SQLStatement.h   [plain text]

/*
 * Copyright (C) 2007, 2013 Apple Inc. All rights reserved.
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 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
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 *
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 *     notice, this list of conditions and the following disclaimer.
 * 2.  Redistributions in binary form must reproduce the above copyright
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 * 3.  Neither the name of Apple Inc. ("Apple") nor the names of
 *     its contributors may be used to endorse or promote products derived
 *     from this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY
 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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#pragma once

#include "SQLCallbackWrapper.h"
#include "SQLStatementCallback.h"
#include "SQLStatementErrorCallback.h"
#include "SQLValue.h"
#include <wtf/Forward.h>
#include <wtf/Vector.h>
#include <wtf/text/WTFString.h>

namespace WebCore {

class Database;
class SQLError;
class SQLResultSet;
class SQLTransactionBackend;

class SQLStatement {
public:
    SQLStatement(Database&, const String&, Vector<SQLValue>&&, RefPtr<SQLStatementCallback>&&, RefPtr<SQLStatementErrorCallback>&&, int permissions);
    ~SQLStatement();

    bool execute(Database&);
    bool lastExecutionFailedDueToQuota() const;

    bool hasStatementCallback() const { return m_statementCallbackWrapper.hasCallback(); }
    bool hasStatementErrorCallback() const { return m_statementErrorCallbackWrapper.hasCallback(); }
    bool performCallback(SQLTransaction&);

    void setDatabaseDeletedError();
    void setVersionMismatchedError();

    SQLError* sqlError() const;
    SQLResultSet* sqlResultSet() const;

private:
    void setFailureDueToQuota();
    void clearFailureDueToQuota();

    String m_statement;
    Vector<SQLValue> m_arguments;
    SQLCallbackWrapper<SQLStatementCallback> m_statementCallbackWrapper;
    SQLCallbackWrapper<SQLStatementErrorCallback> m_statementErrorCallbackWrapper;

    RefPtr<SQLError> m_error;
    RefPtr<SQLResultSet> m_resultSet;

    int m_permissions;
};

} // namespace WebCore