689 lines
20 KiB
Rust
689 lines
20 KiB
Rust
//! Implement serialization support of [`Dynamic`][crate::Dynamic] for [`serde`].
|
|
|
|
use crate::{Dynamic, Position, RhaiError, RhaiResult, RhaiResultOf, ERR};
|
|
use serde::ser::{
|
|
Error, SerializeMap, SerializeSeq, SerializeStruct, SerializeTuple, SerializeTupleStruct,
|
|
};
|
|
use serde::{Serialize, Serializer};
|
|
use std::fmt;
|
|
#[cfg(feature = "no_std")]
|
|
use std::prelude::v1::*;
|
|
|
|
/// Serializer for [`Dynamic`][crate::Dynamic] which is kept as a reference.
|
|
struct DynamicSerializer {
|
|
/// Buffer to hold a temporary key.
|
|
_key: Dynamic,
|
|
/// Buffer to hold a temporary value.
|
|
_value: Dynamic,
|
|
}
|
|
|
|
impl DynamicSerializer {
|
|
/// Create a [`DynamicSerializer`] from a [`Dynamic`][crate::Dynamic] value.
|
|
#[must_use]
|
|
pub const fn new(_value: Dynamic) -> Self {
|
|
Self {
|
|
_key: Dynamic::UNIT,
|
|
_value,
|
|
}
|
|
}
|
|
}
|
|
|
|
/// Serialize a Rust type that implements [`serde::Serialize`] into a [`Dynamic`][crate::Dynamic].
|
|
///
|
|
/// # Example
|
|
///
|
|
/// ```
|
|
/// # fn main() -> Result<(), Box<rhai::EvalAltResult>> {
|
|
/// # #[cfg(not(feature = "no_index"))]
|
|
/// # #[cfg(not(feature = "no_object"))]
|
|
/// # #[cfg(not(feature = "no_float"))]
|
|
/// # {
|
|
/// use rhai::{Dynamic, Array, Map, INT};
|
|
/// use rhai::serde::to_dynamic;
|
|
/// use serde::Serialize;
|
|
///
|
|
/// #[derive(Debug, serde::Serialize, PartialEq)]
|
|
/// struct Point {
|
|
/// x: f64,
|
|
/// y: f64
|
|
/// }
|
|
///
|
|
/// #[derive(Debug, serde::Serialize, PartialEq)]
|
|
/// struct MyStruct {
|
|
/// a: i64,
|
|
/// b: Vec<String>,
|
|
/// c: bool,
|
|
/// d: Point
|
|
/// }
|
|
///
|
|
/// let x = MyStruct {
|
|
/// a: 42,
|
|
/// b: vec![ "hello".into(), "world".into() ],
|
|
/// c: true,
|
|
/// d: Point { x: 123.456, y: 999.0 }
|
|
/// };
|
|
///
|
|
/// // Convert the 'MyStruct' into a 'Dynamic'
|
|
/// let value = to_dynamic(x)?;
|
|
///
|
|
/// assert!(value.is::<Map>());
|
|
///
|
|
/// let map = value.cast::<Map>();
|
|
/// let point = map["d"].read_lock::<Map>().unwrap();
|
|
/// assert_eq!(*point["x"].read_lock::<f64>().unwrap(), 123.456);
|
|
/// assert_eq!(*point["y"].read_lock::<f64>().unwrap(), 999.0);
|
|
/// # }
|
|
/// # Ok(())
|
|
/// # }
|
|
/// ```
|
|
pub fn to_dynamic<T: Serialize>(value: T) -> RhaiResult {
|
|
let mut s = DynamicSerializer::new(Dynamic::UNIT);
|
|
value.serialize(&mut s)
|
|
}
|
|
|
|
impl Error for RhaiError {
|
|
fn custom<T: fmt::Display>(err: T) -> Self {
|
|
ERR::ErrorRuntime(err.to_string().into(), Position::NONE).into()
|
|
}
|
|
}
|
|
|
|
impl Serializer for &mut DynamicSerializer {
|
|
type Ok = Dynamic;
