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/* -*- 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 <sal/config.h>
#include <memory>
#include <address.hxx>
#include <types.hxx>
class ScDocument;
struct ScDBQueryParamBase;
struct ScQueryParamBase;
enum class FormulaError : sal_uInt16;
/**
* Base class for abstracting range data backends for database functions.
*/
class ScDBRangeBase
{
public:
ScDBRangeBase() = delete;
virtual ~ScDBRangeBase() = 0;
bool fillQueryEntries(ScQueryParamBase* pParam, const ScDBRangeBase* pDBRef) const;
virtual SCCOL getColSize() const = 0;
virtual SCROW getRowSize() const = 0;
virtual SCSIZE getVisibleDataCellCount() const = 0;
/**
* Get a string value of a specified cell position. Note that the
* position of the upper left cell of the range is always (0, 0) even if
* the reference type is of internal range.
*
* @param nCol column position (0 to column size-1)
* @param nRow row position (0 to row size-1)
*/
virtual OUString getString(SCCOL nCol, SCROW nRow) const = 0;
virtual SCCOL getFirstFieldColumn() const = 0;
/**
* Get a <i>0-based</i> column index that corresponds with the passed field
* index. Note that the field index passed as the 1st parameter is
* <i>1-based.</i>
*
* @param nIndex 1-based field index.
*
* @return 0-based column index
*/
virtual SCCOL findFieldColumn(SCCOL nIndex) const = 0;
virtual SCCOL findFieldColumn(const OUString& rStr, FormulaError* pErr = nullptr) const = 0;
virtual std::unique_ptr<ScDBQueryParamBase>
createQueryParam(const ScDBRangeBase* pQueryRef) const = 0;
virtual bool isRangeEqual(const ScRange& rRange) const = 0;
protected:
ScDBRangeBase(ScDocument* pDoc);
ScDocument* getDoc() const { return mpDoc; }
/**
* Populate query options that are always the same for all database
* queries.
*/
static void fillQueryOptions(ScQueryParamBase* pParam);
private:
ScDocument* mpDoc;
};
class ScDBInternalRange final : public ScDBRangeBase
{
public:
explicit ScDBInternalRange(ScDocument* pDoc, const ScRange& rRange);
virtual ~ScDBInternalRange() override;
const ScRange& getRange() const { return maRange; }
virtual SCCOL getColSize() const override;
virtual SCROW getRowSize() const override;
virtual SCSIZE getVisibleDataCellCount() const override;
/**
* Get a string value of a specified cell position. Note that the
* position of the upper left cell of the range is always (0, 0) even if
* the reference type is of internal range.
*
* @param nCol column position (0 to column size-1)
* @param nRow row position (0 to row size-1)
*/
virtual OUString getString(SCCOL nCol, SCROW nRow) const override;
virtual SCCOL getFirstFieldColumn() const override;
/**
* Get a <i>0-based</i> column index that corresponds with the passed field
* index. Note that the field index passed as the 1st parameter is
* <i>1-based.</i>
*
* @param nIndex 1-based field index.
*
* @return 0-based column index
*/
virtual SCCOL findFieldColumn(SCCOL nIndex) const override;
virtual SCCOL findFieldColumn(const OUString& rStr,
FormulaError* pErr = nullptr) const override;
virtual std::unique_ptr<ScDBQueryParamBase>
createQueryParam(const ScDBRangeBase* pQueryRef) const override;
virtual bool isRangeEqual(const ScRange& rRange) const override;
private:
ScRange maRange;
};
class ScDBExternalRange final : public ScDBRangeBase
{
public:
explicit ScDBExternalRange(ScDocument* pDoc, const ScMatrixRef& pMat);
virtual ~ScDBExternalRange() override;
virtual SCCOL getColSize() const override;
virtual SCROW getRowSize() const override;
virtual SCSIZE getVisibleDataCellCount() const override;
/**
* Get a string value of a specified cell position. Note that the
* position of the upper left cell of the range is always (0, 0) even if
* the reference type is of internal range.
*
* @param nCol column position (0 to column size-1)
* @param nRow row position (0 to row size-1)
*/
virtual OUString getString(SCCOL nCol, SCROW nRow) const override;
virtual SCCOL getFirstFieldColumn() const override;
/**
* Get a <i>0-based</i> column index that corresponds with the passed field
* index. Note that the field index passed as the 1st parameter is
* <i>1-based.</i>
*
* @param nIndex 1-based field index.
*
* @return 0-based column index
*/
virtual SCCOL findFieldColumn(SCCOL nIndex) const override;
virtual SCCOL findFieldColumn(const OUString& rStr,
FormulaError* pErr = nullptr) const override;
virtual std::unique_ptr<ScDBQueryParamBase>
createQueryParam(const ScDBRangeBase* pQueryRef) const override;
virtual bool isRangeEqual(const ScRange& rRange) const override;
private:
const ScMatrixRef mpMatrix;
SCCOL mnCols;
SCROW mnRows;
};
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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