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Diffstat (limited to '')
| -rw-r--r-- | vendor/serde/src/ser/impls.rs | 936 |
1 files changed, 936 insertions, 0 deletions
diff --git a/vendor/serde/src/ser/impls.rs b/vendor/serde/src/ser/impls.rs new file mode 100644 index 000000000..7219f51b7 --- /dev/null +++ b/vendor/serde/src/ser/impls.rs @@ -0,0 +1,936 @@ +use lib::*; + +use ser::{Error, Serialize, SerializeTuple, Serializer}; + +//////////////////////////////////////////////////////////////////////////////// + +macro_rules! primitive_impl { + ($ty:ident, $method:ident $($cast:tt)*) => { + impl Serialize for $ty { + #[inline] + fn serialize<S>(&self, serializer: S) -> Result<S::Ok, S::Error> + where + S: Serializer, + { + serializer.$method(*self $($cast)*) + } + } + } +} + +primitive_impl!(bool, serialize_bool); +primitive_impl!(isize, serialize_i64 as i64); +primitive_impl!(i8, serialize_i8); +primitive_impl!(i16, serialize_i16); +primitive_impl!(i32, serialize_i32); +primitive_impl!(i64, serialize_i64); +primitive_impl!(usize, serialize_u64 as u64); +primitive_impl!(u8, serialize_u8); +primitive_impl!(u16, serialize_u16); +primitive_impl!(u32, serialize_u32); +primitive_impl!(u64, serialize_u64); +primitive_impl!(f32, serialize_f32); +primitive_impl!(f64, serialize_f64); +primitive_impl!(char, serialize_char); + +serde_if_integer128! { + primitive_impl!(i128, serialize_i128); + primitive_impl!(u128, serialize_u128); +} + +//////////////////////////////////////////////////////////////////////////////// + +impl Serialize for str { + #[inline] + fn serialize<S>(&self, serializer: S) -> Result<S::Ok, S::Error> + where + S: Serializer, + { + serializer.serialize_str(self) + } +} + +#[cfg(any(feature = "std", feature = "alloc"))] +impl Serialize for String { + #[inline] + fn serialize<S>(&self, serializer: S) -> Result<S::Ok, S::Error> + where + S: Serializer, + { + serializer.serialize_str(self) + } +} + +impl<'a> Serialize for fmt::Arguments<'a> { + fn serialize<S>(&self, serializer: S) -> Result<S::Ok, S::Error> + where + S: Serializer, + { + serializer.collect_str(self) + } +} + +//////////////////////////////////////////////////////////////////////////////// + +#[cfg(feature = "std")] +impl Serialize for CStr { + #[inline] + fn serialize<S>(&self, serializer: S) -> Result<S::Ok, S::Error> + where + S: Serializer, + { + serializer.serialize_bytes(self.to_bytes()) + } +} + +#[cfg(feature = "std")] +impl Serialize for CString { + #[inline] + fn serialize<S>(&self, serializer: S) -> Result<S::Ok, S::Error> + where + S: Serializer, + { + serializer.serialize_bytes(self.to_bytes()) + } +} + +//////////////////////////////////////////////////////////////////////////////// + +impl<T> Serialize for Option<T> +where + T: Serialize, +{ + #[inline] + fn serialize<S>(&self, serializer: S) -> Result<S::Ok, S::Error> + where + S: Serializer, + { + match *self { + Some(ref value) => serializer.serialize_some(value), + None => serializer.serialize_none(), + } + } +} + +//////////////////////////////////////////////////////////////////////////////// + +impl<T: ?Sized> Serialize for PhantomData<T> { + #[inline] + fn serialize<S>(&self, serializer: S) -> Result<S::Ok, S::Error> + where + S: Serializer, + { + serializer.serialize_unit_struct("PhantomData") + } +} + +//////////////////////////////////////////////////////////////////////////////// + +// Does not require T: Serialize. +impl<T> Serialize for [T; 0] { + #[inline] + fn serialize<S>(&self, serializer: S) -> Result<S::Ok, S::Error> + where + S: Serializer, + { + try!