buffa-types 0.9.2

// @generated by buffa-codegen. DO NOT EDIT.
// source: google/protobuf/empty.proto

/// A generic empty message that you can re-use to avoid defining duplicated
/// empty messages in your APIs.
///
/// Example usage: gRPC uses google.protobuf.Empty as the input and output
/// type for RPCs defined as returning or accepting "nothing":
///
/// ```text
/// rpc Bar(google.protobuf.Empty) returns (google.protobuf.Empty);
/// ```
#[derive(Clone, Debug, Default)]
pub struct EmptyView<'a> {
    pub __buffa_unknown_fields: ::buffa::UnknownFieldsView<'a>,
}
impl<'a> ::buffa::MessageView<'a> for EmptyView<'a> {
    type Owned = super::super::Empty;
    fn decode_view(buf: &'a [u8]) -> ::core::result::Result<Self, ::buffa::DecodeError> {
        let __limit = ::core::cell::Cell::new(::buffa::DEFAULT_UNKNOWN_FIELD_LIMIT);
        let __elem = ::core::cell::Cell::new(::buffa::DEFAULT_ELEMENT_MEMORY_LIMIT);
        <Self as ::buffa::MessageView>::decode_view_ctx(
            buf,
            ::buffa::DecodeContext::new(::buffa::RECURSION_LIMIT, &__limit)
                .with_element_memory(&__elem),
        )
    }
    fn decode_view_with_ctx(
        buf: &'a [u8],
        ctx: ::buffa::DecodeContext<'_>,
    ) -> ::core::result::Result<Self, ::buffa::DecodeError> {
        <Self as ::buffa::MessageView>::decode_view_ctx(buf, ctx)
    }
    #[inline]
    fn merge_view_field(
        &mut self,
        tag: ::buffa::encoding::Tag,
        cur: &'a [u8],
        before_tag: &'a [u8],
        ctx: ::buffa::DecodeContext<'_>,
    ) -> ::core::result::Result<&'a [u8], ::buffa::DecodeError> {
        let _ = ctx;
        #[allow(unused_variables)]
        let view = self;
        let mut cur = cur;
        match tag.field_number() {
            _ => {
                ::buffa::encoding::skip_field_depth(tag, &mut cur, ctx.depth())?;
                let span_len = before_tag.len() - cur.len();
                view.__buffa_unknown_fields.push_record(before_tag, span_len, ctx)?;
            }
        }
        ::core::result::Result::Ok(cur)
    }
    fn to_owned_message(
        &self,
    ) -> ::core::result::Result<super::super::Empty, ::buffa::DecodeError> {
        self.to_owned_from_source(None)
    }
    #[allow(clippy::useless_conversion, clippy::needless_update)]
    fn to_owned_from_source(
        &self,
        __buffa_src: ::core::option::Option<&::buffa::bytes::Bytes>,
    ) -> ::core::result::Result<super::super::Empty, ::buffa::DecodeError> {
        #[allow(unused_imports)]
        use ::buffa::alloc::string::ToString as _;
        let _ = __buffa_src;
        ::core::result::Result::Ok(super::super::Empty {
            __buffa_unknown_fields: self.__buffa_unknown_fields.to_owned()?.into(),
            ..::core::default::Default::default()
        })
    }
}
impl<'a> ::buffa::ViewEncode<'a> for EmptyView<'a> {
    #[allow(clippy::needless_borrow, clippy::let_and_return)]
    fn compute_size(&self, _cache: &mut ::buffa::SizeCache) -> u32 {
        #[allow(unused_imports)]
        use ::buffa::Enumeration as _;
        let mut size = 0u64;
        size += self.__buffa_unknown_fields.encoded_len() as u64;
        ::buffa::saturate_size(size)
    }
    #[allow(clippy::needless_borrow)]
    fn write_to(
        &self,
        _cache: &mut ::buffa::SizeCache,
        buf: &mut impl ::buffa::EncodeSink,
    ) {
        #[allow(unused_imports)]
        use ::buffa::Enumeration as _;
        self.__buffa_unknown_fields.write_to(buf);
    }
}
impl<'a> ::buffa::MessageName for EmptyView<'a> {
    const PACKAGE: &'static str = "google.protobuf";
    const NAME: &'static str = "Empty";
    const FULL_NAME: &'static str = "google.protobuf.Empty";
    const TYPE_URL: &'static str = "type.googleapis.com/google.protobuf.Empty";
}
::buffa::impl_default_view_instance!(EmptyView);
::buffa::impl_view_reborrow!(EmptyView);
/** Self-contained, `'static` owned view of a `Empty` message.

