parser/html/nsHtml5DependentUTF16Buffer.h
author Ehsan Akhgari <ehsan@mozilla.com>
Wed, 09 Sep 2015 20:10:56 -0400
changeset 296088 e8057795e5888731f830d0ba0428b095b71d110c
parent 225824 118399d457685f5368da09f20cf647308a869175
child 464681 6af1f5ac596b4aa0a87f8a8151395c692eb81a58
permissions -rw-r--r--
Bug 1203386 - Fix two implicit constructors in ActorsChild.h; r=baku

/* 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 nsHtml5DependentUTF16Buffer_h
#define nsHtml5DependentUTF16Buffer_h

#include "nscore.h"
#include "nsHtml5OwningUTF16Buffer.h"

class MOZ_STACK_CLASS nsHtml5DependentUTF16Buffer : public nsHtml5UTF16Buffer
{
  public:
    /**
     * Wraps a string without taking ownership of the buffer. aToWrap MUST NOT
     * go away or be shortened while nsHtml5DependentUTF16Buffer is in use.
     */
    explicit nsHtml5DependentUTF16Buffer(const nsAString& aToWrap);

    ~nsHtml5DependentUTF16Buffer();

    /**
     * Copies the currently unconsumed part of this buffer into a new
     * heap-allocated nsHtml5OwningUTF16Buffer. The new object is allocated
     * with a fallible allocator. If the allocation fails, nullptr is returned.
     * @return heap-allocated copy or nullptr if memory allocation failed
     */
    already_AddRefed<nsHtml5OwningUTF16Buffer> FalliblyCopyAsOwningBuffer();
};

#endif // nsHtml5DependentUTF16Buffer_h