parser/html/nsHtml5DependentUTF16Buffer.cpp
author Ehsan Akhgari <ehsan@mozilla.com>
Wed, 09 Sep 2015 20:10:56 -0400
changeset 296088 e8057795e5888731f830d0ba0428b095b71d110c
parent 179103 5a9badd6db004310b9d1aca5db25ef4c275a4362
child 301514 91d4539e00cecb658604e021675a923c60ef3235
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/. */

#include "nsHtml5DependentUTF16Buffer.h"

nsHtml5DependentUTF16Buffer::nsHtml5DependentUTF16Buffer(const nsAString& aToWrap)
  : nsHtml5UTF16Buffer(const_cast<char16_t*> (aToWrap.BeginReading()),
                       aToWrap.Length())
{
  MOZ_COUNT_CTOR(nsHtml5DependentUTF16Buffer);
}

nsHtml5DependentUTF16Buffer::~nsHtml5DependentUTF16Buffer()
{
  MOZ_COUNT_DTOR(nsHtml5DependentUTF16Buffer);
}

already_AddRefed<nsHtml5OwningUTF16Buffer>
nsHtml5DependentUTF16Buffer::FalliblyCopyAsOwningBuffer()
{
  int32_t newLength = getEnd() - getStart();
  nsRefPtr<nsHtml5OwningUTF16Buffer> newObj =
    nsHtml5OwningUTF16Buffer::FalliblyCreate(newLength);
  if (!newObj) {
    return nullptr;
  }
  newObj->setEnd(newLength);
  memcpy(newObj->getBuffer(),
         getBuffer() + getStart(),
         newLength * sizeof(char16_t));
  return newObj.forget();
}