summaryrefslogtreecommitdiffstats
path: root/vendor/toml_edit/src/de/key.rs
diff options
context:
space:
mode:
authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-05-04 12:41:41 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-05-04 12:41:41 +0000
commit10ee2acdd26a7f1298c6f6d6b7af9b469fe29b87 (patch)
treebdffd5d80c26cf4a7a518281a204be1ace85b4c1 /vendor/toml_edit/src/de/key.rs
parentReleasing progress-linux version 1.70.0+dfsg1-9~progress7.99u1. (diff)
downloadrustc-10ee2acdd26a7f1298c6f6d6b7af9b469fe29b87.tar.xz
rustc-10ee2acdd26a7f1298c6f6d6b7af9b469fe29b87.zip
Merging upstream version 1.70.0+dfsg2.
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'vendor/toml_edit/src/de/key.rs')
-rw-r--r--vendor/toml_edit/src/de/key.rs140
1 files changed, 140 insertions, 0 deletions
diff --git a/vendor/toml_edit/src/de/key.rs b/vendor/toml_edit/src/de/key.rs
new file mode 100644
index 000000000..3da41df41
--- /dev/null
+++ b/vendor/toml_edit/src/de/key.rs
@@ -0,0 +1,140 @@
+use serde::de::IntoDeserializer;
+
+use super::Error;
+
+pub(crate) struct KeyDeserializer {
+ span: Option<std::ops::Range<usize>>,
+ key: crate::InternalString,
+}
+
+impl KeyDeserializer {
+ pub(crate) fn new(key: crate::InternalString, span: Option<std::ops::Range<usize>>) -> Self {
+ KeyDeserializer { span, key }
+ }
+}
+
+impl<'de> serde::de::IntoDeserializer<'de, Error> for KeyDeserializer {
+ type Deserializer = Self;
+
+ fn into_deserializer(self) -> Self::Deserializer {
+ self
+ }
+}
+
+impl<'de> serde::de::Deserializer<'de> for KeyDeserializer {
+ type Error = Error;
+
+ fn deserialize_any<V>(self, visitor: V) -> Result<V::Value, Error>
+ where
+ V: serde::de::Visitor<'de>,
+ {
+ self.key.into_deserializer().deserialize_any(visitor)
+ }
+
+ fn deserialize_enum<V>(
+ self,
+ name: &str,
+ variants: &'static [&'static str],
+ visitor: V,
+ ) -> Result<V::Value, Self::Error>
+ where
+ V: serde::de::Visitor<'de>,
+ {
+ let _ = name;
+ let _ = variants;
+ visitor.visit_enum(self)
+ }
+
+ fn deserialize_struct<V>(
+ self,
+ name: &'static str,
+ fields: &'static [&'static str],
+ visitor: V,
+ ) -> Result<V::Value, Error>
+ where
+ V: serde::de::Visitor<'de>,
+ {
+ if serde_spanned::__unstable::is_spanned(name, fields) {
+ if let Some(span) = self.span.clone() {
+ return visitor.visit_map(super::SpannedDeserializer::new(self.key.as_str(), span));
+ }
+ }
+ self.deserialize_any(visitor)
+ }
+
+ serde::forward_to_deserialize_any! {
+ bool u8 u16 u32 u64 i8 i16 i32 i64 f32 f64 char str string seq
+ bytes byte_buf map option unit newtype_struct
+ ignored_any unit_struct tuple_struct tuple identifier
+ }
+}
+
+impl<'de> serde::de::EnumAccess<'de> for KeyDeserializer {
+ type Error = super::Error;
+ type Variant = UnitOnly<Self::Error>;
+
+ fn variant_seed<T>(self, seed: T) -> Result<(T::Value, Self::Variant), Self::Error>
+ where
+ T: serde::de::DeserializeSeed<'de>,
+ {
+ seed.deserialize(self).map(unit_only)
+ }
+}
+
+pub(crate) struct UnitOnly<E> {
+ marker: std::marker::PhantomData<E>,
+}
+
+fn unit_only<T, E>(t: T) -> (T, UnitOnly<E>) {
+ (
+ t,
+ UnitOnly {
+ marker: std::marker::PhantomData,
+ },
+ )
+}
+
+impl<'de, E> serde::de::VariantAccess<'de> for UnitOnly<E>
+where
+ E: serde::de::Error,
+{
+ type Error = E;
+
+ fn unit_variant(self) -> Result<(), Self::Error> {
+ Ok(())
+ }
+
+ fn newtype_variant_seed<T>(self, _seed: T) -> Result<T::Value, Self::Error>
+ where
+ T: serde::de::DeserializeSeed<'de>,
+ {
+ Err(serde::de::Error::invalid_type(
+ serde::de::Unexpected::UnitVariant,
+ &"newtype variant",
+ ))
+ }
+
+ fn tuple_variant<V>(self, _len: usize, _visitor: V) -> Result<V::Value, Self::Error>
+ where
+ V: serde::de::Visitor<'de>,
+ {
+ Err(serde::de::Error::invalid_type(
+ serde::de::Unexpected::UnitVariant,
+ &"tuple variant",
+ ))
+ }
+
+ fn struct_variant<V>(
+ self,
+ _fields: &'static [&'static str],
+ _visitor: V,
+ ) -> Result<V::Value, Self::Error>
+ where
+ V: serde::de::Visitor<'de>,
+ {
+ Err(serde::de::Error::invalid_type(
+ serde::de::Unexpected::UnitVariant,
+ &"struct variant",
+ ))
+ }
+}