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#pragma once
#include "String.h"
#include <exception>
#include <optional>
#include <string_view>
namespace cru {
#ifdef _MSC_VER
#pragma warning(disable : 4275)
#endif
class CRU_BASE_API Exception : public std::exception {
public:
explicit Exception(std::string message = "",
std::unique_ptr<std::exception> inner = nullptr);
explicit Exception(StringView message,
std::unique_ptr<std::exception> inner = nullptr);
~Exception() override;
public:
[[deprecated("Use GetUtf8Message.")]] String GetMessage() const {
return String::FromUtf8(message_);
}
std::string GetUtf8Message() const { return this->message_; }
std::exception* GetInner() const noexcept { return inner_.get(); }
const char* what() const noexcept override;
protected:
void SetMessage(std::string message) { message_ = std::move(message); }
void AppendMessage(std::string_view additional_message);
void AppendMessage(std::optional<std::string_view> additional_message);
[[deprecated("Use void SetMessage(std::string message) instead.")]]
void SetMessage(StringView message);
[[deprecated("Use void AppendMessage(std::string_view additional_message) instead.")]]
void AppendMessage(StringView additional_message);
[[deprecated("Use void AppendMessage(std::optional<std::string_view> additional_message) instead.")]]
void AppendMessage(std::optional<StringView> additional_message);
private:
std::string 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:
ErrnoException();
explicit ErrnoException(int error_code);
/**
* @brief will retrieve errno automatically.
*/
explicit ErrnoException(std::string_view message);
ErrnoException(std::string_view message, int errno_code);
/**
* @brief will retrieve errno automatically.
*/
explicit ErrnoException(StringView message);
ErrnoException(StringView message, int errno_code);
int GetErrnoCode() const { return errno_code_; }
private:
int errno_code_;
};
} // namespace cru
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