use crate::{Comparator, Version, VersionReq}; use core::fmt; use serde::de::{Deserialize, Deserializer, Error, Visitor}; use serde::ser::{Serialize, Serializer}; impl Serialize for Version { fn serialize<S>(&self, serializer: S) -> Result<S::Ok, S::Error> where S: Serializer, { serializer.collect_str(self) } } impl Serialize for VersionReq { fn serialize<S>(&self, serializer: S) -> Result<S::Ok, S::Error> where S: Serializer, { serializer.collect_str(self) } } impl Serialize for Comparator { fn serialize<S>(&self, serializer: S) -> Result<S::Ok, S::Error> where S: Serializer, { serializer.collect_str(self) } } impl<'de> Deserialize<'de> for Version { fn deserialize<D>(deserializer: D) -> Result<Self, D::Error> where D: Deserializer<'de>, { struct VersionVisitor; impl<'de> Visitor<'de> for VersionVisitor { type Value = Version; fn expecting(&self, formatter: &mut fmt::Formatter) -> fmt::Result { formatter.write_str("semver version") } fn visit_str<E>(self, string: &str) -> Result<Self::Value, E> where E: Error, { string.parse().map_err(Error::custom) } } deserializer.deserialize_str(VersionVisitor) } } impl<'de> Deserialize<'de> for VersionReq { fn deserialize<D>(deserializer: D) -> Result<Self, D::Error> where D: Deserializer<'de>, { struct VersionReqVisitor; impl<'de> Visitor<'de> for VersionReqVisitor { type Value = VersionReq; fn expecting(&self, formatter: &mut fmt::Formatter) -> fmt::Result { formatter.write_str("semver version") } fn visit_str<E>(self, string: &str) -> Result<Self::Value, E> where E: Error, { string.parse().map_err(Error::custom) } } deserializer.deserialize_str(VersionReqVisitor) } } impl<'de> Deserialize<'de> for Comparator { fn deserialize<D>(deserializer: D) -> Result<Self, D::Error> where D: Deserializer<'de>, { struct ComparatorVisitor; impl<'de> Visitor<'de> for ComparatorVisitor { type Value = Comparator; fn expecting(&self, formatter: &mut fmt::Formatter) -> fmt::Result { formatter.write_str("semver comparator") } fn visit_str<E>(self, string: &str) -> Result<Self::Value, E> where E: Error, { string.parse().map_err(Error::custom) } } deserializer.deserialize_str(ComparatorVisitor) } }