gecko-dev/toolkit/components/xulstore/XULStore.h

57 строки
2.0 KiB
C++

/* 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 https://mozilla.org/MPL/2.0/. */
/*
* This file declares the XULStore API for C++ via the mozilla::XULStore
* namespace and the mozilla::XULStoreIterator class. It also declares
* the mozilla::XULStore::GetService() function that the component manager
* uses to instantiate and retrieve the nsIXULStore singleton.
*/
#ifndef mozilla_XULStore_h
#define mozilla_XULStore_h
#include "nsIXULStore.h"
namespace mozilla {
class XULStoreIterator final {
public:
bool HasMore() const;
nsresult GetNext(nsAString* item);
private:
XULStoreIterator() = delete;
XULStoreIterator(const XULStoreIterator&) = delete;
XULStoreIterator& operator=(const XULStoreIterator&) = delete;
~XULStoreIterator() = delete;
};
template <>
class DefaultDelete<XULStoreIterator> {
public:
void operator()(XULStoreIterator* ptr) const;
};
namespace XULStore {
// Instantiates and retrieves the nsIXULStore singleton that JS uses to access
// the store. C++ code should use the mozilla::XULStore::* functions instead.
already_AddRefed<nsIXULStore> GetService();
nsresult SetValue(const nsAString& doc, const nsAString& id,
const nsAString& attr, const nsAString& value);
nsresult HasValue(const nsAString& doc, const nsAString& id,
const nsAString& attr, bool& has_value);
nsresult GetValue(const nsAString& doc, const nsAString& id,
const nsAString& attr, nsAString& value);
nsresult RemoveValue(const nsAString& doc, const nsAString& id,
const nsAString& attr);
nsresult GetIDs(const nsAString& doc, UniquePtr<XULStoreIterator>& iter);
nsresult GetAttrs(const nsAString& doc, const nsAString& id,
UniquePtr<XULStoreIterator>& iter);
nsresult Shutdown();
}; // namespace XULStore
}; // namespace mozilla
#endif // mozilla_XULStore_h