|
|
type Error = RhaiError;
|
|
type SerializeSeq = DynamicSerializer;
|
|
type SerializeTuple = DynamicSerializer;
|
|
type SerializeTupleStruct = DynamicSerializer;
|
|
#[cfg(not(feature = "no_object"))]
|
|
#[cfg(not(feature = "no_index"))]
|
|
type SerializeTupleVariant = TupleVariantSerializer;
|
|
#[cfg(any(feature = "no_object", feature = "no_index"))]
|
|
type SerializeTupleVariant = serde::ser::Impossible<Dynamic, RhaiError>;
|
|
type SerializeMap = DynamicSerializer;
|
|
type SerializeStruct = DynamicSerializer;
|
|
#[cfg(not(feature = "no_object"))]
|
|
type SerializeStructVariant = StructVariantSerializer;
|
|
#[cfg(feature = "no_object")]
|
|
type SerializeStructVariant = serde::ser::Impossible<Dynamic, RhaiError>;
|
|
|
|
fn serialize_bool(self, v: bool) -> RhaiResultOf<Self::Ok> {
|
|
Ok(v.into())
|
|
}
|
|
|
|
fn serialize_i8(self, v: i8) -> RhaiResultOf<Self::Ok> {
|
|
#[cfg(not(feature = "only_i32"))]
|
|
return self.serialize_i64(i64::from(v));
|
|
#[cfg(feature = "only_i32")]
|
|
return self.serialize_i32(i32::from(v));
|
|
}
|
|
|
|
fn serialize_i16(self, v: i16) -> RhaiResultOf<Self::Ok> {
|
|
#[cfg(not(feature = "only_i32"))]
|
|
return self.serialize_i64(i64::from(v));
|
|
#[cfg(feature = "only_i32")]
|
|
return self.serialize_i32(i32::from(v));
|
|
}
|
|
|
|
fn serialize_i32(self, v: i32) -> RhaiResultOf<Self::Ok> {
|
|
#[cfg(not(feature = "only_i32"))]
|
|
return self.serialize_i64(i64::from(v));
|
|
#[cfg(feature = "only_i32")]
|
|
return Ok(v.into());
|
|
}
|
|
|
|
fn serialize_i64(self, v: i64) -> RhaiResultOf<Self::Ok> {
|
|
#[cfg(not(feature = "only_i32"))]
|
|
{
|
|
Ok(v.into())
|
|
}
|
|
#[cfg(feature = "only_i32")]
|
|
if v > i32::MAX as i64 {
|
|
Ok(Dynamic::from(v))
|
|
} else {
|
|
self.serialize_i32(v as i32)
|
|
}
|
|
}
|
|
|
|
fn serialize_i128(self, v: i128) -> RhaiResultOf<Self::Ok> {
|
|
#[cfg(not(feature = "only_i32"))]
|
|
if v > i64::MAX as i128 {
|
|
Ok(Dynamic::from(v))
|
|
} else {
|
|
self.serialize_i64(v as i64)
|
|
}
|
|
#[cfg(feature = "only_i32")]
|
|
if v > i32::MAX as i128 {
|
|
Ok(Dynamic::from(v))
|
|
} else {
|
|
self.serialize_i32(v as i32)
|
|
}
|
|
}
|
|
|
|
fn serialize_u8(self, v: u8) -> RhaiResultOf<Self::Ok> {
|
|
#[cfg(not(feature = "only_i32"))]
|
|
return self.serialize_i64(i64::from(v));
|
|
#[cfg(feature = "only_i32")]
|
|
return self.serialize_i32(i32::from(v));
|
|
}
|
|
|
|
fn serialize_u16(self, v: u16) -> RhaiResultOf<Self::Ok> {
|
|
#[cfg(not(feature = "only_i32"))]
|
|
return self.serialize_i64(i64::from(v));
|
|
#[cfg(feature = "only_i32")]
|
|
return self.serialize_i32(i32::from(v));
|
|
}
|
|
|
|
fn serialize_u32(self, v: u32) -> RhaiResultOf<Self::Ok> {
|
|
