serde_encom 0.4.0

Official EnCom library
Documentation 
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use crate::des::deserializer::{Deserializer, SavedType};
use crate::des::read::Read;
use crate::error::{Error, ErrorCode, Result};
#[cfg(feature = "float_roundtrip")]
use crate::lexical;
use serde::de;

pub(crate) struct SavedSeqDeserializer<'a, 's, R> {
    pub(crate) des: &'a mut Deserializer<R>,
    pub(crate) saved_type: &'s mut SavedType,
}

impl<'de, 'a, R: Read<'de>> de::Deserializer<'de> for SavedSeqDeserializer<'a, '_, R> {
    type Error = Error;

    #[inline]
    fn deserialize_any<V>(self, visitor: V) -> Result<V::Value>
    where
        V: de::Visitor<'de>,
    {
        /* if self.des.read.saved_is_empty() {
            return Err(self.des.peek_error(ErrorCode::EofWhileParsingList)); // todo: change err?
        } */

        let parsed_int = atoi_simd::parse(self.des.read.get_saved())?;
        let ret = match self.saved_type {
            SavedType::Str => self
                .des
                .deserialize_str_by_len(visitor, parsed_int as usize),
            SavedType::Bytes => self
                .des
                .deserialize_bytes_by_len(visitor, parsed_int as usize),
            SavedType::Number => visitor.visit_u64(parsed_int),
            SavedType::FloatNumber => {
                visitor.visit_f64(self.des.parse_decimal(true, parsed_int, 0)?)
            }
            SavedType::None => Err(self.des.peek_error(ErrorCode::ExpectedSomeIdent)), // todo: new error?
        };
        self.des.read.clear_saved();
        *self.saved_type = SavedType::None;
        ret
    }

    to_inner_des_method!(deserialize_bool);
    to_inner_des_method!(deserialize_i8);
    to_inner_des_method!(deserialize_i16);
    to_inner_des_method!(deserialize_i32);
    to_inner_des_method!(deserialize_i64);
    to_inner_des_method!(deserialize_u8);
    to_inner_des_method!(deserialize_u16);
    to_inner_des_method!(deserialize_u32);
    to_inner_des_method!(deserialize_u64);
    to_inner_des_method!(deserialize_f32);
    to_inner_des_method!(deserialize_f64);
    to_inner_des_method!(deserialize_i128);
    to_inner_des_method!(deserialize_u128);
    to_inner_des_method!(deserialize_char);
    to_inner_des_method!(deserialize_str);
    to_inner_des_method!(deserialize_string);
    to_inner_des_method!(deserialize_bytes);
    to_inner_des_method!(deserialize_byte_buf);
    to_inner_des_method!(deserialize_option);
    to_inner_des_method!(deserialize_unit);
    to_inner_des_method!(deserialize_identifier);
    to_inner_des_method!(deserialize_ignored_any);
    to_inner_des_method!(deserialize_seq);

    #[inline]
    fn deserialize_unit_struct<V>(self, name: &'static str, visitor: V) -> Result<V::Value>
    where
        V: de::Visitor<'de>,
    {
        self.des.deserialize_unit_struct(name, visitor)
    }

    #[inline]
    fn deserialize_newtype_struct<V>(self, name: &'static str, visitor: V) -> Result<V::Value>
    where
        V: de::Visitor<'de>,
    {
        self.des.deserialize_newtype_struct(name, visitor)
    }

    #[inline]
    fn deserialize_tuple<V>(self, len: usize, visitor: V) -> Result<V::Value>
    where
        V: de::Visitor<'de>,
    {
        self.des.deserialize_tuple(len, visitor)
    }

    #[inline]
    fn deserialize_tuple_struct<V>(
        self,
        name: &'static str,
        len: usize,
        visitor: V,
    ) -> Result<V::Value>
    where
        V: de::Visitor<'de>,
    {
        self.des.deserialize_tuple_struct(name, len, visitor)
    }

    #[inline]
    fn deserialize_map<V>(self, visitor: V) -> Result<V::Value>
    where
        V: de::Visitor<'de>,
    {
        self.des.deserialize_map(visitor)
    }

    #[inline]
    fn deserialize_struct<V>(
        self,
        name: &'static str,
        fields: &'static [&'static str],
        visitor: V,
    ) -> Result<V::Value>
    where
        V: de::Visitor<'de>,
    {
        self.des.deserialize_struct(name, fields, visitor)
    }

    #[inline]
    fn deserialize_enum<V>(
        self,
        name: &'static str,
        variants: &'static [&'static str],
        visitor: V,
    ) -> Result<V::Value>
    where
        V: de::Visitor<'de>,
    {
        self.des.deserialize_enum(name, variants, visitor)
    }
}