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#pragma once
#include "String.h"
#include <exception>
#include <optional>
namespace cru {
#ifdef _MSC_VER
#pragma warning(disable : 4275)
#endif
class CRU_BASE_API Exception : public std::exception {
public:
explicit Exception(String message = {},
std::unique_ptr<std::exception> inner = nullptr);
~Exception() override;
public:
String GetMessage() const { return message_; }
std::exception* GetInner() const noexcept { return inner_.get(); }
const char* what() const noexcept override;
protected:
void SetMessage(String message) { message_ = std::move(message); }
void AppendMessage(StringView additional_message);
void AppendMessage(std::optional<StringView> additional_message);
private:
String message_;
mutable std::string utf8_message_;
std::unique_ptr<std::exception> inner_;
};
class CRU_BASE_API PlatformException : public Exception {
public:
using Exception::Exception; // inherit constructors
CRU_DEFAULT_DESTRUCTOR(PlatformException)
};
class CRU_BASE_API TextEncodeException : public Exception {
public:
using Exception::Exception;
};
class ErrnoException : public Exception {
public:
/**
* @brief will retrieve errno automatically.
*/
explicit ErrnoException(String message = {});
ErrnoException(String message, int errno_code);
CRU_DELETE_COPY(ErrnoException)
CRU_DELETE_MOVE(ErrnoException)
~ErrnoException() override = default;
int GetErrnoCode() const { return errno_code_; }
private:
int errno_code_;
};
} // namespace cru
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