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office-gobmx/sc/inc/cell.hxx
Kohei Yoshida 0b0e7ca9b3 Add ScRefCellValue, which is ScCellValue without copied value. 
It directly points to the original cell value instance.

Change-Id: I638ec8b931873d237871b6d8fa9f0e1277520d0f
2013-03-26 15:35:04 -04:00

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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 .
*/
#ifndef SC_CELL_HXX
#define SC_CELL_HXX
#include <stddef.h>
#include <set>
#include <vector>
#include <boost/shared_ptr.hpp>
#include <boost/intrusive_ptr.hpp>
#include <tools/mempool.hxx>
#include <svl/listener.hxx>
#include "global.hxx"
#include "rangenam.hxx"
#include "formula/grammar.hxx"
#include "tokenarray.hxx"
#include "formularesult.hxx"
#include <rtl/ustrbuf.hxx>
#include <unotools/fontcvt.hxx>
#include "scdllapi.h"
#define USE_MEMPOOL
// in addition to SCRIPTTYPE_... flags from scripttypeitem.hxx:
// set (in nScriptType) if type has not been determined yet
#define SC_SCRIPTTYPE_UNKNOWN 0x08
class ScDocument;
class EditTextObject;
class ScMatrix;
class SvtBroadcaster;
class ScProgress;
class ScPatternAttr;
class SC_DLLPUBLIC ScBaseCell
{
protected:
~ScBaseCell(); // not virtual - not to be called directly.
public:
explicit ScBaseCell( CellType eNewType );
/** Base copy constructor. Does NOT clone cell note or broadcaster! */
ScBaseCell( const ScBaseCell& rCell );
/** Returns a clone of this cell at the same position,
broadcaster will not be cloned. */
ScBaseCell* Clone( ScDocument& rDestDoc, int nCloneFlags = SC_CLONECELL_DEFAULT ) const;
/** Returns a clone of this cell for the passed document position,
broadcaster will not be cloned. */
ScBaseCell* Clone( ScDocument& rDestDoc, const ScAddress& rDestPos, int nCloneFlags = SC_CLONECELL_DEFAULT ) const;
/** Due to the fact that ScBaseCell does not have a vtable, this function
deletes the cell by calling the appropriate d'tor of the derived class. */
void Delete();
inline CellType GetCellType() const { return (CellType)eCellType; }
/** Returns true, if the cell is empty (neither value nor formula nor cell note).
Returns false for formula cells returning nothing, use HasEmptyData() for that. */
bool IsBlank() const;
/** Returns true, if the cell contains a broadcaster. */
inline bool HasBroadcaster() const { return mpBroadcaster != 0; }
/** Returns the pointer to the cell broadcaster. */
inline SvtBroadcaster* GetBroadcaster() const { return mpBroadcaster; }
/** Takes ownership of the passed cell broadcaster. */
void TakeBroadcaster( SvtBroadcaster* pBroadcaster );
/** Returns and forgets the own cell broadcaster. Caller takes ownership! */
SvtBroadcaster* ReleaseBroadcaster();
/** Deletes the own cell broadcaster. */
void DeleteBroadcaster();
// nOnlyNames may be one or more of SC_LISTENING_NAMES_*
void StartListeningTo( ScDocument* pDoc );
void EndListeningTo( ScDocument* pDoc,
ScTokenArray* pArr = NULL,
ScAddress aPos = ScAddress() );
/** Error code if ScFormulaCell, else 0. */
sal_uInt16 GetErrorCode() const;
/** ScFormulaCell with formula::svEmptyCell result, or ScNoteCell (may have been
created due to reference to empty cell). */
bool HasEmptyData() const;
bool HasValueData() const;
bool HasStringData() const;
rtl::OUString GetStringData() const; // only real strings
// default implementation, creates url object from passed url
static EditTextObject* CreateURLObjectFromURL( ScDocument& rDoc, const OUString& rURL, const OUString& rText );
static bool CellEqual( const ScBaseCell* pCell1, const ScBaseCell* pCell2 );
private:
ScBaseCell& operator=( const ScBaseCell& );
private:
SvtBroadcaster* mpBroadcaster; /// Broadcaster for changed values. Cell takes ownership!
