diff options
Diffstat (limited to '')
-rw-r--r-- | src/playlist/xspf_playlist_plugin.c | 343 |
1 files changed, 0 insertions, 343 deletions
diff --git a/src/playlist/xspf_playlist_plugin.c b/src/playlist/xspf_playlist_plugin.c deleted file mode 100644 index 17d9040e2..000000000 --- a/src/playlist/xspf_playlist_plugin.c +++ /dev/null @@ -1,343 +0,0 @@ -/* - * Copyright (C) 2003-2011 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/xspf_playlist_plugin.h" -#include "playlist_plugin.h" -#include "input_stream.h" -#include "uri.h" -#include "song.h" -#include "tag.h" - -#include <glib.h> - -#include <assert.h> -#include <string.h> - -#undef G_LOG_DOMAIN -#define G_LOG_DOMAIN "xspf" - -/** - * This is the state object for the GLib XML parser. - */ -struct xspf_parser { - /** - * The list of songs (in reverse order because that's faster - * while adding). - */ - GSList *songs; - - /** - * The current position in the XML file. - */ - enum { - ROOT, PLAYLIST, TRACKLIST, TRACK, - LOCATION, - } state; - - /** - * The current tag within the "track" element. This is only - * valid if state==TRACK. TAG_NUM_OF_ITEM_TYPES means there - * is no (known) tag. - */ - enum tag_type tag; - - /** - * The current song. It is allocated after the "location" - * element. - */ - struct song *song; -}; - -static void -xspf_start_element(G_GNUC_UNUSED GMarkupParseContext *context, - const gchar *element_name, - G_GNUC_UNUSED const gchar **attribute_names, - G_GNUC_UNUSED const gchar **attribute_values, - gpointer user_data, G_GNUC_UNUSED GError **error) -{ - struct xspf_parser *parser = user_data; - - switch (parser->state) { - case ROOT: - if (strcmp(element_name, "playlist") == 0) - parser->state = PLAYLIST; - - break; - - case PLAYLIST: - if (strcmp(element_name, "trackList") == 0) - parser->state = TRACKLIST; - - break; - - case TRACKLIST: - if (strcmp(element_name, "track") == 0) { - parser->state = TRACK; - parser->song = NULL; - parser->tag = TAG_NUM_OF_ITEM_TYPES; - } - - break; - - case TRACK: - if (strcmp(element_name, "location") == 0) - parser->state = LOCATION; - else if (strcmp(element_name, "title") == 0) - parser->tag = TAG_TITLE; - else if (strcmp(element_name, "creator") == 0) - /* TAG_COMPOSER would be more correct - according to the XSPF spec */ - parser->tag = TAG_ARTIST; - else if (strcmp(element_name, "annotation") == 0) - parser->tag = TAG_COMMENT; - else if (strcmp(element_name, "album") == 0) - parser->tag = TAG_ALBUM; - else if (strcmp(element_name, "trackNum") == 0) - parser->tag = TAG_TRACK; - - break; - - case LOCATION: - break; - } -} - -static void -xspf_end_element(G_GNUC_UNUSED GMarkupParseContext *context, - const gchar *element_name, - gpointer user_data, G_GNUC_UNUSED GError **error) -{ - struct xspf_parser *parser = user_data; - - switch (parser->state) { - case ROOT: - break; - - case PLAYLIST: - if (strcmp(element_name, "playlist") == 0) - parser->state = ROOT; - - break; - - case TRACKLIST: - if (strcmp(element_name, "tracklist") == 0) - parser->state = PLAYLIST; - - break; - - case TRACK: - if (strcmp(element_name, "track") == 0) { - if (parser->song != NULL) - parser->songs = g_slist_prepend(parser->songs, - parser->song); - - parser->state = TRACKLIST; - } else - parser->tag = TAG_NUM_OF_ITEM_TYPES; - - break; - - case LOCATION: - parser->state = TRACK; - break; - } -} - -static void -xspf_text(G_GNUC_UNUSED GMarkupParseContext *context, - const gchar *text, gsize text_len, - gpointer user_data, G_GNUC_UNUSED GError **error) -{ - struct xspf_parser *parser = user_data; - - switch (parser->state) { - case