/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*
 * This file is part of the LibreOffice project.
 *
 * This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at http://mozilla.org/MPL/2.0/.
 *
 * This file incorporates work covered by the following license notice:
 *
 *   Licensed to the Apache Software Foundation (ASF) under one or more
 *   contributor license agreements. See the NOTICE file distributed
 *   with this work for additional information regarding copyright
 *   ownership. The ASF licenses this file to you under the Apache
 *   License, Version 2.0 (the "License"); you may not use this file
 *   except in compliance with the License. You may obtain a copy of
 *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
 */
#pragma once

#include <vector>
#include <memory>
#include <cppuhelper/weak.hxx>
#include <comphelper/interfacecontainer4.hxx>
#include <com/sun/star/lang/XComponent.hpp>
#include <com/sun/star/ucb/XContentAccess.hpp>
#include <com/sun/star/sdbc/XCloseable.hpp>
#include <com/sun/star/beans/XPropertySet.hpp>
#include <com/sun/star/sdbc/XResultSet.hpp>
#include <com/sun/star/sdbc/XRow.hpp>
#include <com/sun/star/sdbc/XResultSetMetaDataSupplier.hpp>
#include <com/sun/star/ucb/XContentProvider.hpp>
#include <com/sun/star/ucb/XContentIdentifier.hpp>
#include <com/sun/star/uno/XComponentContext.hpp>
#include <com/sun/star/beans/Property.hpp>


namespace chelp {

    class ResultSetBase
        : public cppu::OWeakObject,
          public css::lang::XComponent,
          public css::sdbc::XRow,
          public css::sdbc::XResultSet,
          public css::sdbc::XCloseable,
          public css::sdbc::XResultSetMetaDataSupplier,
          public css::beans::XPropertySet,
          public css::ucb::XContentAccess
    {
    public:

        ResultSetBase( css::uno::Reference< css::uno::XComponentContext > xContext,
                       css::uno::Reference< css::ucb::XContentProvider > xProvider,
                       const css::uno::Sequence< css::beans::Property >& seq );

        virtual ~ResultSetBase() override;

        // XInterface
        virtual css::uno::Any SAL_CALL
        queryInterface( const css::uno::Type& aType ) override;

        virtual void SAL_CALL
        acquire()
            noexcept override;

        virtual void SAL_CALL
        release()
            noexcept override;

        // XComponent
        virtual void SAL_CALL
        dispose() override;

        virtual void SAL_CALL
        addEventListener( const css::uno::Reference< css::lang::XEventListener >& xListener ) override;

        virtual void SAL_CALL
        removeEventListener( const css::uno::Reference< css::lang::XEventListener >& aListener ) override;


        // XRow
        virtual sal_Bool SAL_CALL
        wasNull() override
        {
            if( 0<= m_nRow && sal::static_int_cast<sal_uInt32>( m_nRow ) < m_aItems.size() )
                m_nWasNull = m_aItems[m_nRow]->wasNull();
            else
                m_nWasNull = true;
            return m_nWasNull;
        }

        virtual OUString SAL_CALL
        getString( sal_Int32 columnIndex ) override
        {
            if( 0 <= m_nRow && sal::static_int_cast<sal_uInt32>( m_nRow ) < m_aItems.size() )
                return m_aItems[m_nRow]->getString( columnIndex );
            else
                return OUString();
        }

        virtual sal_Bool SAL_CALL
        getBoolean( sal_Int32 columnIndex ) override
        {
            if( 0 <= m_nRow && sal::static_int_cast<sal_uInt32>( m_nRow ) < m_aItems.size() )
                return m_aItems[m_nRow]->getBoolean( columnIndex );
            else
                return false;
        }

        virtual sal_Int8 SAL_CALL
        getByte( sal_Int32 columnIndex ) override
        {
            if( 0 <= m_nRow && sal::static_int_cast<sal_uInt32>( m_nRow ) < m_aItems.size() )
                return m_aItems[m_nRow]->getByte( columnIndex );
            else
                return sal_Int8( 0 );
        }

        virtual sal_Int16 SAL_CALL
        getShort( sal_Int32 columnIndex ) override
        {
            if( 0 <= m_nRow && sal::static_int_cast<sal_uInt32>( m_nRow ) < m_aItems.size() )
                return m_aItems[m_nRow]->getShort( columnIndex );
            else
                return sal_Int16( 0 );
        }

        virtual sal_Int32 SAL_CALL
        getInt( sal_Int32 columnIndex ) override
        {
            if( 0 <= m_nRow && sal::static_int_cast<sal_uInt32>( m_nRow ) < m_aItems.size() )
                return m_aItems[m_nRow]->getInt( columnIndex );
            else
                return 0;
        }

