/* -*- 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 INCLUDED_SC_INC_FORMULARESULT_HXX #define INCLUDED_SC_INC_FORMULARESULT_HXX #include "scdllapi.h" #include "global.hxx" #include "calcmacros.hxx" #include #include #include class ScMatrixFormulaCellToken; namespace sc { struct FormulaResultValue { enum Type { Invalid, Value, String, Error }; Type const meType; double mfValue; svl::SharedString maString; FormulaError mnError; FormulaResultValue(); FormulaResultValue( double fValue ); FormulaResultValue( const svl::SharedString& rStr ); FormulaResultValue( FormulaError nErr ); }; } /** Store a variable formula cell result, balancing between runtime performance and memory consumption. */ class ScFormulaResult { typedef unsigned char Multiline; static const Multiline MULTILINE_UNKNOWN = 0; static const Multiline MULTILINE_FALSE = 1; static const Multiline MULTILINE_TRUE = 2; // Clone token if the 16-bit only reference counter is nearing it's // capacity during fill or copy&paste, leaving 4k for temporary passing // around. (That should be enough for all times (TM) ;-) static const sal_uInt16 MAX_TOKENREF_COUNT = 0xf000; static void IncrementTokenRef( const formula::FormulaToken* & rp ) { if (rp) { if (rp->GetRef() >= MAX_TOKENREF_COUNT) rp = rp->Clone(); rp->IncRef(); } } union { double mfValue; // double result direct for performance and memory consumption const formula::FormulaToken* mpToken; // if not, result token obtained from interpreter }; bool mbToken :1; // whether content of union is a token bool mbEmpty :1; // empty cell result bool mbEmptyDisplayedAsString :1; // only if mbEmpty // If set it implies that the result is a simple double (in mfValue) and no error bool mbValueCached :1; Multiline meMultiline :2; // result is multiline FormulaError mnError; // error code /** Reset mnError, mbEmpty and mbEmptyDisplayedAsString to their defaults prior to assigning other types */ void ResetToDefaults(); /** If token is of formula::svError set error code and decrement RefCount. If token is of formula::svEmptyCell set mbEmpty and mbEmptyAsString and decrement RefCount. If token is of formula::svDouble set mfValue and decrement RefCount. Else assign token to mpToken. NULL is valid => svUnknown. Other member variables are set accordingly. @precondition: Token MUST had been IncRef'ed prior to this call! @precondition: An already existing different mpToken MUST had been DecRef'ed prior to this call, p will be assigned to mpToken if not resolved. ATTENTION! Token may get deleted in this call! */ void ResolveToken( const formula::FormulaToken * p ); public: /** Effectively type svUnknown. */ ScFormulaResult(); ScFormulaResult( const ScFormulaResult & r ); /** Same comments as for SetToken() apply! */ explicit ScFormulaResult( const formula::FormulaToken* p ); ~ScFormulaResult(); /** Well, guess what ... */ ScFormulaResult& operator=( const ScFormulaResult & r ); /** Assignment as in operator=() but without return */ void Assign( const ScFormulaResult & r ); /** Sets a direct double if token type is formula::svDouble, or mbEmpty if formula::svEmptyCell, else token. If p is NULL, that is set as well, effectively resulting in GetType()==svUnknown. If the already existing result is ScMatrixFormulaCellToken, the upper left is set to token. ATTENTION! formula::FormulaToken had to be allocated using 'new' and if of type formula::svDouble and no RefCount was set may not be used after this call because it was deleted after decrement! */ void SetToken( const formula::FormulaToken* p ); /** May be NULL if SetToken() did so, also if type formula::svDouble or formula::svError! */ formula::FormulaConstTokenRef GetToken() const; /** Return upper left token if formula::svMatrixCell, else return GetToken(). May be NULL if SetToken() did so, also if type formula::svDouble or formula::svError! */ formula::FormulaConstTokenRef GetCellResultToken() const; /** Return type of result, including formula::svError, formula::svEmptyCell, formula::svDouble and formula::svMatrixCell. */ formula::StackVar GetType() const; /** If