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// ----------------------------------------------------------------------------
// Copyright (C) 2002-2006 Marcin Kalicinski
// Copyright (C) 2009 Sebastian Redl
//
// Distributed under the Boost Software License, Version 1.0.
// (See accompanying file LICENSE_1_0.txt or copy at
// http://www.boost.org/LICENSE_1_0.txt)
//
// For more information, see www.boost.org
// ----------------------------------------------------------------------------
#ifndef BOOST_PROPERTY_TREE_EXCEPTIONS_HPP_INCLUDED
#define BOOST_PROPERTY_TREE_EXCEPTIONS_HPP_INCLUDED
#include <boost/property_tree/ptree_fwd.hpp>
#include <boost/any.hpp>
#include <string>
#include <stdexcept>
namespace boost { namespace property_tree
{
/// Base class for all property tree errors. Derives from
/// @c std::runtime_error. Call member function @c what to get human
/// readable message associated with the error.
class ptree_error : public std::runtime_error
{
public:
/// Instantiate a ptree_error instance with the given message.
/// @param what The message to associate with this error.
ptree_error(const std::string &what);
~ptree_error() throw();
};
/// Error indicating that translation from given value to the property tree
/// data_type (or vice versa) failed. Derives from ptree_error.
class ptree_bad_data : public ptree_error
{
public:
/// Instantiate a ptree_bad_data instance with the given message and
/// data.
/// @param what The message to associate with this error.
/// @param data The value associated with this error that was the source
/// of the translation failure.
template<class T> ptree_bad_data(const std::string &what,
const T &data);
~ptree_bad_data() throw();
/// Retrieve the data associated with this error. This is the source
/// value that failed to be translated.
template<class T> T data();
private:
boost::any m_data;
};
/// Error indicating that specified path does not exist. Derives from
/// ptree_error.
class ptree_bad_path : public ptree_error
{
public:
/// Instantiate a ptree_bad_path with the given message and path data.
/// @param what The message to associate with this error.
/// @param path The path that could not be found in the property_tree.
template<class T> ptree_bad_path(const std::string &what,
const T &path);
~ptree_bad_path() throw();
/// Retrieve the invalid path.
template<class T> T path();
private:
boost::any m_path;
};
}}
#include <boost/property_tree/detail/exception_implementation.hpp>
#endif
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