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authorMax Kellermann <max@duempel.org>2014-04-25 18:39:21 +0200
committerMax Kellermann <max@duempel.org>2014-04-25 18:39:21 +0200
commit154e601f4e99e5334005279eb64ba6a541d9e844 (patch)
treee5a8bfc460f29847f69b04b384c771a0f1e39963 /src
parent4cca75b2e17f3145dfe156285f30b86210662b79 (diff)
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db/Helpers: split library
Diffstat (limited to 'src')
-rw-r--r--src/db/Helpers.cxx36
-rw-r--r--src/db/Helpers.hxx11
-rw-r--r--src/db/UniqueTags.cxx59
-rw-r--r--src/db/UniqueTags.hxx38
-rw-r--r--src/db/plugins/simple/SimpleDatabasePlugin.cxx1
5 files changed, 98 insertions, 47 deletions
diff --git a/src/db/Helpers.cxx b/src/db/Helpers.cxx
index 5b1e1d6c6..b849e73e8 100644
--- a/src/db/Helpers.cxx
+++ b/src/db/Helpers.cxx
@@ -22,13 +22,9 @@
#include "Interface.hxx"
#include "LightSong.hxx"
#include "tag/Tag.hxx"
-#include "tag/TagBuilder.hxx"
-#include "tag/Set.hxx"
-#include <functional>
#include <set>
-#include <assert.h>
#include <string.h>
struct StringLess {
@@ -40,38 +36,6 @@ struct StringLess {
typedef std::set<const char *, StringLess> StringSet;
-static bool
-CollectTags(TagSet &set, TagType tag_type, uint32_t group_mask,
- const LightSong &song)
-{
- assert(song.tag != nullptr);
- const Tag &tag = *song.tag;
-
- set.InsertUnique(tag, tag_type, group_mask);
- return true;
-}
-
-bool
-VisitUniqueTags(const Database &db, const DatabaseSelection &selection,
- TagType tag_type, uint32_t group_mask,
- VisitTag visit_tag,
- Error &error)
-{
- TagSet set;
-
- using namespace std::placeholders;
- const auto f = std::bind(CollectTags, std::ref(set),
- tag_type, group_mask, _1);
- if (!db.Visit(selection, f, error))
- return false;
-
- for (const auto &value : set)
- if (!visit_tag(value, error))
- return false;
-
- return true;
-}
-
static void
StatsVisitTag(DatabaseStats &stats, StringSet &artists, StringSet &albums,
const Tag &tag)
diff --git a/src/db/Helpers.hxx b/src/db/Helpers.hxx
index b9a7af4cf..651bac0e0 100644
--- a/src/db/Helpers.hxx
+++ b/src/db/Helpers.hxx
@@ -20,23 +20,12 @@
#ifndef MPD_MEMORY_DATABASE_PLUGIN_HXX
#define MPD_MEMORY_DATABASE_PLUGIN_HXX
-#include "Visitor.hxx"
-#include "tag/TagType.h"
-
-#include <stdint.h>
-
class Error;
class Database;
struct DatabaseSelection;
struct DatabaseStats;
bool
-VisitUniqueTags(const Database &db, const DatabaseSelection &selection,
- TagType tag_type, uint32_t group_mask,
- VisitTag visit_tag,
- Error &error);
-
-bool
GetStats(const Database &db, const DatabaseSelection &selection,
DatabaseStats &stats, Error &error);
diff --git a/src/db/UniqueTags.cxx b/src/db/UniqueTags.cxx
new file mode 100644
index 000000000..589dc936d
--- /dev/null
+++ b/src/db/UniqueTags.cxx
@@ -0,0 +1,59 @@
+/*
+ * 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 "UniqueTags.hxx"
+#include "Interface.hxx"
+#include "LightSong.hxx"
+#include "tag/Set.hxx"
+
+#include <functional>
+
+#include <assert.h>
+
+static bool
+CollectTags(TagSet &set, TagType tag_type, uint32_t group_mask,
+ const LightSong &song)
+{
+ assert(song.tag != nullptr);
+ const Tag &tag = *song.tag;
+
+ set.InsertUnique(tag, tag_type, group_mask);
+ return true;
+}
+
+bool
+VisitUniqueTags(const Database &db, const DatabaseSelection &selection,
+ TagType tag_type, uint32_t group_mask,
+ VisitTag visit_tag,
+ Error &error)
+{
+ TagSet set;
+
+ using namespace std::placeholders;
+ const auto f = std::bind(CollectTags, std::ref(set),
+ tag_type, group_mask, _1);
+ if (!db.Visit(selection, f, error))
+ return false;
+
+ for (const auto &value : set)
+ if (!visit_tag(value, error))
+ return false;
+
+ return true;
+}
diff --git a/src/db/UniqueTags.hxx b/src/db/UniqueTags.hxx
new file mode 100644
index 000000000..61004fc56
--- /dev/null
+++ b/src/db/UniqueTags.hxx
@@ -0,0 +1,38 @@
+/*
+ * 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_DB_UNIQUE_TAGS_HXX
+#define MPD_DB_UNIQUE_TAGS_HXX
+
+#include "Visitor.hxx"
+#include "tag/TagType.h"
+
+#include <stdint.h>
+
+class Error;
+class Database;
+struct DatabaseSelection;
+
+bool
+VisitUniqueTags(const Database &db, const DatabaseSelection &selection,
+ TagType tag_type, uint32_t group_mask,
+ VisitTag visit_tag,
+ Error &error);
+
+#endif
diff --git a/src/db/plugins/simple/SimpleDatabasePlugin.cxx b/src/db/plugins/simple/SimpleDatabasePlugin.cxx
index d616c793f..97d3e52df 100644
--- a/src/db/plugins/simple/SimpleDatabasePlugin.cxx
+++ b/src/db/plugins/simple/SimpleDatabasePlugin.cxx
@@ -23,6 +23,7 @@
#include "db/DatabasePlugin.hxx"
#include "db/Selection.hxx"
#include "db/Helpers.hxx"
+#include "db/UniqueTags.hxx"
#include "db/LightDirectory.hxx"
#include "Directory.hxx"
#include "Song.hxx"