47cd34a60f
excluding the UDK headers of course Change-Id: Iac7ab83d60265f7d362c860776f1de9d5e444ec0 Reviewed-on: https://gerrit.libreoffice.org/c/core/+/93268 Tested-by: Jenkins Reviewed-by: Noel Grandin <noel.grandin@collabora.co.uk>
665 lines
22 KiB
C++
665 lines
22 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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/*
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* This file is part of the LibreOffice project.
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*
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/.
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*
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* This file incorporates work covered by the following license notice:
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*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed
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* with this work for additional information regarding copyright
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* ownership. The ASF licenses this file to you under the Apache
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* License, Version 2.0 (the "License"); you may not use this file
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* except in compliance with the License. You may obtain a copy of
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* the License at http://www.apache.org/licenses/LICENSE-2.0 .
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*/
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#ifndef INCLUDED_FORMULA_TOKENARRAY_HXX
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#define INCLUDED_FORMULA_TOKENARRAY_HXX
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#include <climits>
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#include <memory>
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#include <ostream>
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#include <type_traits>
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#include <unordered_set>
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#include <unordered_map>
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#include <vector>
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#include <formula/ExternalReferenceHelper.hxx>
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#include <formula/formuladllapi.h>
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#include <formula/opcode.hxx>
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#include <formula/token.hxx>
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#include <o3tl/typed_flags_set.hxx>
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#include <rtl/ustring.hxx>
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#include <sal/types.h>
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namespace com::sun::star {
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namespace sheet { struct FormulaToken; }
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}
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namespace com::sun::star::uno { template <typename > class Sequence; }
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namespace formula { class FormulaTokenArray; }
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namespace svl {
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class SharedString;
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class SharedStringPool;
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}
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// RecalcMode access only via TokenArray SetExclusiveRecalcMode...() /
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// IsRecalcMode...()
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// Only one of the exclusive bits can be set and one must be set,
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// handled by TokenArray SetExclusiveRecalcMode...() methods.
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// Exclusive bits are ordered by priority, AddRecalcMode() relies on that.
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enum class ScRecalcMode : sal_uInt8
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{
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ALWAYS = 0x01, // exclusive, always
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ONLOAD_MUST = 0x02, // exclusive, always after load
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ONLOAD_ONCE = 0x04, // exclusive, once after load, import filter
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ONLOAD_LENIENT = 0x08, // exclusive, lenient after load (eg. macros not always, aliens, ...)
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NORMAL = 0x10, // exclusive
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FORCED = 0x20, // combined, also if cell isn't visible, for macros with side effects
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ONREFMOVE = 0x40, // combined, if reference was moved
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EMask = ALWAYS | ONLOAD_MUST | ONLOAD_LENIENT | ONLOAD_ONCE | NORMAL // mask of exclusive bits
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};
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namespace o3tl
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{
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template<> struct typed_flags<ScRecalcMode> : is_typed_flags<ScRecalcMode, 0x7f> {};
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}
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namespace formula
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{
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class FORMULA_DLLPUBLIC MissingConvention
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{
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public:
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enum Convention
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{
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FORMULA_MISSING_CONVENTION_PODF,
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FORMULA_MISSING_CONVENTION_ODFF,
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FORMULA_MISSING_CONVENTION_OOXML
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};
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explicit MissingConvention( Convention eConvention ) : meConvention(eConvention) {}
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bool isPODF() const { return meConvention == FORMULA_MISSING_CONVENTION_PODF; }
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bool isODFF() const { return meConvention == FORMULA_MISSING_CONVENTION_ODFF; }
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bool isOOXML() const { return meConvention == FORMULA_MISSING_CONVENTION_OOXML; }
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Convention getConvention() const { return meConvention; }
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private:
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Convention meConvention;
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};
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class FORMULA_DLLPUBLIC MissingConventionODF : public MissingConvention
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{
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public:
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explicit MissingConventionODF( bool bODFF ) :
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MissingConvention( bODFF ?
