michael@0: /* This Source Code Form is subject to the terms of the Mozilla Public
michael@0:  * License, v. 2.0. If a copy of the MPL was not distributed with this
michael@0:  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
michael@0: 
michael@0: #ifndef nsHtml5DependentUTF16Buffer_h
michael@0: #define nsHtml5DependentUTF16Buffer_h
michael@0: 
michael@0: #include "nscore.h"
michael@0: #include "nsHtml5OwningUTF16Buffer.h"
michael@0: 
michael@0: class MOZ_STACK_CLASS nsHtml5DependentUTF16Buffer : public nsHtml5UTF16Buffer
michael@0: {
michael@0:   public:
michael@0:     /**
michael@0:      * Wraps a string without taking ownership of the buffer. aToWrap MUST NOT
michael@0:      * go away or be shortened while nsHtml5DependentUTF16Buffer is in use.
michael@0:      */
michael@0:     nsHtml5DependentUTF16Buffer(const nsAString& aToWrap);
michael@0: 
michael@0:     ~nsHtml5DependentUTF16Buffer();
michael@0: 
michael@0:     /**
michael@0:      * Copies the currently unconsumed part of this buffer into a new
michael@0:      * heap-allocated nsHtml5OwningUTF16Buffer. The new object is allocated
michael@0:      * with a fallible allocator. If the allocation fails, nullptr is returned.
michael@0:      * @return heap-allocated copy or nullptr if memory allocation failed
michael@0:      */
michael@0:     already_AddRefed<nsHtml5OwningUTF16Buffer> FalliblyCopyAsOwningBuffer();
michael@0: };
michael@0: 
michael@0: #endif // nsHtml5DependentUTF16Buffer_h