serde_hooks 0.1.1

use std::fmt::Display;

use serde::ser::{
    SerializeMap, SerializeSeq, SerializeStruct, SerializeStructVariant, SerializeTuple,
    SerializeTupleStruct, SerializeTupleVariant,
};
use serde::Serializer;

#[derive(Debug, thiserror::Error)]
#[error("{0}")]
pub struct Error(String);

impl serde::ser::Error for Error {
    fn custom<T>(msg: T) -> Self
    where
        T: Display,
    {
        Self(msg.to_string())
    }
}

pub struct VoidSerializer;

impl Serializer for VoidSerializer {
    type Ok = ();

    type Error = Error;

    type SerializeSeq = Self;

    type SerializeTuple = Self;

    type SerializeTupleStruct = Self;

    type SerializeTupleVariant = Self;

    type SerializeMap = Self;

    type SerializeStruct = Self;

    type SerializeStructVariant = Self;

    fn serialize_bool(self, _v: bool) -> Result<Self::Ok, Self::Error> {
        Ok(())
    }

    fn serialize_i8(self, _v: i8) -> Result<Self::Ok, Self::Error> {
        Ok(())
    }

    fn serialize_i16(self, _v: i16) -> Result<Self::Ok, Self::Error> {
        Ok(())
    }

    fn serialize_i32(self, _v: i32) -> Result<Self::Ok, Self::Error> {
        Ok(())
    }

    fn serialize_i64(self, _v: i64) -> Result<Self::Ok, Self::Error> {
        Ok(())
    }

    fn serialize_i128(self, _v: i128) -> Result<Self::Ok, Self::Error> {
        Ok(())
    }

    fn serialize_u8(self, _v: u8) -> Result<Self::Ok, Self::Error> {
        Ok(())
    }

    fn serialize_u16(self, _v: u16) -> Result<Self::Ok, Self::Error> {
        Ok(())
    }

    fn serialize_u32(self, _v: u32) -> Result<Self::Ok, Self::Error> {
        Ok(())
    }

    fn serialize_u64(self, _v: u64) -> Result<Self::Ok, Self::Error> {
        Ok(())
    }

    fn serialize_u128(self, _v: u128) -> Result<Self::Ok, Self::Error> {
        Ok(())
    }

    fn serialize_f32(self, _v: f32) -> Result<Self::Ok, Self::Error> {
        Ok(())
    }

    fn serialize_f64(self, _v: f64) -> Result<Self::Ok, Self::Error> {
        Ok(())
    }

    fn serialize_char(self, _v: char) -> Result<Self::Ok, Self::Error> {
        Ok(())
    }

    fn serialize_str(self, _v: &str) -> Result<Self::Ok, Self::Error> {
        Ok(())
    }

    fn serialize_bytes(self, _v: &[u8]) -> Result<Self::Ok, Self::Error> {
        Ok(())
    }

    fn serialize_none(self) -> Result<Self::Ok, Self::Error> {
        Ok(())
    }

    fn serialize_some<T: ?Sized>(self, value: &T) -> Result<Self::Ok, Self::Error>
    where
        T: serde::Serialize,
    {
        value.serialize(VoidSerializer)
    }

    fn serialize_unit(self) -> Result<Self::Ok, Self::Error> {
        Ok(())
    }

    fn serialize_unit_struct(self, _name: &'static str) -> Result<Self::Ok, Self::Error> {
        Ok(())
    }

    fn serialize_unit_variant(
        self,
        _name: &'static str,
        _variant_index: u32,
        _variant: &'static str,
    ) -> Result<Self::Ok, Self::Error> {
        Ok(())
    }

    fn serialize_newtype_struct<T: ?Sized>(
        self,
        _name: &'static str,
        _value: &T,
    ) -> Result<Self::Ok, Self::Error>
    where
        T: serde::Serialize,
    {
        Ok(())
    }

    fn serialize_newtype_variant<T: ?Sized>(
        self,
        _name: &'static str,
        _variant_index: u32,
        _variant: &'static str,
        _value: &T,
    ) -> Result<Self::Ok, Self::Error>
    where
        T: serde::Serialize,
    {
        Ok(())
    }

    fn serialize_seq(self, _len: Option<usize>) -> Result<Self::SerializeSeq, Self::Error> {
        Ok(self)
    }