 Wraps [`::buffa::OwnedView`]`<`[`EmptyView`]`<'static>>`: the decoded view and the [`::buffa::bytes::Bytes`] buffer it borrows from travel together, so the handle is `'static` and `Send + Sync` — suitable for async handlers, spawned tasks, and anywhere a `'static` bound is required.

 Field accessors return borrows tied to `&self`. Use [`Self::view`] to get the full [`EmptyView`] when you need struct patterns, iteration helpers, or to pass the view to lifetime-parameterised code.*/
#[derive(Clone, Debug)]
pub struct EmptyOwnedView(::buffa::OwnedView<EmptyView<'static>>);
impl EmptyOwnedView {
    /// Decode an owned view from a [`::buffa::bytes::Bytes`] buffer.
    ///
    /// The view borrows directly from the buffer's data; the buffer is
    /// retained inside the returned handle.
    ///
    /// # Errors
    ///
    /// Returns [`::buffa::DecodeError`] if the buffer contains invalid
    /// protobuf data.
    pub fn decode(
        bytes: ::buffa::bytes::Bytes,
    ) -> ::core::result::Result<Self, ::buffa::DecodeError> {
        ::core::result::Result::Ok(EmptyOwnedView(::buffa::OwnedView::decode(bytes)?))
    }
    /// Decode with custom [`::buffa::DecodeOptions`] (recursion limit,
    /// max message size).
    ///
    /// # Errors
    ///
    /// Returns [`::buffa::DecodeError`] if the buffer is invalid or
    /// exceeds the configured limits.
    pub fn decode_with_options(
        bytes: ::buffa::bytes::Bytes,
        opts: &::buffa::DecodeOptions,
    ) -> ::core::result::Result<Self, ::buffa::DecodeError> {
        ::core::result::Result::Ok(
            EmptyOwnedView(::buffa::OwnedView::decode_with_options(bytes, opts)?),
        )
    }
    /// Build from an owned message via an encode → decode round-trip.
    ///
    /// # Errors
    ///
    /// Returns [`::buffa::DecodeError::MessageTooLarge`] if the
    /// message's encoded size exceeds the 2 GiB protobuf limit, or
    /// another [`::buffa::DecodeError`] if the re-encoded bytes are
    /// somehow invalid (should not happen for well-formed messages).
    pub fn from_owned(
        msg: &super::super::Empty,
    ) -> ::core::result::Result<Self, ::buffa::DecodeError> {
        ::core::result::Result::Ok(EmptyOwnedView(::buffa::OwnedView::from_owned(msg)?))
    }
    /// Borrow the full [`EmptyView`] with its lifetime tied to `&self`.
    #[must_use]
    pub fn view(&self) -> &EmptyView<'_> {
        self.0.reborrow()
    }
    /// Convert to the owned message type.
    ///
    /// Infallible: this type's constructors wire-decode their
    /// buffer, and a view produced by wire decoding always
    /// converts. Delegates to [`::buffa::OwnedView::to_owned_message`],
    /// whose contract also governs handles converted from a raw
    /// [`::buffa::OwnedView`].
    #[must_use]
    pub fn to_owned_message(&self) -> super::super::Empty {
        self.0.to_owned_message()
    }
    /// The underlying bytes buffer.
    #[must_use]
    pub fn bytes(&self) -> &::buffa::bytes::Bytes {
        self.0.bytes()
    }
    /// Consume the handle, returning the underlying bytes buffer.
