use crate::{Array, ArrayBuffer, Env, Error, IntoNodeApi, Null, Object, Result, String, Value};
use serde::Serialize;
impl<'a> serde::Serializer for Env<'a> {
type Ok = Value<'a>;
type Error = Error;
type SerializeSeq = SeqSerializer<'a>;
type SerializeTuple = TupleSerializer<'a>;
type SerializeTupleStruct = TupleStructSerializer<'a>;
type SerializeTupleVariant = TupleVariantSerializer<'a>;
type SerializeMap = MapSerializer<'a>;
type SerializeStruct = StructSerializer<'a>;
type SerializeStructVariant = StructVariantSerializer<'a>;
fn serialize_bool(self, value: bool) -> Result<Self::Ok, Self::Error> {
value.into_node_api(self)
}
fn serialize_i8(self, value: i8) -> Result<Self::Ok, Self::Error> {
value.into_node_api(self)
}
fn serialize_i16(self, value: i16) -> Result<Self::Ok, Self::Error> {
value.into_node_api(self)
}
fn serialize_i32(self, value: i32) -> Result<Self::Ok, Self::Error> {
value.into_node_api(self)
}
fn serialize_i64(self, value: i64) -> Result<Self::Ok, Self::Error> {
value.into_node_api(self)
}
fn serialize_u8(self, value: u8) -> Result<Self::Ok, Self::Error> {
value.into_node_api(self)
}
fn serialize_u16(self, value: u16) -> Result<Self::Ok, Self::Error> {
value.into_node_api(self)
}
fn serialize_u32(self, value: u32) -> Result<Self::Ok, Self::Error> {
value.into_node_api(self)
}
fn serialize_u64(self, value: u64) -> Result<Self::Ok, Self::Error> {
value.into_node_api(self)
}
fn serialize_f32(self, value: f32) -> Result<Self::Ok, Self::Error> {
value.into_node_api(self)
}
fn serialize_f64(self, value: f64) -> Result<Self::Ok, Self::Error> {
value.into_node_api(self)
}
fn serialize_char(self, value: char) -> Result<Self::Ok, Self::Error> {
value.into_node_api(self)
}
fn serialize_str(self, value: &str) -> Result<Self::Ok, Self::Error> {
Ok(String::new(self, value)?.value())
}
fn serialize_bytes(self, value: &[u8]) -> Result<Self::Ok, Self::Error> {
Ok(ArrayBuffer::new(self, value)?.value())
}
fn serialize_none(self) -> Result<Self::Ok, Self::Error> {
Ok(Null::new(self)?.value())
}
fn serialize_some<T: ?Sized>(self, value: &T) -> Result<Self::Ok, Self::Error>
where
T: serde::Serialize,
{
value.serialize(self)
}
fn serialize_unit(self) -> Result<Self::Ok, Self::Error> {
Ok(Null::new(self)?.value())
}
fn serialize_unit_struct(self, _name: &'static str) -> Result<Self::Ok, Self::Error> {
self.serialize_unit()
}
fn serialize_unit_variant(
self,
_name: &'static str,
_variant_index: u32,
variant: &'static str,
) -> Result<Self::Ok, Self::Error> {
self.serialize_str(variant)
}
fn serialize_newtype_struct<T: ?Sized>(
self,
_name: &'static str,
value: &T,
) -> Result<Self::Ok, Self::Error>
where
T: serde::Serialize,
{
value.serialize(self)
}
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,
{
let mut object = Object::new(self)?;
let key = variant.serialize(self)?;
let value = value.serialize(self)?;
object.set(key, value)?;
Ok(object.value())
}
fn serialize_seq(self, len: Option<usize>) -> Result<Self::SerializeSeq, Self::Error> {
SeqSerializer::new(self, len)
}
fn serialize_tuple(self, len: usize) -> Result<Self::SerializeTuple, Self::Error> {
TupleSerializer::new(self, len)
}
fn serialize_tuple_struct(
self,
_name: &'static str,
len: usize,
) -> Result<Self::SerializeTupleStruct, Self::Error> {
TupleStructSerializer::new(self, len)
}
fn serialize_tuple_variant(
self,
_name: &'static str,
_variant_index: u32,
variant: &'static str,
len: usize,
) -> Result<Self::SerializeTupleVariant, Self::Error> {
TupleVariantSerializer::new(self, variant, len)
}
fn serialize_map(self, len: Option<usize>) -> Result<Self::SerializeMap, Self::Error> {
MapSerializer::new(self, len)
}
fn serialize_struct(
self,
_name: &'static str,
len: usize,
) -> Result<Self::SerializeStruct, Self::Error> {
StructSerializer::new(self, len)
}
fn serialize_struct_variant(
self,
_name: &'static str,
_variant_index: u32,
_variant: &'static str,
len: usize,
) -> Result<Self::SerializeStructVariant, Self::Error> {
StructVariantSerializer::new(self, len)
}
}
pub struct SeqSerializer<'a> {
array: Array<'a>,
}
impl<'a> SeqSerializer<'a> {
pub fn new(env: Env, _len: Option<usize>) -> Result<SeqSerializer> {
let array = Array::new(env)?;
Ok(SeqSerializer { array })
}
}
impl<'a> serde::ser::SerializeSeq for SeqSerializer<'a> {
type Ok = Value<'a>;
type Error = Error;
fn serialize_element<T: ?Sized>(&mut self, value: &T) -> Result<(), Self::Error>
where
T: serde::Serialize,
{
let value = value.serialize(self.array.env())?;
self.array.push(value)?;
Ok(())
}
