1 /* 2 * Copyright (C) 2007 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 SQLStatement_h 29 #define SQLStatement_h 30 31 #if ENABLE(DATABASE) 32 33 #include "PlatformString.h" 34 #include "SQLCallbackWrapper.h" 35 #include "SQLResultSet.h" 36 #include "SQLValue.h" 37 #include <wtf/Forward.h> 38 #include <wtf/Vector.h> 39 40 namespace WebCore { 41 42 class Database; 43 class SQLError; 44 class SQLStatementCallback; 45 class SQLStatementErrorCallback; 46 class SQLTransaction; 47 48 class SQLStatement : public ThreadSafeRefCounted<SQLStatement> { 49 public: 50 static PassRefPtr<SQLStatement> create(Database*, const String&, const Vector<SQLValue>&, PassRefPtr<SQLStatementCallback>, PassRefPtr<SQLStatementErrorCallback>, int permissions); 51 52 bool execute(Database*); 53 bool lastExecutionFailedDueToQuota() const; 54 hasStatementCallback()55 bool hasStatementCallback() const { return m_statementCallbackWrapper.hasCallback(); } hasStatementErrorCallback()56 bool hasStatementErrorCallback() const { return m_statementErrorCallbackWrapper.hasCallback(); } 57 58 void setDatabaseDeletedError(); 59 void setVersionMismatchedError(); 60 61 bool performCallback(SQLTransaction*); 62 sqlError()63 SQLError* sqlError() const { return m_error.get(); } 64 private: 65 SQLStatement(Database*, const String& statement, const Vector<SQLValue>& arguments, PassRefPtr<SQLStatementCallback>, PassRefPtr<SQLStatementErrorCallback>, int permissions); 66 67 void setFailureDueToQuota(); 68 void clearFailureDueToQuota(); 69 70 String m_statement; 71 Vector<SQLValue> m_arguments; 72 SQLCallbackWrapper<SQLStatementCallback> m_statementCallbackWrapper; 73 SQLCallbackWrapper<SQLStatementErrorCallback> m_statementErrorCallbackWrapper; 74 75 RefPtr<SQLError> m_error; 76 RefPtr<SQLResultSet> m_resultSet; 77 78 int m_permissions; 79 }; 80 81 } // namespace WebCore 82 83 #endif // ENABLE(DATABASE) 84 85 #endif // SQLStatement_h 86