(serializer.serialize_tuple(0)).end() + } +} + +macro_rules! array_impls { + ($($len:tt)+) => { + $( + impl<T> Serialize for [T; $len] + where + T: Serialize, + { + #[inline] + fn serialize<S>(&self, serializer: S) -> Result<S::Ok, S::Error> + where + S: Serializer, + { + let mut seq = try!(serializer.serialize_tuple($len)); + for e in self { + try!(seq.serialize_element(e)); + } + seq.end() + } + } + )+ + } +} + +array_impls! { + 01 02 03 04 05 06 07 08 09 10 + 11 12 13 14 15 16 17 18 19 20 + 21 22 23 24 25 26 27 28 29 30 + 31 32 +} + +//////////////////////////////////////////////////////////////////////////////// + +impl<T> Serialize for [T] +where + T: Serialize, +{ + #[inline] + fn serialize<S>(&self, serializer: S) -> Result<S::Ok, S::Error> + where + S: Serializer, + { + serializer.collect_seq(self) + } +} + +#[cfg(any(feature = "std", feature = "alloc"))] +macro_rules! seq_impl { + ($ty:ident < T $(: $tbound1:ident $(+ $tbound2:ident)*)* $(, $typaram:ident : $bound:ident)* >) => { + impl<T $(, $typaram)*> Serialize for $ty<T $(, $typaram)*> + where + T: Serialize $(+ $tbound1 $(+ $tbound2)*)*, + $($typaram: $bound,)* + { + #[inline] + fn serialize<S>(&self, serializer: S) -> Result<S::Ok, S::Error> + where + S: Serializer, + { + serializer.collect_seq(self) + } + } + } +} + +#[cfg(any(feature = "std", feature = "alloc"))] +seq_impl!(BinaryHeap<T: Ord>); + +#[cfg(any(feature = "std", feature = "alloc"))] +seq_impl!(BTreeSet<T: Ord>); + +#[cfg(feature = "std")] +seq_impl!(HashSet<T: Eq + Hash, H: BuildHasher>); + +#[cfg(any(feature = "std", feature = "alloc"))] +seq_impl!(LinkedList<T>); + +#[cfg(any(feature = "std", feature = "alloc"))] +seq_impl!(Vec<T>); + +#[cfg(any(feature = "std", feature = "alloc"))] +seq_impl!(VecDeque<T>); + +//////////////////////////////////////////////////////////////////////////////// + +impl<Idx> Serialize for Range<Idx> +where + Idx: Serialize, +{ + fn serialize<S>(&self, serializer: S) -> Result<S::Ok, S::Error> + where + S: Serializer, + { + use super::SerializeStruct; + let mut state = try!(serializer.serialize_struct("Range", 2)); + try!(state.serialize_field("start", &self.start)); + try!(state.serialize_field("end", &self.end)); + state.end() + } +} + +//////////////////////////////////////////////////////////////////////////////// + +#[cfg(not(no_range_inclusive))] +impl<Idx> Serialize for RangeInclusive<Idx> +where + Idx: Serialize, +{ + fn serialize<S>(&self, serializer: S) -> Result<S::Ok, S::Error> + where + S: Serializer, + { + use super::SerializeStruct; + let mut state = try!(serializer.serialize_struct("RangeInclusive", 2)); + try!(state.serialize_field("start", &self.start())); + try!(state.serialize_field("end", &self.end())); + state.end() + } +} + +//////////////////////////////////////////////////////////////////////////////// + +#[cfg(any(not(no_ops_bound), all(feature = "std", not(no_collections_bound))))] +impl<T> Serialize for Bound<T> +where + T: Serialize, +{ + fn serialize<S>(&self, serializer: S) -> Result<S::Ok, S::Error> + where + S: Serializer, + { + match *self { + Bound::Unbounded => serializer.serialize_unit_variant("Bound", 0, "Unbounded"), + Bound::Included(ref value) => { + serializer.serialize_newtype_variant("Bound", 