Line data    Source code

       1             : /* This Source Code Form is subject to the terms of the Mozilla Public
       2             :  * License, v. 2.0. If a copy of the MPL was not distributed with this
       3             :  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
       4             : 
       5             : #include "nsHtml5DependentUTF16Buffer.h"
       6             : 
       7           0 : nsHtml5DependentUTF16Buffer::nsHtml5DependentUTF16Buffer(const nsAString& aToWrap)
       8           0 :   : nsHtml5UTF16Buffer(const_cast<char16_t*> (aToWrap.BeginReading()),
       9           0 :                        aToWrap.Length())
      10             : {
      11           0 :   MOZ_COUNT_CTOR(nsHtml5DependentUTF16Buffer);
      12           0 : }
      13             : 
      14           0 : nsHtml5DependentUTF16Buffer::~nsHtml5DependentUTF16Buffer()
      15             : {
      16           0 :   MOZ_COUNT_DTOR(nsHtml5DependentUTF16Buffer);
      17           0 : }
      18             : 
      19             : already_AddRefed<nsHtml5OwningUTF16Buffer>
      20           0 : nsHtml5DependentUTF16Buffer::FalliblyCopyAsOwningBuffer()
      21             : {
      22           0 :   int32_t newLength = getEnd() - getStart();
      23             :   RefPtr<nsHtml5OwningUTF16Buffer> newObj =
      24           0 :     nsHtml5OwningUTF16Buffer::FalliblyCreate(newLength);
      25           0 :   if (!newObj) {
      26           0 :     return nullptr;
      27             :   }
      28           0 :   newObj->setEnd(newLength);
      29           0 :   memcpy(newObj->getBuffer(),
      30           0 :          getBuffer() + getStart(),
      31           0 :          newLength * sizeof(char16_t));
      32           0 :   return newObj.forget();
      33             : }