crabka-protocol 0.1.2

Apache Kafka wire-protocol codec (4.3.0), with typed RecordBatch and zero-copy borrowed decode
Documentation 
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// AUTO-GENERATED by crabka-protocol-codegen against a9ce3221537b8653448750697915607dc7936cf3. Do not edit.

use bytes::BufMut;
use crate::primitives::string_bytes::{
    compact_string_len, put_compact_string, put_string, string_len,
};
use crate::primitives::string_bytes_borrowed::{
    get_compact_string_borrowed, get_string_borrowed,
};
use crate::tagged_fields::{read_tagged_fields, tagged_fields_len, WriteTaggedFields};
use crate::{DecodeBorrow, Encode, ProtocolError, UnknownTaggedFields};

pub const API_KEY: i16 = 16;
pub const MIN_VERSION: i16 = 0;
pub const MAX_VERSION: i16 = 5;
pub const FLEXIBLE_MIN: i16 = 3;

#[inline]
fn is_flexible(version: i16) -> bool { version >= FLEXIBLE_MIN }

#[derive(Debug, Clone, PartialEq, Eq)]
pub struct ListGroupsRequest<'a> {
    pub states_filter: Vec<&'a str>,
    pub types_filter: Vec<&'a str>,
    pub unknown_tagged_fields: UnknownTaggedFields,
}

impl<'a> Default for ListGroupsRequest<'a> {
    fn default() -> Self {
        Self {
            states_filter: Vec::new(),
            types_filter: Vec::new(),
            unknown_tagged_fields: Default::default(),
        }
    }
}

impl<'a> ListGroupsRequest<'a> {
    pub fn to_owned(&self) -> crate::owned::list_groups_request::ListGroupsRequest {
        crate::owned::list_groups_request::ListGroupsRequest {
            states_filter: (self.states_filter).iter().map(|s| s.to_string()).collect(),
            types_filter: (self.types_filter).iter().map(|s| s.to_string()).collect(),
            unknown_tagged_fields: self.unknown_tagged_fields.clone(),
        }
    }
}

impl<'a> Encode for ListGroupsRequest<'a> {
    fn encode<B: BufMut>(&self, buf: &mut B, version: i16) -> Result<(), ProtocolError> {
        if !(MIN_VERSION..=MAX_VERSION).contains(&version) {
            return Err(ProtocolError::UnsupportedVersion { api_key: API_KEY, version });
        }
        let flex = is_flexible(version);
        if version >= 4 { { crate::primitives::array::put_array_len(buf, (self.states_filter).len(), flex); for it in &self.states_filter { if flex { put_compact_string(buf, *it) } else { put_string(buf, *it) }; } } }
        if version >= 5 { { crate::primitives::array::put_array_len(buf, (self.types_filter).len(), flex); for it in &self.types_filter { if flex { put_compact_string(buf, *it) } else { put_string(buf, *it) }; } } }
        if flex {
            let tagged = WriteTaggedFields::new();
            tagged.write(buf, &self.unknown_tagged_fields);
        }
        Ok(())
    }
    fn encoded_len(&self, version: i16) -> usize {
        let flex = is_flexible(version);
        let mut n: usize = 0;
        if version >= 4 { n += { let prefix = crate::primitives::array::array_len_prefix_len((self.states_filter).len(), flex); let body: usize = (self.states_filter).iter().map(|it| if flex { compact_string_len(*it) } else { string_len(*it) }).sum(); prefix + body }; }
        if version >= 5 { n += { let prefix = crate::primitives::array::array_len_prefix_len((self.types_filter).len(), flex); let body: usize = (self.types_filter).iter().map(|it| if flex { compact_string_len(*it) } else { string_len(*it) }).sum(); prefix + body }; }
        if flex {
            let known_pairs: Vec<(u32, usize)> = Vec::new();
            n += tagged_fields_len(&known_pairs, &self.unknown_tagged_fields);
        }
        n
    }
}

impl<'de> DecodeBorrow<'de> for ListGroupsRequest<'de> {
    fn decode_borrow(buf: &mut &'de [u8], version: i16) -> Result<Self, ProtocolError> {
        if !(MIN_VERSION..=MAX_VERSION).contains(&version) {
            return Err(ProtocolError::UnsupportedVersion { api_key: API_KEY, version });
        }
        let flex = is_flexible(version);
        let mut out = Self::default();
        if version >= 4 { out.states_filter = { let n = crate::primitives::array::get_array_len(buf, flex)?; let mut v = Vec::with_capacity(n); for _ in 0..n { v.push(if flex { get_compact_string_borrowed(buf)? } else { get_string_borrowed(buf)? }); } v }; }
        if version >= 5 { out.types_filter = { let n = crate::primitives::array::get_array_len(buf, flex)?; let mut v = Vec::with_capacity(n); for _ in 0..n { v.push(if flex { get_compact_string_borrowed(buf)? } else { get_string_borrowed(buf)? }); } v }; }
        if flex {
            out.unknown_tagged_fields = read_tagged_fields(buf, |_tag, _payload| {
                Ok(false)
            })?;
        }
        Ok(out)
    }
}