1, "Included", value) + } + Bound::Excluded(ref value) => { + serializer.serialize_newtype_variant("Bound", 2, "Excluded", value) + } + } + } +} + +//////////////////////////////////////////////////////////////////////////////// + +impl Serialize for () { + #[inline] + fn serialize<S>(&self, serializer: S) -> Result<S::Ok, S::Error> + where + S: Serializer, + { + serializer.serialize_unit() + } +} + +#[cfg(feature = "unstable")] +impl Serialize for ! { + fn serialize<S>(&self, _serializer: S) -> Result<S::Ok, S::Error> + where + S: Serializer, + { + *self + } +} + +//////////////////////////////////////////////////////////////////////////////// + +macro_rules! tuple_impls { + ($($len:expr => ($($n:tt $name:ident)+))+) => { + $( + impl<$($name),+> Serialize for ($($name,)+) + where + $($name: Serialize,)+ + { + #[inline] + fn serialize<S>(&self, serializer: S) -> Result<S::Ok, S::Error> + where + S: Serializer, + { + let mut tuple = try!(serializer.serialize_tuple($len)); + $( + try!(tuple.serialize_element(&self.$n)); + )+ + tuple.end() + } + } + )+ + } +} + +tuple_impls! { + 1 => (0 T0) + 2 => (0 T0 1 T1) + 3 => (0 T0 1 T1 2 T2) + 4 => (0 T0 1 T1 2 T2 3 T3) + 5 => (0 T0 1 T1 2 T2 3 T3 4 T4) + 6 => (0 T0 1 T1 2 T2 3 T3 4 T4 5 T5) + 7 => (0 T0 1 T1 2 T2 3 T3 4 T4 5 T5 6 T6) + 8 => (0 T0 1 T1 2 T2 3 T3 4 T4 5 T5 6 T6 7 T7) + 9 => (0 T0 1 T1 2 T2 3 T3 4 T4 5 T5 6 T6 7 T7 8 T8) + 10 => (0 T0 1 T1 2 T2 3 T3 4 T4 5 T5 6 T6 7 T7 8 T8 9 T9) + 11 => (0 T0 1 T1 2 T2 3 T3 4 T4 5 T5 6 T6 7 T7 8 T8 9 T9 10 T10) + 12 => (0 T0 1 T1 2 T2 3 T3 4 T4 5 T5 6 T6 7 T7 8 T8 9 T9 10 T10 11 T11) + 13 => (0 T0 1 T1 2 T2 3 T3 4 T4 5 T5 6 T6 7 T7 8 T8 9 T9 10 T10 11 T11 12 T12) + 14 => (0 T0 1 T1 2 T2 3 T3 4 T4 5 T5 6 T6 7 T7 8 T8 9 T9 10 T10 11 T11 12 T12 13 T13) + 15 => (0 T0 1 T1 2 T2 3 T3 4 T4 5 T5 6 T6 7 T7 8 T8 9 T9 10 T10 11 T11 12 T12 13 T13 14 T14) + 16 => (0 T0 1 T1 2 T2 3 T3 4 T4 5 T5 6 T6 7 T7 8 T8 9 T9 10 T10 11 T11 12 T12 13 T13 14 T14 15 T15) +} + +//////////////////////////////////////////////////////////////////////////////// + +#[cfg(any(feature = "std", feature = "alloc"))] +macro_rules! map_impl { + ($ty:ident < K $(: $kbound1:ident $(+ $kbound2:ident)*)*, V $(, $typaram:ident : $bound:ident)* >) => { + impl<K, V $(, $typaram)*> Serialize for $ty<K, V $(, $typaram)*> + where + K: Serialize $(+ $kbound1 $(+ $kbound2)*)*, + V: Serialize, + $($typaram: $bound,)* + { + #[inline] + fn serialize<S>(&self, serializer: S) -> Result<S::Ok, S::Error> + where + S: Serializer, + { + serializer.collect_map(self) + } + } + } +} + +#[cfg(any(feature = "std", feature = "alloc"))] +map_impl!(BTreeMap<K: Ord, V>); + +#[cfg(feature = "std")] +map_impl!(HashMap<K: Eq + Hash, V, H: BuildHasher>); + +//////////////////////////////////////////////////////////////////////////////// + +macro_rules! deref_impl { + ( + $(#[doc = $doc:tt])* + <$($desc:tt)+ + ) => { + $(#[doc = $doc])* + impl <$($desc)+ { + #[inline] + fn serialize<S>(&self, serializer: S) -> Result<S::Ok, S::Error> + where + S: Serializer, + { + (**self).serialize(serializer) + } + } + }; +} + +deref_impl!(<'a, T: ?Sized> Serialize for &'a T where T: Serialize); +deref_impl!(<'a, T: ?Sized> Serialize for &'a mut T where T: Serialize); + +#[cfg(any(feature = "std", feature = "alloc"))] +deref_impl!