/Src/Dependencies/Boost/boost/property_tree/exceptions.hpp

 1// ----------------------------------------------------------------------------
 2// Copyright (C) 2002-2006 Marcin Kalicinski
 3// Copyright (C) 2009 Sebastian Redl
 4//
 5// Distributed under the Boost Software License, Version 1.0. 
 6// (See accompanying file LICENSE_1_0.txt or copy at 
 7// http://www.boost.org/LICENSE_1_0.txt)
 8//
 9// For more information, see www.boost.org
10// ----------------------------------------------------------------------------
11
12#ifndef BOOST_PROPERTY_TREE_EXCEPTIONS_HPP_INCLUDED
13#define BOOST_PROPERTY_TREE_EXCEPTIONS_HPP_INCLUDED
14
15#include <boost/property_tree/ptree_fwd.hpp>
16
17#include <boost/any.hpp>
18#include <string>
19#include <stdexcept>
20
21namespace boost { namespace property_tree
22{
23
24    /// Base class for all property tree errors. Derives from
25    /// @c std::runtime_error. Call member function @c what to get human
26    /// readable message associated with the error.
27    class ptree_error : public std::runtime_error
28    {
29    public:
30        /// Instantiate a ptree_error instance with the given message.
31        /// @param what The message to associate with this error.
32        ptree_error(const std::string &what);
33
34        ~ptree_error() throw();
35    };
36
37
38    /// Error indicating that translation from given value to the property tree
39    /// data_type (or vice versa) failed. Derives from ptree_error.
40    class ptree_bad_data : public ptree_error
41    {
42    public:
43        /// Instantiate a ptree_bad_data instance with the given message and
44        /// data.
45        /// @param what The message to associate with this error.
46        /// @param data The value associated with this error that was the source
47        ///             of the translation failure.
48        template<class T> ptree_bad_data(const std::string &what,
49                                         const T &data);
50
51        ~ptree_bad_data() throw();
52
53        /// Retrieve the data associated with this error. This is the source
54        /// value that failed to be translated.
55        template<class T> T data();
56    private:
57        boost::any m_data;
58    };
59
60
61    /// Error indicating that specified path does not exist. Derives from
62    /// ptree_error.
63    class ptree_bad_path : public ptree_error
64    {
65    public:
66        /// Instantiate a ptree_bad_path with the given message and path data.
67        /// @param what The message to associate with this error.
68        /// @param path The path that could not be found in the property_tree.
69        template<class T> ptree_bad_path(const std::string &what,
70                                         const T &path);
71
72        ~ptree_bad_path() throw();
73
74        /// Retrieve the invalid path.
75        template<class T> T path();
76    private:
77        boost::any m_path;
78    };
79
80}}
81
82#include <boost/property_tree/detail/exception_implementation.hpp>
83
84#endif