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-rw-r--r--src/playlist/m3u_playlist_plugin.c89
-rw-r--r--src/playlist/m3u_playlist_plugin.h25
-rw-r--r--src/playlist_list.c146
-rw-r--r--src/playlist_list.h54
-rw-r--r--src/playlist_plugin.h137
5 files changed, 451 insertions, 0 deletions
diff --git a/src/playlist/m3u_playlist_plugin.c b/src/playlist/m3u_playlist_plugin.c
new file mode 100644
index 000000000..1eb2680a9
--- /dev/null
+++ b/src/playlist/m3u_playlist_plugin.c
@@ -0,0 +1,89 @@
+/*
+ * Copyright (C) 2003-2009 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 "playlist/m3u_playlist_plugin.h"
+#include "playlist_plugin.h"
+#include "text_input_stream.h"
+#include "uri.h"
+#include "song.h"
+
+#include <glib.h>
+
+struct m3u_playlist {
+ struct playlist_provider base;
+
+ struct text_input_stream *tis;
+};
+
+static struct playlist_provider *
+m3u_open_stream(struct input_stream *is)
+{
+ struct m3u_playlist *playlist = g_new(struct m3u_playlist, 1);
+
+ playlist_provider_init(&playlist->base, &m3u_playlist_plugin);
+ playlist->tis = text_input_stream_new(is);
+
+ return &playlist->base;
+}
+
+static void
+m3u_close(struct playlist_provider *_playlist)
+{
+ struct m3u_playlist *playlist = (struct m3u_playlist *)_playlist;
+
+ text_input_stream_free(playlist->tis);
+ g_free(playlist);
+}
+
+static struct song *
+m3u_read(struct playlist_provider *_playlist)
+{
+ struct m3u_playlist *playlist = (struct m3u_playlist *)_playlist;
+ const char *line;
+
+ do {
+ line = text_input_stream_read(playlist->tis);
+ if (line == NULL)
+ return NULL;
+
+ while (*line != 0 && g_ascii_isspace(*line))
+ ++line;
+ } while (line[0] == '#' || !uri_has_scheme(line));
+
+ return song_remote_new(line);
+}
+
+static const char *const m3u_suffixes[] = {
+ "m3u",
+ NULL
+};
+
+static const char *const m3u_mime_types[] = {
+ "audio/x-mpegurl",
+ NULL
+};
+
+const struct playlist_plugin m3u_playlist_plugin = {
+ .open_stream = m3u_open_stream,
+ .close = m3u_close,
+ .read = m3u_read,
+
+ .suffixes = m3u_suffixes,
+ .mime_types = m3u_mime_types,
+};
diff --git a/src/playlist/m3u_playlist_plugin.h b/src/playlist/m3u_playlist_plugin.h
new file mode 100644
index 000000000..3cb4b8874
--- /dev/null
+++ b/src/playlist/m3u_playlist_plugin.h
@@ -0,0 +1,25 @@
+/*
+ * Copyright (C) 2003-2009 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_M3U_PLAYLIST_PLUGIN_H
+#define MPD_PLAYLIST_M3U_PLAYLIST_PLUGIN_H
+
+extern const struct playlist_plugin m3u_playlist_plugin;
+
+#endif
diff --git a/src/playlist_list.c b/src/playlist_list.c
new file mode 100644
index 000000000..c9cd1304c
--- /dev/null
+++ b/src/playlist_list.c
@@ -0,0 +1,146 @@
+/*
+ * Copyright (C) 2003-2009 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 "playlist_list.h"
+#include "playlist_plugin.h"
+#include "playlist/m3u_playlist_plugin.h"
+#include "input_stream.h"
+#include "uri.h"
+#include "utils.h"
+
+#include <glib.h>
+
+#include <assert.h>
+
+static const struct playlist_plugin *const playlist_plugins[] = {
+ &m3u_playlist_plugin,
+ NULL
+};
+
+/** which plugins have been initialized successfully? */
