ceph/src/boost/libs/property_tree/include/boost/property_tree/detail/file_parser_error.hpp

   1 // ----------------------------------------------------------------------------
   2 // Copyright (C) 2002-2006 Marcin Kalicinski
   3 //
   4 // Distributed under the Boost Software License, Version 1.0.
   5 // (See accompanying file LICENSE_1_0.txt or copy at
   6 // http://www.boost.org/LICENSE_1_0.txt)
   7 //
   8 // For more information, see www.boost.org
   9 // ----------------------------------------------------------------------------
  10 #ifndef BOOST_PROPERTY_TREE_DETAIL_FILE_PARSER_ERROR_HPP_INCLUDED
  11 #define BOOST_PROPERTY_TREE_DETAIL_FILE_PARSER_ERROR_HPP_INCLUDED
  12
  13 #include <boost/property_tree/ptree.hpp>
  14 #include <string>
  15
  16 namespace boost { namespace property_tree
  17 {
  18
  19     //! File parse error
  20     class file_parser_error: public ptree_error
  21     {
  22
  23     public:
  24
  25         ///////////////////////////////////////////////////////////////////////
  26         // Construction & destruction
  27
  28         // Construct error
  29         file_parser_error(const std::string &msg,
  30                           const std::string &file,
  31                           unsigned long l) :
  32             ptree_error(format_what(msg, file, l)),
  33             m_message(msg), m_filename(file), m_line(l)
  34         {
  35         }
  36
  37         ~file_parser_error() throw()
  38             // gcc 3.4.2 complains about lack of throw specifier on compiler
  39             // generated dtor
  40         {
  41         }
  42
  43         ///////////////////////////////////////////////////////////////////////
  44         // Data access
  45
  46         // Get error message (without line and file - use what() to get
  47         // full message)
  48         std::string message() const
  49         {
  50             return m_message;
  51         }
  52
  53         // Get error filename
  54         std::string filename() const
  55         {
  56             return m_filename;
  57         }
  58
  59         // Get error line number
  60         unsigned long line() const
  61         {
  62             return m_line;
  63         }
  64
  65     private:
  66
  67         std::string m_message;
  68         std::string m_filename;
  69         unsigned long m_line;
  70
  71         // Format error message to be returned by std::runtime_error::what()
  72         static std::string format_what(const std::string &msg,
  73                                        const std::string &file,
  74                                        unsigned long l)
  75         {
  76             std::stringstream stream;
  77             stream << (file.empty() ? "<unspecified file>" : file.c_str());
  78             if (l > 0)
  79                 stream << '(' << l << ')';
  80             stream << ": " << msg;
  81             return stream.str();
  82         }
  83
  84     };
  85
  86 } }
  87
  88 #endif