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Added unknown stream error handling and fixed clang errors

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This commit is contained in:
Ivan-lis 2024-11-25 13:20:18 +00:00
parent 3180c077a0
commit f5bea15501
2 changed files with 27 additions and 4 deletions
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2
library/include/larra/serialization/auto.hpp
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@ -115,7 +115,7 @@ struct Config : V {
requires(!HasParse<T>)
: V(AttributeConfig{}) {
}
constexpr auto Base() const -> const V& {
[[nodiscard]] constexpr auto Base() const -> const V& {
return static_cast<const V&>(*this);
}
using type = T;

29
library/include/larra/stream_error.hpp
View file

@ -73,6 +73,25 @@ struct ErrorImpl : BaseError {
}
};
// Helper class to prevent parsing response stream into an expected return type if its name is a 'stream:error'
struct UnknownXmppError : BaseError {
static constexpr auto kDefaultName = "stream:error";
static constexpr std::string_view kErrorMessage = "Unknown XMPP stream error";
static constexpr auto TryParse(xmlpp::Element* element) {
return std::optional{UnknownXmppError{}};
}
static constexpr auto Parse(xmlpp::Element* element) {
return TryParse(element).value();
}
friend constexpr auto operator<<(xmlpp::Element* element, const UnknownXmppError& obj) -> void {
throw std::format("'{}' must never be written into the real stream!", kErrorMessage);
}
[[nodiscard]] constexpr auto what() const noexcept -> const char* override {
return kErrorMessage.data();
}
};
struct BadFormat : ErrorImpl<BadFormat> {};
struct BadNamespacePrefix : ErrorImpl<BadNamespacePrefix> {};
struct Conflict : ErrorImpl<Conflict> {};
@ -81,7 +100,7 @@ struct HostGone : ErrorImpl<HostGone> {};
struct HostUnknown : ErrorImpl<HostUnknown> {};
struct ImproperAdressing : ErrorImpl<ImproperAdressing> {};
struct InternalServerError : ErrorImpl<InternalServerError> {};
struct InvalidForm : ErrorImpl<InvalidForm> {};
struct InvalidFrom : ErrorImpl<InvalidFrom> {};
struct InvalidNamespace : ErrorImpl<InvalidNamespace> {};
struct InvalidXml : ErrorImpl<InvalidXml> {};
struct NotAuthorized : ErrorImpl<NotAuthorized> {};
@ -109,7 +128,7 @@ using StreamError = std::variant<error::stream::BadFormat,
error::stream::HostUnknown,
error::stream::ImproperAdressing,
error::stream::InternalServerError,
error::stream::InvalidForm,
error::stream::InvalidFrom,
error::stream::InvalidNamespace,
error::stream::InvalidXml,
error::stream::NotAuthorized,
@ -123,6 +142,10 @@ using StreamError = std::variant<error::stream::BadFormat,
error::stream::UnsupportedEncoding,
error::stream::UnsupportedFeature,
error::stream::UnsupportedStanzaType,
error::stream::UnsupportedVersion>;
error::stream::UnsupportedVersion,
error::stream::UnknownXmppError>;
static_assert(!std::is_same_v<typename std::variant_alternative_t<std::variant_size_v<StreamError> - 1, StreamError>, StreamError>,
"'UnknownXmppError' must be at the end of 'StreamError' variant");
} // namespace larra::xmpp