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-rw-r--r--src/SongPointer.hxx63
-rw-r--r--src/playlist/AsxPlaylistPlugin.cxx25
-rw-r--r--src/playlist/DespotifyPlaylistPlugin.cxx21
-rw-r--r--src/playlist/MemoryPlaylistProvider.cxx27
-rw-r--r--src/playlist/MemoryPlaylistProvider.hxx8
-rw-r--r--src/playlist/PlsPlaylistPlugin.cxx18
-rw-r--r--src/playlist/RssPlaylistPlugin.cxx24
-rw-r--r--src/playlist/SoundCloudPlaylistPlugin.cxx9
-rw-r--r--src/playlist/XspfPlaylistPlugin.cxx25
9 files changed, 108 insertions, 112 deletions
diff --git a/src/SongPointer.hxx b/src/SongPointer.hxx
new file mode 100644
index 000000000..c80f96f4d
--- /dev/null
+++ b/src/SongPointer.hxx
@@ -0,0 +1,63 @@
+/*
+ * 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.
+ */
+
+#ifndef MPD_SONG_POINTER_HXX
+#define MPD_SONG_POINTER_HXX
+
+#include "song.h"
+
+#include <utility>
+
+class SongPointer {
+ struct song *song;
+
+public:
+ explicit SongPointer(struct song *_song)
+ :song(_song) {}
+
+ SongPointer(const SongPointer &) = delete;
+
+ SongPointer(SongPointer &&other):song(other.song) {
+ other.song = nullptr;
+ }
+
+ ~SongPointer() {
+ if (song != nullptr)
+ song_free(song);
+ }
+
+ SongPointer &operator=(const SongPointer &) = delete;
+
+ SongPointer &operator=(SongPointer &&other) {
+ std::swap(song, other.song);
+ return *this;
+ }
+
+ operator const struct song *() const {
+ return song;
+ }
+
+ struct song *Steal() {
+ auto result = song;
+ song = nullptr;
+ return result;
+ }
+};
+
+#endif
diff --git a/src/playlist/AsxPlaylistPlugin.cxx b/src/playlist/AsxPlaylistPlugin.cxx
index db571417c..25319ca6b 100644
--- a/src/playlist/AsxPlaylistPlugin.cxx
+++ b/src/playlist/AsxPlaylistPlugin.cxx
@@ -40,7 +40,7 @@ struct AsxParser {
* The list of songs (in reverse order because that's faster
* while adding).
*/
- GSList *songs;
+ std::forward_list<SongPointer> songs;
/**
* The current position in the XML file.
@@ -63,8 +63,7 @@ struct AsxParser {
struct song *song;
AsxParser()
- :songs(nullptr),
- state(ROOT) {}
+ :state(ROOT) {}
};
@@ -144,8 +143,7 @@ asx_end_element(G_GNUC_UNUSED GMarkupParseContext *context,
case AsxParser::ENTRY:
if (g_ascii_strcasecmp(element_name, "entry") == 0) {
if (strcmp(parser->song->uri, "asx:") != 0)
- parser->songs = g_slist_prepend(parser->songs,
- parser->song);
+ parser->songs.emplace_front(parser->song);
else
song_free(parser->song);
@@ -189,23 +187,12 @@ static const GMarkupParser asx_parser = {
};
static void
-song_free_callback(gpointer data, G_GNUC_UNUSED gpointer user_data)
-{
- struct song *song = (struct song *)data;
-
- song_free(song);
-}
-
-static void
asx_parser_destroy(gpointer data)
{
AsxParser *parser = (AsxParser *)data;
if (parser->state >= AsxParser::ENTRY)
song_free(parser->song);
-
- g_slist_foreach(parser->songs, song_free_callback, NULL);
- g_slist_free(parser->songs);
}
/*
@@ -261,11 +248,9 @@ asx_open_stream(struct input_stream *is)
return NULL;
}
- /* create a #AsxPlaylist object from the parsed song list */
-
+ parser.songs.reverse();
MemoryPlaylistProvider *playlist =
- new MemoryPlaylistProvider(g_slist_reverse(parser.songs));
- parser.songs = NULL;