        virtual sal_Int64 SAL_CALL
        getLong( sal_Int32 columnIndex ) override
        {
            if( 0 <= m_nRow && sal::static_int_cast<sal_uInt32>( m_nRow ) < m_aItems.size() )
                return m_aItems[m_nRow]->getLong( columnIndex );
            else
                return sal_Int64( 0 );
        }

        virtual float SAL_CALL
        getFloat( sal_Int32 columnIndex ) override
        {
            if( 0 <= m_nRow && sal::static_int_cast<sal_uInt32>( m_nRow ) < m_aItems.size() )
                return m_aItems[m_nRow]->getFloat( columnIndex );
            else
                return float( 0 );
        }

        virtual double SAL_CALL
        getDouble( sal_Int32 columnIndex ) override
        {
            if( 0 <= m_nRow && sal::static_int_cast<sal_uInt32>( m_nRow ) < m_aItems.size() )
                return m_aItems[m_nRow]->getDouble( columnIndex );
            else
                return double( 0 );
        }

        virtual css::uno::Sequence< sal_Int8 > SAL_CALL
        getBytes( sal_Int32 columnIndex ) override
        {
            if( 0 <= m_nRow && sal::static_int_cast<sal_uInt32>( m_nRow ) < m_aItems.size() )
                return m_aItems[m_nRow]->getBytes( columnIndex );
            else
                return css::uno::Sequence< sal_Int8 >();
        }

        virtual css::util::Date SAL_CALL
        getDate( sal_Int32 columnIndex ) override
        {
            if( 0 <= m_nRow && sal::static_int_cast<sal_uInt32>( m_nRow ) < m_aItems.size() )
                return m_aItems[m_nRow]->getDate( columnIndex );
            else
                return css::util::Date();
        }

        virtual css::util::Time SAL_CALL
        getTime( sal_Int32 columnIndex ) override
        {
            if( 0 <= m_nRow && sal::static_int_cast<sal_uInt32>( m_nRow ) < m_aItems.size() )
                return m_aItems[m_nRow]->getTime( columnIndex );
            else
                return css::util::Time();
        }

        virtual css::util::DateTime SAL_CALL
        getTimestamp( sal_Int32 columnIndex ) override
        {
            if( 0 <= m_nRow && sal::static_int_cast<sal_uInt32>( m_nRow ) < m_aItems.size() )
                return m_aItems[m_nRow]->getTimestamp( columnIndex );
            else
                return css::util::DateTime();
        }

        virtual css::uno::Reference< css::io::XInputStream > SAL_CALL
        getBinaryStream( sal_Int32 columnIndex ) override
        {
            if( 0 <= m_nRow && sal::static_int_cast<sal_uInt32>( m_nRow ) < m_aItems.size() )
                return m_aItems[m_nRow]->getBinaryStream( columnIndex );
            else
                return css::uno::Reference< css::io::XInputStream >();
        }

        virtual css::uno::Reference< css::io::XInputStream > SAL_CALL
        getCharacterStream( sal_Int32 columnIndex ) override
        {
            if( 0 <= m_nRow && sal::static_int_cast<sal_uInt32>( m_nRow ) < m_aItems.size() )
                return m_aItems[m_nRow]->getCharacterStream( columnIndex );
            else
                return css::uno::Reference< css::io::XInputStream >();
        }

        virtual css::uno::Any SAL_CALL
        getObject( sal_Int32 columnIndex,
                   const css::uno::Reference< css::container::XNameAccess >& typeMap ) override
        {
            if( 0 <= m_nRow && sal::static_int_cast<sal_uInt32>( m_nRow ) < m_aItems.size() )
                return m_aItems[m_nRow]->getObject( columnIndex,typeMap );
            else
                return css::uno::Any();
        }

        virtual css::uno::Reference< css::sdbc::XRef > SAL_CALL
        getRef( sal_Int32 columnIndex ) override
        {
            if( 0 <= m_nRow && sal::static_int_cast<sal_uInt32>( m_nRow ) < m_aItems.size() )
                return m_aItems[m_nRow]->getRef( columnIndex );
            else
                return css::uno::Reference< css::sdbc::XRef >();
        }

        virtual css::uno::Reference< css::sdbc::XBlob > SAL_CALL
        getBlob( sal_Int32 columnIndex ) override
        {
            if( 0 <= m_nRow && sal::static_int_cast<sal_uInt32>( m_nRow ) < m_aItems.size() )
                return m_aItems[m_nRow]->getBlob( columnIndex );
            else
                return css::uno::Reference< css::sdbc::XBlob >();
        }

        virtual css::uno::Reference< css::sdbc::XClob > SAL_CALL
        getClob( sal_Int32 columnIndex ) override
        {
            if( 0 <= m_nRow && sal::static_int_cast<sal_uInt32>( m_nRow ) < m_aItems.size() )
                return m_aItems[m_nRow]->getClob( columnIndex );
            else
                return css::uno::Reference< css::sdbc::XClob >();
        }

        virtual css::uno::Reference< css::sdbc::XArray > SAL_CALL
        getArray( sal_Int32 columnIndex ) override
        {
            if( 0 <= m_nRow && sal::static_int_cast<sal_uInt32>( m_nRow ) < m_aItems.size() )
                return m_aItems[m_nRow]->getArray( columnIndex );
            else
                return css::uno::Reference< css::sdbc::XArray >();
        }


