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-rw-r--r--src/SongSave.cxx136
1 files changed, 136 insertions, 0 deletions
diff --git a/src/SongSave.cxx b/src/SongSave.cxx
new file mode 100644
index 000000000..21d073b86
--- /dev/null
+++ b/src/SongSave.cxx
@@ -0,0 +1,136 @@
+/*
+ * Copyright (C) 2003-2013 The Music Player Daemon Project
+ * 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.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+ */
+
+#include "config.h"
+#include "SongSave.hxx"
+#include "song.h"
+#include "TagSave.hxx"
+#include "directory.h"
+
+extern "C" {
+#include "tag.h"
+#include "text_file.h"
+#include "string_util.h"
+}
+
+#include <glib.h>
+
+#include <stdlib.h>
+
+#undef G_LOG_DOMAIN
+#define G_LOG_DOMAIN "song"
+
+#define SONG_MTIME "mtime"
+#define SONG_END "song_end"
+
+static GQuark
+song_save_quark(void)
+{
+ return g_quark_from_static_string("song_save");
+}
+
+void
+song_save(FILE *fp, const struct song *song)
+{
+ fprintf(fp, SONG_BEGIN "%s\n", song->uri);
+
+ if (song->end_ms > 0)
+ fprintf(fp, "Range: %u-%u\n", song->start_ms, song->end_ms);
+ else if (song->start_ms > 0)
+ fprintf(fp, "Range: %u-\n", song->start_ms);
+
+ if (song->tag != NULL)
+ tag_save(fp, song->tag);
+
+ fprintf(fp, SONG_MTIME ": %li\n", (long)song->mtime);
+ fprintf(fp, SONG_END "\n");
+}
+
+struct song *
+song_load(FILE *fp, struct directory *parent, const char *uri,
+ GString *buffer, GError **error_r)
+{
+ struct song *song = parent != NULL
+ ? song_file_new(uri, parent)
+ : song_remote_new(uri);
+ char *line, *colon;
+ enum tag_type type;
+ const char *value;
+
+ while ((line = read_text_line(fp, buffer)) != NULL &&
+ strcmp(line, SONG_END) != 0) {
+ colon = strchr(line, ':');
+ if (colon == NULL || colon == line) {
+ if (song->tag != NULL)
+ tag_end_add(song->tag);
+ song_free(song);
+
+ g_set_error(error_r, song_save_quark(), 0,
+ "unknown line in db: %s", line);
+ return NULL;
+ }
+
+ *colon++ = 0;
+ value = strchug_fast_c(colon);
+
+ if ((type = tag_name_parse(line)) != TAG_NUM_OF_ITEM_TYPES) {
+ if (!song->tag) {
+ song->tag = tag_new();
+ tag_begin_add(song->tag);
+ }
+
+ tag_add_item(song->tag, type, value);
+ } else if (strcmp(line, "Time") == 0) {
+ if (!song->tag) {
+ song->tag = tag_new();
+ tag_begin_add(song->tag);
+ }
+
+ song->tag->time = atoi(value);
+ } else if (strcmp(line, "Playlist") == 0) {
+ if (!song->tag) {
+ song->tag = tag_new();
+ tag_begin_add(song->tag);
+ }
+
+ song->tag->has_playlist = strcmp(value, "yes") == 0;
+ } else if (strcmp(line, SONG_MTIME) == 0) {
+ song->mtime = atoi(value);
+ } else if (strcmp(line, "Range") == 0) {
+ char *endptr;
+
+ song->start_ms = strtoul(value, &endptr, 10);
+ if (*endptr == '-')
+ song->end_ms = strtoul(endptr + 1, NULL, 10);
+ } else {
+ if (song->tag != NULL)
+ tag_end_add(song->tag);
+ song_free(song);
+
+ g_set_error(error_r, song_save_quark(), 0,
+ "unknown line in db: %s", line);
+ return NULL;
+ }
+ }
+
+ if (song->tag != NULL)
+ tag_end_add(song->tag);
+
+ return song;
+}