+ new MemoryPlaylistProvider(std::move(parser.songs));
g_markup_parse_context_free(context);
diff --git a/src/playlist/DespotifyPlaylistPlugin.cxx b/src/playlist/DespotifyPlaylistPlugin.cxx
index 09c1aa899..17bcf0f6c 100644
--- a/src/playlist/DespotifyPlaylistPlugin.cxx
+++ b/src/playlist/DespotifyPlaylistPlugin.cxx
@@ -35,7 +35,8 @@ extern "C" {
struct despotify_playlist {
struct despotify_session *session;
- GSList *list;
+
+ std::forward_list<SongPointer> songs;
};
static void
@@ -59,7 +60,7 @@ add_song(struct despotify_playlist *ctx, struct ds_track *track)
song = song_remote_new(uri);
song->tag = mpd_despotify_tag_from_track(track);
- ctx->list = g_slist_prepend(ctx->list, song);
+ ctx->songs.emplace_front(song);
}
static bool
@@ -115,17 +116,16 @@ despotify_playlist_open_uri(const char *url,
session = mpd_despotify_get_session();
if (!session)
- goto clean_none;
+ return nullptr;
/* 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;
+ return nullptr;
}
struct despotify_playlist ctx;
- ctx.list = nullptr;
ctx.session = session;
switch (link->type)
@@ -142,15 +142,10 @@ despotify_playlist_open_uri(const char *url,
}
despotify_free_link(link);
if (!parse_result)
- goto clean_playlist;
-
- return new MemoryPlaylistProvider(g_slist_reverse(ctx.list));
-
-clean_playlist:
- g_slist_free(ctx.list);
-clean_none:
+ return nullptr;
- return nullptr;
+ ctx.songs.reverse();
+ return new MemoryPlaylistProvider(std::move(ctx.songs));
}
static const char *const despotify_schemes[] = {
diff --git a/src/playlist/MemoryPlaylistProvider.cxx b/src/playlist/MemoryPlaylistProvider.cxx
index b643ec50c..4fe3d6cef 100644
--- a/src/playlist/MemoryPlaylistProvider.cxx
+++ b/src/playlist/MemoryPlaylistProvider.cxx
@@ -52,33 +52,18 @@ static constexpr struct playlist_plugin memory_playlist_plugin = {
nullptr,
};
-MemoryPlaylistProvider::MemoryPlaylistProvider(GSList *_songs)
- :songs(_songs) {
+MemoryPlaylistProvider::MemoryPlaylistProvider(std::forward_list<SongPointer> &&_songs)
+ :songs(std::move(_songs)) {
playlist_provider_init(this, &memory_playlist_plugin);
}
-static void
-song_free_callback(gpointer data, G_GNUC_UNUSED gpointer user_data)
-{
- struct song *song = (struct song *)data;
-
- song_free(song);
-}
-
-MemoryPlaylistProvider::~MemoryPlaylistProvider()
-{
- g_slist_foreach(songs, song_free_callback, NULL);
- g_slist_free(songs);
-}
-
inline song *
MemoryPlaylistProvider::Read()
{
- if (songs == nullptr)
- return nullptr;
+ if (songs.empty())
+ return NULL;
- song *result = (song *)songs->data;
- songs = g_slist_remove(songs, result);
+ auto result = songs.front().Steal();
+ songs.pop_front();
return result;
}
-
diff --git a/src/playlist/MemoryPlaylistProvider.hxx b/src/playlist/MemoryPlaylistProvider.hxx
index ad0a74d8a..246ffd10a 100644
--- a/src/playlist/MemoryPlaylistProvider.hxx
+++ b/src/playlist/MemoryPlaylistProvider.hxx
@@ -21,17 +21,17 @@
#define MPD_MEMORY_PLAYLIST_PROVIDER_HXX
#include "PlaylistPlugin.hxx"
+#include "SongPointer.hxx"
-#include <glib.h>
+#include <forward_list>
struct song;
class MemoryPlaylistProvider : public playlist_provider {
- GSList *songs;
