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authorMax Kellermann <max@duempel.org>2010-06-25 21:45:04 +0200
committerMax Kellermann <max@duempel.org>2010-06-25 22:43:52 +0200
commit82ee278f539d51a26e5bf4796650d30821ccec58 (patch)
tree059a202ffcece3e06e68fdf7c7425e7c08fe957f /src
parentc27fc26ecd7312d6a1678990838d4c457986e161 (diff)
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playlist_any: new library to simplify opening playlist files
The new function playlist_open_any() combines playlist_mapper_open(), playlist_list_open_uri() and playlist_list_open_stream(), providing an easy API for all of them.
Diffstat (limited to 'src')
-rw-r--r--src/playlist_any.c68
-rw-r--r--src/playlist_any.h40
2 files changed, 108 insertions, 0 deletions
diff --git a/src/playlist_any.c b/src/playlist_any.c
new file mode 100644
index 000000000..39e21b178
--- /dev/null
+++ b/src/playlist_any.c
@@ -0,0 +1,68 @@
+/*
+ * Copyright (C) 2003-2010 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 "playlist_any.h"
+#include "playlist_list.h"
+#include "playlist_mapper.h"
+#include "uri.h"
+#include "input_stream.h"
+
+#include <assert.h>
+
+static struct playlist_provider *
+playlist_open_remote(const char *uri, struct input_stream **is_r)
+{
+ assert(uri_has_scheme(uri));
+
+ struct playlist_provider *playlist = playlist_list_open_uri(uri);
+ if (playlist != NULL) {
+ *is_r = NULL;
+ return playlist;
+ }
+
+ GError *error = NULL;
+ struct input_stream *is = input_stream_open(uri, &error);
+ if (is == NULL) {
+ if (error != NULL) {
+ g_warning("Failed to open %s: %s",
+ uri, error->message);
+ g_error_free(error);
+ }
+
+ return NULL;
+ }
+
+ playlist = playlist_list_open_stream(is, uri);
+ if (playlist == NULL) {
+ input_stream_close(is);
+ return NULL;
+ }
+
+ *is_r = is;
+ return playlist;
+}
+
+struct playlist_provider *
+playlist_open_any(const char *uri, struct input_stream **is_r)
+{
+ return uri_has_scheme(uri)
+ ? playlist_open_remote(uri, is_r)
+ : playlist_mapper_open(uri, is_r);
+}
diff --git a/src/playlist_any.h b/src/playlist_any.h
new file mode 100644
index 000000000..6fed97d15
--- /dev/null
+++ b/src/playlist_any.h
@@ -0,0 +1,40 @@
+/*
+ * Copyright (C) 2003-2010 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.
+ */
+
+#ifndef MPD_PLAYLIST_ANY_H
+#define MPD_PLAYLIST_ANY_H
+
+#include <stdbool.h>
+
+struct playlist_provider;
+struct input_stream;
+
+/**
+ * Opens a playlist from the specified URI, which can be either an
+ * absolute remote URI (with a scheme) or a relative path to the
+ * music orplaylist directory.
+ *
+ * @param is_r on success, an input_stream object may be returned
+ * here, which must be closed after the playlist_provider object is
+ * freed
+ */
+struct playlist_provider *
+playlist_open_any(const char *uri, struct input_stream **is_r);
+
+#endif