protected:
sal_uInt8 eCellType; // enum CellType - sal_uInt8 spart Speicher
};
// ============================================================================
class SC_DLLPUBLIC ScNoteCell : public ScBaseCell
{
public:
#ifdef USE_MEMPOOL
DECL_FIXEDMEMPOOL_NEWDEL( ScNoteCell )
#endif
/** Cell takes ownership of the passed broadcaster. */
explicit ScNoteCell( SvtBroadcaster* pBC = 0 );
#if OSL_DEBUG_LEVEL > 0
~ScNoteCell();
#endif
private:
ScNoteCell( const ScNoteCell& );
};
class SC_DLLPUBLIC ScValueCell : public ScBaseCell
{
public:
#ifdef USE_MEMPOOL
DECL_FIXEDMEMPOOL_NEWDEL( ScValueCell )
#endif
explicit ScValueCell( double fValue );
#if OSL_DEBUG_LEVEL > 0
~ScValueCell();
#endif
inline void SetValue( double fValue ) { mfValue = fValue; }
inline double GetValue() const { return mfValue; }
private:
double mfValue;
};
class SC_DLLPUBLIC ScStringCell : public ScBaseCell
{
public:
#ifdef USE_MEMPOOL
DECL_FIXEDMEMPOOL_NEWDEL( ScStringCell )
#endif
explicit ScStringCell(const rtl::OUString& rString);
#if OSL_DEBUG_LEVEL > 0
~ScStringCell();
#endif
inline void SetString( const rtl::OUString& rString ) { maString = rString; }
inline const rtl::OUString& GetString() const { return maString; }
const OUString* GetStringPtr() const { return &maString; }
private:
rtl::OUString maString;
};
class SC_DLLPUBLIC ScEditCell : public ScBaseCell
{
EditTextObject* mpData;
mutable OUString* mpString; // for faster access to formulas
ScDocument* mpDoc; // for EditEngine access with Pool
void SetTextObject( const EditTextObject* pObject,
const SfxItemPool* pFromPool );
// not implemented
ScEditCell( const ScEditCell& );
public:
#ifdef USE_MEMPOOL
DECL_FIXEDMEMPOOL_NEWDEL( ScEditCell )
#endif
~ScEditCell(); // always because of pData!
/**
* Constructor that takes ownership of the passed EditTextObject instance
* which the caller must not delete afterward!
*
* <p>Also ensure that the passed edit text object <i>uses the SfxItemPool
* instance returned from ScDocument::GetEditPool()</i>. This is
* important.</p>
*/
ScEditCell(EditTextObject* pObject, ScDocument* pDoc);
/**
* Constructor. The caller is responsible for deleting the text object
* instance passed on to this constructor, since it creates a clone and
* stores it instead of the original.
*
* @param rObject text object to clone from.
* @param pDoc pointer to the document instance.
* @param pFromPool pointer to SfxItemPool instance that the new text
* object that is to be stored in the cell instance
* should use. If it's NULL, it uses the default pool
* for edit cells from the document instance (one
* returned from GetEditPool()).
*/
ScEditCell(const EditTextObject& rObject, ScDocument* pDoc, const SfxItemPool* pFromPool);
ScEditCell(const ScEditCell& rCell, ScDocument& rDoc, const ScAddress& rDestPos);
// for line breaks
ScEditCell(const OUString& rString, ScDocument* pDoc);
/**
* Remove the text data as well as string cache.
*/
void ClearData();
/**
* Set new text data. This method clones the passed text data and stores
* the clone; the caller is responsible for deleting the text data
* instance after the call.
*
* @param rObject text object to clone from.
* @param pFromPool pointer to SfxItemPool instance that the new text
* object that is to be stored in the cell instance
* should use. If it's NULL, it uses the default pool
* for edit cells from the document instance (one
* returned from GetEditPool()).
*/
void SetData(const EditTextObject& rObject, const SfxItemPool* pFromPool);
/**
* Set new text data. The passed text data instance will be owned by the
* cell. The caller must ensure that the text data uses the SfxItemPool
* instance returned from ScDocument::GetEditPool().
