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//
// AbstractConfiguration.cpp
//
// $Id: //poco/1.4/Util/src/AbstractConfiguration.cpp#2 $
//
// Library: Util
// Package: Configuration
// Module: AbstractConfiguration
//
// Copyright (c) 2004-2006, Applied Informatics Software Engineering GmbH.
// and Contributors.
//
// SPDX-License-Identifier: BSL-1.0
//
#include "Poco/Util/AbstractConfiguration.h"
#include "Poco/Util/ConfigurationView.h"
#include "Poco/Exception.h"
#include "Poco/NumberParser.h"
#include "Poco/NumberFormatter.h"
#include "Poco/String.h"
using Poco::Mutex;
using Poco::NotFoundException;
using Poco::SyntaxException;
using Poco::CircularReferenceException;
using Poco::NumberParser;
using Poco::NumberFormatter;
using Poco::icompare;
namespace Poco {
namespace Util {
AbstractConfiguration::AbstractConfiguration():
_depth(0),
_eventsEnabled(true)
{
}
AbstractConfiguration::~AbstractConfiguration()
{
}
bool AbstractConfiguration::hasProperty(const std::string& key) const
{
Mutex::ScopedLock lock(_mutex);
std::string value;
return getRaw(key, value);
}
bool AbstractConfiguration::hasOption(const std::string& key) const
{
return hasProperty(key);
}
bool AbstractConfiguration::has(const std::string& key) const
{
return hasProperty(key);
}
std::string AbstractConfiguration::getString(const std::string& key) const
{
Mutex::ScopedLock lock(_mutex);
std::string value;
if (getRaw(key, value))
return internalExpand(value);
else
throw NotFoundException(key);
}
std::string AbstractConfiguration::getString(const std::string& key, const std::string& defaultValue) const
{
Mutex::ScopedLock lock(_mutex);
std::string value;
if (getRaw(key, value))
return internalExpand(value);
else
return defaultValue;
}
std::string AbstractConfiguration::getRawString(const std::string& key) const
{
Mutex::ScopedLock lock(_mutex);
std::string value;
if (getRaw(key, value))
return value;
else
throw NotFoundException(key);
}
std::string AbstractConfiguration::getRawString(const std::string& key, const std::string& defaultValue) const
{
Mutex::ScopedLock lock(_mutex);
std::string value;
if (getRaw(key, value))
return value;
else
return defaultValue;
}
int AbstractConfiguration::getInt(const std::string& key) const
{
Mutex::ScopedLock lock(_mutex);
std::string value;
if (getRaw(key, value))
return parseInt(internalExpand(value));
else
throw NotFoundException(key);
}
int AbstractConfiguration::getInt(const std::string& key, int defaultValue) const
{
Mutex::ScopedLock lock(_mutex);
std::string value;
if (getRaw(key, value))
return parseInt(internalExpand(value));
else
return defaultValue;
}
unsigned AbstractConfiguration::getUInt(const std::string& key) const
{
Mutex::ScopedLock lock(_mutex);
std::string value;
if (getRaw(key, value))
return NumberParser::parseUnsigned(internalExpand(value));
else
throw NotFoundException(key);
}
unsigned AbstractConfiguration::getUInt(const std::string& key, unsigned defaultValue) const
{
Mutex::ScopedLock lock(_mutex);
std::string value;
if (getRaw(key, value))
return NumberParser::parseUnsigned(internalExpand(value));
else
return defaultValue;
}
#if defined(POCO_HAVE_INT64)
Int64 AbstractConfiguration::getInt64(const std::string& key) const
{
Mutex::ScopedLock lock(_mutex);
std::string value;
if (getRaw(key, value))
return NumberParser::parse64(internalExpand(value));
else
throw NotFoundException(key);
}
Int64 AbstractConfiguration::getInt64(const std::string& key, Int64 defaultValue) const
{
Mutex::ScopedLock lock(_mutex);
std::string value;
if (getRaw(key, value))
return NumberParser::parse64(internalExpand(value));
else
return defaultValue;
}
UInt64 AbstractConfiguration::getUInt64(const std::string& key) const
{
Mutex::ScopedLock lock(_mutex);
std::string value;
if (getRaw(key, value))
return NumberParser::parseUnsigned64(internalExpand(value));
else
throw NotFoundException(key);
}
UInt64 AbstractConfiguration::getUInt64(const std::string& key, UInt64 defaultValue) const
{
Mutex::ScopedLock lock(_mutex);
std::string value;
if (getRaw(key, value))
return NumberParser::parseUnsigned64(internalExpand(value));
else
return defaultValue;
}
#endif // defined(POCO_HAVE_INT64)
double AbstractConfiguration::getDouble(const std::string& key) const
{
Mutex::ScopedLock lock(_mutex);
std::string value;
if (getRaw(key, value))
return NumberParser::parseFloat(internalExpand(value));
else
throw NotFoundException(key);
}
double AbstractConfiguration::getDouble(const std::string& key, double defaultValue) const
{
Mutex::ScopedLock lock(_mutex);
std::string value;
if (getRaw(key, value))
return NumberParser::parseFloat(internalExpand(value));
else
return defaultValue;
}
bool AbstractConfiguration::getBool(const std::string& key) const
{
Mutex::ScopedLock lock(_mutex);
std::string value;
if (getRaw(key, value))
return parseBool(internalExpand(value));
else
throw NotFoundException(key);
}
bool AbstractConfiguration::getBool(const std::string& key, bool defaultValue) const
{
Mutex::ScopedLock lock(_mutex);
std::string value;
if (getRaw(key, value))
