sampleapp.cpp

This software aims to create an applet and panel tools to manage a wireless interface card, such as

//
// SampleApp.cpp
//
// $Id: //poco/Main/Util/samples/SampleApp/src/SampleApp.cpp#2 $
//
// This sample demonstrates the Application class.
//
// Copyright (c) 2004-2005, Guenter Obiltschnig/Applied Informatics.
// All rights reserved.
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions
// are met:
//
// 1. Redistributions of source code must retain the above copyright
//    notice, this list of conditions and the following disclaimer.
//
// 2. Redistributions in binary form must reproduce the above copyright
//    notice, this list of conditions and the following disclaimer in the
//    documentation and/or other materials provided with the distribution.
//
// 3. Redistributions in any form must be accompanied by information on
//    how to obtain complete source code for this software and any
//    accompanying software that uses this software.  The source code
//    must either be included in the distribution or be available for no
//    more than the cost of distribution plus a nominal fee, and must be
//    freely redistributable under reasonable conditions.  For an
//    executable file, complete source code means the source code for all
//    modules it contains.  It does not include source code for modules or
//    files that typically accompany the major components of the operating
//    system on which the executable file runs.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
// FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
// COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
// INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
// BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
// LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
// CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
// LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
// ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
// POSSIBILITY OF SUCH DAMAGE.
//


#include "Util/Application.h"
#include "Util/Option.h"
#include "Util/OptionSet.h"
#include "Util/HelpFormatter.h"
#include "Util/AbstractConfiguration.h"
#include "Foundation/AutoPtr.h"
#include <iostream>


using Util::Application;
using Util::Option;
using Util::OptionSet;
using Util::HelpFormatter;
using Util::AbstractConfiguration;
using Foundation::AutoPtr;


class SampleApp: public Application
	/// This sample demonstrates some of the features of the Util::Application class,
	/// such as configuration file handling and command line arguments processing.
	///
	/// Try SampleApp --help (on Unix platforms) or SampleApp /help (elsewhere) for
	/// more information.
{
public:
	SampleApp(): _helpRequested(false)
	{
	}

protected:	
	void initialize(const Application& self)
	{
		Application::initialize(self);
		// add your own initialization code here
		loadConfiguration(); // load default configuration files, if present
	}
	
	void uninitialize()
	{
		// add your own uninitialization code here
		Application::uninitialize();
	}
	
	void reinitialize(const Application& self)
	{
		Application::reinitialize(self);
		// add your own reinitialization code here
	}
	
	void defineOptions(OptionSet& options)
	{
		options.addOption(
			Option("help", "h", "display help information on command line arguments")
				.required(false)
				.repeatable(false));

		options.addOption(
			Option("define", "D", "define a configuration property")
				.required(false)
				.repeatable(true)
				.argument("name=value"));
				
		options.addOption(
			Option("config-file", "f", "load configuration data from a file")
				.required(false)
				.repeatable(true)
				.argument("file"));
	}
	
	void handleOption(const std::string& name, const std::string& value)
	{
		if (name == "help")
			_helpRequested = true;
		else if (name == "define")
			defineProperty(value);
		else if (name == "config-file")
			loadConfiguration(value);
	}
	
	void displayHelp()
	{
		HelpFormatter helpFormatter(options());
		helpFormatter.setCommand(commandName());
		helpFormatter.setUsage("OPTIONS");
		helpFormatter.setHeader("A sample application that demonstrates some of the features of the Util::Application class.");
		helpFormatter.format(std::cout);
	}
	
	void defineProperty(const std::string& def)
	{
		std::string name;
		std::string value;
		std::string::size_type pos = def.find('=');
		if (pos != std::string::npos)
		{
			name.assign(def, 0, pos);
			value.assign(def, pos + 1, def.length() - pos);
		}
		else name = def;
		config().setString(name, value);
	}

	int main(const std::vector<std::string>& args)
	{
		if (_helpRequested)
		{
			displayHelp();
		}
		else
		{
			logger().information("Arguments to main():");
			for (std::vector<std::string>::const_iterator it = args.begin(); it != args.end(); ++it)
			{
				logger().information(*it);
			}
			logger().information("Application properties:");
			printProperties("");
		}
		
		return Application::EXIT_OK;
	}
	
	void printProperties(const std::string& base)
	{
		AbstractConfiguration::Keys keys;
		config().keys(base, keys);
		if (keys.empty())
		{
			if (config().hasProperty(base))
			{
				std::string msg;
				msg.append(base);
				msg.append(" = ");
				msg.append(config().getString(base));
				logger().information(msg);
			}
		}
		else
		{
			for (AbstractConfiguration::Keys::const_iterator it = keys.begin(); it != keys.end(); ++it)
			{
				std::string fullKey = base;
				if (!fullKey.empty()) fullKey += '.';
				fullKey.append(*it);
				printProperties(fullKey);
			}
		}
	}

private:
	bool _helpRequested;
};


int main(int argc, char** argv)
{
	AutoPtr<SampleApp> pApp = new SampleApp;
	try
	{
		pApp->init(argc, argv);
	}
	catch (Foundation::Exception& exc)
	{
		pApp->logger().log(exc);
		return Application::EXIT_CONFIG;
	}
	return pApp->run();
}