type is formula::svMatrixCell return the type of upper left element, else GetType() */ formula::StackVar GetCellResultType() const; /** If type is formula::svEmptyCell (including matrix upper left) and should be displayed as empty string */ bool IsEmptyDisplayedAsString() const; /** Test for cell result type formula::svDouble, including upper left if formula::svMatrixCell. Also included is formula::svError for legacy, because previously an error result was treated like a numeric value at some places in ScFormulaCell. Also included is formula::svEmptyCell as a reference to an empty cell usually is treated as numeric 0. Use GetCellResultType() for details instead. */ bool IsValue() const; bool IsValueNoError() const; /** Determines whether or not the result is a string containing more than one paragraph */ bool IsMultiline() const; bool GetErrorOrDouble( FormulaError& rErr, double& rVal ) const; sc::FormulaResultValue GetResult() const; /** Get error code if set or GetCellResultType() is formula::svError or svUnknown, else 0. */ FormulaError GetResultError() const; /** Set error code, don't touch token or double. */ void SetResultError( FormulaError nErr ); /** Set direct double. Shouldn't be used externally except in ScFormulaCell for rounded CalcAsShown or SetErrCode() or SetResultDouble(), see there for condition. If ScMatrixFormulaCellToken the token isn't replaced but upper left result is modified instead, but only if it was of type formula::svDouble before or not set at all. */ SC_DLLPUBLIC void SetDouble( double f ); /** Return value if type formula::svDouble or formula::svHybridCell or formula::svMatrixCell and upper left formula::svDouble, else 0.0 */ double GetDouble() const; /** Return string if type formula::svString or formula::svHybridCell or formula::svMatrixCell and upper left formula::svString, else empty string. */ svl::SharedString GetString() const; /** Return matrix if type formula::svMatrixCell and ScMatrix present, else NULL. */ ScConstMatrixRef GetMatrix() const; /** Return formula string if type formula::svHybridCell, else empty string. */ const OUString& GetHybridFormula() const; /** Should only be used by import filters, best in the order SetHybridDouble(), SetHybridString(), or only SetHybridFormula() for formula string to be compiled later. */ SC_DLLPUBLIC void SetHybridDouble( double f ); /** Should only be used by import filters, best in the order SetHybridDouble(), SetHybridString()/SetHybridFormula(), or only SetHybridFormula() for formula string to be compiled later. */ SC_DLLPUBLIC void SetHybridString( const svl::SharedString & rStr ); /** Should only be used by import filters, best in the order SetHybridDouble(), SetHybridFormula(), SetHybridEmptyDisplayedAsString() must be last. */ SC_DLLPUBLIC void SetHybridEmptyDisplayedAsString(); /** Should only be used by import filters, best in the order SetHybridDouble(), SetHybridString()/SetHybridFormula(), or only SetHybridFormula() for formula string to be compiled later. */ SC_DLLPUBLIC void SetHybridFormula( const OUString & rFormula ); SC_DLLPUBLIC void SetMatrix( SCCOL nCols, SCROW nRows, const ScConstMatrixRef& pMat, const formula::FormulaToken* pUL ); /** Get the const ScMatrixFormulaCellToken* if token is of that type, else NULL. */ const ScMatrixFormulaCellToken* GetMatrixFormulaCellToken() const; /** Get the ScMatrixFormulaCellToken* if token is of that type, else NULL. Shouldn't be used externally except by ScFormulaCell::SetMatColsRows(). */ ScMatrixFormulaCellToken* GetMatrixFormulaCellTokenNonConst(); }; #endif // INCLUDED_SC_INC_FORMULARESULT_HXX /* vim:set shiftwidth=4 softtabstop=4 expandtab: */ alue='feature/BorderlineFix'>feature/BorderlineFix LibreOffice 核心代码仓库文档基金会
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path: root/vcl/ios/dummies.cxx
AgeCommit message (Expand)Author
2022-01-14VCL drop m_pInstance from *nix SalDataJan-Marek Glogowski
2021-09-27Need a dummy AquaGraphicsBackend::drawNativeControl() on iOSTor Lillqvist
2021-07-02vcl: drop GenericUnixSalDataTypeJan-Marek Glogowski