key))
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return (cdtext->value);
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return (NULL);
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}
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