gecko-dev/storage/mozStorageRow.h

61 lines
1.3 KiB
C++

/* -*- 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 mozStorageRow_h
#define mozStorageRow_h
#include "mozIStorageRow.h"
#include "nsCOMArray.h"
#include "nsDataHashtable.h"
#include "mozilla/Attributes.h"
class nsIVariant;
struct sqlite3_stmt;
namespace mozilla {
namespace storage {
class Row final : public mozIStorageRow
{
public:
NS_DECL_THREADSAFE_ISUPPORTS
NS_DECL_MOZISTORAGEROW
NS_DECL_MOZISTORAGEVALUEARRAY
Row() : mNumCols(0) {}
/**
* Initializes the object with the given statement. Copies the values from
* the statement.
*
* @param aStatement
* The sqlite statement to pull results from.
*/
nsresult initialize(sqlite3_stmt *aStatement);
private:
~Row() {}
/**
* The number of columns in this tuple.
*/
uint32_t mNumCols;
/**
* Stores the data in the tuple.
*/
nsCOMArray<nsIVariant> mData;
/**
* Maps a given name to a column index.
*/
nsDataHashtable<nsCStringHashKey, uint32_t> mNameHashtable;
};
} // namespace storage
} // namespace mozilla
#endif // mozStorageRow_h