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MissingConvention::FORMULA_MISSING_CONVENTION_ODFF :
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MissingConvention::FORMULA_MISSING_CONVENTION_PODF)
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{
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}
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// Implementation and usage only in token.cxx
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inline bool isRewriteNeeded( OpCode eOp ) const;
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};
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class FORMULA_DLLPUBLIC MissingConventionOOXML : public MissingConvention
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{
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public:
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explicit MissingConventionOOXML() : MissingConvention( MissingConvention::FORMULA_MISSING_CONVENTION_OOXML) {}
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// Implementation and usage only in token.cxx
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static inline bool isRewriteNeeded( OpCode eOp );
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};
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typedef std::unordered_set<OpCode, std::hash<std::underlying_type<OpCode>::type> > unordered_opcode_set;
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class FORMULA_DLLPUBLIC FormulaTokenArrayStandardRange
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{
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private:
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FormulaToken** mpBegin;
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FormulaToken** mpEnd;
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public:
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FormulaTokenArrayStandardRange(FormulaToken** pBegin, sal_uInt16 nSize) :
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mpBegin(pBegin),
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mpEnd(pBegin + nSize)
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{
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}
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FormulaToken** begin() const
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{
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return mpBegin;
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}
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FormulaToken** end() const
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{
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return mpEnd;
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}
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};
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class FORMULA_DLLPUBLIC FormulaTokenArrayReferencesIterator
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{
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private:
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FormulaToken** maIter;
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FormulaToken** maEnd;
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void nextReference()
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{
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while (maIter != maEnd)
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{
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switch ((*maIter)->GetType())
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{
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case svSingleRef:
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case svDoubleRef:
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case svExternalSingleRef:
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case svExternalDoubleRef:
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return;
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default:
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++maIter;
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}
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}
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}
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enum class Dummy { Flag };
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FormulaTokenArrayReferencesIterator(const FormulaTokenArrayStandardRange& rRange, Dummy) :
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maIter(rRange.end()),
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maEnd(rRange.end())
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{
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}
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public:
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FormulaTokenArrayReferencesIterator(const FormulaTokenArrayStandardRange& rRange) :
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maIter(rRange.begin()),
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maEnd(rRange.end())
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{
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nextReference();
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}
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FormulaTokenArrayReferencesIterator operator++(int)
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{
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FormulaTokenArrayReferencesIterator result(*this);
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operator++();
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return result;
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}
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FormulaTokenArrayReferencesIterator const & operator++()
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{
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assert(maIter != maEnd);
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++maIter;
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nextReference();
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return *this;
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}
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FormulaToken* operator*() const
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{
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return *maIter;
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}
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bool operator==(const FormulaTokenArrayReferencesIterator& rhs) const
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{
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return maIter == rhs.maIter;
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}
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bool operator!=(const FormulaTokenArrayReferencesIterator& rhs) const
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{
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return !operator==(rhs);
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}
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static FormulaTokenArrayReferencesIterator endOf(const FormulaTokenArrayStandardRange& rRange)
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{
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return FormulaTokenArrayReferencesIterator(rRange, Dummy::Flag);
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}
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};
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class FORMULA_DLLPUBLIC FormulaTokenArrayReferencesRange
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{
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private:
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const FormulaTokenArray& mrFTA;
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public:
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FormulaTokenArrayReferencesRange(const FormulaTokenArray& rFTA) :
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mrFTA(rFTA)
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{
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}
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FormulaTokenArrayReferencesIterator begin();
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FormulaTokenArrayReferencesIterator end();
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};
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class FORMULA_DLLPUBLIC FormulaTokenArray
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{
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protected:
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std::unique_ptr<FormulaToken*[]> pCode; // Token code array
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FormulaToken** pRPN; // RPN array
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sal_uInt16 nLen; // Length of token array
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sal_uInt16 nRPN; // Length of RPN array
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FormulaError nError; // Error code
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ScRecalcMode nMode; // Flags to indicate when to recalc this code
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bool bHyperLink :1; // If HYPERLINK() occurs in the formula.
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bool mbFromRangeName :1; // If this array originates from a named expression
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bool mbShareable :1; // Whether or not it can be shared with adjacent cells.
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bool mbFinalized :1; // Whether code arrays have their final used size and no more tokens can be added.
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protected:
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void Assign( const FormulaTokenArray& );
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void Assign( sal_uInt16 nCode, FormulaToken **pTokens );
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/// Also used by the compiler. The token MUST had been allocated with new!
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FormulaToken* Add( FormulaToken* );
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public:
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enum ReplaceMode
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{
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CODE_ONLY, ///< replacement only in pCode
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CODE_AND_RPN ///< replacement in pCode and pRPN
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};
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/** Also used by the compiler. The token MUST had been allocated with new!
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@param nOffset
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Absolute offset in pCode of the token to be replaced.
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@param eMode
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If CODE_ONLY only the token in pCode at nOffset is replaced.
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If CODE_AND_RPN the token in pCode at nOffset is replaced;
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if the original token was also referenced in the pRPN array
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then that reference is replaced with a reference to the new
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token as well.
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*/
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FormulaToken* ReplaceToken( sal_uInt16 nOffset, FormulaToken*, ReplaceMode eMode );
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/** Remove a sequence of tokens from pCode array, and pRPN array if the
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tokens are referenced there.
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nLen and nRPN are adapted.
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@param nOffset
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Start offset into pCode.
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@param nCount
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Count of tokens to remove.
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@return Count of tokens removed.
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*/
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sal_uInt16 RemoveToken( sal_uInt16 nOffset, sal_uInt16 nCount );
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FormulaTokenArray();
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/** Assignment with incrementing references of FormulaToken entries
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(not copied!) */
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FormulaTokenArray( const FormulaTokenArray& );
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virtual ~FormulaTokenArray();
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virtual void Clear();
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/**
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* The array has its final used size and no more token can be added.
