1 files changed, 109 insertions, 0 deletions
diff --git a/vendor/semver/src/serde.rs b/vendor/semver/src/serde.rs
new file mode 100644
index 000000000..1fcc7d87f
--- /dev/null
+++ b/vendor/semver/src/serde.rs
@@ -0,0 +1,109 @@
+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)
+    }
+}