#[cfg(not(feature = "only_i32"))]
|
|
{
|
|
self.serialize_i64(i64::from(v))
|
|
}
|
|
#[cfg(feature = "only_i32")]
|
|
if v > i32::MAX as u32 {
|
|
Ok(Dynamic::from(v))
|
|
} else {
|
|
self.serialize_i32(v as i32)
|
|
}
|
|
}
|
|
|
|
fn serialize_u64(self, v: u64) -> RhaiResultOf<Self::Ok> {
|
|
#[cfg(not(feature = "only_i32"))]
|
|
if v > i64::MAX as u64 {
|
|
Ok(Dynamic::from(v))
|
|
} else {
|
|
self.serialize_i64(v as i64)
|
|
}
|
|
#[cfg(feature = "only_i32")]
|
|
if v > i32::MAX as u64 {
|
|
Ok(Dynamic::from(v))
|
|
} else {
|
|
self.serialize_i32(v as i32)
|
|
}
|
|
}
|
|
|
|
fn serialize_u128(self, v: u128) -> RhaiResultOf<Self::Ok> {
|
|
#[cfg(not(feature = "only_i32"))]
|
|
if v > i64::MAX as u128 {
|
|
Ok(Dynamic::from(v))
|
|
} else {
|
|
self.serialize_i64(v as i64)
|
|
}
|
|
#[cfg(feature = "only_i32")]
|
|
if v > i32::MAX as u128 {
|
|
Ok(Dynamic::from(v))
|
|
} else {
|
|
self.serialize_i32(v as i32)
|
|
}
|
|
}
|
|
|
|
fn serialize_f32(self, v: f32) -> RhaiResultOf<Self::Ok> {
|
|
#[cfg(any(not(feature = "no_float"), not(feature = "decimal")))]
|
|
return Ok(Dynamic::from(v));
|
|
|
|
#[cfg(feature = "no_float")]
|
|
#[cfg(feature = "decimal")]
|
|
{
|
|
use rust_decimal::Decimal;
|
|
use std::convert::TryFrom;
|
|
|
|
Decimal::try_from(v)
|
|
.map(|v| v.into())
|
|
.map_err(Error::custom)
|
|
}
|
|
}
|
|
|
|
fn serialize_f64(self, v: f64) -> RhaiResultOf<Self::Ok> {
|
|
#[cfg(any(not(feature = "no_float"), not(feature = "decimal")))]
|
|
return Ok(Dynamic::from(v));
|
|
|
|
#[cfg(feature = "no_float")]
|
|
#[cfg(feature = "decimal")]
|
|
{
|
|
use rust_decimal::Decimal;
|
|
use std::convert::TryFrom;
|
|
|
|
Decimal::try_from(v)
|
|
.map(|v| v.into())
|
|
.map_err(Error::custom)
|
|
}
|
|
}
|
|
|
|
fn serialize_char(self, v: char) -> RhaiResultOf<Self::Ok> {
|
|
Ok(v.into())
|
|
}
|
|
|
|
fn serialize_str(self, v: &str) -> RhaiResultOf<Self::Ok> {
|
|
Ok(v.into())
|
|
}
|
|
|
|
fn serialize_bytes(self, _v: &[u8]) -> RhaiResultOf<Self::Ok> {
|
|
#[cfg(not(feature = "no_index"))]
|
|
return Ok(Dynamic::from_blob(_v.to_vec()));
|
|
|
|
#[cfg(feature = "no_index")]
|
|
return Err(ERR::ErrorMismatchDataType(
|
|
"".into(),
|
|
"BLOB's are not supported with 'no_index'".into(),
|
|
Position::NONE,
|
|
)
|
|
.into());
|
|
}
|
|
|
|
fn serialize_none(self) -> RhaiResultOf<Self::Ok> {
|
|
Ok(Dynamic::UNIT)
|
|
}
|
|
|
|
fn serialize_some<T: ?Sized + Serialize>(self, value: &T) -> RhaiResultOf<Self::Ok> {
|
|
value.serialize(&mut *self)
|
|
}
|
|
|
|
fn serialize_unit(self) -> RhaiResultOf<Self::Ok> {
|
|
Ok(Dynamic::UNIT)
|
|
}
|
|
|
|
fn serialize_unit_struct(self, _name: &'static str) -> RhaiResultOf<Self::Ok> {
|
|
self.serialize_unit()
