refactor: reduce unsafe, fix Miri violations, and deduplicate code

.github/workflows/ci.yml

@@ -75,6 +75,20 @@
         - uses: dtolnay/rust-toolchain@nightly
         - run: ./scripts/test.sh
 
+  miri:
+    name: Miri
+    runs-on: ubuntu-latest
+    timeout-minutes: 45
+    steps:
+      - uses: actions/checkout@v4
+        with:
+          submodules: true
+      - uses: dtolnay/rust-toolchain@nightly
+        with:
+          components: miri
+      - name: Run Miri
+        run: cargo miri test --all-features --lib
+
   clippy_lint:
     name: Format check
     runs-on: ubuntu-latest

.github/workflows/dependency-review.yaml

@@ -6,7 +6,7 @@ permissions:
 
 jobs:
   dependency-review:
-    runs-on: [self-hosted, Linux, amd64]
+    runs-on: ubuntu-latest
     steps:
       - name: 'Checkout Repository'
         uses: actions/checkout@v4

.gitignore

@@ -1,3 +1,6 @@
+.cursor/
+.claude/
+tmp/
 target/
 build/
 .vscode/
@@ -12,4 +15,4 @@ Cargo.lock
 *.profdata
 *.svg
 *.diff
-.DS_Store
+.DS_Store

src/input.rs

@@ -14,7 +14,7 @@ pub enum JsonSlice<'de> {
 
 impl<'de> JsonSlice<'de> {
     #[inline(always)]
-    pub(crate) unsafe fn as_faststr(&self) -> FastStr {
+    pub(crate) fn as_faststr(&self) -> FastStr {
         match self {
             JsonSlice::Raw(sub) => FastStr::new(as_str(sub)),
             JsonSlice::FastStr(f) => f.clone(),

src/lazyvalue/get.rs

@@ -179,7 +179,7 @@ where
     let slice = json.to_u8_slice();
     let reader = Read::new(slice, false);
     let mut parser = Parser::new(reader);
-    let (sub, status) = parser.get_from_with_iter_unchecked(path)?;
+    let (sub, status) = parser.get_from_with_iter(path, false)?;
     Ok(LazyValue::new(json.from_subset(sub), status.into()))
 }
 
@@ -403,7 +403,7 @@ where
     let slice = json.to_u8_slice();
     let reader = Read::new(slice, false);
     let mut parser = Parser::new(reader);
-    let (sub, status) = parser.get_from_with_iter(path)?;
+    let (sub, status) = parser.get_from_with_iter(path, true)?;
     let lv = LazyValue::new(json.from_subset(sub), status.into());
 
     // validate the utf-8 if slice

src/lazyvalue/owned.rs

@@ -500,13 +500,7 @@ impl JsonContainerTrait for OwnedLazyValue {
     #[inline]
     fn as_array(&self) -> Option<&Self::ArrayType> {
         let parsed = match &self.0 {
-            LazyPacked::Raw(raw) => {
-                if raw.get_type() == JsonType::Array {
-                    raw.load().ok()?
-                } else {
-                    return None;
-                }
-            }
+            LazyPacked::Raw(raw) if raw.get_type() == JsonType::Array => raw.load().ok()?,
             LazyPacked::Parsed(parsed) => parsed,
             _ => return None,
         };
@@ -521,13 +515,7 @@ impl JsonContainerTrait for OwnedLazyValue {
     #[inline]
     fn as_object(&self) -> Option<&Self::ObjectType> {
         let parsed = match &self.0 {
-            LazyPacked::Raw(raw) => {
-                if raw.get_type() == JsonType::Object {
-                    raw.load().ok()?
-                } else {
-                    return None;
-                }
-            }
+            LazyPacked::Raw(raw) if raw.get_type() == JsonType::Object => raw.load().ok()?,
             LazyPacked::Parsed(parsed) => parsed,
             _ => return None,
         };
@@ -590,7 +578,7 @@ impl OwnedLazyValue {
 
 impl<'de> From<LazyValue<'de>> for OwnedLazyValue {
     fn from(lv: LazyValue<'de>) -> Self {
-        let raw = unsafe { lv.raw.as_faststr() };
+        let raw = lv.raw.as_faststr();
         if lv.inner.no_escaped() && raw.as_bytes()[0] == b'"' {
             return Self(LazyPacked::NonEscStrRaw(raw));
         }