        // XResultSet

        virtual sal_Bool SAL_CALL
        next() override;

        virtual sal_Bool SAL_CALL
        isBeforeFirst() override;

        virtual sal_Bool SAL_CALL
        isAfterLast() override;

        virtual sal_Bool SAL_CALL
        isFirst() override;

        virtual sal_Bool SAL_CALL
        isLast() override;

        virtual void SAL_CALL
        beforeFirst() override;

        virtual void SAL_CALL
        afterLast() override;

        virtual sal_Bool SAL_CALL
        first() override;

        virtual sal_Bool SAL_CALL
        last() override;

        virtual sal_Int32 SAL_CALL
        getRow() override;

        virtual sal_Bool SAL_CALL
        absolute( sal_Int32 row ) override;

        virtual sal_Bool SAL_CALL
        relative( sal_Int32 rows ) override;

        virtual sal_Bool SAL_CALL
        previous() override;

        virtual void SAL_CALL
        refreshRow() override;

        virtual sal_Bool SAL_CALL
        rowUpdated() override;

        virtual sal_Bool SAL_CALL
        rowInserted() override;

        virtual sal_Bool SAL_CALL
        rowDeleted() override;


        virtual  css::uno::Reference<  css::uno::XInterface > SAL_CALL
        getStatement() override;

        // XCloseable

        virtual void SAL_CALL
        close() override;

        // XContentAccess

        virtual OUString SAL_CALL
        queryContentIdentifierString() override;

        virtual css::uno::Reference< css::ucb::XContentIdentifier > SAL_CALL
        queryContentIdentifier() override;

        virtual css::uno::Reference< css::ucb::XContent > SAL_CALL
        queryContent() override;

        // XResultSetMetaDataSupplier
        virtual css::uno::Reference< css::sdbc::XResultSetMetaData > SAL_CALL
        getMetaData() override;


        // XPropertySet
        virtual css::uno::Reference< css::beans::XPropertySetInfo > SAL_CALL
        getPropertySetInfo() override;

        virtual void SAL_CALL setPropertyValue(
            const OUString& aPropertyName,
            const css::uno::Any& aValue ) override;

        virtual css::uno::Any SAL_CALL
        getPropertyValue(
            const OUString& PropertyName ) override;

        virtual void SAL_CALL
        addPropertyChangeListener(
            const OUString& aPropertyName,
            const css::uno::Reference< css::beans::XPropertyChangeListener >& xListener ) override;

        virtual void SAL_CALL
        removePropertyChangeListener(
            const OUString& aPropertyName,
            const css::uno::Reference< css::beans::XPropertyChangeListener >& aListener ) override;

        virtual void SAL_CALL
        addVetoableChangeListener(
            const OUString& PropertyName,
            const css::uno::Reference< css::beans::XVetoableChangeListener >& aListener ) override;

        virtual void SAL_CALL removeVetoableChangeListener(
            const OUString& PropertyName,
            const css::uno::Reference< css::beans::XVetoableChangeListener >& aListener ) override;

    protected:

        css::uno::Reference< css::uno::XComponentContext >  m_xContext;
        css::uno::Reference< css::ucb::XContentProvider >  m_xProvider;
        sal_Int32                           m_nRow;
        bool                                m_nWasNull;

        typedef std::vector< css::uno::Reference< css::ucb::XContentIdentifier > > IdentSet;
        typedef std::vector< css::uno::Reference< css::sdbc::XRow > >              ItemSet;

        IdentSet                            m_aIdents;
        ItemSet                             m_aItems;
        std::vector<OUString>               m_aPath;

        css::uno::Sequence< css::beans::Property >           m_sProperty;

        std::mutex                         m_aMutex;
        comphelper::OInterfaceContainerHelper4<css::lang::XEventListener> m_aDisposeEventListeners;
        comphelper::OInterfaceContainerHelper4<css::beans::XPropertyChangeListener>   m_aRowCountListeners;
        comphelper::OInterfaceContainerHelper4<css::beans::XPropertyChangeListener>   m_aIsFinalListeners;
    };


} // end namespace fileaccess


/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