    fn serialize_tuple(self, _len: usize) -> Result<Self::SerializeTuple, Self::Error> {
        Ok(self)
    }

    fn serialize_tuple_struct(
        self,
        _name: &'static str,
        _len: usize,
    ) -> Result<Self::SerializeTupleStruct, Self::Error> {
        Ok(self)
    }

    fn serialize_tuple_variant(
        self,
        _name: &'static str,
        _variant_index: u32,
        _variant: &'static str,
        _len: usize,
    ) -> Result<Self::SerializeTupleVariant, Self::Error> {
        Ok(self)
    }

    fn serialize_map(self, _len: Option<usize>) -> Result<Self::SerializeMap, Self::Error> {
        Ok(self)
    }

    fn serialize_struct(
        self,
        _name: &'static str,
        _len: usize,
    ) -> Result<Self::SerializeStruct, Self::Error> {
        Ok(self)
    }

    fn serialize_struct_variant(
        self,
        _name: &'static str,
        _variant_index: u32,
        _variant: &'static str,
        _len: usize,
    ) -> Result<Self::SerializeStructVariant, Self::Error> {
        Ok(self)
    }
}

impl SerializeSeq for VoidSerializer {
    type Ok = ();

    type Error = Error;

    fn serialize_element<T: ?Sized>(&mut self, value: &T) -> Result<(), Self::Error>
    where
        T: serde::Serialize,
    {
        value.serialize(VoidSerializer)
    }

    fn end(self) -> Result<Self::Ok, Self::Error> {
        Ok(())
    }
}

impl SerializeTuple for VoidSerializer {
    type Ok = ();

    type Error = Error;

    fn serialize_element<T: ?Sized>(&mut self, value: &T) -> Result<(), Self::Error>
    where
        T: serde::Serialize,
    {
        value.serialize(VoidSerializer)
    }

    fn end(self) -> Result<Self::Ok, Self::Error> {
        Ok(())
    }
}

impl SerializeTupleStruct for VoidSerializer {
    type Ok = ();

    type Error = Error;

    fn serialize_field<T: ?Sized>(&mut self, value: &T) -> Result<(), Self::Error>
    where
        T: serde::Serialize,
    {
        value.serialize(VoidSerializer)
    }

    fn end(self) -> Result<Self::Ok, Self::Error> {
        Ok(())
    }
}

impl SerializeTupleVariant for VoidSerializer {
    type Ok = ();

    type Error = Error;

    fn serialize_field<T: ?Sized>(&mut self, value: &T) -> Result<(), Self::Error>
    where
        T: serde::Serialize,
    {
        value.serialize(VoidSerializer)
    }

    fn end(self) -> Result<Self::Ok, Self::Error> {
        Ok(())
    }
}

impl SerializeMap for VoidSerializer {
    type Ok = ();

    type Error = Error;

    fn serialize_key<T: ?Sized>(&mut self, key: &T) -> Result<(), Self::Error>
    where
        T: serde::Serialize,
    {
        key.serialize(VoidSerializer)
    }

    fn serialize_value<T: ?Sized>(&mut self, value: &T) -> Result<(), Self::Error>
    where
        T: serde::Serialize,
    {
        value.serialize(VoidSerializer)
    }

    fn end(self) -> Result<Self::Ok, Self::Error> {
        Ok(())
    }
}

impl SerializeStruct for VoidSerializer {
    type Ok = ();

    type Error = Error;

    fn serialize_field<T: ?Sized>(
        &mut self,
        _key: &'static str,
        value: &T,
    ) -> Result<(), Self::Error>
    where
        T: serde::Serialize,
    {
        value.serialize(VoidSerializer)
    }

    fn end(self) -> Result<Self::Ok, Self::Error> {
        Ok(())
    }
}

impl SerializeStructVariant for VoidSerializer {
    type Ok = ();

    type Error = Error;

    fn serialize_field<T: ?Sized>(
        &mut self,
        _key: &'static str,
        value: &T,
    ) -> Result<(), Self::Error>
    where
        T: serde::Serialize,
    {
        value.serialize(VoidSerializer)
    }

    fn end(self) -> Result<Self::Ok, Self::Error> {
        Ok(())
    }
}