db/simple: create dedicated directory

1 files changed, 111 insertions, 0 deletions

diff --git a/src/db/plugins/simple/Song.cxx b/src/db/plugins/simple/Song.cxx
new file mode 100644
index 000000000..3bd3d8316
--- /dev/null
+++ b/src/db/plugins/simple/Song.cxx
@@ -0,0 +1,111 @@
+/*
+ * 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 "Song.hxx"
+#include "Directory.hxx"
+#include "tag/Tag.hxx"
+#include "util/VarSize.hxx"
+#include "DetachedSong.hxx"
+#include "db/LightSong.hxx"
+
+#include <assert.h>
+#include <string.h>
+#include <stdlib.h>
+
+inline Song::Song(const char *_uri, size_t uri_length, Directory &_parent)
+	:parent(&_parent), mtime(0), start_ms(0), end_ms(0)
+{
+	memcpy(uri, _uri, uri_length + 1);
+}
+
+inline Song::~Song()
+{
+}
+
+static Song *
+song_alloc(const char *uri, Directory &parent)
+{
+	size_t uri_length;
+
+	assert(uri);
+	uri_length = strlen(uri);
+	assert(uri_length);
+
+	return NewVarSize<Song>(sizeof(Song::uri),
+				uri_length + 1,
+				uri, uri_length, parent);
+}
+
+Song *
+Song::NewFrom(DetachedSong &&other, Directory &parent)
+{
+	Song *song = song_alloc(other.GetURI(), parent);
+	song->tag = std::move(other.WritableTag());
+	song->mtime = other.GetLastModified();
+	song->start_ms = other.GetStartMS();
+	song->end_ms = other.GetEndMS();
+	return song;
+}
+
+Song *
+Song::NewFile(const char *path, Directory &parent)
+{
+	return song_alloc(path, parent);
+}
+
+void
+Song::Free()
+{
+	DeleteVarSize(this);
+}
+
+std::string
+Song::GetURI() const
+{
+	assert(*uri);
+
+	if (parent->IsRoot())
+		return std::string(uri);
+	else {
+		const char *path = parent->GetPath();
+
+		std::string result;
+		result.reserve(strlen(path) + 1 + strlen(uri));
+		result.assign(path);
+		result.push_back('/');
+		result.append(uri);
+		return result;
+	}
+}
+
+LightSong
+Song::Export() const
+{
+	LightSong dest;
+	dest.directory = parent->IsRoot()
+		? nullptr : parent->GetPath();
+	dest.uri = uri;
+	dest.real_uri = nullptr;
+	dest.tag = &tag;
+	dest.mtime = mtime;
+	dest.start_ms = start_ms;
+	dest.end_ms = end_ms;
+	return dest;
+}