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 35 #include "SQLError.h" 36 #include "SQLResultSet.h" 37 #include "SQLStatementCallback.h" 38 #include "SQLStatementErrorCallback.h" 39 #include "SQLValue.h" 40 41 #include <wtf/PassRefPtr.h> 42 #include <wtf/RefPtr.h> 43 #include <wtf/Threading.h> 44 #include <wtf/Vector.h> 45 46 namespace WebCore { 47 48 class Database; 49 class SQLTransaction; 50 class String; 51 52 class SQLStatement : public ThreadSafeShared<SQLStatement> { 53 public: 54 static PassRefPtr<SQLStatement> create(const String&, const Vector<SQLValue>&, PassRefPtr<SQLStatementCallback>, PassRefPtr<SQLStatementErrorCallback>, bool readOnly); 55 56 bool execute(Database*); 57 bool lastExecutionFailedDueToQuota() const; 58 hasStatementCallback()59 bool hasStatementCallback() const { return m_statementCallback; } hasStatementErrorCallback()60 bool hasStatementErrorCallback() const { return m_statementErrorCallback; } 61 62 void setDatabaseDeletedError(); 63 void setVersionMismatchedError(); 64 65 bool performCallback(SQLTransaction*); 66 sqlError()67 SQLError* sqlError() const { return m_error.get(); } 68 private: 69 SQLStatement(const String& statement, const Vector<SQLValue>& arguments, PassRefPtr<SQLStatementCallback> callback, PassRefPtr<SQLStatementErrorCallback> errorCallback, bool readOnly); 70 71 void setFailureDueToQuota(); 72 void clearFailureDueToQuota(); 73 74 String m_statement; 75 Vector<SQLValue> m_arguments; 76 RefPtr<SQLStatementCallback> m_statementCallback; 77 RefPtr<SQLStatementErrorCallback> m_statementErrorCallback; 78 79 RefPtr<SQLError> m_error; 80 RefPtr<SQLResultSet> m_resultSet; 81 82 bool m_readOnly; 83 }; 84 85 } // namespace WebCore 86 87 #endif // ENABLE(DATABASE) 88 89 #endif // SQLStatement_h 90