Commit eaa04def authored by Steffen Vogel's avatar Steffen Vogel 🎅🏼
Browse files

added new classes for custom exceptions

parent 99f422c3
/** Custom exceptions.
*
* @file
* @author Steffen Vogel <stvogel@eonerc.rwth-aachen.de>
* @copyright 2018, Institute for Automation of Complex Power Systems, EONERC
* @license GNU General Public License (version 3)
*
* VILLASnode
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*********************************************************************************/
#pragma once
#include <string>
#include <sstream>
#include <system_error>
#include <utility>
#include <cerrno>
#include <fmt/core.h>
#include <jansson.h>
namespace villas {
class SystemError : public std::system_error {
public:
SystemError(const std::string &what) :
std::system_error(
errno,
std::system_category(),
what
)
{ }
template<typename... Args>
SystemError(const std::string &what, Args&&... args) :
SystemError(fmt::format(what, std::forward<Args>(args)...))
{ }
};
class RuntimeError : public std::runtime_error {
public:
template<typename... Args>
RuntimeError(const std::string &what, Args&&... args) :
std::runtime_error(fmt::format(what, std::forward<Args>(args)...))
{ }
};
class JsonError : public std::runtime_error {
protected:
json_error_t error;
public:
JsonError(const json_error_t &err) :
std::runtime_error("Failed to decode JSON document"),
error(err)
{ }
template<typename... Args>
JsonError(const json_error_t &err, const std::string &what, Args&&... args) :
std::runtime_error(fmt::format(what, std::forward<Args>(args)...))
{ }
virtual const char * what()
{
return fmt::format("{}: {} in {}:{}:{}",
std::runtime_error::what(),
error.text, error.source, error.line, error.column
).c_str();
}
};
class ConfigError : public std::runtime_error {
protected:
std::string id;
json_t *setting;
public:
template<typename... Args>
ConfigError(json_t *s, const std::string &i, const std::string &what, Args&&... args) :
std::runtime_error(fmt::format(what, std::forward<Args>(args)...)),
id(i),
setting(s)
{ }
std::string docUri()
{
std::string baseUri = "https://villas.fein-aachen.org/doc/jump?";
return baseUri + id;
}
virtual const char * what()
{
std::stringstream ss;
ss << "Invalid configuration setting: " << std::endl;
ss << " Please consult the user documentation for details:" << std::endl;
ss << " " << docUri() << std::endl;
return ss.str().c_str();
}
};
} // namespace villas
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