dom/base/nsAttrValueOrString.cpp
author Mike Hommey <mh+mozilla@glandium.org>
Thu, 26 Mar 2015 12:07:17 +0900
changeset 258314 fc1e894eec2fbd34b745cd94f505080427d24705
parent 236672 2db29c0ae60b6eb0e196165631127d195fe2ef0b
child 272011 bd079aadd3feeee3f9b9f73c5e0bc4bd6a870722
permissions -rw-r--r--
Bug 1147207 - Add a ComposedFinder class that acts like a FileFinder proxy over multiple FileFinders. r=gps, a=sledru

/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* 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 "nsAttrValueOrString.h"

const nsAString&
nsAttrValueOrString::String() const
{
  if (mStringPtr) {
    return *mStringPtr;
  }

  if (!mAttrValue) {
    mStringPtr = &mCheapString;
    return *mStringPtr;
  }

  if (mAttrValue->Type() == nsAttrValue::eString) {
    mCheapString = mAttrValue->GetStringValue();
    mStringPtr = &mCheapString;
    return *mStringPtr;
  }

  mAttrValue->ToString(mCheapString);
  mStringPtr = &mCheapString;
  return *mStringPtr;
}