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//
// unzip.cpp
//
// $Id: //poco/1.4/Zip/samples/unzip/src/unzip.cpp#1 $
//
// This sample demonstrates the Decompress class.
//
// Copyright (c) 2007, Applied Informatics Software Engineering GmbH.
// and Contributors.
//
// SPDX-License-Identifier: BSL-1.0
//
#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 "Poco/Zip/Decompress.h"
#include "Poco/Zip/ZipLocalFileHeader.h"
#include "Poco/Zip/ZipArchive.h"
#include "Poco/Path.h"
#include "Poco/File.h"
#include "Poco/Delegate.h"
#include <iostream>
#include <fstream>
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::Zip::ZipLocalFileHeader;
using Poco::AutoPtr;
class DecompressHandler
{
public:
DecompressHandler()
{
}
~DecompressHandler()
{
}
void onError(const void*, std::pair<const ZipLocalFileHeader, const std::string>& info)
{
Poco::Util::Application::instance().logger().error("ERR: " + info.second);
}
void onOk(const void*, std::pair<const ZipLocalFileHeader, const Poco::Path>& info)
{
Poco::Util::Application::instance().logger().information("OK: " + info.second.toString(Poco::Path::PATH_UNIX));
}
};
class UnzipApp: 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 zip --help (on Unix platforms) or zip /help (elsewhere) for
/// more information.
{
public:
UnzipApp(): _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<UnzipApp>(this, &UnzipApp::handleHelp)));
options.addOption(
Option("file", "f", "specifies the input zip file")
.required(true)
.repeatable(false)
.argument("filename")
.callback(OptionCallback<UnzipApp>(this, &UnzipApp::handleFile)));
}
void handleHelp(const std::string& name, const std::string& value)
{
_helpRequested = true;
displayHelp();
stopOptionsProcessing();
}
void handleFile(const std::string& name, const std::string& value)
{
_zipFile = value;
}
void displayHelp()
{
HelpFormatter helpFormatter(options());
helpFormatter.setCommand(commandName());
helpFormatter.setUsage("OPTIONS outdir");
helpFormatter.setHeader("A application that demonstrates usage of Poco::Zip::Decompress class.");
helpFormatter.format(std::cout);
}
int main(const std::vector<std::string>& args)
{
if (!_helpRequested)
{
Poco::Path outputDir;
if (!args.empty())
outputDir.parseDirectory(args[0]);
std::ifstream in(_zipFile.c_str(), std::ios::binary);
Poco::Zip::Decompress c(in, outputDir);
DecompressHandler handler;
c.EError += Poco::Delegate<DecompressHandler, std::pair<const ZipLocalFileHeader, const std::string> >(&handler, &DecompressHandler::onError);
c.EOk +=Poco::Delegate<DecompressHandler, std::pair<const ZipLocalFileHeader, const Poco::Path> >(&handler, &DecompressHandler::onOk);
c.decompressAllFiles();
c.EError -= Poco::Delegate<DecompressHandler, std::pair<const ZipLocalFileHeader, const std::string> >(&handler, &DecompressHandler::onError);
c.EOk -=Poco::Delegate<DecompressHandler, std::pair<const ZipLocalFileHeader, const Poco::Path> >(&handler, &DecompressHandler::onOk);
}
return Application::EXIT_OK;
}
private:
bool _helpRequested;
std::string _zipFile;
};
POCO_APP_MAIN(UnzipApp)