*/
void SetData(EditTextObject* pObject);
OUString GetString() const;
const EditTextObject* GetData() const;
/** Removes character attribute based on new pattern attributes. */
void RemoveCharAttribs( const ScPatternAttr& rAttr );
/** Update field items if any. */
void UpdateFields(SCTAB nTab);
};
class ScEditDataArray
{
public:
class Item
{
public:
explicit Item(SCTAB nTab, SCCOL nCol, SCROW nRow,
EditTextObject* pOldData, EditTextObject* pNewData);
~Item();
const EditTextObject* GetOldData() const;
const EditTextObject* GetNewData() const;
SCTAB GetTab() const;
SCCOL GetCol() const;
SCROW GetRow() const;
private:
Item(); // disabled
private:
::boost::shared_ptr<EditTextObject> mpOldData;
::boost::shared_ptr<EditTextObject> mpNewData;
SCTAB mnTab;
SCCOL mnCol;
SCROW mnRow;
};
ScEditDataArray();
~ScEditDataArray();
void AddItem(SCTAB nTab, SCCOL nCol, SCROW nRow,
EditTextObject* pOldData, EditTextObject* pNewData);
const Item* First();
const Item* Next();
private:
::std::vector<Item>::const_iterator maIter;
::std::vector<Item> maArray;
};
struct ScSimilarFormulaDelta;
struct SC_DLLPUBLIC ScFormulaCellGroup
{
sal_Int32 mnRefCount;
ScSimilarFormulaDelta *mpDelta; // difference between items in column
sal_Int32 mnStart; // Start offset of that cell
sal_Int32 mnLength; // How many of these do we have ?
ScFormulaCellGroup();
~ScFormulaCellGroup();
bool IsCompatible( ScSimilarFormulaDelta *pDelta );
};
inline void intrusive_ptr_add_ref(ScFormulaCellGroup *p)
{
p->mnRefCount++;
}
inline void intrusive_ptr_release(ScFormulaCellGroup *p)
{
if( --p->mnRefCount == 0 )
delete p;
}
typedef ::boost::intrusive_ptr<ScFormulaCellGroup> ScFormulaCellGroupRef;
enum ScMatrixMode {
MM_NONE = 0, // No matrix formula
MM_FORMULA = 1, // Upper left matrix formula cell
MM_REFERENCE = 2, // Remaining cells, via ocMatRef reference token
MM_FAKE = 3 // Interpret "as-if" matrix formula (legacy)
};
class SC_DLLPUBLIC ScFormulaCell : public ScBaseCell, public SvtListener
{
private:
ScFormulaResult aResult;
formula::FormulaGrammar::Grammar eTempGrammar; // used between string (creation) and (re)compilation
ScTokenArray* pCode; // The (new) token array
ScDocument* pDocument;
ScFormulaCell* pPrevious;
ScFormulaCell* pNext;
ScFormulaCell* pPreviousTrack;
ScFormulaCell* pNextTrack;
ScFormulaCellGroupRef xGroup; // re-factoring hack - group of formulae we're part of.
sal_uLong nFormatIndex; // Number format set by calculation
short nFormatType; // Number format type set by calculation
sal_uInt16 nSeenInIteration; // Iteration cycle in which the cell was last encountered
sal_uInt8 cMatrixFlag; // One of ScMatrixMode
bool bDirty : 1; // Must be (re)calculated
bool bChanged : 1; // Whether something changed regarding display/representation
bool bRunning : 1; // Already interpreting right now
bool bCompile : 1; // Must be (re)compiled
bool bSubTotal : 1; // Cell is part of or contains a SubTotal
bool bIsIterCell : 1; // Cell is part of a circular reference
bool bInChangeTrack : 1; // Cell is in ChangeTrack
bool bTableOpDirty : 1; // Dirty flag for TableOp
bool bNeedListening : 1; // Listeners need to be re-established after UpdateReference
enum ScInterpretTailParameter
{
SCITP_NORMAL,
SCITP_FROM_ITERATION,
SCITP_CLOSE_ITERATION_CIRCLE
};
void InterpretTail( ScInterpretTailParameter );
ScFormulaCell( const ScFormulaCell& );
public:
#ifdef USE_MEMPOOL
DECL_FIXEDMEMPOOL_NEWDEL( ScFormulaCell )
#endif
ScAddress aPos;
~ScFormulaCell();
using ScBaseCell::Clone;
ScFormulaCell* Clone() const;
/** Empty formula cell, or with a preconstructed token array. */
ScFormulaCell( ScDocument*, const ScAddress&, const ScTokenArray* = NULL,
const formula::FormulaGrammar::Grammar = formula::FormulaGrammar::GRAM_DEFAULT,
sal_uInt8 = MM_NONE );
/** With formula string and grammar to compile with.
