1/* 2 * Copyright (C) 2007, 2013 Apple Inc. All rights reserved. 3 * 4 * Redistribution and use in source and binary forms, with or without 5 * modification, are permitted provided that the following conditions 6 * are met: 7 * 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in the 12 * documentation and/or other materials provided with the distribution. 13 * 3. Neither the name of Apple Inc. ("Apple") nor the names of 14 * its contributors may be used to endorse or promote products derived 15 * from this software without specific prior written permission. 16 * 17 * THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY 18 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED 19 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE 20 * DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY 21 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES 22 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; 23 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND 24 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 26 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 27 */ 28#ifndef SQLStatementBackend_h 29#define SQLStatementBackend_h 30 31#if ENABLE(SQL_DATABASE) 32 33#include "AbstractSQLStatementBackend.h" 34#include "SQLValue.h" 35#include <wtf/Forward.h> 36#include <wtf/Vector.h> 37#include <wtf/text/WTFString.h> 38 39namespace WebCore { 40 41class AbstractSQLStatement; 42class DatabaseBackend; 43class SQLError; 44class SQLTransactionBackend; 45 46class SQLStatementBackend : public AbstractSQLStatementBackend { 47public: 48 static PassRefPtr<SQLStatementBackend> create(std::unique_ptr<AbstractSQLStatement>, 49 const String& sqlStatement, const Vector<SQLValue>& arguments, int permissions); 50 51 bool execute(DatabaseBackend*); 52 bool lastExecutionFailedDueToQuota() const; 53 54 bool hasStatementCallback() const { return m_hasCallback; } 55 bool hasStatementErrorCallback() const { return m_hasErrorCallback; } 56 57 void setDatabaseDeletedError(); 58 void setVersionMismatchedError(); 59 60 AbstractSQLStatement* frontend(); 61 virtual PassRefPtr<SQLError> sqlError() const; 62 virtual PassRefPtr<SQLResultSet> sqlResultSet() const; 63 64private: 65 SQLStatementBackend(std::unique_ptr<AbstractSQLStatement>, const String& statement, 66 const Vector<SQLValue>& arguments, int permissions); 67 68 void setFailureDueToQuota(); 69 void clearFailureDueToQuota(); 70 71 std::unique_ptr<AbstractSQLStatement> m_frontend; 72 String m_statement; 73 Vector<SQLValue> m_arguments; 74 bool m_hasCallback; 75 bool m_hasErrorCallback; 76 77 RefPtr<SQLError> m_error; 78 RefPtr<SQLResultSet> m_resultSet; 79 80 int m_permissions; 81}; 82 83} // namespace WebCore 84 85#endif // ENABLE(SQL_DATABASE) 86 87#endif // SQLStatementBackend_h 88