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/// \file engine/exceptions.hpp
/// Exception types raised by the engine module.

#if !defined(ENGINE_EXCEPTIONS_HPP)
#define ENGINE_EXCEPTIONS_HPP

#include <stdexcept>

#include "utils/fs/path.hpp"

namespace engine {


/// Base exception for engine errors.
class error : public std::runtime_error {
public:
    explicit error(const std::string&);
    virtual ~error(void) throw();
};


/// Error while parsing external data.
class format_error : public error {
public:
    explicit format_error(const std::string&);
    virtual ~format_error(void) throw();
};


/// Error while parsing external data.
class load_error : public error {
public:
    /// The path to the file that caused the load error.
    utils::fs::path file;

    /// The reason for the error; may not include the file name.
    std::string reason;

    explicit load_error(const utils::fs::path&, const std::string&);
    virtual ~load_error(void) throw();
};


/// A requested element could not be found.
class not_found_error : public error {
public:
    explicit not_found_error(const std::string&);
    virtual ~not_found_error(void) throw();
};


}  // namespace engine


#endif  // !defined(ENGINE_EXCEPTIONS_HPP)