formula::FormulaGrammar::GRAM_DEFAULT effectively isformula::FormulaGrammar::GRAM_NATIVE_UI that
also includes formula::FormulaGrammar::CONV_UNSPECIFIED, therefor uses the address
convention associated with rPos::nTab by default. */
ScFormulaCell( ScDocument* pDoc, const ScAddress& rPos,
const rtl::OUString& rFormula,
const formula::FormulaGrammar::Grammar = formula::FormulaGrammar::GRAM_DEFAULT,
sal_uInt8 cMatInd = MM_NONE );
ScFormulaCell( const ScFormulaCell& rCell, ScDocument& rDoc, const ScAddress& rPos, int nCloneFlags = SC_CLONECELL_DEFAULT );
size_t GetHash() const;
ScFormulaVectorState GetVectorState() const;
void GetFormula( rtl::OUString& rFormula,
const formula::FormulaGrammar::Grammar = formula::FormulaGrammar::GRAM_DEFAULT ) const;
void GetFormula( rtl::OUStringBuffer& rBuffer,
const formula::FormulaGrammar::Grammar = formula::FormulaGrammar::GRAM_DEFAULT ) const;
void SetDirty( bool bDirtyFlag=true );
void SetDirtyVar();
// If setting entire document dirty after load, no broadcasts but still append to FormulaTree.
void SetDirtyAfterLoad();
inline void ResetTableOpDirtyVar() { bTableOpDirty = false; }
void SetTableOpDirty();
bool IsDirtyOrInTableOpDirty() const;
bool GetDirty() const { return bDirty; }
void ResetDirty() { bDirty = false; }
bool NeedsListening() const { return bNeedListening; }
void SetNeedsListening( bool bVar ) { bNeedListening = bVar; }
void Compile(const rtl::OUString& rFormula,
bool bNoListening = false,
const formula::FormulaGrammar::Grammar = formula::FormulaGrammar::GRAM_DEFAULT );
void CompileTokenArray( bool bNoListening = false );
void CompileXML( ScProgress& rProgress ); // compile temporary string tokens
void CalcAfterLoad();
bool MarkUsedExternalReferences();
void Interpret();
inline bool IsIterCell() const { return bIsIterCell; }
inline sal_uInt16 GetSeenInIteration() const { return nSeenInIteration; }
bool HasOneReference( ScRange& r ) const;
/* Checks if the formula contains reference list that can be
expressed by one reference (like A1;A2;A3:A5 -> A1:A5). The
reference list is not required to be sorted (i.e. A3;A1;A2 is
still recognized as A1:A3), but no overlapping is allowed.
If one reference is recognized, the rRange is filled.
It is similar to HasOneReference(), but more general.
*/
bool HasRefListExpressibleAsOneReference(ScRange& rRange) const;
bool HasRelNameReference() const;
bool HasColRowName() const;
bool UpdateReference(UpdateRefMode eUpdateRefMode,
const ScRange& r,
SCsCOL nDx, SCsROW nDy, SCsTAB nDz,
ScDocument* pUndoDoc = NULL,
const ScAddress* pUndoCellPos = NULL );
void TransposeReference();
void UpdateTranspose( const ScRange& rSource, const ScAddress& rDest,
ScDocument* pUndoDoc );
void UpdateGrow( const ScRange& rArea, SCCOL nGrowX, SCROW nGrowY );
void UpdateInsertTab(SCTAB nTable, SCTAB nNewSheets = 1);
void UpdateInsertTabAbs(SCTAB nTable);
bool UpdateDeleteTab(SCTAB nTable, bool bIsMove = false, SCTAB nSheets = 1);
void UpdateMoveTab(SCTAB nOldPos, SCTAB nNewPos, SCTAB nTabNo);
void UpdateRenameTab(SCTAB nTable, const rtl::OUString& rName);
bool TestTabRefAbs(SCTAB nTable);
void UpdateCompile( bool bForceIfNameInUse = false );
void FindRangeNamesInUse(std::set<sal_uInt16>& rIndexes) const;
bool IsSubTotal() const { return bSubTotal; }
bool IsChanged() const;
void ResetChanged();
bool IsEmpty(); // formula::svEmptyCell result
// display as empty string if formula::svEmptyCell result
bool IsEmptyDisplayedAsString();
bool IsValue(); // also true if formula::svEmptyCell
bool IsHybridValueCell(); // for cells after import to deal with inherited number formats
double GetValue();
double GetValueAlways(); // ignore errors
rtl::OUString GetString();
const ScMatrix* GetMatrix();
bool GetMatrixOrigin( ScAddress& rPos ) const;
void GetResultDimensions( SCSIZE& rCols, SCSIZE& rRows );
sal_uInt16 GetMatrixEdge( ScAddress& rOrgPos );
sal_uInt16 GetErrCode(); // interpret first if necessary
sal_uInt16 GetRawError(); // don't interpret, just return code or result error
