Merge branch 'main' into indexer-edition-2024

crates/milli/src/update/new/top_level_map.rs

@@ -0,0 +1,66 @@
+use std::borrow::{Borrow, Cow};
+use std::collections::BTreeMap;
+use std::{fmt, ops};
+
+use serde::{Deserialize, Serialize};
+use serde_json::value::RawValue;
+use serde_json::{Map, Value};
+
+#[derive(Deserialize, Serialize)]
+pub struct TopLevelMap<'p>(#[serde(borrow)] pub BTreeMap<CowStr<'p>, &'p RawValue>);
+
+impl TryFrom<&'_ TopLevelMap<'_>> for Map<String, Value> {
+    type Error = serde_json::Error;
+
+    fn try_from(tlmap: &TopLevelMap<'_>) -> Result<Self, Self::Error> {
+        let mut object = Map::new();
+        for (k, v) in &tlmap.0 {
+            let value = serde_json::from_str(v.get())?;
+            object.insert(k.to_string(), value);
+        }
+        Ok(object)
+    }
+}
+
+impl TryFrom<TopLevelMap<'_>> for Map<String, Value> {
+    type Error = serde_json::Error;
+
+    fn try_from(tlmap: TopLevelMap<'_>) -> Result<Self, Self::Error> {
+        TryFrom::try_from(&tlmap)
+    }
+}
+
+impl<'p> ops::Deref for TopLevelMap<'p> {
+    type Target = BTreeMap<CowStr<'p>, &'p RawValue>;
+
+    fn deref(&self) -> &Self::Target {
+        &self.0
+    }
+}
+
+impl ops::DerefMut for TopLevelMap<'_> {
+    fn deref_mut(&mut self) -> &mut Self::Target {
+        &mut self.0
+    }
+}
+
+#[derive(Deserialize, Serialize, PartialEq, Eq, PartialOrd, Ord, Hash, Clone)]
+pub struct CowStr<'p>(#[serde(borrow)] pub Cow<'p, str>);
+
+impl fmt::Display for CowStr<'_> {
+    fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
+        fmt::Display::fmt(&self.0, f)
+    }
+}
+
+impl AsRef<str> for CowStr<'_> {
+    fn as_ref(&self) -> &str {
+        self.0.as_ref()
+    }
+}
+
+impl<'doc> Borrow<str> for CowStr<'doc> {
+    fn borrow(&self) -> &str {
+        self.0.borrow()
+    }
+}