(<T: ?Sized> Serialize for Box<T> where T: Serialize); + +#[cfg(all(feature = "rc", any(feature = "std", feature = "alloc")))] +deref_impl! { + /// This impl requires the [`"rc"`] Cargo feature of Serde. + /// + /// Serializing a data structure containing `Rc` will serialize a copy of + /// the contents of the `Rc` each time the `Rc` is referenced within the + /// data structure. Serialization will not attempt to deduplicate these + /// repeated data. + /// + /// [`"rc"`]: https://serde.rs/feature-flags.html#-features-rc + <T: ?Sized> Serialize for Rc<T> where T: Serialize +} + +#[cfg(all(feature = "rc", any(feature = "std", feature = "alloc")))] +deref_impl! { + /// This impl requires the [`"rc"`] Cargo feature of Serde. + /// + /// Serializing a data structure containing `Arc` will serialize a copy of + /// the contents of the `Arc` each time the `Arc` is referenced within the + /// data structure. Serialization will not attempt to deduplicate these + /// repeated data. + /// + /// [`"rc"`]: https://serde.rs/feature-flags.html#-features-rc + <T: ?Sized> Serialize for Arc<T> where T: Serialize +} + +#[cfg(any(feature = "std", feature = "alloc"))] +deref_impl!(<'a, T: ?Sized> Serialize for Cow<'a, T> where T: Serialize + ToOwned); + +//////////////////////////////////////////////////////////////////////////////// + +/// This impl requires the [`"rc"`] Cargo feature of Serde. +/// +/// [`"rc"`]: https://serde.rs/feature-flags.html#-features-rc +#[cfg(all(feature = "rc", any(feature = "std", feature = "alloc")))] +impl<T: ?Sized> Serialize for RcWeak<T> +where + T: Serialize, +{ + fn serialize<S>(&self, serializer: S) -> Result<S::Ok, S::Error> + where + S: Serializer, + { + self.upgrade().serialize(serializer) + } +} + +/// This impl requires the [`"rc"`] Cargo feature of Serde. +/// +/// [`"rc"`]: https://serde.rs/feature-flags.html#-features-rc +#[cfg(all(feature = "rc", any(feature = "std", feature = "alloc")))] +impl<T: ?Sized> Serialize for ArcWeak<T> +where + T: Serialize, +{ + fn serialize<S>(&self, serializer: S) -> Result<S::Ok, S::Error> + where + S: Serializer, + { + self.upgrade().serialize(serializer) + } +} + +//////////////////////////////////////////////////////////////////////////////// + +macro_rules! nonzero_integers { + ( $( $T: ident, )+ ) => { + $( + #[cfg(not(no_num_nonzero))] + impl Serialize for num::$T { + fn serialize<S>(&self, serializer: S) -> Result<S::Ok, S::Error> + where + S: Serializer, + { + self.get().serialize(serializer) + } + } + )+ + } +} + +nonzero_integers! { + NonZeroU8, + NonZeroU16, + NonZeroU32, + NonZeroU64, + NonZeroUsize, +} + +#[cfg(not(no_num_nonzero_signed))] +nonzero_integers! { + NonZeroI8, + NonZeroI16, + NonZeroI32, + NonZeroI64, + NonZeroIsize, +} + +// Currently 128-bit integers do not work on Emscripten targets so we need an +// additional `#[cfg]` +serde_if_integer128! { + nonzero_integers! { + NonZeroU128, + } + + #[cfg(not(no_num_nonzero_signed))] + nonzero_integers! { + NonZeroI128, + } +} + +impl<T> Serialize for Cell<T> +where + T: Serialize + Copy, +{ + fn serialize<S>(&self, serializer: S) -> Result<S::Ok, S::Error> + where + S: Serializer, + { + self.get().serialize(serializer) + } +} + +impl<T> Serialize for RefCell<T> +where + T: Serialize, +{ + fn serialize<S>(&self, serializer: S) -> Result<S::Ok, S::Error> + where + S: Serializer, + { + match self.try_borrow() { + Ok(value) => value.serialize(serializer), + Err(_) => Err(S::Error::custom("already mutably borrowed")), + } + } +} + +#[cfg(feature = "std")] +impl<T> Serialize for Mutex<T> +where + T: Serialize, +{ + fn serialize<S>(&self, serializer: S) -> Result<S::Ok, S::Error> + where + S: Serializer, + { + match self.lock() { + Ok(locked) => locked.serialize(serializer), + Err(_) => Err(S::Error::custom("lock poison error while serializing")), + } + } +} + +#[cfg(feature = "std")] +impl<T> Serialize for RwLock<T> +where + T: Serialize, +{ + fn serialize<S>(&self, serializer: S) -> Result<S::Ok, S::Error> + where + S: Serializer, + { + match self.read() { + Ok(locked) => locked.serialize(serializer), + Err(_) => Err(S::Error::custom("lock poison error while serializing")), + } + } +} + +//////////////////////////////////////////////////////////////////////////////// + +impl<T, E> Serialize for Result<T, E> +where + T: Serialize, + E: Serialize, +{ + fn serialize<S>(&self, serializer: S) -> Result<S::Ok, S::Error> + where + S: Serializer, + { + match *self { + Result::Ok(ref value) => serializer.serialize_newtype_variant("Result", 0, "Ok", value), + Result::Err(ref value) => { + serializer.serialize_newtype_variant("Result", 1, "Err", value) + } + } + } +} + +//////////////////////////////////////////////////////////////////////////////// + +#[cfg(any(feature = "std", not(no_core_duration)))] +impl Serialize for Duration { + fn serialize<S>(&self, serializer: S) -> Result<S::Ok, S::Error> + where + S: Serializer, + { + use super::SerializeStruct; + let mut state = try!(serializer.serialize_struct("Duration", 2)); + try!(state.serialize_field("secs", &self.as_secs())); + try!(state.serialize_field("nanos", &self.subsec_nanos())); + state.end() + } +} + +//////////////////////////////////////////////////////////////////////////////// + +#[cfg(feature = "std")] +impl Serialize for SystemTime { + fn serialize<S>(&self, serializer: S) -> Result<S::Ok, S::Error> + where + S: Serializer, + { + use super::SerializeStruct; + let duration_since_epoch = self + .duration_since(UNIX_EPOCH) + .map_err(|_| S::Error::custom("SystemTime must be later than UNIX_EPOCH"))?; + let mut state = try!(serializer.serialize_struct("SystemTime", 2)); + try!(state.serialize_field("secs_since_epoch", &duration_since_epoch.as_secs())); + try!(state.serialize_field("nanos_since_epoch", &duration_since_epoch.subsec_nanos())); + state.end() + } +} + +//////////////////////////////////////////////////////////////////////////////// + +/// Serialize a value that implements `Display` as a string, when that string is +/// statically known to never have more than a constant `MAX_LEN` bytes. +/// +/// Panics if the `Display` impl tries to write more than `MAX_LEN` bytes. +#[cfg(feature = "std")] +macro_rules! serialize_display_bounded_length { + ($value:expr, $max:expr, $serializer:expr) => {{ + let mut buffer = [0u8; $max]; + let remaining_len = { + let mut remaining = &mut buffer[..]; + write!(remaining, "{}", $value).unwrap(); + remaining.len() + }; + let written_len = buffer.len() - remaining_len; + let written = &buffer[..written_len]; + + // write! only provides fmt::Formatter to Display implementations, which + // has methods write_str and write_char but no method to write arbitrary + // bytes. Therefore `written` must be valid UTF-8. + let written_str = str::from_utf8(written).expect("must be valid UTF-8"); + $serializer.serialize_str(written_str) + }}; +} + +#[cfg(feature = "std")] +impl Serialize for