steamy_vdf/entry/
value.rs

1use std::ops::Deref;
2use super::Entry;
3
4#[derive(Clone, PartialEq, Eq, Debug)]
5pub struct Value(String);
6
7impl From<String> for Value {
8	fn from(value: String) -> Value {
9		Value(value)
10	}
11}
12
13impl Into<Entry> for Value {
14	fn into(self) -> Entry {
15		Entry::Value(self)
16	}
17}
18
19impl Deref for Value {
20	type Target = str;
21
22	fn deref(&self) -> &Self::Target {
23		&self.0
24	}
25}
26
27impl Value {
28	/// Try to convert the value to the given type.
29	pub fn to<T: Parse>(&self) -> Option<T> {
30		T::parse(&self.0)
31	}
32}
33
34/// Parsable types.
35pub trait Parse: Sized {
36	/// Try to parse the string.
37	fn parse(string: &str) -> Option<Self>;
38}
39
40macro_rules! from_str {
41	(for) => ();
42
43	(for $ty:ident $($rest:tt)*) => (
44		from_str!($ty);
45		from_str!(for $($rest)*);
46	);
47
48	($ty:ident) => (
49		impl Parse for $ty {
50			fn parse(string: &str) -> Option<Self> {
51				string.parse::<$ty>().ok()
52			}
53		}
54	);
55}
56
57use std::net::{IpAddr, Ipv4Addr, Ipv6Addr, SocketAddr, SocketAddrV4, SocketAddrV6};
58from_str!(for IpAddr Ipv4Addr Ipv6Addr SocketAddr SocketAddrV4 SocketAddrV6);
59from_str!(for i8 i16 i32 i64 isize u8 u16 u32 u64 usize f32 f64);
60
61impl Parse for bool {
62	fn parse(string: &str) -> Option<Self> {
63		match string {
64			"0" => Some(false),
65			"1" => Some(true),
66			v   => v.parse::<bool>().ok()
67		}
68	}
69}
steamy_vdf/entry/value.rs

steamy_vdf/entry/
value.rs
