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/* the Music Player Daemon (MPD)
* Copyright (C) 2003-2007 by Warren Dukes (warren.dukes@gmail.com)
* This project's homepage is: http://www.musicpd.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 2 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, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#include "metadataChunk.h"
#include "gcc.h"
#include <string.h>
static void initMetadataChunk(MetadataChunk * chunk)
{
chunk->name = -1;
chunk->artist = -1;
chunk->album = -1;
chunk->title = -1;
}
#define dupElementToTag(item, element) { \
if(element >= 0 && element < METADATA_BUFFER_LENGTH) { \
addItemToMpdTag(ret, item, chunk->buffer+element); \
} \
}
MpdTag *metadataChunkToMpdTagDup(MetadataChunk * chunk)
{
MpdTag *ret = newMpdTag();
chunk->buffer[METADATA_BUFFER_LENGTH - 1] = '\0';
dupElementToTag(TAG_ITEM_NAME, chunk->name);
dupElementToTag(TAG_ITEM_TITLE, chunk->title);
dupElementToTag(TAG_ITEM_ARTIST, chunk->artist);
dupElementToTag(TAG_ITEM_ALBUM, chunk->album);
return ret;
}
#define copyStringToChunk(string, element) { \
if(element < 0 && string && (slen = strlen(string)) && \
pos < METADATA_BUFFER_LENGTH-1) \
{ \
size_t len = slen; \
size_t max = METADATA_BUFFER_LENGTH - 1 - pos; \
if (mpd_unlikely(len > max)) \
len = max; \
memcpy(chunk->buffer+pos, string, len); \
*(chunk->buffer+pos+len) = '\0'; \
element = pos; \
pos += slen+1; \
} \
}
void copyMpdTagToMetadataChunk(MpdTag * tag, MetadataChunk * chunk)
{
int pos = 0;
int slen;
int i;
initMetadataChunk(chunk);
if (!tag)
return;
for (i = 0; i < tag->numOfItems; i++) {
switch (tag->items[i].type) {
case TAG_ITEM_NAME:
copyStringToChunk(tag->items[i].value, chunk->name);
break;
case TAG_ITEM_TITLE:
copyStringToChunk(tag->items[i].value, chunk->title);
break;
case TAG_ITEM_ARTIST:
copyStringToChunk(tag->items[i].value, chunk->artist);
break;
case TAG_ITEM_ALBUM:
copyStringToChunk(tag->items[i].value, chunk->album);
break;
}
}
}
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