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#ifndef PROTOZERO_EXCEPTION_HPP
#define PROTOZERO_EXCEPTION_HPP
/*****************************************************************************
protozero - Minimalistic protocol buffer decoder and encoder in C++.
This file is from https://github.com/mapbox/protozero where you can find more
documentation.
*****************************************************************************/
/**
* @file exception.hpp
*
* @brief Contains the exceptions used in the protozero library.
*/
#include <exception>
/**
* @brief All parts of the protozero header-only library are in this namespace.
*/
namespace protozero {
/**
* All exceptions explicitly thrown by the functions of the protozero library
* derive from this exception.
*/
struct exception : std::exception {
/// Returns the explanatory string.
const char* what() const noexcept override {
return "pbf exception";
}
};
/**
* This exception is thrown when parsing a varint thats larger than allowed.
* This should never happen unless the data is corrupted.
*/
struct varint_too_long_exception : exception {
/// Returns the explanatory string.
const char* what() const noexcept override {
return "varint too long exception";
}
};
/**
* This exception is thrown when the wire type of a pdf field is unknown.
* This should never happen unless the data is corrupted.
*/
struct unknown_pbf_wire_type_exception : exception {
/// Returns the explanatory string.
const char* what() const noexcept override {
return "unknown pbf field type exception";
}
};
/**
* This exception is thrown when we are trying to read a field and there
* are not enough bytes left in the buffer to read it. Almost all functions
* of the pbf_reader class can throw this exception.
*
* This should never happen unless the data is corrupted or you have
* initialized the pbf_reader object with incomplete data.
*/
struct end_of_buffer_exception : exception {
/// Returns the explanatory string.
const char* what() const noexcept override {
return "end of buffer exception";
}
};
/**
* This exception is thrown when a tag has an invalid value. Tags must be
* unsigned integers between 1 and 2^29-1. Tags between 19000 and 19999 are
* not allowed. See
* https://developers.google.com/protocol-buffers/docs/proto#assigning-tags
*/
struct invalid_tag_exception : exception {
/// Returns the explanatory string.
const char* what() const noexcept override {
return "invalid tag exception";
}
};
/**
* This exception is thrown when a length field of a packed repeated field is
* invalid. For fixed size types the length must be a multiple of the size of
* the type.
*/
struct invalid_length_exception : exception {
/// Returns the explanatory string.
const char* what() const noexcept override {
return "invalid length exception";
}
};
} // end namespace protozero
#endif // PROTOZERO_EXCEPTION_HPP
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