text: /*
   * Copyright (C) 2007, 2013 Apple Inc. All rights reserved.
   *
   * Redistribution and use in source and binary forms, with or without
   * modification, are permitted provided that the following conditions
   * are met:
   *
   * 1.  Redistributions of source code must retain the above copyright
   *     notice, this list of conditions and the following disclaimer.
   * 2.  Redistributions in binary form must reproduce the above copyright
   *     notice, this list of conditions and the following disclaimer in the
   *     documentation and/or other materials provided with the distribution.
   * 3.  Neither the name of Apple Computer, 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
   * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
   * DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY
   * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
   * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
   * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
   * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
   * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
   * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
   */
  #ifndef SQLStatementBackend_h
  #define SQLStatementBackend_h
  
  #include "modules/webdatabase/sqlite/SQLValue.h"
  #include "modules/webdatabase/AbstractSQLStatementBackend.h"
  #include "wtf/Forward.h"
  #include "wtf/PassOwnPtr.h"
  #include "wtf/Vector.h"
  #include "wtf/text/WTFString.h"
  
  namespace WebCore {
  
  class AbstractSQLStatement;
  class DatabaseBackend;
  class SQLErrorData;
  class SQLTransactionBackend;
  
  class SQLStatementBackend FINAL : public AbstractSQLStatementBackend {
  public:
      static PassRefPtrWillBeRawPtr<SQLStatementBackend> create(PassOwnPtrWillBeRawPtr<AbstractSQLStatement>,
          const String& sqlStatement, const Vector<SQLValue>& arguments, int permissions);
      virtual void trace(Visitor*) OVERRIDE;
  
      bool execute(DatabaseBackend*);
      bool lastExecutionFailedDueToQuota() const;
  
      bool hasStatementCallback() const { return m_hasCallback; }
      bool hasStatementErrorCallback() const { return m_hasErrorCallback; }
  
      void setVersionMismatchedError(DatabaseBackend*);
  
      AbstractSQLStatement* frontend();
      virtual SQLErrorData* sqlError() const OVERRIDE;
      virtual SQLResultSet* sqlResultSet() const OVERRIDE;
  
  private:
      SQLStatementBackend(PassOwnPtrWillBeRawPtr<AbstractSQLStatement>, const String& statement,
          const Vector<SQLValue>& arguments, int permissions);
  
      void setFailureDueToQuota(DatabaseBackend*);
      void clearFailureDueToQuota();
  
      OwnPtrWillBeMember<AbstractSQLStatement> m_frontend;
      String m_statement;
      Vector<SQLValue> m_arguments;
      bool m_hasCallback;
      bool m_hasErrorCallback;
  
      OwnPtr<SQLErrorData> m_error;
      RefPtrWillBeMember<SQLResultSet> m_resultSet;
  
      int m_permissions;
  };
  
  } // namespace WebCore
  
  #endif // SQLStatementBackend_h
  