/usr/include/camp/value.inl is in libcamp0.7-dev 0.7.1.1-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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**
** Copyright (C) 2009-2010 TECHNOGERMA Systems France and/or its subsidiary(-ies).
** Contact: Technogerma Systems France Information (contact@technogerma.fr)
**
** This file is part of the CAMP library.
**
** CAMP is free software: you can redistribute it and/or modify
** it under the terms of the GNU Lesser General Public License as published by
** the Free Software Foundation, either version 3 of the License, or
** (at your option) any later version.
**
** CAMP is distributed in the hope that it will be useful,
** but WITHOUT ANY WARRANTY; without even the implied warranty of
** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
** GNU Lesser General Public License for more details.
**
** You should have received a copy of the GNU Lesser General Public License
** along with CAMP. If not, see <http://www.gnu.org/licenses/>.
**
****************************************************************************/
namespace camp
{
namespace detail
{
/**
* \brief Helper structure allowing a shortcut when converting a camp::Value to camp::Value
*/
template <typename T>
struct ValueTo
{
static T convert(const Value& value) {return value.visit(ConvertVisitor<T>());}
};
template <>
struct ValueTo<Value>
{
static Value convert(const Value& value) {return value;}
};
} // namespace detail
//-------------------------------------------------------------------------------------------------
template <typename T>
Value::Value(const T& val)
: m_value(camp_ext::ValueMapper<T>::to(val))
, m_type(mapType<T>())
{
}
//-------------------------------------------------------------------------------------------------
template <typename T>
T Value::to() const
{
try
{
return detail::ValueTo<T>::convert(*this);
}
catch (boost::bad_lexical_cast&)
{
CAMP_ERROR(BadType(type(), mapType<T>()));
}
}
//-------------------------------------------------------------------------------------------------
template <typename T>
Value::operator T() const
{
return to<T>();
}
//-------------------------------------------------------------------------------------------------
template <typename T>
bool Value::isCompatible() const
{
try
{
to<T>();
return true;
}
catch (std::exception&)
{
return false;
}
}
//-------------------------------------------------------------------------------------------------
template <typename T>
typename T::result_type Value::visit(T visitor) const
{
return boost::apply_visitor(visitor, m_value);
}
//-------------------------------------------------------------------------------------------------
template <typename T>
typename T::result_type Value::visit(T visitor, const Value& other) const
{
return boost::apply_visitor(visitor, m_value, other.m_value);
}
} // namespace camp
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