crabka-protocol 0.3.3

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_i8, put_i8};
use crate::primitives::string_bytes::{
    compact_nullable_string_len, compact_string_len, nullable_string_len,
    put_compact_nullable_string, put_compact_string, put_nullable_string, put_string, string_len,
};
use crate::primitives::string_bytes_borrowed::{
    get_compact_nullable_string_borrowed, get_compact_string_borrowed,
    get_nullable_string_borrowed, get_string_borrowed,
};
use crate::tagged_fields::{WriteTaggedFields, read_tagged_fields, tagged_fields_len};
use crate::{DecodeBorrow, Encode, ProtocolError, UnknownTaggedFields};
pub const MIN_VERSION: i16 = 0;
pub const MAX_VERSION: i16 = 0;
pub const FLEXIBLE_MIN: i16 = 0;

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

#[derive(Debug, Clone, PartialEq, Eq, Default)]
pub struct ConfigRecord<'a> {
    pub resource_type: i8,
    pub resource_name: &'a str,
    pub name: &'a str,
    pub value: Option<&'a str>,
    pub unknown_tagged_fields: UnknownTaggedFields,
}
impl ConfigRecord<'_> {
    pub fn to_owned(&self) -> crate::owned::config_record::ConfigRecord {
        crate::owned::config_record::ConfigRecord {
            resource_type: (self.resource_type),
            resource_name: (self.resource_name).to_string(),
            name: (self.name).to_string(),
            value: (self.value).map(std::string::ToString::to_string),
            unknown_tagged_fields: self.unknown_tagged_fields.clone(),
        }
    }
}
impl Encode for ConfigRecord<'_> {
    fn encode<B: BufMut>(&self, buf: &mut B, version: i16) -> Result<(), ProtocolError> {
        if !(MIN_VERSION..=MAX_VERSION).contains(&version) {
            return Err(ProtocolError::SchemaMismatch(
                "ConfigRecord version out of range",
            ));
        }
        let flex = is_flexible(version);
        if version >= 0 {
            put_i8(buf, self.resource_type);
        }
        if version >= 0 {
            if flex {
                put_compact_string(buf, self.resource_name);
            } else {
                put_string(buf, self.resource_name);
            }
        }
        if version >= 0 {
            if flex {
                put_compact_string(buf, self.name);
            } else {
                put_string(buf, self.name);
            }
        }
        if version >= 0 {
            if flex {
                put_compact_nullable_string(buf, self.value);
            } else {
                put_nullable_string(buf, self.value);
            }
        }
        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 += 1;
        }
        if version >= 0 {
            n += if flex {
                compact_string_len(self.resource_name)
            } else {
                string_len(self.resource_name)
            };
        }
        if version >= 0 {
            n += if flex {
                compact_string_len(self.name)
            } else {
                string_len(self.name)
            };
        }
        if version >= 0 {
            n += if flex {
                compact_nullable_string_len(self.value)
            } else {
                nullable_string_len(self.value)
            };
        }
        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 ConfigRecord<'de> {
    fn decode_borrow(buf: &mut &'de [u8], version: i16) -> Result<Self, ProtocolError> {
        if !(MIN_VERSION..=MAX_VERSION).contains(&version) {
            return Err(ProtocolError::SchemaMismatch(
                "ConfigRecord version out of range",
            ));
        }
        let flex = is_flexible(version);
        let mut out = Self::default();
        if version >= 0 {
            out.resource_type = get_i8(buf)?;
        }
        if version >= 0 {
            out.resource_name = if flex {
                get_compact_string_borrowed(buf)?
            } else {
                get_string_borrowed(buf)?
            };
        }
        if version >= 0 {
            out.name = if flex {
                get_compact_string_borrowed(buf)?
            } else {
                get_string_borrowed(buf)?
            };
        }
        if version >= 0 {
            out.value = if flex {
                get_compact_nullable_string_borrowed(buf)?
            } else {
                get_nullable_string_borrowed(buf)?
            };
        }
        if flex {
            out.unknown_tagged_fields = read_tagged_fields(buf, |_tag, _payload| Ok(false))?;
        }
        Ok(out)
    }
}
#[cfg(test)]
impl ConfigRecord<'_> {
    #[must_use]
    pub fn populated(version: i16) -> Self {
        let mut m = Self::default();
        if version >= 0 {
            m.resource_type = 1i8;
        }
        if version >= 0 {
            m.resource_name = "x";
        }
        if version >= 0 {
            m.name = "x";
        }
        if version >= 0 {
            m.value = Some("x");
        }
        m
    }
}