src/Resource/Exceptions.h

   1 /***************************************************************************
   2  *   Copyright (C) 2008 by Sverre Rabbelier                                *
   3  *   sverre@rabbelier.nl                                                   *
   4  *                                                                         *
   5  *   This program is free software; you can redistribute it and/or modify  *
   6  *   it under the terms of the GNU General Public License as published by  *
   7  *   the Free Software Foundation; either version 3 of the License, or     *
   8  *   (at your option) any later version.                                   *
   9  *                                                                         *
  10  *   This program is distributed in the hope that it will be useful,       *
  11  *   but WITHOUT ANY WARRANTY; without even the implied warranty of        *
  12  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *
  13  *   GNU General Public License for more details.                          *
  14  *                                                                         *
  15  *   You should have received a copy of the GNU General Public License     *
  16  *   along with this program; if not, write to the                         *
  17  *   Free Software Foundation, Inc.,                                       *
  18  *   59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.             *
  19  ***************************************************************************/
  20
  21 #pragma once
  22
  23 /**
  24  * @file Exceptions.h
  25  * This file contains the custom exceptions used.
  26  *
  27  * @see ExcecutionException
  28  * @see SavableLocked
  29  * @see RowNotFoundException
  30  * @see SqliteError
  31  */
  32
  33 #include "Types.h"
  34
  35 /**
  36  * This exception is thrown when an exception occured as the result of a user command.
  37  */
  38 class ExcecutionException : public std::runtime_error
  39 {
  40         public:
  41                 /** Constructs a new ExcecutionException. */
  42                 ExcecutionException(std::exception& e, value_type accountid, cstring line);
  43
  44                 ~ExcecutionException() throw () { }
  45
  46                 const char* what() const throw() { return m_msg.c_str(); }
  47
  48         private:
  49                 std::exception& m_exception;
  50                 std::string m_msg;
  51                 value_type m_accountid;
  52                 std::string m_line;
  53 };
  54
  55 /**
  56  * This exception is thrown when a savable was already locked while trying to perform an operation that needs the ock.
  57  */
  58 class SavableLocked : public std::runtime_error
  59 {
  60         public:
  61                 /** Construct a new SavableLocked exception. */
  62                 SavableLocked() : std::runtime_error("Savable was already locked.") { }
  63 };
  64
  65 /**
  66  * This exception is thrown when no row was found as the result of an SQL query.
  67  */
  68 class RowNotFoundException : public std::runtime_error
  69 {
  70         public:
  71                 /** Construct a new RowNotFoundException with the specified message. */
  72                 RowNotFoundException(const std::string& arg) : std::runtime_error(arg) { }
  73 };
  74
  75 /**
  76  * This exception is thrown when an error occured as the result of an SQL query.
  77  */
  78 class SqliteError : public std::runtime_error
  79 {
  80         public:
  81                 /** Construct a new SqliteError from the specified database. */
  82                 SqliteError(sqlite3*);
  83
  84                 /** Construct a new SqliteError from the specified database. */
  85                 SqliteError(sqlite3*, const std::string& sql);
  86
  87                 /** Destructor, a noop. */
  88                 ~SqliteError() throw() { }
  89
  90                 const char* what() const throw();
  91
  92         private:
  93                 int m_sqliteErrno; /**< The number of the error. */
  94                 const char* m_sqliteError; /**< The message of the error. */
  95                 std::string m_msg; /**< The compiled message. */
  96 };