playlist/*: move to playlist/plugins/

1 files changed, 163 insertions, 0 deletions

diff --git a/src/playlist/plugins/PlsPlaylistPlugin.cxx b/src/playlist/plugins/PlsPlaylistPlugin.cxx
new file mode 100644
index 000000000..0abd7172b
--- /dev/null
+++ b/src/playlist/plugins/PlsPlaylistPlugin.cxx
@@ -0,0 +1,163 @@
+/*
+ * Copyright (C) 2003-2014 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 "PlsPlaylistPlugin.hxx"
+#include "../PlaylistPlugin.hxx"
+#include "../MemorySongEnumerator.hxx"
+#include "InputStream.hxx"
+#include "DetachedSong.hxx"
+#include "tag/TagBuilder.hxx"
+#include "util/Error.hxx"
+#include "util/Domain.hxx"
+#include "Log.hxx"
+
+#include <glib.h>
+
+#include <string>
+
+#include <stdio.h>
+
+static constexpr Domain pls_domain("pls");
+
+static void
+pls_parser(GKeyFile *keyfile, std::forward_list<DetachedSong> &songs)
+{
+	gchar *value;
+	GError *error = nullptr;
+	int num_entries = g_key_file_get_integer(keyfile, "playlist",
+						 "NumberOfEntries", &error);
+	if (error) {
+		FormatError(pls_domain,
+			    "Invalid PLS file: '%s'", error->message);
+		g_error_free(error);
+		error = nullptr;
+
+		/* Hack to work around shoutcast failure to comform to spec */
+		num_entries = g_key_file_get_integer(keyfile, "playlist",
+						     "numberofentries", &error);
+		if (error) {
+			g_error_free(error);
+			error = nullptr;
+		}
+	}
+
+	for (; num_entries > 0; --num_entries) {
+		char key[64];
+		sprintf(key, "File%u", num_entries);
+		char *uri = g_key_file_get_string(keyfile, "playlist", key,
+						  &error);
+		if(error) {
+			FormatError(pls_domain, "Invalid PLS entry %s: '%s'",
+				    key, error->message);
+			g_error_free(error);
+			return;
+		}
+
+		TagBuilder tag;
+
+		sprintf(key, "Title%u", num_entries);
+		value = g_key_file_get_string(keyfile, "playlist", key,
+					      nullptr);
+		if (value != nullptr)
+			tag.AddItem(TAG_TITLE, value);
+
+		g_free(value);
+
+		sprintf(key, "Length%u", num_entries);
+		int length = g_key_file_get_integer(keyfile, "playlist", key,
+						    nullptr);
+		if (length > 0)
+			tag.SetTime(length);
+
+		songs.emplace_front(uri, tag.Commit());
+		g_free(uri);
+	}
+
+}
+
+static SongEnumerator *
+pls_open_stream(InputStream &is)
+{
+	GError *error = nullptr;
+	Error error2;
+
+	std::string kf_data;
+
+	do {
+		char buffer[1024];
+		size_t nbytes = is.LockRead(buffer, sizeof(buffer), error2);
+		if (nbytes == 0) {
+			if (error2.IsDefined()) {
+				LogError(error2);
+				return nullptr;
+			}
+
+			break;
+		}
+
+		kf_data.append(buffer, nbytes);
+		/* Limit to 64k */
+	} while (kf_data.length() < 65536);
+
+	if (kf_data.empty()) {
+		LogWarning(pls_domain, "KeyFile parser failed: No Data");
+		return nullptr;
+	}
+
+	GKeyFile *keyfile = g_key_file_new();
+	if (!g_key_file_load_from_data(keyfile,
+				       kf_data.data(), kf_data.length(),
+				       G_KEY_FILE_NONE, &error)) {
+		FormatError(pls_domain,
+			    "KeyFile parser failed: %s", error->message);
+		g_error_free(error);
+		g_key_file_free(keyfile);
+		return nullptr;
+	}
+
+	std::forward_list<DetachedSong> songs;
+	pls_parser(keyfile, songs);
+	g_key_file_free(keyfile);
+
+	return new MemorySongEnumerator(std::move(songs));
+}
+
+static const char *const pls_suffixes[] = {
+	"pls",
+	nullptr
+};
+
+static const char *const pls_mime_types[] = {
+	"audio/x-scpls",
+	nullptr
+};
+
+const struct playlist_plugin pls_playlist_plugin = {
+	"pls",
+
+	nullptr,
+	nullptr,
+	nullptr,
+	pls_open_stream,
+
+	nullptr,
+	pls_suffixes,
+	pls_mime_types,
+};