gecko-dev/dom/bindings/Record.h

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/* -*- 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/. */
/**
* Class for representing record arguments. Basically an array under the hood.
*/
#ifndef mozilla_dom_Record_h
#define mozilla_dom_Record_h
#include "nsTHashtable.h"
#include "nsHashKeys.h"
#include "nsStringGlue.h"
#include "nsTArray.h"
#include "mozilla/Attributes.h"
#include "mozilla/Move.h"
namespace mozilla {
namespace dom {
namespace binding_detail {
template<typename KeyType, typename ValueType>
class RecordEntry
{
public:
RecordEntry()
{
}
// Move constructor so we can do Records of Records.
RecordEntry(RecordEntry<KeyType, ValueType>&& aOther)
: mKey(Move(aOther.mKey)),
mValue(Move(aOther.mValue))
{
}
KeyType mKey;
ValueType mValue;
};
} // namespace binding_detail
template<typename KeyType, typename ValueType>
class Record
{
public:
typedef typename binding_detail::RecordEntry<KeyType, ValueType> EntryType;
typedef Record<KeyType, ValueType> SelfType;
Record()
{
}
// Move constructor so we can do Record of Record.
Record(SelfType&& aOther) :
mEntries(Move(aOther.mEntries))
{
}
const nsTArray<EntryType>& Entries() const
{
return mEntries;
}
nsTArray<EntryType>& Entries()
{
return mEntries;
}
private:
nsTArray<EntryType> mEntries;
};
} // namespace dom
} // namespace mozilla
template<typename K, typename V>
class nsDefaultComparator<mozilla::dom::binding_detail::RecordEntry<K, V>, K>
{
public:
bool Equals(const mozilla::dom::binding_detail::RecordEntry<K, V>& aEntry,
const K& aKey) const
{
return aEntry.mKey == aKey;
}
};
#endif // mozilla_dom_Record_h