net::IpAddr { + fn serialize<S>(&self, serializer: S) -> Result<S::Ok, S::Error> + where + S: Serializer, + { + if serializer.is_human_readable() { + match *self { + net::IpAddr::V4(ref a) => a.serialize(serializer), + net::IpAddr::V6(ref a) => a.serialize(serializer), + } + } else { + match *self { + net::IpAddr::V4(ref a) => { + serializer.serialize_newtype_variant("IpAddr", 0, "V4", a) + } + net::IpAddr::V6(ref a) => { + serializer.serialize_newtype_variant("IpAddr", 1, "V6", a) + } + } + } + } +} + +#[cfg(feature = "std")] +const DEC_DIGITS_LUT: &'static [u8] = b"\ + 0001020304050607080910111213141516171819\ + 2021222324252627282930313233343536373839\ + 4041424344454647484950515253545556575859\ + 6061626364656667686970717273747576777879\ + 8081828384858687888990919293949596979899"; + +#[cfg(feature = "std")] +#[inline] +fn format_u8(mut n: u8, out: &mut [u8]) -> usize { + if n >= 100 { + let d1 = ((n % 100) << 1) as usize; + n /= 100; + out[0] = b'0' + n; + out[1] = DEC_DIGITS_LUT[d1]; + out[2] = DEC_DIGITS_LUT[d1 + 1]; + 3 + } else if n >= 10 { + let d1 = (n << 1) as usize; + out[0] = DEC_DIGITS_LUT[d1]; + out[1] = DEC_DIGITS_LUT[d1 + 1]; + 2 + } else { + out[0] = b'0' + n; + 1 + } +} + +#[cfg(feature = "std")] +#[test] +fn test_format_u8() { + let mut i = 0u8; + + loop { + let mut buf = [0u8; 3]; + let written = format_u8(i, &mut buf); + assert_eq!(i.to_string().as_bytes(), &buf[..written]); + + match i.checked_add(1) { + Some(next) => i = next, + None => break, + } + } +} + +#[cfg(feature = "std")] +impl Serialize for net::Ipv4Addr { + fn serialize<S>(&self, serializer: S) -> Result<S::Ok, S::Error> + where + S: Serializer, + { + if serializer.is_human_readable() { + const MAX_LEN: usize = 15; + debug_assert_eq!(MAX_LEN, "101.102.103.104".len()); + let mut buf = [b'.'; MAX_LEN]; + let mut written = format_u8(self.octets()[0], &mut buf); + for oct in &self.octets()[1..] { + // Skip over delimiters that we initialized buf with + written += format_u8(*oct, &mut buf[written + 1..]) + 1; + } + // We've only written ASCII bytes to the buffer, so it is valid UTF-8 + serializer.serialize_str(unsafe { str::from_utf8_unchecked(&buf[..written]) }) + } else { + self.octets().serialize(serializer) + } + } +} + +#[cfg(feature = "std")] +impl Serialize for net::Ipv6Addr { + fn serialize<S>(&self, serializer: S) -> Result<S::Ok, S::Error> + where + S: Serializer, + { + if serializer.is_human_readable() { + const MAX_LEN: usize = 39; + debug_assert_eq!(MAX_LEN, "1001:1002:1003:1004:1005:1006:1007:1008".len()); + serialize_display_bounded_length!(self, MAX_LEN, serializer) + } else { + self.octets().serialize(serializer) + } + } +} + +#[cfg(feature = "std")] +impl Serialize for net::SocketAddr { + fn serialize<S>(&self, serializer: S) -> Result<S::Ok, S::Error> + where + S: Serializer, + { + if serializer.is_human_readable() { + match *self { + net::SocketAddr::V4(ref addr) => addr.serialize(serializer), + net::SocketAddr::V6(ref addr) => addr.serialize(serializer), + } + } else { + match *self { + net::SocketAddr::V4(ref addr) => { + serializer.serialize_newtype_variant("SocketAddr", 0, "V4", addr) + } + net::SocketAddr::V6(ref addr) => { + serializer.serialize_newtype_variant("SocketAddr", 1, "V6", addr) + } + } + } + } +} + +#[cfg(feature = "std")] +impl Serialize for net::SocketAddrV4 { + fn serialize<S>(&self, serializer: S) -> Result<S::Ok, S::Error> + where + S: Serializer, + { + if serializer.is_human_readable() { + const MAX_LEN: usize = 21; + debug_assert_eq!