use crate::{
std::fmt,
stream,
value,
};
use super::error::{
err,
Error,
};
use serde1_lib::ser::{
self,
Serialize,
SerializeMap,
SerializeSeq,
SerializeStruct,
SerializeStructVariant,
SerializeTuple,
SerializeTupleStruct,
SerializeTupleVariant,
};
#[derive(Clone, Copy, PartialEq, Eq, PartialOrd, Ord, Hash)]
pub struct ToValue<T>(pub(super) T);
impl<T> value::Value for ToValue<T>
where
T: Serialize,
{
fn stream(&self, stream: &mut value::Stream) -> value::Result {
self.0
.serialize(Serializer(stream))
.map_err(err("error streaming serde"))?;
Ok(())
}
}
struct Serializer<T>(T);
impl<'a, 'b> ser::Serializer for Serializer<&'a mut value::Stream<'b>> {
type Ok = ();
type Error = Error;
type SerializeSeq = Serializer<&'a mut value::Stream<'b>>;
type SerializeTuple = Serializer<&'a mut value::Stream<'b>>;
type SerializeTupleStruct = Serializer<&'a mut value::Stream<'b>>;
type SerializeTupleVariant = Serializer<&'a mut value::Stream<'b>>;
type SerializeMap = Serializer<&'a mut value::Stream<'b>>;
type SerializeStruct = Serializer<&'a mut value::Stream<'b>>;
type SerializeStructVariant = Serializer<&'a mut value::Stream<'b>>;
#[inline]
fn serialize_bool(self, v: bool) -> Result<Self::Ok, Self::Error> {
self.0.bool(v)?;
Ok(())
}
#[inline]
fn serialize_i8(self, v: i8) -> Result<Self::Ok, Self::Error> {
self.serialize_i64(i64::from(v))?;
Ok(())
}
#[inline]
fn serialize_i16(self, v: i16) -> Result<Self::Ok, Self::Error> {
self.serialize_i64(i64::from(v))?;
Ok(())
}
#[inline]
fn serialize_i32(self, v: i32) -> Result<Self::Ok, Self::Error> {
self.serialize_i64(i64::from(v))?;
Ok(())
}
#[inline]
fn serialize_i64(self, v: i64) -> Result<Self::Ok, Self::Error> {
self.0.i64(v)?;
Ok(())
}
#[inline]
fn serialize_u8(self, v: u8) -> Result<Self::Ok, Self::Error> {
self.serialize_u64(u64::from(v))?;
Ok(())
}
#[inline]
fn serialize_u16(self, v: u16) -> Result<Self::Ok, Self::Error> {
self.serialize_u64(u64::from(v))?;
Ok(())
}
#[inline]
fn serialize_u32(self, v: u32) -> Result<Self::Ok, Self::Error> {
self.serialize_u64(u64::from(v))?;
Ok(())
}
#[inline]
fn serialize_u64(self, v: u64) -> Result<Self::Ok, Self::Error> {
self.0.u64(v)?;
Ok(())
}
#[inline]
fn serialize_i128(self, v: i128) -> Result<Self::Ok, Self::Error> {
self.0.i128(v)?;
Ok(())
}
#[inline]
fn serialize_u128(self, v: u128) -> Result<Self::Ok, Self::Error> {
self.0.u128(v)?;
Ok(())
}
#[inline]
fn serialize_f32(self, v: f32) -> Result<Self::Ok, Self::Error> {
self.serialize_f64(f64::from(v))?;
Ok(())
}
#[inline]
fn serialize_f64(self, v: f64) -> Result<Self::Ok, Self::Error> {
self.0.f64(v)?;
Ok(())
}
#[inline]
fn serialize_char(self, v: char) -> Result<Self::Ok, Self::Error> {
self.0.char(v)?;
Ok(())
}
#[inline]
fn serialize_str(self, v: &str) -> Result<Self::Ok, Self::Error> {
self.0.str(v)?;
