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Aleksandar Fabijanic
2012-04-23 00:43:14 +00:00
parent 2ce14cafb5
commit f9b60296f7
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Util/samples/SampleApp/src/SampleApp.cpp
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//
// SampleApp.cpp
//
// $Id: //poco/svn/Util/samples/SampleApp/src/SampleApp.cpp#1 $
//
// This sample demonstrates the Application class.
//
// Copyright (c) 2004-2006, Applied Informatics Software Engineering GmbH.
// and Contributors.
//
// Permission is hereby granted, free of charge, to any person or organization
// obtaining a copy of the software and accompanying documentation covered by
// this license (the "Software") to use, reproduce, display, distribute,
// execute, and transmit the Software, and to prepare derivative works of the
// Software, and to permit third-parties to whom the Software is furnished to
// do so, all subject to the following:
//
// The copyright notices in the Software and this entire statement, including
// the above license grant, this restriction and the following disclaimer,
// must be included in all copies of the Software, in whole or in part, and
// all derivative works of the Software, unless such copies or derivative
// works are solely in the form of machine-executable object code generated by
// a source language processor.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE, TITLE AND NON-INFRINGEMENT. IN NO EVENT
// SHALL THE COPYRIGHT HOLDERS OR ANYONE DISTRIBUTING THE SOFTWARE BE LIABLE
// FOR ANY DAMAGES OR OTHER LIABILITY, WHETHER IN CONTRACT, TORT OR OTHERWISE,
// ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
// DEALINGS IN THE SOFTWARE.
//
#include "Poco/Util/Application.h"
#include "Poco/Util/Option.h"
#include "Poco/Util/OptionSet.h"
#include "Poco/Util/HelpFormatter.h"
#include "Poco/Util/AbstractConfiguration.h"
#include "Poco/AutoPtr.h"
#include <iostream>
using Poco::Util::Application;
using Poco::Util::Option;
using Poco::Util::OptionSet;
using Poco::Util::HelpFormatter;
using Poco::Util::AbstractConfiguration;
using Poco::Util::OptionCallback;
using Poco::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(Application& self)
{
loadConfiguration(); // load default configuration files, if present
Application::initialize(self);
// add your own initialization code here
}
void uninitialize()
{
// add your own uninitialization code here
Application::uninitialize();
}
void reinitialize(Application& self)
{
Application::reinitialize(self);
// add your own reinitialization code here
}
void defineOptions(OptionSet& options)
{
Application::defineOptions(options);
options.addOption(
Option("help", "h", "display help information on command line arguments")
.required(false)
.repeatable(false)
.callback(OptionCallback<SampleApp>(this, &SampleApp::handleHelp)));
options.addOption(
Option("define", "D", "define a configuration property")
.required(false)
.repeatable(true)
.argument("name=value")
.callback(OptionCallback<SampleApp>(this, &SampleApp::handleDefine)));
options.addOption(
Option("config-file", "f", "load configuration data from a file")
.required(false)
.repeatable(true)
.argument("file")
.callback(OptionCallback<SampleApp>(this, &SampleApp::handleConfig)));
options.addOption(
Option("bind", "b", "bind option value to test.property")
.required(false)
.repeatable(false)
.argument("value")
.binding("test.property"));
}
void handleHelp(const std::string& name, const std::string& value)
{
_helpRequested = true;
displayHelp();
stopOptionsProcessing();
}
void handleDefine(const std::string& name, const std::string& value)
{
defineProperty(value);
}
void handleConfig(const std::string& name, const std::string& value)
{
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 Poco::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)
{
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;
};
POCO_APP_MAIN(SampleApp)