(MAX_LEN, "101.102.103.104:65000".len()); + serialize_display_bounded_length!(self, MAX_LEN, serializer) + } else { + (self.ip(), self.port()).serialize(serializer) + } + } +} + +#[cfg(feature = "std")] +impl Serialize for net::SocketAddrV6 { + fn serialize<S>(&self, serializer: S) -> Result<S::Ok, S::Error> + where + S: Serializer, + { + if serializer.is_human_readable() { + const MAX_LEN: usize = 58; + debug_assert_eq!( + MAX_LEN, + "[1001:1002:1003:1004:1005:1006:1007:1008%4294967295]:65000".len() + ); + serialize_display_bounded_length!(self, MAX_LEN, serializer) + } else { + (self.ip(), self.port()).serialize(serializer) + } + } +} + +//////////////////////////////////////////////////////////////////////////////// + +#[cfg(feature = "std")] +impl Serialize for Path { + fn serialize<S>(&self, serializer: S) -> Result<S::Ok, S::Error> + where + S: Serializer, + { + match self.to_str() { + Some(s) => s.serialize(serializer), + None => Err(Error::custom("path contains invalid UTF-8 characters")), + } + } +} + +#[cfg(feature = "std")] +impl Serialize for PathBuf { + fn serialize<S>(&self, serializer: S) -> Result<S::Ok, S::Error> + where + S: Serializer, + { + self.as_path().serialize(serializer) + } +} + +#[cfg(all(feature = "std", any(unix, windows)))] +impl Serialize for OsStr { + #[cfg(unix)] + fn serialize<S>(&self, serializer: S) -> Result<S::Ok, S::Error> + where + S: Serializer, + { + use std::os::unix::ffi::OsStrExt; + serializer.serialize_newtype_variant("OsString", 0, "Unix", self.as_bytes()) + } + + #[cfg(windows)] + fn serialize<S>(&self, serializer: S) -> Result<S::Ok, S::Error> + where + S: Serializer, + { + use std::os::windows::ffi::OsStrExt; + let val = self.encode_wide().collect::<Vec<_>>(); + serializer.serialize_newtype_variant("OsString", 1, "Windows", &val) + } +} + +#[cfg(all(feature = "std", any(unix, windows)))] +impl Serialize for OsString { + fn serialize<S>(&self, serializer: S) -> Result<S::Ok, S::Error> + where + S: Serializer, + { + self.as_os_str().serialize(serializer) + } +} + +//////////////////////////////////////////////////////////////////////////////// + +impl<T> Serialize for Wrapping<T> +where + T: Serialize, +{ + #[inline] + fn serialize<S>(&self, serializer: S) -> Result<S::Ok, S::Error> + where + S: Serializer, + { + self.0.serialize(serializer) + } +} + +#[cfg(not(no_core_reverse))] +impl<T> Serialize for Reverse<T> +where + T: Serialize, +{ + #[inline] + fn serialize<S>(&self, serializer: S) -> Result<S::Ok, S::Error> + where + S: Serializer, + { + self.0.serialize(serializer) + } +} + +//////////////////////////////////////////////////////////////////////////////// + +#[cfg(all(feature = "std", not(no_std_atomic)))] +macro_rules! atomic_impl { + ($($ty:ident)*) => { + $( + impl Serialize for $ty { + fn serialize<S>(&self, serializer: S) -> Result<S::Ok, S::Error> + where + S: Serializer, + { + // Matches the atomic ordering used in libcore for the Debug impl + self.load(Ordering::SeqCst).serialize(serializer) + } + } + )* + } +} + +#[cfg(all(feature = "std", not(no_std_atomic)))] +atomic_impl! { + AtomicBool + AtomicI8 AtomicI16 AtomicI32 AtomicIsize + AtomicU8 AtomicU16 AtomicU32 AtomicUsize +} + +#[cfg(all(feature = "std", not(no_std_atomic64)))] +atomic_impl! { + AtomicI64 AtomicU64 +} |