+static bool playlist_plugins_enabled[G_N_ELEMENTS(playlist_plugins)];
+
+void
+playlist_list_global_init(void)
+{
+ for (unsigned i = 0; playlist_plugins[i] != NULL; ++i)
+ playlist_plugins_enabled[i] =
+ playlist_plugin_init(playlist_plugins[i], NULL);
+}
+
+void
+playlist_list_global_finish(void)
+{
+ for (unsigned i = 0; playlist_plugins[i] != NULL; ++i)
+ if (playlist_plugins_enabled[i])
+ playlist_plugin_finish(playlist_plugins[i]);
+}
+
+struct playlist_provider *
+playlist_list_open_uri(const char *uri)
+{
+ char *scheme;
+ struct playlist_provider *playlist;
+
+ assert(uri != NULL);
+
+ scheme = g_uri_parse_scheme(uri);
+ if (scheme == NULL)
+ return NULL;
+
+ for (unsigned i = 0; playlist_plugins[i] != NULL; ++i) {
+ const struct playlist_plugin *plugin = playlist_plugins[i];
+
+ if (playlist_plugins_enabled[i] &&
+ stringFoundInStringArray(plugin->schemes, scheme)) {
+ playlist = playlist_plugin_open_uri(plugin, uri);
+ if (playlist != NULL)
+ break;
+ }
+ }
+
+ g_free(scheme);
+ return playlist;
+}
+
+static struct playlist_provider *
+playlist_list_open_stream_mime(struct input_stream *is)
+{
+ struct playlist_provider *playlist;
+
+ assert(is != NULL);
+ assert(is->mime != NULL);
+
+ for (unsigned i = 0; playlist_plugins[i] != NULL; ++i) {
+ const struct playlist_plugin *plugin = playlist_plugins[i];
+
+ if (playlist_plugins_enabled[i] &&
+ stringFoundInStringArray(plugin->mime_types, is->mime)) {
+ playlist = playlist_plugin_open_stream(plugin, is);
+ if (playlist != NULL)
+ return playlist;
+ }
+ }
+
+ return NULL;
+}
+
+static struct playlist_provider *
+playlist_list_open_stream_suffix(struct input_stream *is, const char *suffix)
+{
+ struct playlist_provider *playlist;
+
+ assert(is != NULL);
+ assert(suffix != NULL);
+
+ for (unsigned i = 0; playlist_plugins[i] != NULL; ++i) {
+ const struct playlist_plugin *plugin = playlist_plugins[i];
+
+ if (playlist_plugins_enabled[i] &&
+ stringFoundInStringArray(plugin->suffixes, suffix)) {
+ playlist = playlist_plugin_open_stream(plugin, is);
+ if (playlist != NULL)
+ return playlist;
+ }
+ }
+
+ return NULL;
+}
+
+struct playlist_provider *
+playlist_list_open_stream(struct input_stream *is, const char *uri)
+{
+ const char *suffix;
+ struct playlist_provider *playlist;
+
+ if (is->mime != NULL) {
+ playlist = playlist_list_open_stream_mime(is);
+ if (playlist != NULL)
+ return playlist;
+ }
+
+ suffix = uri != NULL ? uri_get_suffix(uri) : NULL;
+ if (suffix != NULL) {
+ playlist = playlist_list_open_stream_suffix(is, suffix);
+ if (playlist != NULL)
+ return playlist;
+ }
+
+ return NULL;
+}
diff --git a/src/playlist_list.h b/src/playlist_list.h
new file mode 100644
index 000000000..b5ac52a6f
--- /dev/null
+++ b/src/playlist_list.h
@@ -0,0 +1,54 @@
+/*
+ * Copyright (C) 2003-2009 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_LIST_H
+#define MPD_PLAYLIST_LIST_H
+
+struct playlist_provider;
+struct input_stream;
+
+/**
+ * Initializes all playlist plugins.
+ */
+void
+playlist_list_global_init(void);
+
+/**
+ * Deinitializes all playlist plugins.
