1 files changed, 28 insertions, 0 deletions
diff --git a/parser/html/nsHtml5ByteReadable.h b/parser/html/nsHtml5ByteReadable.h
new file mode 100644
index 0000000000..e2e318364c
--- /dev/null
+++ b/parser/html/nsHtml5ByteReadable.h
@@ -0,0 +1,28 @@
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+#ifndef nsHtml5ByteReadable_h
+#define nsHtml5ByteReadable_h
+
+/**
+ * A weak reference wrapper around a byte array.
+ */
+class nsHtml5ByteReadable {
+ public:
+  nsHtml5ByteReadable(const uint8_t* aCurrent, const uint8_t* aEnd)
+      : current(aCurrent), end(aEnd) {}
+
+  inline int32_t read() {
+    if (current < end) {
+      return *(current++);
+    } else {
+      return -1;
+    }
+  }
+
+ private:
+  const uint8_t* current;
+  const uint8_t* end;
+};
+#endif