rhai/src/serde/serialize.rs
2022-02-08 09:02:15 +08:00

90 lines
3.2 KiB
Rust

//! Implementations of [`serde::Serialize`].
use crate::types::dynamic::Union;
use crate::{Dynamic, ImmutableString};
use serde::ser::{Serialize, Serializer};
#[cfg(feature = "no_std")]
use std::prelude::v1::*;
#[cfg(not(feature = "no_object"))]
use serde::ser::SerializeMap;
#[cfg(not(feature = "no_std"))]
use crate::types::dynamic::Variant;
impl Serialize for Dynamic {
fn serialize<S: Serializer>(&self, ser: S) -> Result<S::Ok, S::Error> {
match self.0 {
Union::Unit(..) => ser.serialize_unit(),
Union::Bool(x, ..) => ser.serialize_bool(x),
Union::Str(ref s, ..) => ser.serialize_str(s.as_str()),
Union::Char(c, ..) => ser.serialize_str(&c.to_string()),
#[cfg(not(feature = "only_i32"))]
Union::Int(x, ..) => ser.serialize_i64(x),
#[cfg(feature = "only_i32")]
Union::Int(x, ..) => ser.serialize_i32(x),
#[cfg(not(feature = "no_float"))]
#[cfg(not(feature = "f32_float"))]
Union::Float(x, ..) => ser.serialize_f64(*x),
#[cfg(not(feature = "no_float"))]
#[cfg(feature = "f32_float")]
Union::Float(x, ..) => ser.serialize_f32(*x),
#[cfg(feature = "decimal")]
#[cfg(not(feature = "f32_float"))]
Union::Decimal(ref x, ..) => {
use rust_decimal::prelude::ToPrimitive;
if let Some(v) = x.to_f64() {
ser.serialize_f64(v)
} else {
ser.serialize_str(&x.to_string())
}
}
#[cfg(feature = "decimal")]
#[cfg(feature = "f32_float")]
Union::Decimal(ref x, ..) => {
use rust_decimal::prelude::ToPrimitive;
if let Some(v) = x.to_f32() {
ser.serialize_f32(v)
} else {
ser.serialize_str(&x.to_string())
}
}
#[cfg(not(feature = "no_index"))]
Union::Array(ref a, ..) => (**a).serialize(ser),
#[cfg(not(feature = "no_index"))]
Union::Blob(ref a, ..) => (**a).serialize(ser),
#[cfg(not(feature = "no_object"))]
Union::Map(ref m, ..) => {
let mut map = ser.serialize_map(Some(m.len()))?;
m.iter()
.try_for_each(|(k, v)| map.serialize_entry(k.as_str(), v))?;
map.end()
}
Union::FnPtr(ref f, ..) => ser.serialize_str(f.fn_name()),
#[cfg(not(feature = "no_std"))]
Union::TimeStamp(ref x, ..) => ser.serialize_str(x.as_ref().type_name()),
Union::Variant(ref v, ..) => ser.serialize_str((***v).type_name()),
#[cfg(not(feature = "no_closure"))]
#[cfg(not(feature = "sync"))]
Union::Shared(ref cell, ..) => cell.borrow().serialize(ser),
#[cfg(not(feature = "no_closure"))]
#[cfg(feature = "sync")]
Union::Shared(ref cell, ..) => cell.read().unwrap().serialize(ser),
}
}
}
impl Serialize for ImmutableString {
fn serialize<S: Serializer>(&self, ser: S) -> Result<S::Ok, S::Error> {
ser.serialize_str(self.as_str())
}
}