test/ConfigGlue: merge duplicate code from various debug programs

test/ConfigGlue.hxx

+/*
+ * Copyright 2003-2019 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_TEST_CONFIG_GLUE_HXX
+#define MPD_TEST_CONFIG_GLUE_HXX
+
+#include "config/File.hxx"
+#include "config/Migrate.hxx"
+#include "config/Data.hxx"
+#include "fs/Path.hxx"
+
+inline ConfigData
+AutoLoadConfigFile(Path path)
+{
+	ConfigData data;
+
+	if (!path.IsNull()) {
+		ReadConfigFile(data, path);
+		Migrate(data);
+	}
+
+	return data;
+}
+
+#endif

test/DumpDatabase.cxx

 /*
- * Copyright 2003-2018 The Music Player Daemon Project
+ * Copyright 2003-2019 The Music Player Daemon Project
  * http://www.musicpd.org
  *
  * This program is free software; you can redistribute it and/or modify
@@ -26,11 +26,7 @@
 #include "db/LightDirectory.hxx"
 #include "song/LightSong.hxx"
 #include "db/PlaylistVector.hxx"
-#include "config/File.hxx"
-#include "config/Migrate.hxx"
-#include "config/Data.hxx"
-#include "config/Param.hxx"
-#include "config/Block.hxx"
+#include "ConfigGlue.hxx"
 #include "tag/Config.hxx"
 #include "fs/Path.hxx"
 #include "event/Thread.hxx"
@@ -124,9 +120,7 @@ try {
 
 	GlobalInit init;
 
-	ConfigData config;
-	ReadConfigFile(config, config_path);
-	Migrate(config);
+	const auto config = AutoLoadConfigFile(config_path);
 
 	TagLoadConfig(config);
 

test/RunChromaprint.cxx

@@ -17,9 +17,7 @@
  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  */
 
-#include "config/File.hxx"
-#include "config/Migrate.hxx"
-#include "config/Data.hxx"
+#include "ConfigGlue.hxx"
 #include "tag/Chromaprint.hxx"
 #include "pcm/PcmConvert.hxx"
 #include "event/Thread.hxx"
@@ -90,18 +88,13 @@ ParseCommandLine(int argc, char **argv)
 }
 
 class GlobalInit {
-	ConfigData config;
+	const ConfigData config;
 	EventThread io_thread;
 
 public:
-	GlobalInit(Path config_path, bool verbose) {
-		SetLogThreshold(verbose ? LogLevel::DEBUG : LogLevel::INFO);
-
-		if (!config_path.IsNull()) {
-			ReadConfigFile(config, config_path);
-			Migrate(config);
-		}
-
+	explicit GlobalInit(Path config_path)
+		:config(AutoLoadConfigFile(config_path))
+	{
 		io_thread.Start();
 
 		input_stream_global_init(config,
@@ -245,7 +238,8 @@ int main(int argc, char **argv)
 try {
 	const auto c = ParseCommandLine(argc, argv);
 
-	const GlobalInit init(c.config_path, c.verbose);
+	SetLogThreshold(c.verbose ? LogLevel::DEBUG : LogLevel::INFO);
+	const GlobalInit init(c.config_path);
 
 	const DecoderPlugin *plugin = decoder_plugin_from_name(c.decoder);
 	if (plugin == nullptr) {

test/dump_playlist.cxx

 /*
- * Copyright 2003-2018 The Music Player Daemon Project
+ * Copyright 2003-2019 The Music Player Daemon Project
  * http://www.musicpd.org
  *
  * This program is free software; you can redistribute it and/or modify
@@ -21,9 +21,7 @@
 #include "song/DetachedSong.hxx"
 #include "playlist/SongEnumerator.hxx"
 #include "input/InputStream.hxx"
-#include "config/File.hxx"
-#include "config/Migrate.hxx"
-#include "config/Data.hxx"
+#include "ConfigGlue.hxx"
 #include "decoder/DecoderList.hxx"
 #include "input/Init.hxx"
 #include "event/Thread.hxx"
@@ -61,9 +59,7 @@ try {
 
 	/* initialize MPD */
 
-	ConfigData config;
-	ReadConfigFile(config, config_path);
-	Migrate(config);
+	const auto config = AutoLoadConfigFile(config_path);
 
 	EventThread io_thread;
 	io_thread.Start();

test/run_decoder.cxx

 /*
- * Copyright 2003-2018 The Music Player Daemon Project
+ * Copyright 2003-2019 The Music Player Daemon Project
  * http://www.musicpd.org
  *
  * This program is free software; you can redistribute it and/or modify
@@ -17,9 +17,7 @@
  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  */
 
-#include "config/File.hxx"
-#include "config/Migrate.hxx"
-#include "config/Data.hxx"
+#include "ConfigGlue.hxx"
 #include "event/Thread.hxx"
 #include "decoder/DecoderList.hxx"
 #include "decoder/DecoderPlugin.hxx"
@@ -88,18 +86,13 @@ ParseCommandLine(int argc, char **argv)
 }
 
 class GlobalInit {
-	ConfigData config;
+	const ConfigData config;
 	EventThread io_thread;
 
 public:
-	GlobalInit(Path config_path, bool verbose) {
-		SetLogThreshold(verbose ? LogLevel::DEBUG : LogLevel::INFO);
-
-		if (!config_path.IsNull()) {
-			ReadConfigFile(config, config_path);
-			Migrate(config);
-		}
-
+	explicit GlobalInit(Path config_path)
+		:config(AutoLoadConfigFile(config_path))
+	{
 		io_thread.Start();
 
 		input_stream_global_init(config,
@@ -117,7 +110,8 @@ int main(int argc, char **argv)
 try {
 	const auto c = ParseCommandLine(argc, argv);
 
