mirror of
https://github.com/pocoproject/poco.git
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371 lines
8.3 KiB
C++
371 lines
8.3 KiB
C++
//
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// AbstractConfiguration.cpp
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//
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// $Id: //poco/1.2/Util/src/AbstractConfiguration.cpp#1 $
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//
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// Library: Util
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// Package: Configuration
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// Module: AbstractConfiguration
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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/AbstractConfiguration.h"
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#include "Poco/Util/ConfigurationView.h"
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#include "Poco/Exception.h"
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#include "Poco/NumberParser.h"
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#include "Poco/NumberFormatter.h"
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#include "Poco/String.h"
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using Poco::FastMutex;
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using Poco::NotFoundException;
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using Poco::SyntaxException;
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using Poco::CircularReferenceException;
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using Poco::NumberParser;
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using Poco::NumberFormatter;
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using Poco::icompare;
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namespace Poco {
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namespace Util {
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AbstractConfiguration::AbstractConfiguration(): _depth(0)
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{
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}
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AbstractConfiguration::~AbstractConfiguration()
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{
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}
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bool AbstractConfiguration::hasProperty(const std::string& key) const
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{
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FastMutex::ScopedLock lock(_mutex);
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std::string value;
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return getRaw(key, value);
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}
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bool AbstractConfiguration::hasOption(const std::string& key) const
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{
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return hasProperty(key);
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}
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std::string AbstractConfiguration::getString(const std::string& key) const
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{
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FastMutex::ScopedLock lock(_mutex);
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std::string value;
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if (getRaw(key, value))
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return internalExpand(value);
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else
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throw NotFoundException(key);
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}
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std::string AbstractConfiguration::getString(const std::string& key, const std::string& defaultValue) const
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{
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FastMutex::ScopedLock lock(_mutex);
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std::string value;
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if (getRaw(key, value))
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return internalExpand(value);
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else
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return defaultValue;
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}
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std::string AbstractConfiguration::getRawString(const std::string& key) const
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{
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FastMutex::ScopedLock lock(_mutex);
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std::string value;
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if (getRaw(key, value))
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return value;
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else
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throw NotFoundException(key);
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}
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std::string AbstractConfiguration::getRawString(const std::string& key, const std::string& defaultValue) const
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{
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FastMutex::ScopedLock lock(_mutex);
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std::string value;
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if (getRaw(key, value))
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return value;
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else
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return defaultValue;
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}
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int AbstractConfiguration::getInt(const std::string& key) const
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{
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FastMutex::ScopedLock lock(_mutex);
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std::string value;
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if (getRaw(key, value))
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return parseInt(internalExpand(value));
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else
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throw NotFoundException(key);
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}
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int AbstractConfiguration::getInt(const std::string& key, int defaultValue) const
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{
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FastMutex::ScopedLock lock(_mutex);
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std::string value;
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if (getRaw(key, value))
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return parseInt(internalExpand(value));
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else
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return defaultValue;
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}
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double AbstractConfiguration::getDouble(const std::string& key) const
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{
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FastMutex::ScopedLock lock(_mutex);
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std::string value;
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if (getRaw(key, value))
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return NumberParser::parseFloat(internalExpand(value));
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else
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throw NotFoundException(key);
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}
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double AbstractConfiguration::getDouble(const std::string& key, double defaultValue) const
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{
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FastMutex::ScopedLock lock(_mutex);
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std::string value;
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if (getRaw(key, value))
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return NumberParser::parseFloat(internalExpand(value));
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else
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return defaultValue;
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}
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bool AbstractConfiguration::getBool(const std::string& key) const
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{
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FastMutex::ScopedLock lock(_mutex);
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std::string value;
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if (getRaw(key, value))
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return parseBool(internalExpand(value));
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else
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throw NotFoundException(key);
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}
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bool AbstractConfiguration::getBool(const std::string& key, bool defaultValue) const
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{
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FastMutex::ScopedLock lock(_mutex);
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std::string value;
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if (getRaw(key, value))
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return parseBool(internalExpand(value));
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else
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return defaultValue;
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}
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void AbstractConfiguration::setString(const std::string& key, const std::string& value)
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{
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FastMutex::ScopedLock lock(_mutex);
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setRaw(key, value);
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}
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void AbstractConfiguration::setInt(const std::string& key, int value)
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{
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FastMutex::ScopedLock lock(_mutex);
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setRaw(key, NumberFormatter::format(value));
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}
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void AbstractConfiguration::setDouble(const std::string& key, double value)
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{
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FastMutex::ScopedLock lock(_mutex);
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setRaw(key, NumberFormatter::format(value));
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}
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void AbstractConfiguration::setBool(const std::string& key, bool value)
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{
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FastMutex::ScopedLock lock(_mutex);
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setRaw(key, value ? "true" : "false");
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}
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void AbstractConfiguration::keys(Keys& range) const
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{
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FastMutex::ScopedLock lock(_mutex);
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std::string key;
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range.clear();
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enumerate(key, range);
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}
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void AbstractConfiguration::keys(const std::string& key, Keys& range) const
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{
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FastMutex::ScopedLock lock(_mutex);
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range.clear();
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enumerate(key, range);
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}
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const AbstractConfiguration* AbstractConfiguration::createView(const std::string& prefix) const
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{
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return new ConfigurationView(prefix, const_cast<AbstractConfiguration*>(this));
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}
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AbstractConfiguration* AbstractConfiguration::createView(const std::string& prefix)
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{
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return new ConfigurationView(prefix, this);
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}
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namespace
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{
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class AutoCounter
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{
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public:
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AutoCounter(int& count): _count(count)
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{
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++_count;
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}
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~AutoCounter()
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{
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--_count;
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}
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private:
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int& _count;
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};
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}
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std::string AbstractConfiguration::expand(const std::string& value) const
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{
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FastMutex::ScopedLock lock(_mutex);
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return internalExpand(value);
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}
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std::string AbstractConfiguration::internalExpand(const std::string& value) const
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{
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AutoCounter counter(_depth);
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if (_depth > 10) throw CircularReferenceException("Too many property references encountered");
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return uncheckedExpand(value);
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}
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std::string AbstractConfiguration::uncheckedExpand(const std::string& value) const
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{
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std::string result;
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std::string::const_iterator it = value.begin();
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std::string::const_iterator end = value.end();
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while (it != end)
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{
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if (*it == '$')
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{
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++it;
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if (it != end && *it == '{')
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{
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++it;
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std::string prop;
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while (it != end && *it != '}') prop += *it++;
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if (it != end) ++it;
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std::string value;
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if (getRaw(prop, value))
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{
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result.append(internalExpand(value));
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}
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else
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{
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result.append("${");
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result.append(prop);
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result.append("}");
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}
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}
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else result += *it++;
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}
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else result += *it++;
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}
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return result;
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}
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int AbstractConfiguration::parseInt(const std::string& value)
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{
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if (value.compare(0, 2, "0x") == 0)
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return NumberParser::parseHex(value.substr(2));
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else
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return NumberParser::parse(value);
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}
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bool AbstractConfiguration::parseBool(const std::string& value)
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{
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int n;
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if (NumberParser::tryParse(value, n))
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return n != 0;
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else if (icompare(value, "true") == 0)
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return true;
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else if (icompare(value, "yes") == 0)
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return true;
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else if (icompare(value, "on") == 0)
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return true;
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else if (icompare(value, "false") == 0)
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return false;
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else if (icompare(value, "no") == 0)
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return false;
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else if (icompare(value, "off") == 0)
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return false;
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else
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throw SyntaxException("Cannot convert to boolean", value);
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}
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} } // namespace Poco::Util
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