ROOT: - case PLAYLIST: - case TRACKLIST: - break; - - case TRACK: - if (parser->song != NULL && - parser->tag != TAG_NUM_OF_ITEM_TYPES) { - if (parser->song->tag == NULL) - parser->song->tag = tag_new(); - tag_add_item_n(parser->song->tag, parser->tag, - text, text_len); - } - - break; - - case LOCATION: - if (parser->song == NULL) { - char *uri = g_strndup(text, text_len); - parser->song = song_remote_new(uri); - g_free(uri); - } - - break; - } -} - -static const GMarkupParser xspf_parser = { - .start_element = xspf_start_element, - .end_element = xspf_end_element, - .text = xspf_text, -}; - -static void -song_free_callback(gpointer data, G_GNUC_UNUSED gpointer user_data) -{ - struct song *song = data; - - song_free(song); -} - -static void -xspf_parser_destroy(gpointer data) -{ - struct xspf_parser *parser = data; - - if (parser->state >= TRACK && parser->song != NULL) - song_free(parser->song); - - g_slist_foreach(parser->songs, song_free_callback, NULL); - g_slist_free(parser->songs); -} - -/* - * The playlist object - * - */ - -struct xspf_playlist { - struct playlist_provider base; - - GSList *songs; -}; - -static struct playlist_provider * -xspf_open_stream(struct input_stream *is) -{ - struct xspf_parser parser = { - .songs = NULL, - .state = ROOT, - }; - struct xspf_playlist *playlist; - GMarkupParseContext *context; - char buffer[1024]; - size_t nbytes; - bool success; - GError *error = NULL; - - /* parse the XSPF XML file */ - - context = g_markup_parse_context_new(&xspf_parser, - G_MARKUP_TREAT_CDATA_AS_TEXT, - &parser, xspf_parser_destroy); - - while (true) { - nbytes = input_stream_lock_read(is, buffer, sizeof(buffer), - &error); - if (nbytes == 0) { - if (error != NULL) { - g_markup_parse_context_free(context); - g_warning("%s", error->message); - g_error_free(error); - return NULL; - } - - break; - } - - success = g_markup_parse_context_parse(context, buffer, nbytes, - &error); - if (!success) { - g_warning("XML parser failed: %s", error->message); - g_error_free(error); - g_markup_parse_context_free(context); - return NULL; - } - } - - success = g_markup_parse_context_end_parse(context, &error); - if (!success) { - g_warning("XML parser failed: %s", error->message); - g_error_free(error); - g_markup_parse_context_free(context); - return NULL; - } - - /* create a #xspf_playlist object from the parsed song list */ - - playlist = g_new(struct xspf_playlist, 1); - playlist_provider_init(&playlist->base, &xspf_playlist_plugin); - playlist->songs = g_slist_reverse(parser.songs); - parser.songs = NULL; - - g_markup_parse_context_free(context); - - return &playlist->base; -} - -static void -xspf_close(struct playlist_provider *_playlist) -{ - struct xspf_playlist *playlist = (struct xspf_playlist *)_playlist; - - g_slist_foreach(playlist->songs, song_free_callback, NULL); - g_slist_free(playlist->songs); - g_free(playlist); -} - -static struct song * -xspf_read(struct playlist_provider *_playlist) -{ - struct xspf_playlist *playlist = (struct xspf_playlist *)_playlist; - struct song *song; - - if (playlist->songs == NULL) - return NULL; - - song = playlist->songs->data; - playlist->songs = g_slist_remove(playlist->songs, song); - - return song; -} - -static const char *const xspf_suffixes[] = { - "xspf", - NULL -}; - -static const char *const xspf_mime_types[] = { - "application/xspf+xml", - NULL -}; - -const struct playlist_plugin xspf_playlist_plugin = { - .name = "xspf", - - .open_stream = xspf_open_stream, - .close = xspf_close, - .read = xspf_read, - - .suffixes = xspf_suffixes, - .mime_types = xspf_mime_types, -}; |