short GetFormatType() const { return nFormatType; }
sal_uLong GetFormatIndex() const { return nFormatIndex; }
void GetFormatInfo( short& nType, sal_uLong& nIndex ) const
{ nType = nFormatType; nIndex = nFormatIndex; }
sal_uInt8 GetMatrixFlag() const { return cMatrixFlag; }
ScTokenArray* GetCode() const { return pCode; }
bool IsRunning() const { return bRunning; }
void SetRunning( bool bVal ) { bRunning = bVal; }
void CompileDBFormula();
void CompileDBFormula( bool bCreateFormulaString );
void CompileNameFormula( bool bCreateFormulaString );
void CompileColRowNameFormula();
ScFormulaCell* GetPrevious() const { return pPrevious; }
ScFormulaCell* GetNext() const { return pNext; }
void SetPrevious( ScFormulaCell* pF ) { pPrevious = pF; }
void SetNext( ScFormulaCell* pF ) { pNext = pF; }
ScFormulaCell* GetPreviousTrack() const { return pPreviousTrack; }
ScFormulaCell* GetNextTrack() const { return pNextTrack; }
void SetPreviousTrack( ScFormulaCell* pF ) { pPreviousTrack = pF; }
void SetNextTrack( ScFormulaCell* pF ) { pNextTrack = pF; }
virtual void Notify( SvtBroadcaster& rBC, const SfxHint& rHint);
void SetCompile( bool bVal ) { bCompile = bVal; }
ScDocument* GetDocument() const { return pDocument; }
void SetMatColsRows( SCCOL nCols, SCROW nRows, bool bDirtyFlag=true );
void GetMatColsRows( SCCOL& nCols, SCROW& nRows ) const;
// cell belongs to ChangeTrack and not to the real document
void SetInChangeTrack( bool bVal ) { bInChangeTrack = bVal; }
bool IsInChangeTrack() const { return bInChangeTrack; }
// standard format for type and format
// for format "Standard" possibly the format used in the formula cell
sal_uLong GetStandardFormat( SvNumberFormatter& rFormatter, sal_uLong nFormat ) const;
// For import filters!
void AddRecalcMode( formula::ScRecalcMode );
/** For import only: set a double result. */
void SetHybridDouble( double n ) { aResult.SetHybridDouble( n); }
/** For import only: set a string result.
If for whatever reason you have to use both, SetHybridDouble() and
SetHybridString() or SetHybridFormula(), use SetHybridDouble() first
for performance reasons.*/
void SetHybridString( const rtl::OUString& r )
{ aResult.SetHybridString( r); }
/** For import only: set a temporary formula string to be compiled later.
If for whatever reason you have to use both, SetHybridDouble() and
SetHybridString() or SetHybridFormula(), use SetHybridDouble() first
for performance reasons.*/
void SetHybridFormula( const rtl::OUString& r,
const formula::FormulaGrammar::Grammar eGrammar )
{ aResult.SetHybridFormula( r); eTempGrammar = eGrammar; }
/**
* For import only: use for formula cells that return a number
* formatted as some kind of string
*/
void SetHybridValueString( double nVal, const OUString& r )
{ aResult.SetHybridValueString( nVal, r ); }
void SetResultMatrix( SCCOL nCols, SCROW nRows, const ScConstMatrixRef& pMat, formula::FormulaToken* pUL )
{
aResult.SetMatrix(nCols, nRows, pMat, pUL);
}
/** For import only: set a double result.
Use this instead of SetHybridDouble() if there is no (temporary)
formula string because the formula is present as a token array, as it
is the case for binary Excel import.
*/
void SetResultDouble( double n ) { aResult.SetDouble( n); }
void SetErrCode( sal_uInt16 n );
inline bool IsHyperLinkCell() const { return pCode && pCode->IsHyperLink(); }
EditTextObject* CreateURLObject();
void GetURLResult( rtl::OUString& rURL, rtl::OUString& rCellText );
/** Determines whether or not the result string contains more than one paragraph */
bool IsMultilineResult();
void MaybeInterpret();
// Temporary formula cell grouping API
ScFormulaCellGroupRef GetCellGroup()
{ return xGroup; }
void SetCellGroup( const ScFormulaCellGroupRef &xRef )
{ xGroup = xRef; }
ScSimilarFormulaDelta *BuildDeltaTo( ScFormulaCell *pOther );
void ReleaseDelta( ScSimilarFormulaDelta *pDelta );
bool InterpretFormulaGroup();
};
#endif
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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