Add Serde Feature for IpNetwork

.travis.yml

@@ -11,7 +11,7 @@ env:
 matrix:
   include:
     - rust: nightly
-      env: FEATURES=ipv6-iterator,ipv6-methods
+      env: FEATURES=ipv6-iterator,ipv6-methods,with-serde
 
 script:
   - cargo build --features $FEATURES --verbose

Cargo.toml

@@ -12,6 +12,8 @@ categories = ["network-programming", "os"]
 
 [dependencies]
 clippy = {version = "0.0.104", optional = true}
+serde = { version = ">=0.8.0, <2.0", optional = true }
+serde_derive = { version = ">=0.8.0, <2.0", optional = true }
 
 [badges]
 travis-ci = { repository = "achanda/ipnetwork" }
@@ -21,3 +23,4 @@ default = []
 dev = ["clippy"]
 ipv6-iterator = []
 ipv6-methods = []
+with-serde = ["serde", "serde_derive"]

src/ipv4.rs

@@ -7,6 +7,7 @@ use common::{cidr_parts, parse_addr, parse_prefix, IpNetworkError};
 const IPV4_BITS: u8 = 32;
 
 /// Represents a network range where the IP addresses are of v4
+#[cfg_attr(feature = "with-serde", derive(Serialize, Deserialize))]
 #[derive(Debug, Clone, Copy, Hash, PartialEq, Eq, PartialOrd, Ord)]
 pub struct Ipv4Network {
     addr: Ipv4Addr,

src/ipv6.rs

@@ -9,6 +9,7 @@ const IPV6_BITS: u8 = 128;
 const IPV6_SEGMENT_BITS: u8 = 16;
 
 /// Represents a network range where the IP addresses are of v6
+#[cfg_attr(feature = "with-serde", derive(Serialize, Deserialize))]
 #[derive(Debug, Clone, Copy, Hash, PartialEq, Eq, PartialOrd, Ord)]
 pub struct Ipv6Network {
     addr: Ipv6Addr,

src/lib.rs

@@ -8,6 +8,12 @@
 #![crate_type = "lib"]
 #![doc(html_root_url = "https://docs.rs/ipnetwork/0.12.7")]
 
+#[cfg(feature = "with-serde")]
+extern crate serde;
+#[cfg(feature = "with-serde")]
+#[macro_use]
+extern crate serde_derive;
+
 use std::fmt;
 use std::net::IpAddr;
 
@@ -23,6 +29,7 @@ pub use common::IpNetworkError;
 
 /// Represents a generic network range. This type can have two variants:
 /// the v4 and the v6 case.
+#[cfg_attr(feature = "with-serde", derive(Serialize, Deserialize))]
 #[derive(Debug, Clone, Copy, Hash, PartialEq, Eq, PartialOrd, Ord)]
 pub enum IpNetwork {
     V4(Ipv4Network),