injective_math/fp_decimal/
serde.rs1use crate::fp_decimal::FPDecimal;
2use serde::{de, ser, Deserialize, Deserializer, Serialize};
3use std::fmt;
4use std::str::FromStr;
5
6#[allow(clippy::upper_case_acronyms)]
7struct FPDecimalVisitor;
8
9impl<'de> de::Visitor<'de> for FPDecimalVisitor {
10 type Value = FPDecimal;
11
12 fn expecting(&self, formatter: &mut fmt::Formatter) -> fmt::Result {
13 formatter.write_str("FPDecimal (string-encoded)")
14 }
15
16 fn visit_str<E>(self, v: &str) -> Result<Self::Value, E>
17 where
18 E: de::Error,
19 {
20 match FPDecimal::from_str(v) {
21 Ok(d) => Ok(d),
22 Err(e) => Err(E::custom(format!("Error parsing FPDecimal '{v}': {e}"))),
23 }
24 }
25}
26
27impl Serialize for FPDecimal {
29 fn serialize<S>(&self, serializer: S) -> Result<S::Ok, S::Error>
30 where
31 S: ser::Serializer,
32 {
33 serializer.serialize_str(&format!("{}", &self))
34 }
35}
36
37impl<'de> Deserialize<'de> for FPDecimal {
39 fn deserialize<D>(deserializer: D) -> Result<FPDecimal, D::Error>
40 where
41 D: Deserializer<'de>,
42 {
43 deserializer.deserialize_str(FPDecimalVisitor)
44 }
45}