|
|
}
|
|
|
|
fn serialize_unit_variant(
|
|
self,
|
|
_name: &'static str,
|
|
_variant_index: u32,
|
|
variant: &'static str,
|
|
) -> RhaiResultOf<Self::Ok> {
|
|
self.serialize_str(variant)
|
|
}
|
|
|
|
fn serialize_newtype_struct<T: ?Sized + Serialize>(
|
|
self,
|
|
_name: &'static str,
|
|
value: &T,
|
|
) -> RhaiResultOf<Self::Ok> {
|
|
value.serialize(&mut *self)
|
|
}
|
|
|
|
fn serialize_newtype_variant<T: ?Sized + Serialize>(
|
|
self,
|
|
_name: &'static str,
|
|
_variant_index: u32,
|
|
_variant: &'static str,
|
|
_value: &T,
|
|
) -> RhaiResultOf<Self::Ok> {
|
|
#[cfg(not(feature = "no_object"))]
|
|
{
|
|
let content = to_dynamic(_value)?;
|
|
make_variant(_variant, content)
|
|
}
|
|
#[cfg(feature = "no_object")]
|
|
return Err(ERR::ErrorMismatchDataType(
|
|
"".into(),
|
|
"object maps are not supported with 'no_object'".into(),
|
|
Position::NONE,
|
|
)
|
|
.into());
|
|
}
|
|
|
|
fn serialize_seq(self, _len: Option<usize>) -> RhaiResultOf<Self::SerializeSeq> {
|
|
#[cfg(not(feature = "no_index"))]
|
|
return Ok(DynamicSerializer::new(crate::Array::new().into()));
|
|
#[cfg(feature = "no_index")]
|
|
return Err(ERR::ErrorMismatchDataType(
|
|
"".into(),
|
|
"arrays are not supported with 'no_index'".into(),
|
|
Position::NONE,
|
|
)
|
|
.into());
|
|
}
|
|
|
|
fn serialize_tuple(self, len: usize) -> RhaiResultOf<Self::SerializeTuple> {
|
|
self.serialize_seq(Some(len))
|
|
}
|
|
|
|
fn serialize_tuple_struct(
|
|
self,
|
|
_name: &'static str,
|
|
len: usize,
|
|
) -> RhaiResultOf<Self::SerializeTupleStruct> {
|
|
self.serialize_seq(Some(len))
|
|
}
|
|
|
|
fn serialize_tuple_variant(
|
|
self,
|
|
_name: &'static str,
|
|
_variant_index: u32,
|
|
_variant: &'static str,
|
|
_len: usize,
|
|
) -> RhaiResultOf<Self::SerializeTupleVariant> {
|
|
#[cfg(not(feature = "no_object"))]
|
|
#[cfg(not(feature = "no_index"))]
|
|
return Ok(TupleVariantSerializer {
|
|
variant: _variant,
|
|
array: crate::Array::with_capacity(_len),
|
|
});
|
|
#[cfg(any(feature = "no_object", feature = "no_index"))]
|
|
return Err(ERR::ErrorMismatchDataType(
|
|
"".into(),
|
|
"tuples are not supported with 'no_index' or 'no_object'".into(),
|
|
Position::NONE,
|
|
)
|
|
.into());
|
|
}
|
|
|
|
fn serialize_map(self, _len: Option<usize>) -> RhaiResultOf<Self::SerializeMap> {
|
|
#[cfg(not(feature = "no_object"))]
|
|
return Ok(DynamicSerializer::new(crate::Map::new().into()));
|
|
#[cfg(feature = "no_object")]
|
|
return Err(ERR::ErrorMismatchDataType(
|
|
"".into(),
|
|
"object maps are not supported with 'no_object'".into(),
|
|
Position::NONE,
|
|
)
|
|
.into());
|
|
}
|
|
|
|
fn serialize_struct(
|
|
self,
|
|
_name: &'static str,
|
|
len: usize,
|
|
