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-rw-r--r--parser/html/nsHtml5OwningUTF16Buffer.h64
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diff --git a/parser/html/nsHtml5OwningUTF16Buffer.h b/parser/html/nsHtml5OwningUTF16Buffer.h
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+++ b/parser/html/nsHtml5OwningUTF16Buffer.h
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+/* 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 nsHtml5OwningUTF16Buffer_h
+#define nsHtml5OwningUTF16Buffer_h
+
+#include "nsHtml5UTF16Buffer.h"
+#include "mozilla/Span.h"
+
+class nsHtml5OwningUTF16Buffer : public nsHtml5UTF16Buffer {
+ public:
+ NS_INLINE_DECL_THREADSAFE_REFCOUNTING(nsHtml5OwningUTF16Buffer)
+
+ private:
+ /**
+ * Passes a buffer and its length to the superclass constructor.
+ */
+ explicit nsHtml5OwningUTF16Buffer(char16_t* aBuffer);
+
+ public:
+ /**
+ * Constructor for a parser key placeholder. (No actual buffer.)
+ * @param aKey a parser key
+ */
+ explicit nsHtml5OwningUTF16Buffer(void* aKey);
+
+ protected:
+ /**
+ * Takes care of releasing the owned buffer.
+ */
+ ~nsHtml5OwningUTF16Buffer();
+
+ public:
+ /**
+ * The next buffer in a queue.
+ */
+ RefPtr<nsHtml5OwningUTF16Buffer> next;
+
+ /**
+ * A parser key.
+ */
+ void* key;
+
+ static already_AddRefed<nsHtml5OwningUTF16Buffer> FalliblyCreate(
+ int32_t aLength);
+
+ /**
+ * Swap start, end and buffer fields with another object.
+ */
+ void Swap(nsHtml5OwningUTF16Buffer* aOther);
+
+ /**
+ * Return a span from `end` to `aBufferSize`.
+ */
+ mozilla::Span<char16_t> TailAsSpan(int32_t aBufferSize);
+
+ /**
+ * Add the argument to `end`.
+ */
+ void AdvanceEnd(int32_t aNumberOfCodeUnits);
+};
+
+#endif // nsHtml5OwningUTF16Buffer_h