crabka-protocol 0.3.1

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

use bytes::BufMut;

use crate::primitives::fixed::{get_i32, put_i32};
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::{WriteTaggedFields, read_tagged_fields, tagged_fields_len};
use crate::{DecodeBorrow, Encode, ProtocolError, UnknownTaggedFields};

pub const API_KEY: i16 = 90;
pub const MIN_VERSION: i16 = 0;
pub const MAX_VERSION: i16 = 1;
pub const FLEXIBLE_MIN: i16 = 0;

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

#[derive(Debug, Clone, PartialEq, Eq, Default)]
pub struct DescribeShareGroupOffsetsRequest<'a> {
    pub groups: Vec<DescribeShareGroupOffsetsRequestGroup<'a>>,
    pub unknown_tagged_fields: UnknownTaggedFields,
}
impl DescribeShareGroupOffsetsRequest<'_> {
    pub fn to_owned(
        &self,
    ) -> crate::owned::describe_share_group_offsets_request::DescribeShareGroupOffsetsRequest {
        crate::owned::describe_share_group_offsets_request::DescribeShareGroupOffsetsRequest {
            groups: (self.groups)
                .iter()
                .map(DescribeShareGroupOffsetsRequestGroup::to_owned)
                .collect(),
            unknown_tagged_fields: self.unknown_tagged_fields.clone(),
        }
    }
}
impl Encode for DescribeShareGroupOffsetsRequest<'_> {
    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 >= 0 {
            {
                crate::primitives::array::put_array_len(buf, (self.groups).len(), flex);
                for it in &self.groups {
                    it.encode(buf, version)?;
                }
            }
        }
        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 >= 0 {
            n += {
                let prefix =
                    crate::primitives::array::array_len_prefix_len((self.groups).len(), flex);
                let body: usize = (self.groups).iter().map(|it| it.encoded_len(version)).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 DescribeShareGroupOffsetsRequest<'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 >= 0 {
            out.groups = {
                let n = crate::primitives::array::get_array_len(buf, flex)?;
                let mut v = Vec::with_capacity(n);
                for _ in 0..n {
                    v.push(DescribeShareGroupOffsetsRequestGroup::decode_borrow(
                        buf, version,
                    )?);
                }
                v
            };
        }
        if flex {
            out.unknown_tagged_fields = read_tagged_fields(buf, |_tag, _payload| Ok(false))?;
        }
        Ok(out)
    }
}
#[cfg(test)]
impl DescribeShareGroupOffsetsRequest<'_> {
    #[must_use]
    pub fn populated(version: i16) -> Self {
        let mut m = Self::default();
        if version >= 0 {
            m.groups = vec![DescribeShareGroupOffsetsRequestGroup::populated(version)];
        }
        m
    }
}
#[derive(Debug, Clone, PartialEq, Eq, Default)]
pub struct DescribeShareGroupOffsetsRequestGroup<'a> {
    pub group_id: &'a str,
    pub topics: Option<Vec<DescribeShareGroupOffsetsRequestTopic<'a>>>,
    pub unknown_tagged_fields: UnknownTaggedFields,
}
impl DescribeShareGroupOffsetsRequestGroup<'_> {
    pub fn to_owned(
        &self,
    ) -> crate::owned::describe_share_group_offsets_request::DescribeShareGroupOffsetsRequestGroup
    {
        crate::owned::describe_share_group_offsets_request::DescribeShareGroupOffsetsRequestGroup {
            group_id: (self.group_id).to_string(),
            topics: (self.topics).as_ref().map(|v| {
                v.iter()
                    .map(DescribeShareGroupOffsetsRequestTopic::to_owned)
                    .collect()
            }),
            unknown_tagged_fields: self.unknown_tagged_fields.clone(),
        }
    }
}
impl Encode for DescribeShareGroupOffsetsRequestGroup<'_> {
    fn encode<B: BufMut>(&self, buf: &mut B, version: i16) -> Result<(), ProtocolError> {
        let flex = version >= 0;
        if version >= 0 {
            if flex {
                put_compact_string(buf, self.group_id);
            } else {
                put_string(buf, self.group_id);
            }
        }
        if version >= 0 {
            {
                let len = (self.topics).as_ref().map(Vec::len);
                crate::primitives::array::put_nullable_array_len(buf, len, flex);
                if let Some(v) = &self.topics {
                    for it in v {
                        it.encode(buf, version)?;
                    }
                }
            }
        }
        if flex {
            let tagged = WriteTaggedFields::new();
            tagged.write(buf, &self.unknown_tagged_fields);
        }
        Ok(())
    }
    fn encoded_len(&self, version: i16) -> usize {
        let flex = version >= 0;
        let mut n: usize = 0;
        if version >= 0 {
            n += if flex {
                compact_string_len(self.group_id)
            } else {
                string_len(self.group_id)
            };
        }
        if version >= 0 {
            n += {
