cmdline: convert to C++

1 files changed, 257 insertions, 0 deletions

diff --git a/src/CommandLine.cxx b/src/CommandLine.cxx
new file mode 100644
index 00000000..ea5432f9
--- /dev/null
+++ b/src/CommandLine.cxx
@@ -0,0 +1,257 @@
+/*
+ * 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 "CommandLine.hxx"
+#include "path.h"
+
+extern "C" {
+#include "log.h"
+#include "conf.h"
+#include "ls.h"
+}
+
+#include "decoder_list.h"
+#include "decoder_plugin.h"
+#include "output_list.h"
+#include "output_plugin.h"
+#include "input_registry.h"
+#include "input_plugin.h"
+#include "playlist_list.h"
+#include "playlist_plugin.h"
+#include "mpd_error.h"
+#include "glib_compat.h"
+
+#ifdef ENABLE_ENCODER
+#include "encoder_list.h"
+#include "encoder_plugin.h"
+#endif
+
+#ifdef ENABLE_ARCHIVE
+#include "archive_list.h"
+#include "archive_plugin.h"
+#endif
+
+#include <glib.h>
+
+#include <stdio.h>
+#include <stdlib.h>
+
+#ifdef G_OS_WIN32
+#define CONFIG_FILE_LOCATION		"\\mpd\\mpd.conf"
+#else /* G_OS_WIN32 */
+#define USER_CONFIG_FILE_LOCATION1	".mpdconf"
+#define USER_CONFIG_FILE_LOCATION2	".mpd/mpd.conf"
+#endif
+
+static GQuark
+cmdline_quark(void)
+{
+	return g_quark_from_static_string("cmdline");
+}
+
+G_GNUC_NORETURN
+static void version(void)
+{
+	puts(PACKAGE " (MPD: Music Player Daemon) " VERSION " \n"
+	     "\n"
+	     "Copyright (C) 2003-2007 Warren Dukes <warren.dukes@gmail.com>\n"
+	     "Copyright (C) 2008-2012 Max Kellermann <max@duempel.org>\n"
+	     "This is free software; see the source for copying conditions.  There is NO\n"
+	     "warranty; not even MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.\n"
+	     "\n"
+	     "Decoders plugins:");
+
+	decoder_plugins_for_each(plugin) {
+		printf(" [%s]", plugin->name);
+
+		const char *const*suffixes = plugin->suffixes;
+		if (suffixes != NULL)
+			for (; *suffixes != NULL; ++suffixes)
+				printf(" %s", *suffixes);
+
+		puts("");
+	}
+
+	puts("\n"
+	     "Output plugins:");
+	audio_output_plugins_for_each(plugin)
+		printf(" %s", plugin->name);
+	puts("");
+
+#ifdef ENABLE_ENCODER
+	puts("\n"
+	     "Encoder plugins:");
+	encoder_plugins_for_each(plugin)
+		printf(" %s", plugin->name);
+	puts("");
+#endif
+
+#ifdef ENABLE_ARCHIVE
+	puts("\n"
+	     "Archive plugins:");
+	archive_plugins_for_each(plugin) {
+		printf(" [%s]", plugin->name);
+
+		const char *const*suffixes = plugin->suffixes;
+		if (suffixes != NULL)
+			for (; *suffixes != NULL; ++suffixes)
+				printf(" %s", *suffixes);
+
+		puts("");
+	}
+#endif
+
+	puts("\n"
+	     "Input plugins:");
+	input_plugins_for_each(plugin)
+		printf(" %s", plugin->name);
+
+	puts("\n\n"
+	     "Playlist plugins:");
+	playlist_plugins_for_each(plugin)
+		printf(" %s", plugin->name);
+
+	puts("\n\n"
+	     "Protocols:");
+	print_supported_uri_schemes_to_fp(stdout);
+
+	exit(EXIT_SUCCESS);
+}
+
+static const char *summary =
+	"Music Player Daemon - a daemon for playing music.";
+
+bool
+parse_cmdline(int argc, char **argv, struct options *options,
+	      GError **error_r)
+{
+	GError *error = NULL;
+	GOptionContext *context;
+	bool ret;
+	static gboolean option_version,
+		option_no_daemon,
+		option_no_config;
+	const GOptionEntry entries[] = {