) -> RhaiResultOf<Self::SerializeStruct> {
|
|
self.serialize_map(Some(len))
|
|
}
|
|
|
|
fn serialize_struct_variant(
|
|
self,
|
|
_name: &'static str,
|
|
_variant_index: u32,
|
|
_variant: &'static str,
|
|
_len: usize,
|
|
) -> RhaiResultOf<Self::SerializeStructVariant> {
|
|
#[cfg(not(feature = "no_object"))]
|
|
return Ok(StructVariantSerializer {
|
|
variant: _variant,
|
|
map: crate::Map::new(),
|
|
});
|
|
#[cfg(feature = "no_object")]
|
|
return Err(ERR::ErrorMismatchDataType(
|
|
"".into(),
|
|
"object maps are not supported with 'no_object'".into(),
|
|
Position::NONE,
|
|
)
|
|
.into());
|
|
}
|
|
}
|
|
|
|
impl SerializeSeq for DynamicSerializer {
|
|
type Ok = Dynamic;
|
|
type Error = RhaiError;
|
|
|
|
fn serialize_element<T: ?Sized + Serialize>(&mut self, _value: &T) -> RhaiResultOf<()> {
|
|
#[cfg(not(feature = "no_index"))]
|
|
{
|
|
let value = _value.serialize(&mut *self)?;
|
|
let arr = self._value.downcast_mut::<crate::Array>().unwrap();
|
|
arr.push(value);
|
|
Ok(())
|
|
}
|
|
#[cfg(feature = "no_index")]
|
|
return Err(ERR::ErrorMismatchDataType(
|
|
"".into(),
|
|
"arrays are not supported with 'no_index'".into(),
|
|
Position::NONE,
|
|
)
|
|
.into());
|
|
}
|
|
|
|
// Close the sequence.
|
|
fn end(self) -> RhaiResultOf<Self::Ok> {
|
|
#[cfg(not(feature = "no_index"))]
|
|
return Ok(self._value);
|
|
#[cfg(feature = "no_index")]
|
|
return Err(ERR::ErrorMismatchDataType(
|
|
"".into(),
|
|
"arrays are not supported with 'no_index'".into(),
|
|
Position::NONE,
|
|
)
|
|
.into());
|
|
}
|
|
}
|
|
|
|
impl SerializeTuple for DynamicSerializer {
|
|
type Ok = Dynamic;
|
|
type Error = RhaiError;
|
|
|
|
fn serialize_element<T: ?Sized + Serialize>(&mut self, _value: &T) -> RhaiResultOf<()> {
|
|
#[cfg(not(feature = "no_index"))]
|
|
{
|
|
let value = _value.serialize(&mut *self)?;
|
|
let arr = self._value.downcast_mut::<crate::Array>().unwrap();
|
|
arr.push(value);
|
|
Ok(())
|
|
}
|
|
#[cfg(feature = "no_index")]
|
|
return Err(ERR::ErrorMismatchDataType(
|
|
"".into(),
|
|
"tuples are not supported with 'no_index'".into(),
|
|
Position::NONE,
|
|
)
|
|
.into());
|
|
}
|
|
|
|
fn end(self) -> RhaiResultOf<Self::Ok> {
|
|
#[cfg(not(feature = "no_index"))]
|
|
return Ok(self._value);
|
|
#[cfg(feature = "no_index")]
|
|
return Err(ERR::ErrorMismatchDataType(
|
|
"".into(),
|
|
"tuples are not supported with 'no_index'".into(),
|
|
Position::NONE,
|
|
)
|
|
.into());
|
|
}
|
|
}
|
|
|
|
impl SerializeTupleStruct for DynamicSerializer {
|
|
type Ok = Dynamic;
|
|
type Error = RhaiError;
|
|
|
|
fn serialize_field<T: ?Sized + Serialize>(&mut self, _value: &T) -> RhaiResultOf<()> {
|
|
#[cfg(not(feature = "no_index"))]
|
|
{
|
|
