1 files changed, 94 insertions, 0 deletions
diff --git a/trunk/src/metadataChunk.c b/trunk/src/metadataChunk.c
new file mode 100644
index 000000000..bc5118fd0
--- /dev/null
+++ b/trunk/src/metadataChunk.c
@@ -0,0 +1,94 @@
+/* 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;
+		}
+	}
+}