Ok(())
}
#[inline]
fn collect_str<T>(self, v: &T) -> Result<Self::Ok, Self::Error>
where
T: ?Sized + fmt::Display,
{
self.0.any(stream::Arguments::from(format_args!("{}", v)))?;
Ok(())
}
#[inline]
fn serialize_bytes(self, v: &[u8]) -> Result<Self::Ok, Self::Error> {
self.0.seq_begin(Some(v.len()))?;
for b in v {
self.0.seq_elem(b)?;
}
self.0.seq_end()?;
Ok(())
}
#[inline]
fn serialize_none(self) -> Result<Self::Ok, Self::Error> {
self.serialize_unit()
}
#[inline]
fn serialize_some<T>(self, value: &T) -> Result<Self::Ok, Self::Error>
where
T: ?Sized + Serialize,
{
value.serialize(self)?;
Ok(())
}
#[inline]
fn serialize_unit(self) -> Result<Self::Ok, Self::Error> {
self.0.none()?;
Ok(())
}
#[inline]
fn serialize_unit_struct(self, _: &'static str) -> Result<Self::Ok, Self::Error> {
self.serialize_unit()
}
#[inline]
fn serialize_unit_variant(
self,
_: &'static str,
_: u32,
variant: &'static str,
) -> Result<Self::Ok, Self::Error> {
self.serialize_str(variant)
}
#[inline]
fn serialize_newtype_struct<T>(
self,
_: &'static str,
value: &T,
) -> Result<Self::Ok, Self::Error>
where
T: ?Sized + Serialize,
{
value.serialize(self)
}
#[inline]
fn serialize_newtype_variant<T>(
self,
_: &'static str,
_: u32,
variant: &'static str,
value: &T,
) -> Result<Self::Ok, Self::Error>
where
T: ?Sized + Serialize,
{
self.0.map_begin(Some(1))?;
self.0.map_key(variant)?;
self.0.map_value_begin()?.seq_begin(Some(1))?;
self.0.seq_elem(ToValue(value))?;
self.0.seq_end()?;
self.0.map_end()?;
Ok(())
}
#[inline]
fn serialize_seq(self, len: Option<usize>) -> Result<Self::SerializeSeq, Self::Error> {
self.0.seq_begin(len)?;
Ok(self)
}
#[inline]
fn serialize_tuple(self, len: usize) -> Result<Self::SerializeTuple, Self::Error> {
self.0.seq_begin(Some(len))?;
Ok(self)
}
#[inline]
fn serialize_tuple_struct(
self,
_: &'static str,
len: usize,
) -> Result<Self::SerializeTupleStruct, Self::Error> {
self.0.seq_begin(Some(len))?;
Ok(self)
}
#[inline]
fn serialize_tuple_variant(
self,
_: &'static str,
_: u32,
variant: &'static str,
len: usize,
) -> Result<Self::SerializeTupleVariant, Self::Error> {
self.0.map_begin(Some(1))?;
self.0.map_key(variant)?;
self.0.map_value_begin()?.seq_begin(Some(len))?;
Ok(self)
}
#[inline]
fn serialize_map(self, len: Option<usize>) -> Result<Self::SerializeMap, Self::Error> {
self.0.map_begin(len)?;
Ok(self)
}
#[inline]
fn serialize_struct(
self,
_: &'static str,
len: usize,
) -> Result<Self::SerializeStruct, Self::Error> {
self.0.map_begin(Some(len))?;
Ok(self)
}
#[inline]
fn serialize_struct_variant(
self,
_: &'static str,
_: u32,
variant: &'static str,
len: usize,
) -> Result<Self::SerializeStructVariant, Self::Error> {
self.0.map_begin(Some(1))?;
self.0.map_key(variant)?;
self.0.map_value_begin()?.map_begin(Some(len))?;
Ok(self)
}
}
