exception.hpp

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#pragma once
 
/// @file userver/formats/bson/exception.hpp
/// @brief BSON-specific exceptions
 
#include <bson/bson.h>
 
#include <userver/utils/traceful_exception.hpp>
 
#include <string>
 
USERVER_NAMESPACE_BEGIN
 
namespace formats::bson {
 
/// Generic BSON-related exception
class BsonException : public utils::TracefulException {
public:
    BsonException(std::string msg);
 
    std::string_view GetMessage() const noexcept { return msg_; }
 
private:
    std::string msg_;
};
class BsonException : public utils::TracefulException {…};
 
/// BSON parsing error
class ParseException : public BsonException {
public:
    using BsonException::BsonException;
};
class ParseException : public BsonException {…};
 
class ExceptionWithPath : public BsonException {
public:
    explicit ExceptionWithPath(std::string_view msg, std::string_view path);
 
    std::string_view GetPath() const noexcept;
    std::string_view GetMessageWithoutPath() const noexcept;
 
private:
    std::size_t path_size_;
};
class ExceptionWithPath : public BsonException {…};
 
/// BSON types mismatch error
class TypeMismatchException : public ExceptionWithPath {
public:
    TypeMismatchException(bson_type_t actual, bson_type_t expected, std::string_view path);
};
class TypeMismatchException : public ExceptionWithPath {…};
 
/// BSON array indexing error
class OutOfBoundsException : public ExceptionWithPath {
public:
    OutOfBoundsException(size_t index, size_t size, std::string_view path);
};
class OutOfBoundsException : public ExceptionWithPath {…};
 
/// BSON nonexisting member access error
class MemberMissingException : public ExceptionWithPath {
public:
    explicit MemberMissingException(std::string_view path);
};
class MemberMissingException : public ExceptionWithPath {…};
 
/// Conversion error
class ConversionException : public ExceptionWithPath {
public:
    ConversionException(std::string_view msg, std::string_view path);
};
class ConversionException : public ExceptionWithPath {…};
 
}  // namespace formats::bson
 
USERVER_NAMESPACE_END