Orca Robotics

00001 /*
00002  * Orca-Robotics Project: Components for robotics 
00003  *               http://orca-robotics.sf.net/
00004  * Copyright (c) 2004-2008 Alex Brooks, Alexei Makarenko, Tobias Kaupp
00005  *
00006  * This copy of Orca is licensed to you under the terms described in
00007  * the LICENSE file included in this distribution.
00008  *
00009  */
00010 
00011 #ifndef ORCA_DEF_EXCEPTIONS_H
00012 #define ORCA_DEF_EXCEPTIONS_H
00013 
00014 /*
00015  * STRINGIZE macro converts an expression into a string-literal.
00016  * ERROR_INFO macro permits file-name and line-number data to be added to an error message.
00017  *
00018  * Adapted by Alex Brooks from Tim Bailey's version 2005.
00019  */
00020 
00021 #ifndef ERROR_MACROS_HPP_
00022 #define ERROR_MACROS_HPP_
00023 
00024 #if defined(STRINGIZE_HELPER) || defined(STRINGIZE) || defined(ERROR_INFO)
00025 #   error OrcaIceUtil error macros have already been defined elsewhere 
00026 #endif
00027 
00028 #define STRINGIZE_HELPER(exp) #exp
00029 #define STRINGIZE(exp) STRINGIZE_HELPER(exp)
00030 
00031 #define ERROR_INFO __FILE__, STRINGIZE(__LINE__)
00032 
00033 #endif
00034 
00035 #include <exception>
00036 #include <string>
00037 
00038 namespace orcadef
00039 {
00040 
00044 /*
00045     For Developers:
00046     Generally, this exception should be thrown like so:
00047     
00048      - throw Exception( ERROR_INFO, "description of error" );
00049     
00050     where the ERROR_INFO macro inserts the offending file and line number.
00051 */
00052 class Exception : public std::exception
00053 {
00054 public:
00055 
00056     Exception(const char *file, const char *line, const char *message);
00057     Exception(const char *file, const char *line, const std::string &message);
00058 
00059     virtual ~Exception() throw();
00060 
00061     virtual const char* what() const throw() { return message_.c_str(); }
00062 
00063 protected:
00064 
00065     void setMsg( const char *file, const char *line, const char *message );
00066     const char *basename( const char *s );
00067 
00068     std::string  message_;
00069 };
00070 
00072 class FileException : public orcadef::Exception
00073 {
00074 public:
00075     FileException(const char *file, const char *line, const char *message)
00076         : Exception( file, line, message ) {};
00077     FileException(const char *file, const char *line, const std::string &message)
00078         : Exception( file, line, message ) {};
00079 };
00080 
00082 class ParseException : public orcadef::Exception
00083 {
00084 public:
00085     ParseException(const char *file, const char *line, const char *message)
00086         : Exception( file, line, message ) {};
00087     ParseException(const char *file, const char *line, const std::string &message)
00088         : Exception( file, line, message ) {};
00089 };
00090 
00091 } // namespace
00092 
00093 
00094 #endif
orcadef/exceptions.h
