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//
// FilesystemConfiguration.cpp
//
// Library: Util
// Package: Configuration
// Module: FilesystemConfiguration
//
// Copyright (c) 2004-2006, Applied Informatics Software Engineering GmbH.
// and Contributors.
//
// SPDX-License-Identifier: BSL-1.0
//
#include "Poco/Util/FilesystemConfiguration.h"
#include "Poco/File.h"
#include "Poco/Path.h"
#include "Poco/DirectoryIterator.h"
#include "Poco/StringTokenizer.h"
#include "Poco/FileStream.h"
using Poco::Path;
using Poco::File;
using Poco::DirectoryIterator;
using Poco::StringTokenizer;
namespace Poco {
namespace Util {
FilesystemConfiguration::FilesystemConfiguration(const std::string& path):
_path(path)
{
_path.makeDirectory();
}
FilesystemConfiguration::~FilesystemConfiguration()
{
}
void FilesystemConfiguration::clear()
{
File regDir(_path);
regDir.remove(true);
}
bool FilesystemConfiguration::getRaw(const std::string& key, std::string& value) const
{
Path p(keyToPath(key));
p.setFileName("data");
File f(p);
if (f.exists())
{
value.reserve((std::string::size_type) f.getSize());
Poco::FileInputStream istr(p.toString());
int c = istr.get();
while (c != std::char_traits<char>::eof())
{
value += (char) c;
c = istr.get();
}
return true;
}
else return false;
}
void FilesystemConfiguration::setRaw(const std::string& key, const std::string& value)
{
Path p(keyToPath(key));
File dir(p);
dir.createDirectories();
p.setFileName("data");
Poco::FileOutputStream ostr(p.toString());
ostr.write(value.data(), (std::streamsize) value.length());
}
void FilesystemConfiguration::enumerate(const std::string& key, Keys& range) const
{
Path p(keyToPath(key));
File dir(p);
if (!dir.exists())
{
return;
}
DirectoryIterator it(p);
DirectoryIterator end;
while (it != end)
{
if (it->isDirectory())
range.push_back(it.name());
++it;
}
}
void FilesystemConfiguration::removeRaw(const std::string& key)
{
Path p(keyToPath(key));
File dir(p);
if (dir.exists())
{
dir.remove(true);
}
}
Path FilesystemConfiguration::keyToPath(const std::string& key) const
{
Path result(_path);
StringTokenizer tokenizer(key, ".", StringTokenizer::TOK_IGNORE_EMPTY | StringTokenizer::TOK_TRIM);
for (StringTokenizer::Iterator it = tokenizer.begin(); it != tokenizer.end(); ++it)
{
result.pushDirectory(*it);
}
return result;
}
} } // namespace Poco::Util
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