+ std::forward_list<SongPointer> songs;
public:
- MemoryPlaylistProvider(GSList *_songs);
- ~MemoryPlaylistProvider();
+ MemoryPlaylistProvider(std::forward_list<SongPointer> &&_songs);
song *Read();
};
diff --git a/src/playlist/PlsPlaylistPlugin.cxx b/src/playlist/PlsPlaylistPlugin.cxx
index cecabc88e..3cf5f46e5 100644
--- a/src/playlist/PlsPlaylistPlugin.cxx
+++ b/src/playlist/PlsPlaylistPlugin.cxx
@@ -27,11 +27,8 @@
#include <glib.h>
-struct PlsPlaylist {
- GSList *songs;
-};
-
-static void pls_parser(GKeyFile *keyfile, PlsPlaylist *playlist)
+static void
+pls_parser(GKeyFile *keyfile, std::forward_list<SongPointer> &songs)
{
gchar *key;
gchar *value;
@@ -96,7 +93,7 @@ static void pls_parser(GKeyFile *keyfile, PlsPlaylist *playlist)
if(error) g_error_free(error);
error = NULL;
- playlist->songs = g_slist_prepend(playlist->songs, song);
+ songs.emplace_front(song);
num_entries--;
}
@@ -150,13 +147,12 @@ pls_open_stream(struct input_stream *is)
return NULL;
}
- PlsPlaylist playlist;
- playlist.songs = nullptr;
-
- pls_parser(keyfile, &playlist);
+ std::forward_list<SongPointer> songs;
+ pls_parser(keyfile, songs);
g_key_file_free(keyfile);
- return new MemoryPlaylistProvider(g_slist_reverse(playlist.songs));
+ songs.reverse();
+ return new MemoryPlaylistProvider(std::move(songs));
}
static const char *const pls_suffixes[] = {
diff --git a/src/playlist/RssPlaylistPlugin.cxx b/src/playlist/RssPlaylistPlugin.cxx
index 1c714a965..3b69202e6 100644
--- a/src/playlist/RssPlaylistPlugin.cxx
+++ b/src/playlist/RssPlaylistPlugin.cxx
@@ -40,7 +40,7 @@ struct RssParser {
* The list of songs (in reverse order because that's faster
* while adding).
*/
- GSList *songs;
+ std::forward_list<SongPointer> songs;
/**
* The current position in the XML file.
@@ -63,7 +63,7 @@ struct RssParser {
struct song *song;
RssParser()
- :songs(nullptr), state(ROOT) {}
+ :state(ROOT) {}
};
static const gchar *
@@ -140,8 +140,7 @@ rss_end_element(G_GNUC_UNUSED GMarkupParseContext *context,
case RssParser::ITEM:
if (g_ascii_strcasecmp(element_name, "item") == 0) {
if (strcmp(parser->song->uri, "rss:") != 0)
- parser->songs = g_slist_prepend(parser->songs,
- parser->song);
+ parser->songs.emplace_front(parser->song);
else
song_free(parser->song);
@@ -185,23 +184,12 @@ static const GMarkupParser rss_parser = {
};
static void
-song_free_callback(gpointer data, G_GNUC_UNUSED gpointer user_data)
-{
- struct song *song = (struct song *)data;
-
- song_free(song);
-}
-
-static void
rss_parser_destroy(gpointer data)
{
RssParser *parser = (RssParser *)data;
if (parser->state >= RssParser::ITEM)
song_free(parser->song);
-
- g_slist_foreach(parser->songs, song_free_callback, NULL);
- g_slist_free(parser->songs);
}
/*
@@ -257,11 +245,9 @@ rss_open_stream(struct input_stream *is)
return NULL;
}
- /* create a #rss_playlist object from the parsed song list */
-
+ parser.songs.reverse();
MemoryPlaylistProvider *playlist =
- new MemoryPlaylistProvider(g_slist_reverse(parser.songs));
- parser.songs = NULL;
+ new MemoryPlaylistProvider(std::move(parser.songs));
g_markup_parse_context_free(context);
