error.hpp

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#pragma once
 
/// @file userver/compression/error.hpp
/// @brief Decompression errors
/// @ingroup userver_universal
 
#include <stdexcept>
 
#include <fmt/format.h>
 
USERVER_NAMESPACE_BEGIN
 
/// @brief Compression and decompression utilities and errors.
namespace compression {
 
/// Base class for decompression errors
class DecompressionError : public std::runtime_error {
public:
    using std::runtime_error::runtime_error;
 
    DecompressionError(const DecompressionError&) = default;
    DecompressionError(DecompressionError&&) = default;
    DecompressionError& operator=(const DecompressionError&) = default;
    DecompressionError& operator=(DecompressionError&&) = default;
 
    ~DecompressionError() override;
};
 
/// Decompressed data size exceeds the limit
class TooBigError : public DecompressionError {
public:
    TooBigError()
        : DecompressionError("Decompressed data exceeds the limit")
    {}
 
    TooBigError(const TooBigError&) = default;
    TooBigError(TooBigError&&) = default;
    TooBigError& operator=(const TooBigError&) = default;
    TooBigError& operator=(TooBigError&&) = default;
 
    ~TooBigError() override;
};
 
class ErrWithCode : public DecompressionError {
public:
    explicit ErrWithCode(const char* err_name)
        : DecompressionError(fmt::format("Decompression failed: {}", err_name))
    {}
 
    ErrWithCode(const ErrWithCode&) = default;
    ErrWithCode(ErrWithCode&&) = default;
    ErrWithCode& operator=(const ErrWithCode&) = default;
    ErrWithCode& operator=(ErrWithCode&&) = default;
 
    ~ErrWithCode() override;
};
 
}  // namespace compression
 
USERVER_NAMESPACE_END