1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118
macro_rules! impl_string_type { ($wrapper_ty:ident, $mapping_ty:ident, $field_type:ident) => { impl<TMapping> $field_type<TMapping> for $wrapper_ty<TMapping> where TMapping: $mapping_ty {} impl_mapping_type!(String, $wrapper_ty, $mapping_ty); impl<'a, TMapping> From<$wrapper_ty<TMapping>> for String where TMapping: $mapping_ty, { fn from(wrapper: $wrapper_ty<TMapping>) -> Self { wrapper.value } } impl<'a, TMapping> From<&'a $wrapper_ty<TMapping>> for std::borrow::Cow<'a, str> where TMapping: $mapping_ty, { fn from(wrapper: &'a $wrapper_ty<TMapping>) -> Self { wrapper.as_ref().into() } } impl<'a, TMapping> From<$wrapper_ty<TMapping>> for std::borrow::Cow<'a, str> where TMapping: $mapping_ty, { fn from(wrapper: $wrapper_ty<TMapping>) -> Self { String::from(wrapper).into() } } impl<TMapping> AsRef<str> for $wrapper_ty<TMapping> where TMapping: $mapping_ty, { fn as_ref(&self) -> &str { &self.value } } impl<'a, TMapping> PartialEq<&'a str> for $wrapper_ty<TMapping> where TMapping: $mapping_ty, { fn eq(&self, other: &&'a str) -> bool { PartialEq::eq(&self.value, *other) } fn ne(&self, other: &&'a str) -> bool { PartialEq::ne(&self.value, *other) } } impl<'a, TMapping> PartialEq<$wrapper_ty<TMapping>> for &'a str where TMapping: $mapping_ty, { fn eq(&self, other: &$wrapper_ty<TMapping>) -> bool { PartialEq::eq(*self, &other.value) } fn ne(&self, other: &$wrapper_ty<TMapping>) -> bool { PartialEq::ne(*self, &other.value) } } impl<TMapping> Serialize for $wrapper_ty<TMapping> where TMapping: $mapping_ty, { fn serialize<S>(&self, serializer: S) -> Result<S::Ok, S::Error> where S: Serializer, { serializer.serialize_str(&self.value) } } impl<'de, TMapping> Deserialize<'de> for $wrapper_ty<TMapping> where TMapping: $mapping_ty, { fn deserialize<D>(deserializer: D) -> Result<$wrapper_ty<TMapping>, D::Error> where D: Deserializer<'de>, { struct StringVisitor<TMapping> { _m: PhantomData<TMapping>, } impl<'de, TMapping> Visitor<'de> for StringVisitor<TMapping> where TMapping: $mapping_ty, { type Value = $wrapper_ty<TMapping>; fn expecting( &self, formatter: &mut ::std::fmt::Formatter, ) -> ::std::fmt::Result { write!(formatter, "a json string") } fn visit_str<E>(self, v: &str) -> Result<$wrapper_ty<TMapping>, E> where E: Error, { Ok($wrapper_ty::new(v)) } } deserializer.deserialize_any(StringVisitor { _m: PhantomData }) } } }; }