                let opt: Option<&Vec<_>> = (self.topics).as_ref();
                let prefix = crate::primitives::array::nullable_array_len_prefix_len(
                    opt.map(std::vec::Vec::len),
                    flex,
                );
                let body: usize =
                    opt.map_or(0, |v| v.iter().map(|it| it.encoded_len(version)).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 DescribeShareGroupOffsetsRequestGroup<'de> {
    fn decode_borrow(buf: &mut &'de [u8], version: i16) -> Result<Self, ProtocolError> {
        let flex = version >= 0;
        let mut out = Self::default();
        if version >= 0 {
            out.group_id = if flex {
                get_compact_string_borrowed(buf)?
            } else {
                get_string_borrowed(buf)?
            };
        }
        if version >= 0 {
            out.topics = {
                let opt = crate::primitives::array::get_nullable_array_len(buf, flex)?;
                match opt {
                    None => None,
                    Some(n) => {
                        let mut v = Vec::with_capacity(n);
                        for _ in 0..n {
                            v.push(DescribeShareGroupOffsetsRequestTopic::decode_borrow(
                                buf, version,
                            )?);
                        }
                        Some(v)
                    }
                }
            };
        }
        if flex {
            out.unknown_tagged_fields = read_tagged_fields(buf, |_tag, _payload| Ok(false))?;
        }
        Ok(out)
    }
}
#[cfg(test)]
impl DescribeShareGroupOffsetsRequestGroup<'_> {
    #[must_use]
    pub fn populated(version: i16) -> Self {
        let mut m = Self::default();
        if version >= 0 {
            m.group_id = "x";
        }
        if version >= 0 {
            m.topics = Some(vec![DescribeShareGroupOffsetsRequestTopic::populated(
                version,
            )]);
        }
        m
    }
}
#[derive(Debug, Clone, PartialEq, Eq, Default)]
pub struct DescribeShareGroupOffsetsRequestTopic<'a> {
    pub topic_name: &'a str,
    pub partitions: Vec<i32>,
    pub unknown_tagged_fields: UnknownTaggedFields,
}
impl DescribeShareGroupOffsetsRequestTopic<'_> {
    pub fn to_owned(
        &self,
    ) -> crate::owned::describe_share_group_offsets_request::DescribeShareGroupOffsetsRequestTopic
    {
        crate::owned::describe_share_group_offsets_request::DescribeShareGroupOffsetsRequestTopic {
            topic_name: (self.topic_name).to_string(),
            partitions: (self.partitions).clone(),
            unknown_tagged_fields: self.unknown_tagged_fields.clone(),
        }
    }
}
impl Encode for DescribeShareGroupOffsetsRequestTopic<'_> {
    fn encode<B: BufMut>(&self, buf: &mut B, version: i16) -> Result<(), ProtocolError> {
        let flex = version >= 0;
        if version >= 0 {
            if flex {
                put_compact_string(buf, self.topic_name);
            } else {
                put_string(buf, self.topic_name);
            }
        }
        if version >= 0 {
            {
                crate::primitives::array::put_array_len(buf, (self.partitions).len(), flex);
                for it in &self.partitions {
                    put_i32(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 = version >= 0;
        let mut n: usize = 0;
        if version >= 0 {
            n += if flex {
                compact_string_len(self.topic_name)
            } else {
                string_len(self.topic_name)
            };
        }
        if version >= 0 {
            n += {
                let prefix =
                    crate::primitives::array::array_len_prefix_len((self.partitions).len(), flex);
                let body: usize = (self.partitions).iter().map(|_| 4).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 DescribeShareGroupOffsetsRequestTopic<'de> {
    fn decode_borrow(buf: &mut &'de [u8], version: i16) -> Result<Self, ProtocolError> {
        let flex = version >= 0;
        let mut out = Self::default();
        if version >= 0 {
            out.topic_name = if flex {
                get_compact_string_borrowed(buf)?
            } else {
                get_string_borrowed(buf)?
            };
        }
        if version >= 0 {
            out.partitions = {
                let n = crate::primitives::array::get_array_len(buf, flex)?;
                let mut v = Vec::with_capacity(n);
                for _ in 0..n {
                    v.push(get_i32(buf)?);
                }
                v
            };
        }
        if flex {
            out.unknown_tagged_fields = read_tagged_fields(buf, |_tag, _payload| Ok(false))?;
        }
        Ok(out)
    }
}
#[cfg(test)]
impl DescribeShareGroupOffsetsRequestTopic<'_> {
    #[must_use]
    pub fn populated(version: i16) -> Self {
        let mut m = Self::default();
        if version >= 0 {
            m.topic_name = "x";
        }
        if version >= 0 {
            m.partitions = vec![1i32];
        }
        m
    }
}