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/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-
* vim: sw=2 ts=2 et lcs=trail\:.,tab\:>~ :
* 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 MOZSTORAGESTATEMENTJSHELPER_H
#define MOZSTORAGESTATEMENTJSHELPER_H
#include "nsIXPCScriptable.h"
class Statement;
namespace mozilla {
namespace storage {
class StatementParams;
class StatementRow;
class StatementJSHelper : public nsIXPCScriptable {
public:
NS_DECL_ISUPPORTS
NS_DECL_NSIXPCSCRIPTABLE
private:
nsresult getRow(Statement*, JSContext*, JSObject*, JS::Value*);
nsresult getParams(Statement*, JSContext*, JSObject*, JS::Value*);
};
/**
* Wrappers used to clean up the references JS helpers hold to the statement.
* For cycle-avoidance reasons they do not hold reference-counted references,
* so it is important we do this.
*/
class StatementParamsHolder final : public nsISupports {
public:
NS_DECL_ISUPPORTS
explicit StatementParamsHolder(StatementParams* aParams) : mParams(aParams) {}
StatementParams* Get() const {
MOZ_ASSERT(mParams);
return mParams;
}
private:
virtual ~StatementParamsHolder();
RefPtr<StatementParams> mParams;
};
class StatementRowHolder final : public nsISupports {
public:
NS_DECL_ISUPPORTS
explicit StatementRowHolder(StatementRow* aRow) : mRow(aRow) {}
StatementRow* Get() const {
MOZ_ASSERT(mRow);
return mRow;
}
private:
virtual ~StatementRowHolder();
RefPtr<StatementRow> mRow;
};
} // namespace storage
} // namespace mozilla
#endif // MOZSTORAGESTATEMENTJSHELPER_H
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