46 lines
1.1 KiB
C++
46 lines
1.1 KiB
C++
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#ifndef BorrowedAttrInfo_h__
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#define BorrowedAttrInfo_h__
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#include "mozilla/Assertions.h"
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class nsAttrName;
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class nsAttrValue;
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namespace mozilla {
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namespace dom {
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/**
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* Struct that stores info on an attribute. The name and value must either both
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* be null or both be non-null.
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*
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* Note that, just as the pointers returned by GetAttrNameAt, the pointers that
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* this struct hold are only valid until the element or its attributes are
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* mutated (directly or via script).
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*/
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struct BorrowedAttrInfo
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{
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BorrowedAttrInfo()
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: mName(nullptr)
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, mValue(nullptr)
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{
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}
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BorrowedAttrInfo(const nsAttrName* aName, const nsAttrValue* aValue);
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BorrowedAttrInfo(const BorrowedAttrInfo& aOther);
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const nsAttrName* mName;
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const nsAttrValue* mValue;
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explicit operator bool() const { return mName != nullptr; }
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};
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} // namespace dom
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} // namespace mozilla
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#endif
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