+		{ "kill", 0, 0, G_OPTION_ARG_NONE, &options->kill,
+		  "kill the currently running mpd session", NULL },
+		{ "no-config", 0, 0, G_OPTION_ARG_NONE, &option_no_config,
+		  "don't read from config", NULL },
+		{ "no-daemon", 0, 0, G_OPTION_ARG_NONE, &option_no_daemon,
+		  "don't detach from console", NULL },
+		{ "stdout", 0, 0, G_OPTION_ARG_NONE, &options->log_stderr,
+		  NULL, NULL },
+		{ "stderr", 0, 0, G_OPTION_ARG_NONE, &options->log_stderr,
+		  "print messages to stderr", NULL },
+		{ "verbose", 'v', 0, G_OPTION_ARG_NONE, &options->verbose,
+		  "verbose logging", NULL },
+		{ "version", 'V', 0, G_OPTION_ARG_NONE, &option_version,
+		  "print version number", NULL },
+		{ nullptr, 0, 0, G_OPTION_ARG_NONE, nullptr, nullptr, nullptr }
+	};
+
+	options->kill = false;
+	options->daemon = true;
+	options->log_stderr = false;
+	options->verbose = false;
+
+	context = g_option_context_new("[path/to/mpd.conf]");
+	g_option_context_add_main_entries(context, entries, NULL);
+
+	g_option_context_set_summary(context, summary);
+
+	ret = g_option_context_parse(context, &argc, &argv, &error);
+	g_option_context_free(context);
+
+	if (!ret)
+		MPD_ERROR("option parsing failed: %s\n", error->message);
+
+	if (option_version)
+		version();
+
+	/* initialize the logging library, so the configuration file
+	   parser can use it already */
+	log_early_init(options->verbose);
+
+	options->daemon = !option_no_daemon;
+
+	if (option_no_config) {
+		g_debug("Ignoring config, using daemon defaults\n");
+		return true;
+	} else if (argc <= 1) {
+		/* default configuration file path */
+		char *path1;
+
+#ifdef G_OS_WIN32
+		path1 = g_build_filename(g_get_user_config_dir(),
+					CONFIG_FILE_LOCATION, NULL);
+		if (g_file_test(path1, G_FILE_TEST_IS_REGULAR))
+			ret = config_read_file(path1, error_r);
+		else {
+			int i = 0;
+			char *system_path = NULL;
+			const char * const *system_config_dirs;
+
+			system_config_dirs = g_get_system_config_dirs();
+
+			while(system_config_dirs[i] != NULL) {
+				system_path = g_build_filename(system_config_dirs[i],
+						CONFIG_FILE_LOCATION,
+						NULL);
+				if(g_file_test(system_path,
+						G_FILE_TEST_IS_REGULAR)) {
+					ret = config_read_file(system_path,error_r);
+					break;
+				}
+				++i;;
+			}
+			g_free(system_path);
+			g_free(&system_config_dirs);
+		}
+#else /* G_OS_WIN32 */
+		char *path2;
+		path1 = g_build_filename(g_get_home_dir(),
+					USER_CONFIG_FILE_LOCATION1, NULL);
+		path2 = g_build_filename(g_get_home_dir(),
+					USER_CONFIG_FILE_LOCATION2, NULL);
+		if (g_file_test(path1, G_FILE_TEST_IS_REGULAR))
+			ret = config_read_file(path1, error_r);
+		else if (g_file_test(path2, G_FILE_TEST_IS_REGULAR))
+			ret = config_read_file(path2, error_r);
+		else if (g_file_test(SYSTEM_CONFIG_FILE_LOCATION,
+				     G_FILE_TEST_IS_REGULAR))
+			ret = config_read_file(SYSTEM_CONFIG_FILE_LOCATION,
+					       error_r);
+#endif
+
+		g_free(path1);
+#ifndef G_OS_WIN32
+		g_free(path2);
+#endif
+
+		return ret;
+	} else if (argc == 2) {
+		/* specified configuration file */
+		return config_read_file(argv[1], error_r);
+	} else {
+		g_set_error(error_r, cmdline_quark(), 0,
+			    "too many arguments");
+		return false;
+	}
+}