impl<'a, 'b> SerializeSeq for Serializer<&'a mut value::Stream<'b>> {
type Ok = ();
type Error = Error;
#[inline]
fn serialize_element<T>(&mut self, value: &T) -> Result<Self::Ok, Self::Error>
where
T: ?Sized + Serialize,
{
self.0.seq_elem(ToValue(value))?;
Ok(())
}
#[inline]
fn end(self) -> Result<Self::Ok, Self::Error> {
self.0.seq_end()?;
Ok(())
}
}
impl<'a, 'b> SerializeTuple for Serializer<&'a mut value::Stream<'b>> {
type Ok = ();
type Error = Error;
#[inline]
fn serialize_element<T>(&mut self, value: &T) -> Result<Self::Ok, Self::Error>
where
T: ?Sized + Serialize,
{
self.0.seq_elem(ToValue(value))?;
Ok(())
}
#[inline]
fn end(self) -> Result<Self::Ok, Self::Error> {
self.0.seq_end()?;
Ok(())
}
}
impl<'a, 'b> SerializeTupleStruct for Serializer<&'a mut value::Stream<'b>> {
type Ok = ();
type Error = Error;
#[inline]
fn serialize_field<T>(&mut self, value: &T) -> Result<Self::Ok, Self::Error>
where
T: ?Sized + Serialize,
{
self.0.seq_elem(ToValue(value))?;
Ok(())
}
#[inline]
fn end(self) -> Result<Self::Ok, Self::Error> {
self.0.seq_end()?;
Ok(())
}
}
impl<'a, 'b> SerializeTupleVariant for Serializer<&'a mut value::Stream<'b>> {
type Ok = ();
type Error = Error;
#[inline]
fn serialize_field<T>(&mut self, value: &T) -> Result<Self::Ok, Self::Error>
where
T: ?Sized + Serialize,
{
self.0.seq_elem(ToValue(value))?;
Ok(())
}
#[inline]
fn end(self) -> Result<Self::Ok, Self::Error> {
self.0.seq_end()?;
self.0.map_end()?;
Ok(())
}
}
impl<'a, 'b> SerializeMap for Serializer<&'a mut value::Stream<'b>> {
type Ok = ();
type Error = Error;
#[inline]
fn serialize_key<T>(&mut self, key: &T) -> Result<Self::Ok, Self::Error>
where
T: ?Sized + Serialize,
{
self.0.map_key(ToValue(key))?;
Ok(())
}
#[inline]
fn serialize_value<T>(&mut self, value: &T) -> Result<Self::Ok, Self::Error>
where
T: ?Sized + Serialize,
{
self.0.map_value(ToValue(value))?;
Ok(())
}
#[inline]
fn end(self) -> Result<Self::Ok, Self::Error> {
self.0.map_end()?;
Ok(())
}
}
impl<'a, 'b> SerializeStruct for Serializer<&'a mut value::Stream<'b>> {
type Ok = ();
type Error = Error;
#[inline]
fn serialize_field<T>(&mut self, key: &'static str, value: &T) -> Result<Self::Ok, Self::Error>
where
T: ?Sized + Serialize,
{
self.0.map_key(key)?;
self.0.map_value(ToValue(value))?;
Ok(())
}
#[inline]
fn end(self) -> Result<Self::Ok, Self::Error> {
self.0.map_end()?;
Ok(())
}
}
impl<'a, 'b> SerializeStructVariant for Serializer<&'a mut value::Stream<'b>> {
type Ok = ();
type Error = Error;
#[inline]
fn serialize_field<T>(&mut self, key: &'static str, value: &T) -> Result<Self::Ok, Self::Error>
where
T: ?Sized + Serialize,
{
self.0.map_key(key)?;
self.0.map_value(ToValue(value))?;
Ok(())
}
#[inline]
fn end(self) -> Result<Self::Ok, Self::Error> {
self.0.map_end()?;
self.0.map_end()?;
Ok(())
}
}