gecko-dev/dom/base/BorrowedAttrInfo.h
Emilio Cobos Álvarez 11ac7c1d96 Bug 1288590: Rename nsAttrInfo to mozilla::dom::BorrowedAttrInfo. r=bholley
Unfortunately couldn't add all the debug checks that I'd want, since we can't
assert that is not safe to run script in quite a few places :(

MozReview-Commit-ID: 8m3Wm1WntZs
2016-07-27 11:18:33 -07:00

47 lines
1.2 KiB
C++

/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set ts=8 sts=2 et sw=2 tw=80: */
/* 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/. */
#ifndef BorrowedAttrInfo_h__
#define BorrowedAttrInfo_h__
#include "mozilla/Assertions.h"
class nsAttrName;
class nsAttrValue;
namespace mozilla {
namespace dom {
/**
* Struct that stores info on an attribute. The name and value must either both
* be null or both be non-null.
*
* Note that, just as the pointers returned by GetAttrNameAt, the pointers that
* this struct hold are only valid until the element or its attributes are
* mutated (directly or via script).
*/
struct BorrowedAttrInfo
{
BorrowedAttrInfo()
: mName(nullptr)
, mValue(nullptr)
{
}
BorrowedAttrInfo(const nsAttrName* aName, const nsAttrValue* aValue);
BorrowedAttrInfo(const BorrowedAttrInfo& aOther);
const nsAttrName* mName;
const nsAttrValue* mValue;
explicit operator bool() const { return mName != nullptr; }
};
} // namespace dom
} // namespace mozilla
#endif