Chris@16: // ----------------------------------------------------------------------------
Chris@16: // Copyright (C) 2002-2006 Marcin Kalicinski
Chris@16: // Copyright (C) 2009 Sebastian Redl
Chris@16: //
Chris@16: // Distributed under the Boost Software License, Version 1.0. 
Chris@16: // (See accompanying file LICENSE_1_0.txt or copy at 
Chris@16: // http://www.boost.org/LICENSE_1_0.txt)
Chris@16: //
Chris@16: // For more information, see www.boost.org
Chris@16: // ----------------------------------------------------------------------------
Chris@16: 
Chris@16: #ifndef BOOST_PROPERTY_TREE_EXCEPTIONS_HPP_INCLUDED
Chris@16: #define BOOST_PROPERTY_TREE_EXCEPTIONS_HPP_INCLUDED
Chris@16: 
Chris@16: #include <boost/property_tree/ptree_fwd.hpp>
Chris@16: 
Chris@16: #include <boost/any.hpp>
Chris@16: #include <string>
Chris@16: #include <stdexcept>
Chris@16: 
Chris@16: namespace boost { namespace property_tree
Chris@16: {
Chris@16: 
Chris@16:     /// Base class for all property tree errors. Derives from
Chris@16:     /// @c std::runtime_error. Call member function @c what to get human
Chris@16:     /// readable message associated with the error.
Chris@16:     class ptree_error : public std::runtime_error
Chris@16:     {
Chris@16:     public:
Chris@16:         /// Instantiate a ptree_error instance with the given message.
Chris@16:         /// @param what The message to associate with this error.
Chris@16:         ptree_error(const std::string &what);
Chris@16: 
Chris@16:         ~ptree_error() throw();
Chris@16:     };
Chris@16: 
Chris@16: 
Chris@16:     /// Error indicating that translation from given value to the property tree
Chris@16:     /// data_type (or vice versa) failed. Derives from ptree_error.
Chris@16:     class ptree_bad_data : public ptree_error
Chris@16:     {
Chris@16:     public:
Chris@16:         /// Instantiate a ptree_bad_data instance with the given message and
Chris@16:         /// data.
Chris@16:         /// @param what The message to associate with this error.
Chris@16:         /// @param data The value associated with this error that was the source
Chris@16:         ///             of the translation failure.
Chris@16:         template<class T> ptree_bad_data(const std::string &what,
Chris@16:                                          const T &data);
Chris@16: 
Chris@16:         ~ptree_bad_data() throw();
Chris@16: 
Chris@16:         /// Retrieve the data associated with this error. This is the source
Chris@16:         /// value that failed to be translated. You need to explicitly
Chris@16:         /// specify its type.
Chris@16:         template<class T> T data() const;
Chris@16:     private:
Chris@16:         boost::any m_data;
Chris@16:     };
Chris@16: 
Chris@16: 
Chris@16:     /// Error indicating that specified path does not exist. Derives from
Chris@16:     /// ptree_error.
Chris@16:     class ptree_bad_path : public ptree_error
Chris@16:     {
Chris@16:     public:
Chris@16:         /// Instantiate a ptree_bad_path with the given message and path data.
Chris@16:         /// @param what The message to associate with this error.
Chris@16:         /// @param path The path that could not be found in the property_tree.
Chris@16:         template<class T> ptree_bad_path(const std::string &what,
Chris@16:                                          const T &path);
Chris@16: 
Chris@16:         ~ptree_bad_path() throw();
Chris@16: 
Chris@16:         /// Retrieve the invalid path. You need to explicitly specify the
Chris@16:         /// type of path.
Chris@16:         template<class T> T path() const;
Chris@16:     private:
Chris@16:         boost::any m_path;
Chris@16:     };
Chris@16: 
Chris@16: }}
Chris@16: 
Chris@16: #include <boost/property_tree/detail/exception_implementation.hpp>
Chris@16: 
Chris@16: #endif