let value = _value.serialize(&mut *self)?;
|
|
let arr = self._value.downcast_mut::<crate::Array>().unwrap();
|
|
arr.push(value);
|
|
Ok(())
|
|
}
|
|
#[cfg(feature = "no_index")]
|
|
return Err(ERR::ErrorMismatchDataType(
|
|
"".into(),
|
|
"tuples are not supported with 'no_index'".into(),
|
|
Position::NONE,
|
|
)
|
|
.into());
|
|
}
|
|
|
|
fn end(self) -> RhaiResultOf<Self::Ok> {
|
|
#[cfg(not(feature = "no_index"))]
|
|
return Ok(self._value);
|
|
#[cfg(feature = "no_index")]
|
|
return Err(ERR::ErrorMismatchDataType(
|
|
"".into(),
|
|
"tuples are not supported with 'no_index'".into(),
|
|
Position::NONE,
|
|
)
|
|
.into());
|
|
}
|
|
}
|
|
|
|
impl SerializeMap for DynamicSerializer {
|
|
type Ok = Dynamic;
|
|
type Error = RhaiError;
|
|
|
|
fn serialize_key<T: ?Sized + Serialize>(&mut self, _key: &T) -> RhaiResultOf<()> {
|
|
#[cfg(not(feature = "no_object"))]
|
|
{
|
|
self._key = _key.serialize(&mut *self)?;
|
|
Ok(())
|
|
}
|
|
#[cfg(feature = "no_object")]
|
|
return Err(ERR::ErrorMismatchDataType(
|
|
"".into(),
|
|
"object maps are not supported with 'no_object'".into(),
|
|
Position::NONE,
|
|
)
|
|
.into());
|
|
}
|
|
|
|
fn serialize_value<T: ?Sized + Serialize>(&mut self, _value: &T) -> RhaiResultOf<()> {
|
|
#[cfg(not(feature = "no_object"))]
|
|
{
|
|
let key = std::mem::take(&mut self._key)
|
|
.into_immutable_string()
|
|
.map_err(|typ| {
|
|
ERR::ErrorMismatchDataType("string".into(), typ.into(), Position::NONE)
|
|
})?;
|
|
let value = _value.serialize(&mut *self)?;
|
|
let map = self._value.downcast_mut::<crate::Map>().unwrap();
|
|
map.insert(key.into(), value);
|
|
Ok(())
|
|
}
|
|
#[cfg(feature = "no_object")]
|
|
return Err(ERR::ErrorMismatchDataType(
|
|
"".into(),
|
|
"object maps are not supported with 'no_object'".into(),
|
|
Position::NONE,
|
|
)
|
|
.into());
|
|
}
|
|
|
|
fn serialize_entry<K: ?Sized + Serialize, T: ?Sized + Serialize>(
|
|
&mut self,
|
|
_key: &K,
|
|
_value: &T,
|
|
) -> RhaiResultOf<()> {
|
|
#[cfg(not(feature = "no_object"))]
|
|
{
|
|
let key: Dynamic = _key.serialize(&mut *self)?;
|
|
let key = key.into_immutable_string().map_err(|typ| {
|
|
ERR::ErrorMismatchDataType("string".into(), typ.into(), Position::NONE)
|
|
})?;
|
|
let value = _value.serialize(&mut *self)?;
|
|
let map = self._value.downcast_mut::<crate::Map>().unwrap();
|
|
map.insert(key.into(), value);
|
|
Ok(())
|
|
}
|
|
#[cfg(feature = "no_object")]
|
|
return Err(ERR::ErrorMismatchDataType(
|
|
"".into(),
|
|
"object maps are not supported with 'no_object'".into(),
|
|
Position::NONE,
|
|
)
|
|
.into());
|
|
}
|
|
|
|
fn end(self) -> RhaiResultOf<Self::Ok> {
|
|
#[cfg(not(feature = "no_object"))]
|
|
return Ok(self._value);
