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-rw-r--r--src/DatabaseHelpers.cxx134
1 files changed, 0 insertions, 134 deletions
diff --git a/src/DatabaseHelpers.cxx b/src/DatabaseHelpers.cxx
deleted file mode 100644
index 4202b1247..000000000
--- a/src/DatabaseHelpers.cxx
+++ /dev/null
@@ -1,134 +0,0 @@
-/*
- * 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.
- */
-
-#include "DatabaseHelpers.hxx"
-#include "DatabasePlugin.hxx"
-#include "Song.hxx"
-#include "tag/Tag.hxx"
-
-#include <functional>
-#include <set>
-
-#include <string.h>
-
-struct StringLess {
- gcc_pure
- bool operator()(const char *a, const char *b) const {
- return strcmp(a, b) < 0;
- }
-};
-
-typedef std::set<const char *, StringLess> StringSet;
-
-static bool
-CollectTags(StringSet &set, TagType tag_type, Song &song)
-{
- Tag *tag = song.tag;
- if (tag == nullptr)
- return true;
-
- bool found = false;
- for (unsigned i = 0; i < tag->num_items; ++i) {
- if (tag->items[i]->type == tag_type) {
- set.insert(tag->items[i]->value);
- found = true;
- }
- }
-
- if (!found)
- set.insert("");
-
- return true;
-}
-
-bool
-VisitUniqueTags(const Database &db, const DatabaseSelection &selection,
- TagType tag_type,
- VisitString visit_string,
- Error &error)
-{
- StringSet set;
-
- using namespace std::placeholders;
- const auto f = std::bind(CollectTags, std::ref(set), tag_type, _1);
- if (!db.Visit(selection, f, error))
- return false;
-
- for (auto value : set)
- if (!visit_string(value, error))
- return false;
-
- return true;
-}
-
-static void
-StatsVisitTag(DatabaseStats &stats, StringSet &artists, StringSet &albums,
- const Tag &tag)
-{
- if (tag.time > 0)
- stats.total_duration += tag.time;
-
- for (unsigned i = 0; i < tag.num_items; ++i) {
- const TagItem &item = *tag.items[i];
-
- switch (item.type) {
- case TAG_ARTIST:
- artists.insert(item.value);
- break;
-
- case TAG_ALBUM:
- albums.insert(item.value);
- break;
-
- default:
- break;
- }
- }
-}
-
-static bool
-StatsVisitSong(DatabaseStats &stats, StringSet &artists, StringSet &albums,
- Song &song)
-{
- ++stats.song_count;
-
- if (song.tag != nullptr)
- StatsVisitTag(stats, artists, albums, *song.tag);
-
- return true;
-}
-
-bool
-GetStats(const Database &db, const DatabaseSelection &selection,
- DatabaseStats &stats, Error &error)
-{
- stats.Clear();
-
- StringSet artists, albums;
- using namespace std::placeholders;
- const auto f = std::bind(StatsVisitSong,
- std::ref(stats), std::ref(artists),
- std::ref(albums), _1);
- if (!db.Visit(selection, f, error))
- return false;
-
- stats.artist_count = artists.size();
- stats.album_count = albums.size();
- return true;
-}