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-rw-r--r--src/SongSort.cxx124
1 files changed, 0 insertions, 124 deletions
diff --git a/src/SongSort.cxx b/src/SongSort.cxx
deleted file mode 100644
index 4d422657a..000000000
--- a/src/SongSort.cxx
+++ /dev/null
@@ -1,124 +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 "config.h"
-#include "SongSort.hxx"
-#include "Song.hxx"
-#include "util/list.h"
-#include "tag/Tag.hxx"
-
-extern "C" {
-#include "util/list_sort.h"
-}
-
-#include <glib.h>
-
-#include <assert.h>
-#include <stdlib.h>
-
-static const char *
-tag_get_value_checked(const Tag *tag, TagType type)
-{
- return tag != nullptr
- ? tag->GetValue(type)
- : nullptr;
-}
-
-static int
-compare_utf8_string(const char *a, const char *b)
-{
- if (a == nullptr)
- return b == nullptr ? 0 : -1;
-
- if (b == nullptr)
- return 1;
-
- return g_utf8_collate(a, b);
-}
-
-/**
- * Compare two string tag values, ignoring case. Either one may be
- * nullptr.
- */
-static int
-compare_string_tag_item(const Tag *a, const Tag *b,
- TagType type)
-{
- return compare_utf8_string(tag_get_value_checked(a, type),
- tag_get_value_checked(b, type));
-}
-
-/**
- * Compare two tag values which should contain an integer value
- * (e.g. disc or track number). Either one may be nullptr.
- */
-static int
-compare_number_string(const char *a, const char *b)
-{
- long ai = a == nullptr ? 0 : strtol(a, nullptr, 10);
- long bi = b == nullptr ? 0 : strtol(b, nullptr, 10);
-
- if (ai <= 0)
- return bi <= 0 ? 0 : -1;
-
- if (bi <= 0)
- return 1;
-
- return ai - bi;
-}
-
-static int
-compare_tag_item(const Tag *a, const Tag *b, TagType type)
-{
- return compare_number_string(tag_get_value_checked(a, type),
- tag_get_value_checked(b, type));
-}
-
-/* Only used for sorting/searchin a songvec, not general purpose compares */
-static int
-song_cmp(gcc_unused void *priv, struct list_head *_a, struct list_head *_b)
-{
- const Song *a = (const Song *)_a;
- const Song *b = (const Song *)_b;
- int ret;
-
- /* first sort by album */
- ret = compare_string_tag_item(a->tag, b->tag, TAG_ALBUM);
- if (ret != 0)
- return ret;
-
- /* then sort by disc */
- ret = compare_tag_item(a->tag, b->tag, TAG_DISC);
- if (ret != 0)
- return ret;
-
- /* then by track number */
- ret = compare_tag_item(a->tag, b->tag, TAG_TRACK);
- if (ret != 0)
- return ret;
-
- /* still no difference? compare file name */
- return g_utf8_collate(a->uri, b->uri);
-}
-
-void
-song_list_sort(struct list_head *songs)
-{
- list_sort(nullptr, songs, song_cmp);
-}