diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/db/Helpers.cxx | 25 | ||||
| -rw-r--r-- | src/tag/Set.hxx | 60 |
2 files changed, 61 insertions, 24 deletions
diff --git a/src/db/Helpers.cxx b/src/db/Helpers.cxx index 9a68e0486..25ea50a52 100644 --- a/src/db/Helpers.cxx +++ b/src/db/Helpers.cxx @@ -23,6 +23,7 @@ #include "LightSong.hxx" #include "tag/Tag.hxx" #include "tag/TagBuilder.hxx" +#include "tag/Set.hxx" #include <functional> #include <set> @@ -39,30 +40,6 @@ struct StringLess { typedef std::set<const char *, StringLess> StringSet; -struct TagLess { - gcc_pure - bool operator()(const Tag &a, const Tag &b) const { - if (a.num_items != b.num_items) - return a.num_items < b.num_items; - - const unsigned n = a.num_items; - for (unsigned i = 0; i < n; ++i) { - const TagItem &ai = *a.items[i]; - const TagItem &bi = *b.items[i]; - if (ai.type != bi.type) - return unsigned(ai.type) < unsigned(bi.type); - - const int cmp = strcmp(ai.value, bi.value); - if (cmp != 0) - return cmp < 0; - } - - return false; - } -}; - -typedef std::set<Tag, TagLess> TagSet; - /** * Copy all tag items of the specified type. */ diff --git a/src/tag/Set.hxx b/src/tag/Set.hxx new file mode 100644 index 000000000..3b9654807 --- /dev/null +++ b/src/tag/Set.hxx @@ -0,0 +1,60 @@ +/* + * 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. + */ + +#ifndef MPD_TAG_SET_HXX +#define MPD_TAG_SET_HXX + +#include "Compiler.h" +#include "Tag.hxx" + +#include <set> + +#include <string.h> + +/** + * Helper class for #TagSet which compares two #Tag objects. + */ +struct TagLess { + gcc_pure + bool operator()(const Tag &a, const Tag &b) const { + if (a.num_items != b.num_items) + return a.num_items < b.num_items; + + const unsigned n = a.num_items; + for (unsigned i = 0; i < n; ++i) { + const TagItem &ai = *a.items[i]; + const TagItem &bi = *b.items[i]; + if (ai.type != bi.type) + return unsigned(ai.type) < unsigned(bi.type); + + const int cmp = strcmp(ai.value, bi.value); + if (cmp != 0) + return cmp < 0; + } + + return false; + } +}; + +/** + * A set of #Tag objects. + */ +typedef std::set<Tag, TagLess> TagSet; + +#endif |