beedb/include/exception/command_exception.h

89 lines
3.1 KiB
C++

/*------------------------------------------------------------------------------*
* Architecture & Implementation of DBMS *
*------------------------------------------------------------------------------*
* Copyright 2022 Databases and Information Systems Group TU Dortmund *
* Visit us at *
* http://dbis.cs.tu-dortmund.de/cms/en/home/ *
* *
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS *
* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, *
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL *
* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR *
* OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, *
* ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR *
* OTHER DEALINGS IN THE SOFTWARE. *
* *
* Authors: *
* Maximilian Berens <maximilian.berens@tu-dortmund.de> *
* Roland Kühn <roland.kuehn@cs.tu-dortmund.de> *
* Jan Mühlig <jan.muehlig@tu-dortmund.de> *
*------------------------------------------------------------------------------*
*/
#pragma once
#include <exception>
#include <string>
namespace beedb::exception
{
class CommandException : public std::exception
{
public:
explicit CommandException(const std::string &message) : _message(message)
{
}
~CommandException() override = default;
[[nodiscard]] const char *what() const noexcept override
{
return _message.c_str();
}
private:
const std::string _message;
};
class UnknownCommandException final : public CommandException
{
public:
explicit UnknownCommandException(const std::string &command)
: CommandException("Unknown command '" + command + "'.")
{
}
UnknownCommandException() : UnknownCommandException("Unknown command")
{
}
~UnknownCommandException() override = default;
};
class CommandSyntaxException final : public CommandException
{
public:
CommandSyntaxException(const std::string &command, const std::string &syntax_hint)
: CommandException("Command syntax exception '" + command + "'.\n" + syntax_hint)
{
}
CommandSyntaxException() : CommandException("Command syntax exception")
{
}
~CommandSyntaxException() override = default;
};
class UnknownCommandInputException final : public CommandException
{
public:
explicit UnknownCommandInputException(const std::string &input)
: CommandException("Not supported input '" + input + "'")
{
}
~UnknownCommandInputException() override = default;
};
} // namespace beedb::exception