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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
/**
* Class for representing record arguments. Basically an array under the hood.
*/
#ifndef mozilla_dom_Record_h
#define mozilla_dom_Record_h
#include <utility>
#include "mozilla/Attributes.h"
#include "nsHashKeys.h"
#include "nsString.h"
#include "nsTArray.h"
#include "nsTHashtable.h"
namespace mozilla::dom {
namespace binding_detail {
template <typename KeyType, typename ValueType>
class RecordEntry {
public:
RecordEntry() = default;
// Move constructor so we can do Records of Records.
RecordEntry(RecordEntry<KeyType, ValueType>&& aOther)
: mKey(std::move(aOther.mKey)), mValue(std::move(aOther.mValue)) {}
KeyType mKey;
ValueType mValue;
};
// Specialize for a JSObject* ValueType and initialize it on construction, so we
// don't need to worry about un-initialized JSObject* floating around.
template <typename KeyType>
class RecordEntry<KeyType, JSObject*> {
public:
RecordEntry() : mValue(nullptr) {}
// Move constructor so we can do Records of Records.
RecordEntry(RecordEntry<KeyType, JSObject*>&& aOther)
: mKey(std::move(aOther.mKey)), mValue(std::move(aOther.mValue)) {}
KeyType mKey;
JSObject* 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() = default;
// Move constructor so we can do Record of Record.
Record(SelfType&& aOther) : mEntries(std::move(aOther.mEntries)) {}
const nsTArray<EntryType>& Entries() const { return mEntries; }
nsTArray<EntryType>& Entries() { return mEntries; }
private:
nsTArray<EntryType> mEntries;
};
} // namespace mozilla::dom
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