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150 lines
3.7 KiB
C++
150 lines
3.7 KiB
C++
//
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// FilesystemConfiguration.cpp
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//
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// $Id: //poco/Main/Util/src/FilesystemConfiguration.cpp#8 $
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//
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// Library: Util
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// Package: Configuration
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// Module: FilesystemConfiguration
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//
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// Copyright (c) 2004-2006, Applied Informatics Software Engineering GmbH.
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// and Contributors.
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//
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// Permission is hereby granted, free of charge, to any person or organization
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// obtaining a copy of the software and accompanying documentation covered by
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// this license (the "Software") to use, reproduce, display, distribute,
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// execute, and transmit the Software, and to prepare derivative works of the
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// Software, and to permit third-parties to whom the Software is furnished to
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// do so, all subject to the following:
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//
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// The copyright notices in the Software and this entire statement, including
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// the above license grant, this restriction and the following disclaimer,
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// must be included in all copies of the Software, in whole or in part, and
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// all derivative works of the Software, unless such copies or derivative
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// works are solely in the form of machine-executable object code generated by
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// a source language processor.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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// FITNESS FOR A PARTICULAR PURPOSE, TITLE AND NON-INFRINGEMENT. IN NO EVENT
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// SHALL THE COPYRIGHT HOLDERS OR ANYONE DISTRIBUTING THE SOFTWARE BE LIABLE
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// FOR ANY DAMAGES OR OTHER LIABILITY, WHETHER IN CONTRACT, TORT OR OTHERWISE,
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// ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
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// DEALINGS IN THE SOFTWARE.
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//
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#include "Poco/Util/FilesystemConfiguration.h"
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#include "Poco/File.h"
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#include "Poco/Path.h"
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#include "Poco/DirectoryIterator.h"
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#include "Poco/StringTokenizer.h"
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#include "Poco/FileStream.h"
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using Poco::Path;
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using Poco::File;
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using Poco::DirectoryIterator;
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using Poco::StringTokenizer;
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namespace Poco {
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namespace Util {
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FilesystemConfiguration::FilesystemConfiguration(const std::string& path):
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_path(path)
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{
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_path.makeDirectory();
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}
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FilesystemConfiguration::~FilesystemConfiguration()
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{
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}
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void FilesystemConfiguration::clear()
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{
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File regDir(_path);
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regDir.remove(true);
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}
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bool FilesystemConfiguration::getRaw(const std::string& key, std::string& value) const
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{
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Path p(keyToPath(key));
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p.setFileName("data");
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File f(p);
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if (f.exists())
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{
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value.reserve((std::string::size_type) f.getSize());
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Poco::FileInputStream istr(p.toString());
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int c = istr.get();
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while (c != std::char_traits<char>::eof())
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{
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value += (char) c;
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c = istr.get();
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}
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return true;
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}
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else return false;
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}
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void FilesystemConfiguration::setRaw(const std::string& key, const std::string& value)
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{
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Path p(keyToPath(key));
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File dir(p);
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dir.createDirectories();
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p.setFileName("data");
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Poco::FileOutputStream ostr(p.toString());
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ostr.write(value.data(), (std::streamsize) value.length());
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}
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void FilesystemConfiguration::enumerate(const std::string& key, Keys& range) const
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{
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Path p(keyToPath(key));
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File dir(p);
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if (!dir.exists())
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{
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return;
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}
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DirectoryIterator it(p);
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DirectoryIterator end;
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while (it != end)
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{
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if (it->isDirectory())
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range.push_back(it.name());
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++it;
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}
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}
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void FilesystemConfiguration::removeRaw(const std::string& key)
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{
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Path p(keyToPath(key));
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File dir(p);
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if (dir.exists())
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{
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dir.remove(true);
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}
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}
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Path FilesystemConfiguration::keyToPath(const std::string& key) const
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{
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Path result(_path);
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StringTokenizer tokenizer(key, ".", StringTokenizer::TOK_IGNORE_EMPTY | StringTokenizer::TOK_TRIM);
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for (StringTokenizer::Iterator it = tokenizer.begin(); it != tokenizer.end(); ++it)
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{
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result.pushDirectory(*it);
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}
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return result;
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}
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} } // namespace Poco::Util
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