gecko-dev/dom/base/nsAttrValueOrString.cpp

30 строки
760 B
C++

/* -*- 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;
}