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 Computer, 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 #include "modules/webdatabase/sqlite/SQLValue.h" 32 #include "modules/webdatabase/AbstractSQLStatementBackend.h" 33 #include "wtf/Forward.h" 34 #include "wtf/PassOwnPtr.h" 35 #include "wtf/Vector.h" 36 #include "wtf/text/WTFString.h" 37 38 namespace WebCore { 39 40 class AbstractSQLStatement; 41 class DatabaseBackend; 42 class SQLError; 43 class SQLTransactionBackend; 44 45 class SQLStatementBackend : public AbstractSQLStatementBackend { 46 public: 47 static PassRefPtr<SQLStatementBackend> create(PassOwnPtr<AbstractSQLStatement>, 48 const String& sqlStatement, const Vector<SQLValue>& arguments, int permissions); 49 50 bool execute(DatabaseBackend*); 51 bool lastExecutionFailedDueToQuota() const; 52 hasStatementCallback()53 bool hasStatementCallback() const { return m_hasCallback; } hasStatementErrorCallback()54 bool hasStatementErrorCallback() const { return m_hasErrorCallback; } 55 56 void setVersionMismatchedError(DatabaseBackend*); 57 58 AbstractSQLStatement* frontend(); 59 virtual PassRefPtr<SQLError> sqlError() const; 60 virtual PassRefPtr<SQLResultSet> sqlResultSet() const; 61 62 private: 63 SQLStatementBackend(PassOwnPtr<AbstractSQLStatement>, const String& statement, 64 const Vector<SQLValue>& arguments, int permissions); 65 66 void setFailureDueToQuota(DatabaseBackend*); 67 void clearFailureDueToQuota(); 68 69 OwnPtr<AbstractSQLStatement> m_frontend; 70 String m_statement; 71 Vector<SQLValue> m_arguments; 72 bool m_hasCallback; 73 bool m_hasErrorCallback; 74 75 RefPtr<SQLError> m_error; 76 RefPtr<SQLResultSet> m_resultSet; 77 78 int m_permissions; 79 }; 80 81 } // namespace WebCore 82 83 #endif // SQLStatementBackend_h 84