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//
// LayeredConfiguration.cpp
//
// Library: Util
// Package: Configuration
// Module: LayeredConfiguration
//
// Copyright (c) 2004-2006, Applied Informatics Software Engineering GmbH.
// and Contributors.
//
// SPDX-License-Identifier: BSL-1.0
//
#include "Poco/Util/LayeredConfiguration.h"
#include "Poco/Exception.h"
#include <set>
using Poco::AutoPtr;
using Poco::RuntimeException;
namespace Poco {
namespace Util {
LayeredConfiguration::LayeredConfiguration()
{
}
LayeredConfiguration::~LayeredConfiguration()
{
}
void LayeredConfiguration::add(AbstractConfiguration* pConfig)
{
add(pConfig, highest(), false, true);
}
void LayeredConfiguration::add(AbstractConfiguration* pConfig, const std::string& label)
{
add(pConfig, label, highest(), false, true);
}
void LayeredConfiguration::add(AbstractConfiguration* pConfig, bool shared)
{
add(pConfig, highest(), false, shared);
}
void LayeredConfiguration::add(AbstractConfiguration* pConfig, const std::string& label, bool shared)
{
add(pConfig, label, highest(), false, shared);
}
void LayeredConfiguration::add(AbstractConfiguration* pConfig, int priority)
{
add(pConfig, priority, false, true);
}
void LayeredConfiguration::add(AbstractConfiguration* pConfig, const std::string& label, int priority)
{
add(pConfig, label, priority, false, true);
}
void LayeredConfiguration::add(AbstractConfiguration* pConfig, int priority, bool shared)
{
add(pConfig, priority, false, shared);
}
void LayeredConfiguration::add(AbstractConfiguration* pConfig, const std::string& label, int priority, bool shared)
{
add(pConfig, label, priority, false, shared);
}
void LayeredConfiguration::addFront(AbstractConfiguration* pConfig)
{
add(pConfig, lowest(), false, true);
}
void LayeredConfiguration::addFront(AbstractConfiguration* pConfig, bool shared)
{
add(pConfig, lowest(), false, shared);
}
void LayeredConfiguration::addWriteable(AbstractConfiguration* pConfig, int priority)
{
add(pConfig, priority, true, true);
}
void LayeredConfiguration::addWriteable(AbstractConfiguration* pConfig, int priority, bool shared)
{
add(pConfig, priority, true, shared);
}
void LayeredConfiguration::add(AbstractConfiguration* pConfig, int priority, bool writeable, bool shared)
{
add(pConfig, std::string(), priority, writeable, shared);
}
void LayeredConfiguration::add(AbstractConfiguration* pConfig, const std::string& label, int priority, bool writeable, bool shared)
{
ConfigItem item;
item.pConfig = ConfigPtr(pConfig, shared);
item.priority = priority;
item.writeable = writeable;
item.label = label;
ConfigList::iterator it = _configs.begin();
while (it != _configs.end() && it->priority < priority)
++it;
_configs.insert(it, item);
}
void LayeredConfiguration::removeConfiguration(AbstractConfiguration* pConfig)
{
for (ConfigList::iterator it = _configs.begin(); it != _configs.end(); ++it)
{
if (it->pConfig == pConfig)
{
_configs.erase(it);
break;
}
}
}
LayeredConfiguration::ConfigPtr LayeredConfiguration::find(const std::string& label) const
{
for (ConfigList::const_iterator it = _configs.begin(); it != _configs.end(); ++it)
{
if (it->label == label)
{
return it->pConfig;
}
}
return 0;
}
bool LayeredConfiguration::getRaw(const std::string& key, std::string& value) const
{
for (ConfigList::const_iterator it = _configs.begin(); it != _configs.end(); ++it)
{
if (it->pConfig->getRaw(key, value))
return true;
}
return false;
}
void LayeredConfiguration::setRaw(const std::string& key, const std::string& value)
{
for (ConfigList::iterator it = _configs.begin(); it != _configs.end(); ++it)
{
if (it->writeable)
{
it->pConfig->setRaw(key, value);
return;
}
}
throw RuntimeException("No writeable configuration object to store the property", key);
}
void LayeredConfiguration::enumerate(const std::string& key, Keys& range) const
{
std::set<std::string> keys;
for (ConfigList::const_iterator itc = _configs.begin(); itc != _configs.end(); ++itc)
{
Keys partRange;
itc->pConfig->enumerate(key, partRange);
for (Keys::const_iterator itr = partRange.begin(); itr != partRange.end(); ++itr)
{
if (keys.find(*itr) == keys.end())
{
range.push_back(*itr);
keys.insert(*itr);
}
}
}
}
void LayeredConfiguration::removeRaw(const std::string& key)
{
for (ConfigList::iterator it = _configs.begin(); it != _configs.end(); ++it)
{
if (it->writeable)
{
it->pConfig->remove(key);
return;
}
}
}
int LayeredConfiguration::lowest() const
{
if (_configs.empty())
return 0;
else
return _configs.front().priority - 1;
}
int LayeredConfiguration::highest() const
{
if (_configs.empty())
return 0;
else
return _configs.back().priority + 1;
}
} } // namespace Poco::Util
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