-	const GlobalInit init(c.config_path, c.verbose);
+	SetLogThreshold(c.verbose ? LogLevel::DEBUG : LogLevel::INFO);
+	const GlobalInit init(c.config_path);
 
 	const DecoderPlugin *plugin = decoder_plugin_from_name(c.decoder);
 	if (plugin == nullptr) {

test/run_filter.cxx

 /*
- * Copyright 2003-2018 The Music Player Daemon Project
+ * Copyright 2003-2019 The Music Player Daemon Project
  * http://www.musicpd.org
  *
  * This program is free software; you can redistribute it and/or modify
@@ -17,10 +17,7 @@
  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  */
 
-#include "config/Param.hxx"
-#include "config/Data.hxx"
-#include "config/File.hxx"
-#include "config/Migrate.hxx"
+#include "ConfigGlue.hxx"
 #include "fs/Path.hxx"
 #include "AudioParser.hxx"
 #include "AudioFormat.hxx"
@@ -77,9 +74,7 @@ try {
 
 	/* read configuration file (mpd.conf) */
 
-	ConfigData config;
-	ReadConfigFile(config, config_path);
-	Migrate(config);
+	const auto config = AutoLoadConfigFile(config_path);
 
 	/* parse the audio format */
 

test/run_input.cxx

 /*
- * Copyright 2003-2018 The Music Player Daemon Project
+ * Copyright 2003-2019 The Music Player Daemon Project
  * http://www.musicpd.org
  *
  * This program is free software; you can redistribute it and/or modify
@@ -20,9 +20,7 @@
 #include "config.h"
 #include "TagSave.hxx"
 #include "tag/Tag.hxx"
-#include "config/File.hxx"
-#include "config/Migrate.hxx"
-#include "config/Data.hxx"
+#include "ConfigGlue.hxx"
 #include "input/InputStream.hxx"
 #include "input/Init.hxx"
 #include "input/Registry.hxx"
@@ -103,7 +101,7 @@ ParseCommandLine(int argc, char **argv)
 }
 
 class GlobalInit {
-	ConfigData config;
+	const ConfigData config;
 	EventThread io_thread;
 
 #ifdef ENABLE_ARCHIVE
@@ -111,14 +109,9 @@ class GlobalInit {
 #endif
 
 public:
-	GlobalInit(Path config_path, bool verbose) {
-		SetLogThreshold(verbose ? LogLevel::DEBUG : LogLevel::INFO);
-
-		if (!config_path.IsNull()) {
-			ReadConfigFile(config, config_path);
-			Migrate(config);
-		}
-
+	explicit GlobalInit(Path config_path)
+		:config(AutoLoadConfigFile(config_path))
+	{
 		io_thread.Start();
 
 		input_stream_global_init(config,
@@ -234,7 +227,8 @@ try {
 
 	/* initialize MPD */
 
-	const GlobalInit init(c.config_path, c.verbose);
+	SetLogThreshold(c.verbose ? LogLevel::DEBUG : LogLevel::INFO);
+	const GlobalInit init(c.config_path);
 
 	if (c.scan)
 		return Scan(c.uri);

test/run_neighbor_explorer.cxx

 /*
- * Copyright 2003-2018 The Music Player Daemon Project
+ * Copyright 2003-2019 The Music Player Daemon Project
  * http://www.musicpd.org
  *
  * This program is free software; you can redistribute it and/or modify
@@ -17,9 +17,7 @@
  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  */
 
-#include "config/File.hxx"
-#include "config/Migrate.hxx"
-#include "config/Data.hxx"
+#include "ConfigGlue.hxx"
 #include "neighbor/Listener.hxx"
 #include "neighbor/Info.hxx"
 #include "neighbor/Glue.hxx"
@@ -57,14 +55,12 @@ try {
 
 	/* initialize the core */
 
-	ConfigData config;
 	EventLoop loop;
 	const ShutdownHandler shutdown_handler(loop);
 
 	/* read configuration file (mpd.conf) */
 
-	ReadConfigFile(config, config_path);
-	Migrate(config);
+	const auto config = AutoLoadConfigFile(config_path);
 
 	/* initialize neighbor plugins */
 

test/run_output.cxx

@@ -20,12 +20,7 @@
 #include "output/Interface.hxx"
 #include "output/Registry.hxx"
 #include "output/OutputPlugin.hxx"
-#include "config/Param.hxx"
-#include "config/Data.hxx"
-#include "config/File.hxx"
-#include "config/Migrate.hxx"
-#include "config/Option.hxx"
-#include "config/Block.hxx"
+#include "ConfigGlue.hxx"
 #include "event/Thread.hxx"
 #include "fs/Path.hxx"
 #include "AudioParser.hxx"
@@ -122,9 +117,7 @@ try {
 
 	/* read configuration file (mpd.conf) */
 
-	ConfigData config;
-	ReadConfigFile(config, config_path);
-	Migrate(config);
+	const auto config = AutoLoadConfigFile(config_path);
 
 	EventThread io_thread;
 	io_thread.Start();