    #[must_use]
    pub fn into_bytes(self) -> ::buffa::bytes::Bytes {
        self.0.into_bytes()
    }
}
impl ::core::convert::From<::buffa::OwnedView<EmptyView<'static>>> for EmptyOwnedView {
    fn from(inner: ::buffa::OwnedView<EmptyView<'static>>) -> Self {
        EmptyOwnedView(inner)
    }
}
impl ::core::convert::From<EmptyOwnedView> for ::buffa::OwnedView<EmptyView<'static>> {
    fn from(wrapper: EmptyOwnedView) -> Self {
        wrapper.0
    }
}
impl ::core::convert::AsRef<::buffa::OwnedView<EmptyView<'static>>> for EmptyOwnedView {
    fn as_ref(&self) -> &::buffa::OwnedView<EmptyView<'static>> {
        &self.0
    }
}
impl ::buffa::HasMessageView for super::super::Empty {
    type View<'a> = EmptyView<'a>;
    type ViewHandle = EmptyOwnedView;
}
#[cfg(feature = "reflect")]
const _: () = {
    impl<'a> ::buffa_descriptor::reflect::ReflectMessage for EmptyView<'a> {
        fn message_descriptor(&self) -> &::buffa_descriptor::MessageDescriptor {
            super::super::__buffa::reflect::descriptor_pool()
                .message(Self::__buffa_reflect_message_index())
        }
        fn pool(
            &self,
        ) -> &::buffa::alloc::sync::Arc<::buffa_descriptor::DescriptorPool> {
            super::super::__buffa::reflect::descriptor_pool()
        }
        fn get(
            &self,
            field: &::buffa_descriptor::FieldDescriptor,
        ) -> ::buffa_descriptor::reflect::ValueRef<'_> {
            #[allow(unused_imports)]
            use ::buffa::Enumeration as _;
            match field.number() {
                _ => {
                    ::core::debug_assert!(
                        false,
                        "field number {} is not a member of this view's reflect get()",
                        field.number(),
                    );
                    ::buffa_descriptor::reflect::ValueRef::Bool(false)
                }
            }
        }
        fn has(&self, field: &::buffa_descriptor::FieldDescriptor) -> bool {
            match field.number() {
                _ => false,
            }
        }
        fn for_each_set(
            &self,
            f: &mut dyn ::core::ops::FnMut(
                &::buffa_descriptor::FieldDescriptor,
                ::buffa_descriptor::reflect::ValueRef<'_>,
            ),
        ) {
            let md = ::buffa_descriptor::reflect::ReflectMessage::message_descriptor(
                self,
            );
            for fd in md.fields() {
                if ::buffa_descriptor::reflect::ReflectMessage::has(self, fd) {
                    f(fd, ::buffa_descriptor::reflect::ReflectMessage::get(self, fd));
                }
            }
        }
        fn to_dynamic(&self) -> ::buffa_descriptor::reflect::DynamicMessage {
            let bytes = ::buffa::ViewEncode::encode_to_vec(self);
            let options = ::buffa::DecodeOptions::new()
                .with_element_memory_limit(
                    bytes
                        .len()
                        .saturating_mul(128)
                        .max(::buffa::DEFAULT_ELEMENT_MEMORY_LIMIT),
                )
                .with_unknown_field_limit(
                    bytes.len().max(::buffa::DEFAULT_UNKNOWN_FIELD_LIMIT),
                );
            ::buffa_descriptor::reflect::DynamicMessage::decode_with_options(
                    ::buffa::alloc::sync::Arc::clone(
                        super::super::__buffa::reflect::descriptor_pool(),
                    ),
                    Self::__buffa_reflect_message_index(),
                    &bytes,
                    &options,
                )
                .expect("view re-encodes to bytes decodable against its own descriptor")
        }
    }
    impl<'a> ::buffa_descriptor::reflect::ReflectElement for EmptyView<'a> {
        fn as_value_ref(&self) -> ::buffa_descriptor::reflect::ValueRef<'_> {
            ::buffa_descriptor::reflect::ValueRef::Message(
                ::buffa_descriptor::reflect::ReflectCow::Borrowed(self),
            )
        }
    }
    impl<'a> EmptyView<'a> {
        /// Memoized `MessageIndex` for this view's message type, resolved
        /// once against the package's embedded descriptor pool. An inherent
        /// associated fn (not a free fn) so sibling views in the same module
        /// do not collide.
        #[doc(hidden)]
        fn __buffa_reflect_message_index() -> ::buffa_descriptor::MessageIndex {
            static IDX: ::std::sync::OnceLock<::buffa_descriptor::MessageIndex> = ::std::sync::OnceLock::new();
            *IDX
                .get_or_init(|| {
                    super::super::__buffa::reflect::descriptor_pool()
                        .message_index(<Self as ::buffa::MessageName>::FULL_NAME)
                        .expect(
                            "generated view type is registered in the embedded descriptor pool",
                        )
                })
        }
    }
};