/* -*- 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/.
*/
#pragma once
#include "global.hxx"
#include <svl/sharedstring.hxx>
#include <variant>
class ScDocument;
class ScFormulaCell;
class EditTextObject;
class ScColumn;
struct ScRefCellValue;
namespace sc {
struct ColumnBlockPosition;
}
namespace svl { class SharedStringPool; }
/**
* Store arbitrary cell value of any kind . It only stores cell value and
* nothing else . It creates a copy of the original cell value , and manages
* the life cycle of the copied value .
*/
struct ScCellValue
{
private :
/// std::monostate is there to indicate CellType::NONE
std::variant<std::monostate, double , svl::SharedString, EditTextObject*, ScFormulaCell*> maData;
void reset_to_empty();
public :
SC_DLLPUBLIC ScCellValue();
ScCellValue( const ScRefCellValue& rCell );
ScCellValue( double fValue );
ScCellValue( const svl::SharedString& rString );
ScCellValue( std::unique_ptr<EditTextObject> );
ScCellValue( const ScCellValue& r );
ScCellValue(ScCellValue&& r) noexcept;
SC_DLLPUBLIC ~ScCellValue();
SC_DLLPUBLIC void clear() noexcept;
SC_DLLPUBLIC void set( double fValue );
SC_DLLPUBLIC void set( const svl::SharedString& rStr );
void set( const EditTextObject& rEditText );
SC_DLLPUBLIC void set( std::unique_ptr<EditTextObject> );
SC_DLLPUBLIC void set( ScFormulaCell* pFormula );
SC_DLLPUBLIC CellType getType() const ;
double getDouble() const { return std::get<double >(maData); }
ScFormulaCell* getFormula() const { return std::get<ScFormulaCell*>(maData); }
const svl::SharedString* getSharedString() const { return &std::get<svl::SharedString>(maData); }
EditTextObject* getEditText() const { return std::get<EditTextObject*>(maData); }
EditTextObject* releaseEditText() { auto p = getEditText(); maData = static_cast <EditTextObject*>(nullptr); return p; }
ScFormulaCell* releaseFormula() { auto p = getFormula(); maData = static_cast <ScFormulaCell*>(nullptr); return p; }
/**
* Take cell value from specified position in specified document .
*/
void assign( const ScDocument& rDoc, const ScAddress& rPos );
void assign(const ScCellValue& rOther, ScDocument& rDestDoc, ScCloneFlags nCloneFlags = ScCloneFlags::Default );
/**
* Set cell value at specified position in specified document .
*/
void commit( ScDocument& rDoc, const ScAddress& rPos ) const ;
void commit( ScColumn& rColumn, SCROW nRow ) const ;
/**
* Set cell value at specified position in specified document . But unlike
* commit ( ) , this method sets the original value to the document without
* copying . After this call , the value gets cleared .
*/
void release( ScDocument& rDoc, const ScAddress& rPos );
void release( ScColumn& rColumn, SCROW nRow, sc::StartListeningType eListenType = sc::SingleCellListening );
OUString getString( const ScDocument& rDoc ) const ;
SC_DLLPUBLIC bool isEmpty() const ;
bool equalsWithoutFormat( const ScCellValue& r ) const ;
ScCellValue& operator = ( const ScCellValue& r );
ScCellValue& operator =(ScCellValue&& r) noexcept;
ScCellValue& operator = ( const ScRefCellValue& r );
void swap( ScCellValue& r );
};
/**
* This is very similar to ScCellValue , except that it references the
* original value instead of copying it . As such , don ' t hold an instance of
* this class any longer than necessary , and absolutely not after the
* original cell has been destroyed .
*/
struct SAL_DLLPUBLIC_RTTI ScRefCellValue
{
private :
CellType meType;
union {
double mfValue;
const svl::SharedString* mpString;
const EditTextObject* mpEditText;
ScFormulaCell* mpFormula;
};
public :
SC_DLLPUBLIC ScRefCellValue();
SC_DLLPUBLIC ScRefCellValue( double fValue );
ScRefCellValue( const svl::SharedString* pString );
ScRefCellValue( const EditTextObject* pEditText );
ScRefCellValue( ScFormulaCell* pFormula );
/**
* Take cell value from specified position in specified document .
*/
SC_DLLPUBLIC ScRefCellValue( ScDocument& rDoc, const ScAddress& rPos );
SC_DLLPUBLIC ScRefCellValue( ScDocument& rDoc, const ScAddress& rPos, sc::ColumnBlockPosition& rBlockPos );
bool operator ==(const ScRefCellValue&) const ;
void clear();
CellType getType() const { return meType; }
double getDouble() const { assert(meType == CELLTYPE_VALUE); return mfValue; }
const svl::SharedString* getSharedString() const { assert(meType == CELLTYPE_STRING); return mpString; }
const EditTextObject* getEditText() const { assert(meType == CELLTYPE_EDIT); return mpEditText; }
ScFormulaCell* getFormula() const { assert(meType == CELLTYPE_FORMULA); return mpFormula; }
/**
* Take cell value from specified position in specified document .
*/
SC_DLLPUBLIC void assign( ScDocument& rDoc, const ScAddress& rPos );
void assign( ScDocument& rDoc, const ScAddress& rPos, sc::ColumnBlockPosition& rBlockPos );
/**
* Set cell value at specified position in specified document .
*/
void commit( ScDocument& rDoc, const ScAddress& rPos ) const ;
bool hasString() const ;
SC_DLLPUBLIC bool hasNumeric() const ;
bool hasError() const ;
double getValue();
/**
* Retrieve a numeric value without modifying the states of any objects in
* the referenced document store .
*/
double getRawValue() const ;
/**
* Retrieve string value .
*
* Note that this method is NOT thread - safe .
*
* @ param rDoc
* Needed to resolve EditCells ' field contents , obtain a
* ScFieldEditEngine from that document .
*/
SC_DLLPUBLIC OUString getString( const ScDocument& rDoc ) const ;
SC_DLLPUBLIC svl::SharedString getSharedString( const ScDocument& rDoc, svl::SharedStringPool& rStrPool ) const ;
/**
* Retrieve a string value without modifying the states of any objects in
* the referenced document store .
*
* This method is thread - safe .
*/
OUString getRawString( const ScDocument& rDoc ) const ;
SC_DLLPUBLIC bool isEmpty() const ;
bool hasEmptyValue();
bool equalsWithoutFormat( const ScRefCellValue& r ) const ;
};
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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