fn end(self) -> Result<Self::Ok, Self::Error> {
Ok(self.array.value())
}
}
pub struct TupleSerializer<'a> {
array: Array<'a>,
}
impl<'a> TupleSerializer<'a> {
pub fn new(env: Env, _len: usize) -> Result<TupleSerializer> {
let array = Array::new(env)?;
Ok(TupleSerializer { array })
}
}
impl<'a> serde::ser::SerializeTuple for TupleSerializer<'a> {
type Ok = Value<'a>;
type Error = Error;
fn serialize_element<T: ?Sized>(&mut self, value: &T) -> Result<(), Self::Error>
where
T: serde::Serialize,
{
let value = value.serialize(self.array.env())?;
self.array.push(value)?;
Ok(())
}
fn end(self) -> Result<Self::Ok, Self::Error> {
Ok(self.array.value())
}
}
pub struct TupleStructSerializer<'a> {
array: Array<'a>,
}
impl<'a> TupleStructSerializer<'a> {
pub fn new(env: Env, _len: usize) -> Result<TupleStructSerializer> {
let array = Array::new(env)?;
Ok(TupleStructSerializer { array })
}
}
impl<'a> serde::ser::SerializeTupleStruct for TupleStructSerializer<'a> {
type Ok = Value<'a>;
type Error = Error;
fn serialize_field<T: ?Sized>(&mut self, value: &T) -> Result<(), Self::Error>
where
T: serde::Serialize,
{
let value = value.serialize(self.array.env())?;
self.array.push(value)?;
Ok(())
}
fn end(self) -> Result<Self::Ok, Self::Error> {
Ok(self.array.value())
}
}
pub struct TupleVariantSerializer<'a> {
env: Env<'a>,
variant: String<'a>,
array: Array<'a>,
}
impl<'a> TupleVariantSerializer<'a> {
pub fn new(env: Env<'a>, variant: &str, _len: usize) -> Result<TupleVariantSerializer<'a>> {
let variant = String::new(env, variant)?;
let array = Array::new(env)?;
Ok(TupleVariantSerializer {
env,
variant,
array,
})
}
}
impl<'a> serde::ser::SerializeTupleVariant for TupleVariantSerializer<'a> {
type Ok = Value<'a>;
type Error = Error;
fn serialize_field<T: ?Sized>(&mut self, value: &T) -> Result<(), Self::Error>
where
T: serde::Serialize,
{
let value = value.serialize(self.array.env())?;
self.array.push(value)?;
Ok(())
}
fn end(self) -> Result<Self::Ok, Self::Error> {
let mut object = Object::new(self.env)?;
object.set(self.variant, self.array)?;
Ok(object.value())
}
}
pub struct MapSerializer<'a> {
object: Object<'a>,
key: Option<Value<'a>>,
}
impl<'a> MapSerializer<'a> {
pub fn new(env: Env<'a>, _len: Option<usize>) -> Result<MapSerializer<'a>> {
let object = Object::new(env)?;
Ok(MapSerializer { object, key: None })
}
}
impl<'a> serde::ser::SerializeMap for MapSerializer<'a> {
type Ok = Value<'a>;
type Error = Error;
fn serialize_key<T: ?Sized>(&mut self, key: &T) -> Result<(), Self::Error>
where
T: serde::Serialize,
{
self.key = Some(key.serialize(self.object.env())?);
Ok(())
}
fn serialize_value<T: ?Sized>(&mut self, value: &T) -> Result<(), Self::Error>
where
T: serde::Serialize,
{
let key = self
.key
.take()
.expect("serialize_value called before serialize_key");
let value = value.serialize(self.object.env())?;
self.object.set(key, value)?;
Ok(())
}
fn end(self) -> Result<Self::Ok, Self::Error> {
Ok(self.object.value())
}
}
pub struct StructSerializer<'a> {
object: Object<'a>,
}
impl<'a> StructSerializer<'a> {
pub fn new(env: Env<'a>, _len: usize) -> Result<StructSerializer<'a>> {
let object = Object::new(env)?;
Ok(StructSerializer { object })
}
}
impl<'a> serde::ser::SerializeStruct for StructSerializer<'a> {
type Ok = Value<'a>;
type Error = Error;
fn serialize_field<T: ?Sized>(
&mut self,
key: &'static str,
value: &T,
) -> Result<(), Self::Error>
where
T: serde::Serialize,
{
let key = serde::Serializer::serialize_str(self.object.env(), key)?;
let value = value.serialize(self.object.env())?;
self.object.set(key, value)?;
Ok(())
}
fn end(self) -> Result<Self::Ok, Self::Error> {
Ok(self.object.value())
}
}
pub struct StructVariantSerializer<'a> {
object: Object<'a>,
}
impl<'a> StructVariantSerializer<'a> {
pub fn new(env: Env<'a>, _len: usize) -> Result<StructVariantSerializer<'a>> {
let object = Object::new(env)?;
Ok(StructVariantSerializer { object })
}
}
impl<'a> serde::ser::SerializeStructVariant for StructVariantSerializer<'a> {
type Ok = Value<'a>;
type Error = Error;
fn serialize_field<T: ?Sized>(
&mut self,
key: &'static str,
value: &T,
) -> Result<(), Self::Error>
where
T: serde::Serialize,
{
let key = serde::Serializer::serialize_str(self.object.env(), key)?;
let value = value.serialize(self.object.env())?;
self.object.set(key, value)?;
Ok(())
}
fn end(self) -> Result<Self::Ok, Self::Error> {
Ok(self.object.value())
}
}
impl serde::ser::Error for Error {
fn custom<T>(msg: T) -> Self
where
T: std::fmt::Display,
{
Error::message(msg.to_string())
}
}