+ */
+void
+playlist_list_global_finish(void);
+
+/**
+ * Opens a playlist by its URI.
+ */
+struct playlist_provider *
+playlist_list_open_uri(const char *uri);
+
+/**
+ * Opens a playlist from an input stream.
+ *
+ * @param is an #input_stream object which is open and ready
+ * @param uri optional URI which was used to open the stream; may be
+ * used to select the appropriate playlist plugin
+ */
+struct playlist_provider *
+playlist_list_open_stream(struct input_stream *is, const char *uri);
+
+#endif
diff --git a/src/playlist_plugin.h b/src/playlist_plugin.h
new file mode 100644
index 000000000..3515af109
--- /dev/null
+++ b/src/playlist_plugin.h
@@ -0,0 +1,137 @@
+/*
+ * Copyright (C) 2003-2009 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_PLUGIN_H
+#define MPD_PLAYLIST_PLUGIN_H
+
+#include <stdbool.h>
+#include <stddef.h>
+
+struct config_param;
+struct input_stream;
+struct tag;
+
+/**
+ * An object which provides the contents of a playlist.
+ */
+struct playlist_provider {
+ const struct playlist_plugin *plugin;
+};
+
+static inline void
+playlist_provider_init(struct playlist_provider *playlist,
+ const struct playlist_plugin *plugin)
+{
+ playlist->plugin = plugin;
+}
+
+struct playlist_plugin {
+ const char *name;
+
+ /**
+ * Initialize the plugin. Optional method.
+ *
+ * @param param a configuration block for this plugin, or NULL
+ * if none is configured
+ * @return true if the plugin was initialized successfully,
+ * false if the plugin is not available
+ */
+ bool (*init)(const struct config_param *param);
+
+ /**
+ * Deinitialize a plugin which was initialized successfully.
+ * Optional method.
+ */
+ void (*finish)(void);
+
+ /**
+ * Opens the playlist on the specified URI. This URI has
+ * either matched one of the schemes or one of the suffixes.
+ */
+ struct playlist_provider *(*open_uri)(const char *uri);
+
+ /**
+ * Opens the playlist in the specified input stream. It has
+ * either matched one of the suffixes or one of the MIME
+ * types.
+ */
+ struct playlist_provider *(*open_stream)(struct input_stream *is);
+
+ void (*close)(struct playlist_provider *playlist);
+
+ struct song *(*read)(struct playlist_provider *playlist);
+
+ const char *const*schemes;
+ const char *const*suffixes;
+ const char *const*mime_types;
+};
+
+/**
+ * Initialize a plugin.
+ *
+ * @param param a configuration block for this plugin, or NULL if none
+ * is configured
+ * @return true if the plugin was initialized successfully, false if
+ * the plugin is not available
+ */
+static inline bool
+playlist_plugin_init(const struct playlist_plugin *plugin,
+ const struct config_param *param)
+{
+ return plugin->init != NULL
+ ? plugin->init(param)
+ : true;
+}
+
+/**
+ * Deinitialize a plugin which was initialized successfully.
+ */
+static inline void
+playlist_plugin_finish(const struct playlist_plugin *plugin)
+{
+ if (plugin->finish != NULL)
+ plugin->finish();
+}
+
+static inline struct playlist_provider *
+playlist_plugin_open_uri(const struct playlist_plugin *plugin, const char *uri)
+{
+ return plugin->open_uri(uri);
+}
+
+static inline struct playlist_provider *
+playlist_plugin_open_stream(const struct playlist_plugin *plugin,
+ struct input_stream *is)
+{
+ return plugin->open_stream(is);
+}
+
+static inline void
+playlist_plugin_close(struct playlist_provider *playlist)
+{
+ playlist->plugin->close(playlist);
+}
+
+static inline struct song *
+playlist_plugin_read(struct playlist_provider *playlist)
+{
+ return playlist->plugin->read(playlist);
+}
+
+#endif