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+/****************************************************************************
+**
+** Definition of the TQSqlExtension class
+**
+** Created : 2002-06-03
+**
+** Copyright (C) 2005-2008 Trolltech ASA.  All rights reserved.
+**
+** This file is part of the sql module of the TQt GUI Toolkit.
+**
+** This file may be used under the terms of the GNU General
+** Public License versions 2.0 or 3.0 as published by the Free
+** Software Foundation and appearing in the files LICENSE.GPL2
+** and LICENSE.GPL3 included in the packaging of this file.
+** Alternatively you may (at your option) use any later version
+** of the GNU General Public License if such license has been
+** publicly approved by Trolltech ASA (or its successors, if any)
+** and the KDE Free TQt Foundation.
+**
+** Please review the following information to ensure GNU General
+** Public Licensing requirements will be met:
+** http://trolltech.com/products/qt/licenses/licensing/opensource/.
+** If you are unsure which license is appropriate for your use, please
+** review the following information:
+** http://trolltech.com/products/qt/licenses/licensing/licensingoverview
+** or contact the sales department at sales@trolltech.com.
+**
+** This file may be used under the terms of the Q Public License as
+** defined by Trolltech ASA and appearing in the file LICENSE.TQPL
+** included in the packaging of this file.  Licensees holding valid TQt
+** Commercial licenses may use this file in accordance with the TQt
+** Commercial License Agreement provided with the Software.
+**
+** This file is provided "AS IS" with NO WARRANTY OF ANY KIND,
+** INCLUDING THE WARRANTIES OF DESIGN, MERCHANTABILITY AND FITNESS FOR
+** A PARTICULAR PURPOSE. Trolltech reserves all rights not granted
+** herein.
+**
+**********************************************************************/
+
+#ifndef TQSQLEXTENSION_P_H
+#define TQSQLEXTENSION_P_H
+
+//
+//  W A R N I N G
+//  -------------
+//
+// This file is not part of the TQt API.  It exists for the convenience
+// of other TQt classes.  This header file may change from version to
+// version without notice, or even be removed.
+//
+// We mean it.
+//
+//
+
+#ifndef TQT_H
+#include "tqmap.h"
+#include "tqvaluevector.h"
+#include "tqstring.h"
+#include "tqvariant.h"
+#include "tqsql.h"
+#endif // TQT_H
+
+#ifndef TQT_NO_SQL
+
+#if !defined( TQT_MODULE_SQL ) || defined( TQT_LICENSE_PROFESSIONAL )
+#define TQM_EXPORT_SQL
+#define TQM_TEMPLATE_EXTERN_SQL
+#else
+#define TQM_EXPORT_SQL TQ_EXPORT
+#define TQM_TEMPLATE_EXTERN_SQL TQ_TEMPLATE_EXTERN
+#endif
+
+struct Param {
+    Param( const TQVariant& v = TQVariant(), TQSql::ParameterType t = TQSql::In ): value( v ), typ( t ) {}
+    TQVariant value;
+    TQSql::ParameterType typ;
+    TQ_DUMMY_COMPARISON_OPERATOR(Param)
+};
+
+struct Holder {
+    Holder( const TQString& hldr = TQString::null, int pos = -1 ): holderName( hldr ), holderPos( pos ) {}
+    bool operator==( const Holder& h ) const { return h.holderPos == holderPos && h.holderName == holderName; }
+    bool operator!=( const Holder& h ) const { return h.holderPos != holderPos || h.holderName != holderName; }
+    TQString holderName;
+    int	    holderPos;
+};
+
+#define TQ_DEFINED_TQSQLEXTENSION
+#include "tqwinexport.h"
+
+class TQM_EXPORT_SQL TQSqlExtension {
+public:
+    TQSqlExtension();
+    virtual ~TQSqlExtension();
+    virtual bool prepare( const TQString& query );
+    virtual bool exec();
+    virtual void bindValue( const TQString& holder, const TQVariant& value, TQSql::ParameterType = TQSql::In );
+    virtual void bindValue( int pos, const TQVariant& value, TQSql::ParameterType = TQSql::In );
+    virtual void addBindValue( const TQVariant& value, TQSql::ParameterType = TQSql::In );
+    virtual TQVariant parameterValue( const TQString& holder );
+    virtual TQVariant parameterValue( int pos );
+    TQVariant boundValue( const TQString& holder ) const;
+    TQVariant boundValue( int pos ) const;
+    TQMap<TQString, TQVariant> boundValues() const;
+    void clear();
+    void clearValues();
+    void clearIndex();
+    void resetBindCount();
+
+    enum BindMethod { BindByPosition, BindByName };
+    BindMethod bindMethod(); // ### 4.0: make this const
+    BindMethod bindm;
+    int bindCount;
+
+    TQMap<int, TQString> index;
+    typedef TQMap<TQString, Param> ValueMap;
+    ValueMap values;
+
+    // convenience container for TQSqlQuery
+    // to map holders <-> positions
+    typedef TQValueVector<Holder> HolderVector;
+    HolderVector holders;
+};
+
+class TQM_EXPORT_SQL TQSqlDriverExtension
+{
+public:
+    TQSqlDriverExtension();
+    virtual ~TQSqlDriverExtension();
+    virtual bool isOpen() const = 0;
+};
+
+class TQM_EXPORT_SQL TQSqlOpenExtension
+{
+public:
+    TQSqlOpenExtension();
+    virtual ~TQSqlOpenExtension();
+    virtual bool open( const TQString& db,
+		       const TQString& user,
+		       const TQString& password,
+		       const TQString& host,
+		       int port,
+		       const TQString& connOpts ) = 0;
+};
+#endif
+
+#endif