dom/base/nsAttrValueOrString.cpp

   1 /* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
   2 /* vim: set ts=8 sts=2 et sw=2 tw=80: */
   3 /* This Source Code Form is subject to the terms of the Mozilla Public
   4  * License, v. 2.0. If a copy of the MPL was not distributed with this file,
   5  * You can obtain one at http://mozilla.org/MPL/2.0/. */
   6
   7 #include "nsAttrValueOrString.h"
   8
   9 const nsAString& nsAttrValueOrString::String() const {
  10   if (mStringPtr) {
  11     return *mStringPtr;
  12   }
  13
  14   if (!mAttrValue) {
  15     mStringPtr = &mCheapString;
  16     return *mStringPtr;
  17   }
  18
  19   if (mAttrValue->Type() == nsAttrValue::eString) {
  20     mCheapString = mAttrValue->GetStringValue();
  21     mStringPtr = &mCheapString;
  22     return *mStringPtr;
  23   }
  24
  25   mAttrValue->ToString(mCheapString);
  26   mStringPtr = &mCheapString;
  27   return *mStringPtr;
  28 }