return parseBool(internalExpand(value));
else
return defaultValue;
}
void AbstractConfiguration::setString(const std::string& key, const std::string& value)
{
setRawWithEvent(key, value);
}
void AbstractConfiguration::setInt(const std::string& key, int value)
{
setRawWithEvent(key, NumberFormatter::format(value));
}
void AbstractConfiguration::setUInt(const std::string& key, unsigned int value)
{
setRawWithEvent(key, NumberFormatter::format(value));
}
#if defined(POCO_HAVE_INT64)
void AbstractConfiguration::setInt64(const std::string& key, Int64 value)
{
Mutex::ScopedLock lock(_mutex);
setRawWithEvent(key, NumberFormatter::format(value));
}
void AbstractConfiguration::setUInt64(const std::string& key, UInt64 value)
{
Mutex::ScopedLock lock(_mutex);
setRawWithEvent(key, NumberFormatter::format(value));
}
#endif // defined(POCO_HAVE_INT64)
void AbstractConfiguration::setDouble(const std::string& key, double value)
{
setRawWithEvent(key, NumberFormatter::format(value));
}
void AbstractConfiguration::setBool(const std::string& key, bool value)
{
setRawWithEvent(key, value ? "true" : "false");
}
void AbstractConfiguration::keys(Keys& range) const
{
Mutex::ScopedLock lock(_mutex);
std::string key;
range.clear();
enumerate(key, range);
}
void AbstractConfiguration::keys(const std::string& key, Keys& range) const
{
Mutex::ScopedLock lock(_mutex);
range.clear();
enumerate(key, range);
}
const AbstractConfiguration* AbstractConfiguration::createView(const std::string& prefix) const
{
return new ConfigurationView(prefix, const_cast<AbstractConfiguration*>(this));
}
AbstractConfiguration* AbstractConfiguration::createView(const std::string& prefix)
{
return new ConfigurationView(prefix, this);
}
namespace
{
class AutoCounter
{
public:
AutoCounter(int& count): _count(count)
{
++_count;
}
~AutoCounter()
{
--_count;
}
private:
int& _count;
};
}
std::string AbstractConfiguration::expand(const std::string& value) const
{
Mutex::ScopedLock lock(_mutex);
return internalExpand(value);
}
void AbstractConfiguration::remove(const std::string& key)
{
if (_eventsEnabled)
{
propertyRemoving(this, key);
}
{
Mutex::ScopedLock lock(_mutex);
removeRaw(key);
}
if (_eventsEnabled)
{
propertyRemoved(this, key);
}
}
void AbstractConfiguration::enableEvents(bool enable)
{
_eventsEnabled = enable;
}
bool AbstractConfiguration::eventsEnabled() const
{
return _eventsEnabled;
}
void AbstractConfiguration::removeRaw(const std::string& key)
{
throw Poco::NotImplementedException("removeRaw()");
}
std::string AbstractConfiguration::internalExpand(const std::string& value) const
{
AutoCounter counter(_depth);
if (_depth > 10) throw CircularReferenceException("Too many property references encountered");
return uncheckedExpand(value);
}
std::string AbstractConfiguration::uncheckedExpand(const std::string& value) const
{
std::string result;
std::string::const_iterator it = value.begin();
std::string::const_iterator end = value.end();
while (it != end)
{
if (*it == '$')
{
++it;
if (it != end && *it == '{')
{
++it;
std::string prop;
while (it != end && *it != '}') prop += *it++;
if (it != end) ++it;
std::string value;
if (getRaw(prop, value))
{
result.append(internalExpand(value));
}
else
{
result.append("${");
result.append(prop);
result.append("}");
}
}
else result += '$';
}
else result += *it++;
}
return result;
}
int AbstractConfiguration::parseInt(const std::string& value)
{
if ((value.compare(0, 2, "0x") == 0) || (value.compare(0, 2, "0X") == 0))
return NumberParser::parseHex(value);
else
return NumberParser::parse(value);
}
int AbstractConfiguration::parseUInt(const std::string& value)
{
if ((value.compare(0, 2, "0x") == 0) || (value.compare(0, 2, "0X") == 0))
return NumberParser::parseHex(value);
else
return NumberParser::parseUnsigned(value);
}
Int64 AbstractConfiguration::parseInt64(const std::string& value)
{
if ((value.compare(0, 2, "0x") == 0) || (value.compare(0, 2, "0X") == 0))
return NumberParser::parseHex64(value);
else
return NumberParser::parse64(value);
}
UInt64 AbstractConfiguration::parseUInt64(const std::string& value)
{
if ((value.compare(0, 2, "0x") == 0) || (value.compare(0, 2, "0X") == 0))
return NumberParser::parseHex64(value);
else
return NumberParser::parseUnsigned64(value);
}
bool AbstractConfiguration::parseBool(const std::string& value)
{
int n;
if (NumberParser::tryParse(value, n))
return n != 0;
else if (icompare(value, "true") == 0)
return true;
else if (icompare(value, "yes") == 0)
return true;
else if (icompare(value, "on") == 0)
return true;
else if (icompare(value, "false") == 0)
return false;
else if (icompare(value, "no") == 0)
return false;
else if (icompare(value, "off") == 0)
return false;
else
throw SyntaxException("Cannot convert to boolean", value);
}
void AbstractConfiguration::setRawWithEvent(const std::string& key, std::string value)
{
KeyValue kv(key, value);
if (_eventsEnabled)
{
propertyChanging(this, kv);
}
{
Mutex::ScopedLock lock(_mutex);
setRaw(key, value);
}
if (_eventsEnabled)
{
propertyChanged(this, kv);
}
}
} } // namespace Poco::Util