From 3f4ceb05e6166da0312a101cc3df35b91b565fec Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Tomasz=20Buczy=C5=84ski?=
 <56112903+tomekb234@users.noreply.github.com>
Date: Tue, 28 Oct 2025 21:01:50 +0100
Subject: [PATCH 1/2] Allow &[u8] and Vec<u8> input

Fixes #61.
---
 src/lib.rs         | 10 ++++++++++
 src/parser/base.rs |  4 ++--
 src/vdom.rs        | 28 ++++++++++++++--------------
 3 files changed, 26 insertions(+), 16 deletions(-)

diff --git a/src/lib.rs b/src/lib.rs
index 6417134..3bb058d 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -47,6 +47,11 @@ pub use vdom::{VDom, VDomGuard};
 /// assert_eq!(dom.query_selector("div").unwrap().count(), 1);
 /// ```
 pub fn parse(input: &str, options: ParserOptions) -> Result<VDom<'_>, ParseError> {
+    parse_bytes(input.as_bytes(), options)
+}
+
+/// Same as `parse()`, but with `&[u8]` input.
+pub fn parse_bytes(input: &[u8], options: ParserOptions) -> Result<VDom<'_>, ParseError> {
     let mut parser = Parser::new(input, options);
     parser.parse()?;
     Ok(VDom::from(parser))
@@ -83,5 +88,10 @@ pub fn parse_query_selector(input: &str) -> Option<Selector<'_>> {
 /// Once `VDomGuard` goes out of scope, the string will be freed.
 /// It should not be possible to cause UB in its current form and might become a safe function in the future.
 pub unsafe fn parse_owned(input: String, options: ParserOptions) -> Result<VDomGuard, ParseError> {
+    parse_bytes_owned(input.into_bytes(), options)
+}
+
+/// Same as `parse_owned()`, but with `Vec<u8>` input.
+pub unsafe fn parse_bytes_owned(input: Vec<u8>, options: ParserOptions) -> Result<VDomGuard, ParseError> {
     VDomGuard::parse(input, options)
 }
diff --git a/src/parser/base.rs b/src/parser/base.rs
index 7b8c498..188e94a 100644
--- a/src/parser/base.rs
+++ b/src/parser/base.rs
@@ -53,12 +53,12 @@ pub struct Parser<'a> {
 }
 
 impl<'a> Parser<'a> {
-    pub(crate) fn new(input: &str, options: ParserOptions) -> Parser {
+    pub(crate) fn new(input: &[u8], options: ParserOptions) -> Parser {
         Parser {
             stack: Vec::with_capacity(4),
             options,
             tags: Vec::new(),
-            stream: Stream::new(input.as_bytes()),
+            stream: Stream::new(input),
             ast: Vec::new(),
             ids: HashMap::new(),
             classes: HashMap::new(),
diff --git a/src/vdom.rs b/src/vdom.rs
index 5a98a6c..0d9331d 100644
--- a/src/vdom.rs
+++ b/src/vdom.rs
@@ -188,9 +188,9 @@ pub struct VDomGuard {
     /// Wrapped VDom instance
     dom: VDom<'static>,
     /// The leaked input string that is referenced by self.dom
-    _s: RawString,
+    _b: RawBytes,
     /// PhantomData for self.dom
-    _phantom: PhantomData<&'static str>,
+    _phantom: PhantomData<&'static [u8]>,
 }
 
 unsafe impl Send for VDomGuard {}
@@ -198,23 +198,23 @@ unsafe impl Sync for VDomGuard {}
 
 impl VDomGuard {
     /// Parses the input string
-    pub(crate) fn parse(input: String, options: ParserOptions) -> Result<VDomGuard, ParseError> {
-        let input = RawString::new(input);
+    pub(crate) fn parse(input: Vec<u8>, options: ParserOptions) -> Result<VDomGuard, ParseError> {
+        let input = RawBytes::new(input);
 
         let ptr = input.as_ptr();
 
-        let input_ref: &'static str = unsafe { &*ptr };
+        let input_ref: &'static [u8] = unsafe { &*ptr };
 
         // Parsing will either:
         // a) succeed, and we return a VDom instance
         //    that, when dropped, will free the input string
         // b) fail, and we return a ParseError
-        //    and `RawString`s destructor will run and deallocate the string properly
+        //    and `RawBytes`s destructor will run and deallocate the string properly
         let mut parser = Parser::new(input_ref, options);
         parser.parse()?;
 
         Ok(Self {
-            _s: input,
+            _b: input,
             dom: VDom::from(parser),
             _phantom: PhantomData,
         })
@@ -238,21 +238,21 @@ impl VDomGuard {
 }
 
 #[derive(Debug)]
-struct RawString(*mut str);
+struct RawBytes(*mut [u8]);
 
-impl RawString {
-    pub fn new(s: String) -> Self {
-        Self(Box::into_raw(s.into_boxed_str()))
+impl RawBytes {
+    pub fn new(s: Vec<u8>) -> Self {
+        Self(Box::into_raw(s.into_boxed_slice()))
     }
 
-    pub fn as_ptr(&self) -> *mut str {
+    pub fn as_ptr(&self) -> *mut [u8] {
         self.0
     }
 }
 
-impl Drop for RawString {
+impl Drop for RawBytes {
     fn drop(&mut self) {
-        // SAFETY: the pointer is always valid because `RawString` can only be constructed through `RawString::new()`
+        // SAFETY: the pointer is always valid because `RawBytes` can only be constructed through `RawBytes::new()`
         unsafe {
             drop(Box::from_raw(self.0));
         };

From ff062a4adc531f32a5d7d3dfbc3bcaef6265f6d4 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Tomasz=20Buczy=C5=84ski?=
 <56112903+tomekb234@users.noreply.github.com>
Date: Tue, 28 Oct 2025 21:43:43 +0100
Subject: [PATCH 2/2] Add test for non-UTF-8 input

---
 src/tests.rs | 17 ++++++++++++++++-
 1 file changed, 16 insertions(+), 1 deletion(-)

diff --git a/src/tests.rs b/src/tests.rs
index 046861a..d7c07c2 100644
--- a/src/tests.rs
+++ b/src/tests.rs
@@ -1,4 +1,4 @@
-use crate::{parse, parse_owned, Bytes};
+use crate::{parse, parse_bytes, parse_owned, Bytes};
 use crate::{parser::*, HTMLTag, Node};
 
 fn force_as_tag<'a, 'b>(actual: &'a Node<'b>) -> &'a HTMLTag<'b> {
@@ -778,3 +778,18 @@ fn tag_raw_abrupt_stop() {
     let from_raw = first_tag.raw().try_as_utf8_str().unwrap();
     assert_eq!(from_raw, "<p>abcd</p");
 }
+
+#[test]
+fn non_utf8() {
+    let input = b"<p>\xc3\x28</p>".as_ref();
+
+    let vdom = parse_bytes(input, Default::default()).unwrap();
+
+    let first_tag = vdom.children()[0]
+        .get(vdom.parser())
+        .unwrap()
+        .as_tag()
+        .unwrap();
+
+    assert_eq!(first_tag.raw().as_bytes(), b"<p>\xc3\x28</p>");
+}