|
|
#[cfg(feature = "no_object")]
|
|
return Err(ERR::ErrorMismatchDataType(
|
|
"".into(),
|
|
"object maps are not supported with 'no_object'".into(),
|
|
Position::NONE,
|
|
)
|
|
.into());
|
|
}
|
|
}
|
|
|
|
impl SerializeStruct for DynamicSerializer {
|
|
type Ok = Dynamic;
|
|
type Error = RhaiError;
|
|
|
|
fn serialize_field<T: ?Sized + Serialize>(
|
|
&mut self,
|
|
_key: &'static str,
|
|
_value: &T,
|
|
) -> RhaiResultOf<()> {
|
|
#[cfg(not(feature = "no_object"))]
|
|
{
|
|
let value = _value.serialize(&mut *self)?;
|
|
let map = self._value.downcast_mut::<crate::Map>().unwrap();
|
|
map.insert(_key.into(), value);
|
|
Ok(())
|
|
}
|
|
#[cfg(feature = "no_object")]
|
|
return Err(ERR::ErrorMismatchDataType(
|
|
"".into(),
|
|
"object maps are not supported with 'no_object'".into(),
|
|
Position::NONE,
|
|
)
|
|
.into());
|
|
}
|
|
|
|
fn end(self) -> RhaiResultOf<Self::Ok> {
|
|
#[cfg(not(feature = "no_object"))]
|
|
return Ok(self._value);
|
|
#[cfg(feature = "no_object")]
|
|
return Err(ERR::ErrorMismatchDataType(
|
|
"".into(),
|
|
"object maps are not supported with 'no_object'".into(),
|
|
Position::NONE,
|
|
)
|
|
.into());
|
|
}
|
|
}
|
|
|
|
#[cfg(not(feature = "no_object"))]
|
|
#[cfg(not(feature = "no_index"))]
|
|
struct TupleVariantSerializer {
|
|
variant: &'static str,
|
|
array: crate::Array,
|
|
}
|
|
|
|
#[cfg(not(feature = "no_object"))]
|
|
#[cfg(not(feature = "no_index"))]
|
|
impl serde::ser::SerializeTupleVariant for TupleVariantSerializer {
|
|
type Ok = Dynamic;
|
|
type Error = RhaiError;
|
|
|
|
fn serialize_field<T: ?Sized + Serialize>(&mut self, value: &T) -> RhaiResultOf<()> {
|
|
let value = to_dynamic(value)?;
|
|
self.array.push(value);
|
|
Ok(())
|
|
}
|
|
|
|
fn end(self) -> RhaiResultOf<Self::Ok> {
|
|
make_variant(self.variant, self.array.into())
|
|
}
|
|
}
|
|
|
|
#[cfg(not(feature = "no_object"))]
|
|
struct StructVariantSerializer {
|
|
variant: &'static str,
|
|
map: crate::Map,
|
|
}
|
|
|
|
#[cfg(not(feature = "no_object"))]
|
|
impl serde::ser::SerializeStructVariant for StructVariantSerializer {
|
|
type Ok = Dynamic;
|
|
type Error = RhaiError;
|
|
|
|
fn serialize_field<T: ?Sized + Serialize>(
|
|
&mut self,
|
|
key: &'static str,
|
|
value: &T,
|
|
) -> RhaiResultOf<()> {
|
|
let value = to_dynamic(value)?;
|
|
self.map.insert(key.into(), value);
|
|
Ok(())
|
|
}
|
|
|
|
fn end(self) -> RhaiResultOf<Self::Ok> {
|
|
make_variant(self.variant, self.map.into())
|
|
}
|
|
}
|
|
|
|
#[cfg(not(feature = "no_object"))]
|
|
fn make_variant(variant: &'static str, value: Dynamic) -> RhaiResult {
|
|
let mut map = crate::Map::new();
|
|
map.insert(variant.into(), value);
|
|
Ok(map.into())
|
|
}
|