error.hpp

#ifndef ERROR_HPP
#define ERROR_HPP

#include <exception>
#include <string>

namespace Libdbc {

class Exception : public std::exception {
public:
	const char* what() const throw() override {
		return "libdbc exception occurred";
	}
};

class ValidityError : public Exception {
public:
	const char* what() const throw() override {
		return "Invalid DBC file";
	}
};

class NonDbcFileFormatError : public ValidityError {
public:
	explicit NonDbcFileFormatError(const std::string& path, const std::string& extension):
	error_msg("File is not of DBC format. Expected a .dbc extension. Cannot read this type of file ("
				+ path + "). Found the extension (" + extension + ")."
	) { }
	explicit NonDbcFileFormatError(const std::string& error):
	error_msg("File is not of DBC format. Cannot read this type of file (" + error + ").") { }

	const char* what() const throw() override {
		return error_msg.c_str();
	}

private:
	std::string error_msg;
};

class DbcFileIsMissingVersion : public NonDbcFileFormatError {
public:
	explicit DbcFileIsMissingVersion(const std::string& line):
		NonDbcFileFormatError("Invalid dbc file. Missing the required version header. Attempting to read line: (" + line + ").") { }
};

class DbcFileIsMissingBitTiming : public NonDbcFileFormatError {
public:
	explicit DbcFileIsMissingBitTiming(const std::string& line):
		NonDbcFileFormatError("Invalid dbc file. Missing required bit timing in the header. Attempting to read line: (" + line + ").") { }
};

} // libdbc

#endif // ERROR_HPP