From 9ec069104f82184fbdc33bb82ead393441a41728 Mon Sep 17 00:00:00 2001 From: Max Kellermann Date: Mon, 21 Jan 2013 18:24:26 +0100 Subject: input,playlist/despotify: convert to C++ --- src/playlist/DespotifyPlaylistPlugin.cxx | 223 +++++++++++++++++++++++++++++++ 1 file changed, 223 insertions(+) create mode 100644 src/playlist/DespotifyPlaylistPlugin.cxx (limited to 'src/playlist/DespotifyPlaylistPlugin.cxx') diff --git a/src/playlist/DespotifyPlaylistPlugin.cxx b/src/playlist/DespotifyPlaylistPlugin.cxx new file mode 100644 index 000000000..049c9499c --- /dev/null +++ b/src/playlist/DespotifyPlaylistPlugin.cxx @@ -0,0 +1,223 @@ +/* + * Copyright (C) 2011-2013 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 "DespotifyPlaylistPlugin.hxx" +#include "DespotifyUtils.hxx" +#include "playlist_plugin.h" +#include "playlist_list.h" +#include "conf.h" +#include "uri.h" +#include "tag.h" +#include "song.h" +#include "input_stream.h" + +extern "C" { +#include +} + +#include + +#include +#include +#include + +struct despotify_playlist { + struct playlist_provider base; + + struct despotify_session *session; + GSList *list; +}; + +static void +add_song(struct despotify_playlist *ctx, struct ds_track *track) +{ + const char *dsp_scheme = despotify_playlist_plugin.schemes[0]; + struct song *song; + char uri[128]; + char *ds_uri; + + /* Create a spt://... URI for MPD */ + g_snprintf(uri, sizeof(uri), "%s://", dsp_scheme); + ds_uri = uri + strlen(dsp_scheme) + 3; + + if (despotify_track_to_uri(track, ds_uri) != ds_uri) { + /* Should never really fail, but let's be sure */ + g_debug("Can't add track %s\n", track->title); + return; + } + + song = song_remote_new(uri); + song->tag = mpd_despotify_tag_from_track(track); + + ctx->list = g_slist_prepend(ctx->list, song); +} + +static bool +parse_track(struct despotify_playlist *ctx, + struct ds_link *link) +{ + struct ds_track *track; + + track = despotify_link_get_track(ctx->session, link); + if (!track) + return false; + add_song(ctx, track); + + return true; +} + +static bool +parse_playlist(struct despotify_playlist *ctx, + struct ds_link *link) +{ + struct ds_playlist *playlist; + struct ds_track *track; + + playlist = despotify_link_get_playlist(ctx->session, link); + if (!playlist) + return false; + + for (track = playlist->tracks; track; track = track->next) + add_song(ctx, track); + + return true; +} + +static bool +despotify_playlist_init(G_GNUC_UNUSED const struct config_param *param) +{ + return true; +} + +static void +despotify_playlist_finish(void) +{ +} + + +static struct playlist_provider * +despotify_playlist_open_uri(const char *url, G_GNUC_UNUSED GMutex *mutex, + G_GNUC_UNUSED GCond *cond) +{ + struct despotify_playlist *ctx; + struct despotify_session *session; + struct ds_link *link; + bool parse_result; + + session = mpd_despotify_get_session(); + if (!session) + goto clean_none; + + /* Get link without spt:// */ + link = despotify_link_from_uri(url + strlen(despotify_playlist_plugin.schemes[0]) + 3); + if (!link) { + g_debug("Can't find %s\n", url); + goto clean_none; + } + + ctx = g_new(struct despotify_playlist, 1); + + ctx->list = nullptr; + ctx->session = session; + playlist_provider_init(&ctx->base, &despotify_playlist_plugin); + + switch (link->type) + { + case LINK_TYPE_TRACK: + parse_result = parse_track(ctx, link); + break; + case LINK_TYPE_PLAYLIST: + parse_result = parse_playlist(ctx, link); + break; + default: + parse_result = false; + break; + } + despotify_free_link(link); + if (!parse_result) + goto clean_playlist; + + ctx->list = g_slist_reverse(ctx->list); + + return &ctx->base; + +clean_playlist: + g_slist_free(ctx->list); +clean_none: + + return nullptr; +} + +static void +track_free_callback(gpointer data, G_GNUC_UNUSED gpointer user_data) +{ + struct song *song = (struct song *)data; + + song_free(song); +} + +static void +despotify_playlist_close(struct playlist_provider *_playlist) +{ + struct despotify_playlist *ctx = (struct despotify_playlist *)_playlist; + + g_slist_foreach(ctx->list, track_free_callback, nullptr); + g_slist_free(ctx->list); + + g_free(ctx); +} + + +static struct song * +despotify_playlist_read(struct playlist_provider *_playlist) +{ + struct despotify_playlist *ctx = (struct despotify_playlist *)_playlist; + + if (!ctx->list) + return nullptr; + + /* Remove the current track */ + song *out = (song *)ctx->list->data; + ctx->list = g_slist_remove(ctx->list, out); + + return out; +} + + +static const char *const despotify_schemes[] = { + "spt", + nullptr +}; + +const struct playlist_plugin despotify_playlist_plugin = { + "despotify", + + despotify_playlist_init, + despotify_playlist_finish, + + despotify_playlist_open_uri, + nullptr, + despotify_playlist_close, + despotify_playlist_read, + + despotify_schemes, + nullptr, + nullptr, +}; -- cgit v1.2.3