1 files changed, 74 insertions, 0 deletions
diff --git a/benchmarks/quick-xml/src/count_highway_crossings.rs b/benchmarks/quick-xml/src/count_highway_crossings.rs
new file mode 100644
index 0000000..9b68142
--- /dev/null
+++ b/benchmarks/quick-xml/src/count_highway_crossings.rs
@@ -0,0 +1,74 @@
+use quick_xml::events::Event;
+use quick_xml::Reader;
+
+pub fn count_highway_crossings(buffer: &[u8]) -> usize {
+    let mut reader = Reader::from_reader(buffer);
+    reader.config_mut().check_end_names = false;
+
+    let mut count = 0usize;
+    let mut in_node = false;
+
+    loop {
+        match reader.read_event() {
+            Ok(Event::Eof) => break,
+
+            Ok(Event::Start(e)) if e.name().as_ref() == b"node" => {
+                in_node = true;
+            }
+
+            Ok(Event::End(e)) if e.name().as_ref() == b"node" => {
+                in_node = false;
+            }
+
+            Ok(Event::Start(e)) | Ok(Event::Empty(e))
+                if in_node && e.name().as_ref() == b"tag" =>
+            {
+                let mut attrs = e.attributes();
+                if attrs.next().unwrap().unwrap().value.as_ref() == b"highway"
+                    && attrs.next().unwrap().unwrap().value.as_ref() == b"crossing" {
+                    count += 1;
+                }
+            }
+
+            Ok(_) => {}
+            Err(_) => break,
+        }
+    }
+
+    count
+}
+
+pub fn count_highway_crossings_cheat_and_early_out(buffer: &[u8]) -> usize {
+    let mut reader = Reader::from_reader(buffer);
+    reader.config_mut().check_end_names = false;
+
+    let mut count = 0usize;
+
+    loop {
+        match reader.read_event() {
+            Ok(Event::Eof) => break,
+
+            Ok(Event::Start(e)) | Ok(Event::Empty(e))
+                if e.name().as_ref() == b"tag" =>
+            {
+                let mut attrs = e.attributes();
+                if attrs.next().unwrap().unwrap().value.as_ref() == b"highway"
+                    && attrs.next().unwrap().unwrap().value.as_ref() == b"crossing" {
+                    count += 1;
+                }
+            }
+
+            Ok(Event::Start(e)) | Ok(Event::Empty(e))
+                if e.name().as_ref() == b"way" =>
+            {
+                break;
+            }
+
+            Ok(_) => {}
+            Err(_) => break,
+        }
+    }
+
+    count
+}
+