diff --git a/src/playlist/SoundCloudPlaylistPlugin.cxx b/src/playlist/SoundCloudPlaylistPlugin.cxx
index b236481a0..5a258865c 100644
--- a/src/playlist/SoundCloudPlaylistPlugin.cxx
+++ b/src/playlist/SoundCloudPlaylistPlugin.cxx
@@ -101,7 +101,8 @@ struct parse_data {
long duration;
char* title;
int got_url; /* nesting level of last stream_url */
- GSList* songs;
+
+ std::forward_list<SongPointer> songs;
};
static int handle_integer(void *ctx,
@@ -215,7 +216,7 @@ static int handle_end_map(void *ctx)
tag_add_item(t, TAG_NAME, data->title);
s->tag = t;
- data->songs = g_slist_prepend(data->songs, s);
+ data->songs.emplace_front(s);
return 1;
}
@@ -370,7 +371,6 @@ soundcloud_open_uri(const char *uri, Mutex &mutex, Cond &cond)
struct parse_data data;
data.got_url = 0;
- data.songs = NULL;
data.title = NULL;
data.stream_url = NULL;
#ifdef HAVE_YAJL1
@@ -391,7 +391,8 @@ soundcloud_open_uri(const char *uri, Mutex &mutex, Cond &cond)
if (ret == -1)
return NULL;
- return new MemoryPlaylistProvider(g_slist_reverse(data.songs));
+ data.songs.reverse();
+ return new MemoryPlaylistProvider(std::move(data.songs));
}
static const char *const soundcloud_schemes[] = {
diff --git a/src/playlist/XspfPlaylistPlugin.cxx b/src/playlist/XspfPlaylistPlugin.cxx
index 38bcbdf9d..bd84d86b7 100644
--- a/src/playlist/XspfPlaylistPlugin.cxx
+++ b/src/playlist/XspfPlaylistPlugin.cxx
@@ -22,7 +22,6 @@
#include "MemoryPlaylistProvider.hxx"
#include "input_stream.h"
#include "uri.h"
-#include "song.h"
#include "tag.h"
#include <glib.h>
@@ -41,7 +40,7 @@ struct XspfParser {
* The list of songs (in reverse order because that's faster
* while adding).
*/
- GSList *songs;
+ std::forward_list<SongPointer> songs;
/**
* The current position in the XML file.
@@ -65,7 +64,7 @@ struct XspfParser {
struct song *song;
XspfParser()
- :songs(nullptr), state(ROOT) {}
+ :state(ROOT) {}
};
static void
@@ -148,8 +147,7 @@ xspf_end_element(G_GNUC_UNUSED GMarkupParseContext *context,
case XspfParser::TRACK:
if (strcmp(element_name, "track") == 0) {
if (parser->song != NULL)
- parser->songs = g_slist_prepend(parser->songs,
- parser->song);
+ parser->songs.emplace_front(parser->song);
parser->state = XspfParser::TRACKLIST;
} else
@@ -207,23 +205,12 @@ static const GMarkupParser xspf_parser = {
};
static void
-song_free_callback(gpointer data, G_GNUC_UNUSED gpointer user_data)
-{
- struct song *song = (struct song *)data;
-
- song_free(song);
-}
-
-static void
xspf_parser_destroy(gpointer data)
{
XspfParser *parser = (XspfParser *)data;
if (parser->state >= XspfParser::TRACK && parser->song != NULL)
song_free(parser->song);
-
- g_slist_foreach(parser->songs, song_free_callback, NULL);
- g_slist_free(parser->songs);
}
/*
@@ -279,11 +266,9 @@ xspf_open_stream(struct input_stream *is)
return NULL;
}
- /* create a #xspf_playlist object from the parsed song list */
-
+ parser.songs.reverse();
MemoryPlaylistProvider *playlist =
- new MemoryPlaylistProvider(g_slist_reverse(parser.songs));
- parser.songs = NULL;
+ new MemoryPlaylistProvider(std::move(parser.songs));
g_markup_parse_context_free(context);
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-28 08:52:12 +0000