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*/
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void Finalize();
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void SetFromRangeName( bool b ) { mbFromRangeName = b; }
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bool IsFromRangeName() const { return mbFromRangeName; }
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void SetShareable( bool b ) { mbShareable = b; }
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/**
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* Check if this token array is shareable between multiple adjacent
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* formula cells. Certain tokens may not function correctly when shared.
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*
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* @return true if the token array is shareable, false otherwise.
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*/
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bool IsShareable() const { return mbShareable; }
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void DelRPN();
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FormulaToken* FirstToken() const;
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/// Return pCode[nIdx], or nullptr if nIdx is out of bounds
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FormulaToken* TokenAt( sal_uInt16 nIdx) const
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{
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if (nIdx >= nLen)
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return nullptr;
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return pCode[nIdx];
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}
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/// Peek at nIdx-1 if not out of bounds, decrements nIdx if successful. Returns NULL if not.
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FormulaToken* PeekPrev( sal_uInt16 & nIdx ) const;
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/// Return the opcode at pCode[nIdx-1], ocNone if nIdx-1 is out of bounds
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OpCode OpCodeBefore( sal_uInt16 nIdx) const
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{
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if (nIdx == 0 || nIdx > nLen)
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return ocNone;
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return pCode[nIdx-1]->GetOpCode();
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}
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FormulaToken* FirstRPNToken() const;
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bool HasReferences() const;
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bool HasExternalRef() const;
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bool HasOpCode( OpCode ) const;
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bool HasOpCodeRPN( OpCode ) const;
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/// Token of type svIndex or opcode ocColRowName
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bool HasNameOrColRowName() const;
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/**
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* Check if the token array contains any of specified opcode tokens.
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*
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* @param rOpCodes collection of opcodes to check against.
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*
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* @return true if the token array contains at least one of the specified
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* opcode tokens, false otherwise.
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*/
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bool HasOpCodes( const unordered_opcode_set& rOpCodes ) const;
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/// Assign pRPN to point to a newly created array filled with the data from pData
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void CreateNewRPNArrayFromData( FormulaToken** pData, sal_uInt16 nSize )
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{
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pRPN = new FormulaToken*[ nSize ];
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nRPN = nSize;
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memcpy( pRPN, pData, nSize * sizeof( FormulaToken* ) );
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}
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FormulaToken** GetArray() const { return pCode.get(); }
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FormulaTokenArrayStandardRange Tokens() const
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{
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return FormulaTokenArrayStandardRange(pCode.get(), nLen);
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}
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FormulaToken** GetCode() const { return pRPN; }
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FormulaTokenArrayStandardRange RPNTokens() const
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{
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return FormulaTokenArrayStandardRange(pRPN, nRPN);
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}
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FormulaTokenArrayReferencesRange References() const
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{
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return FormulaTokenArrayReferencesRange(*this);
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}
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sal_uInt16 GetLen() const { return nLen; }
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sal_uInt16 GetCodeLen() const { return nRPN; }
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FormulaError GetCodeError() const { return nError; }
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void SetCodeError( FormulaError n ) { nError = n; }
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void SetHyperLink( bool bVal ) { bHyperLink = bVal; }
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bool IsHyperLink() const { return bHyperLink; }
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ScRecalcMode GetRecalcMode() const { return nMode; }
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void SetCombinedBitsRecalcMode( ScRecalcMode nBits )
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{ nMode |= nBits & ~ScRecalcMode::EMask; }
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ScRecalcMode GetCombinedBitsRecalcMode() const
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{ return nMode & ~ScRecalcMode::EMask; }
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/** Exclusive bits already set in nMode are zero'ed, nBits
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may contain combined bits, but only one exclusive bit
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may be set! */
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void SetMaskedRecalcMode( ScRecalcMode nBits )
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{ nMode = GetCombinedBitsRecalcMode() | nBits; }
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/** Bits aren't set directly but validated and handled
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according to priority if more than one exclusive bit
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was set. */
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void AddRecalcMode( ScRecalcMode nBits );
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void ClearRecalcMode() { nMode = ScRecalcMode::NORMAL; }
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void SetExclusiveRecalcModeNormal()
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{ SetMaskedRecalcMode( ScRecalcMode::NORMAL ); }
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void SetExclusiveRecalcModeAlways()
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{ SetMaskedRecalcMode( ScRecalcMode::ALWAYS ); }
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void SetRecalcModeForced()
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{ nMode |= ScRecalcMode::FORCED; }
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void SetRecalcModeOnRefMove()
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{ nMode |= ScRecalcMode::ONREFMOVE; }
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bool IsRecalcModeNormal() const
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{ return bool(nMode & ScRecalcMode::NORMAL); }
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bool IsRecalcModeAlways() const
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{ return bool(nMode & ScRecalcMode::ALWAYS); }
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bool IsRecalcModeForced() const
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{ return bool(nMode & ScRecalcMode::FORCED); }
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bool IsRecalcModeOnRefMove() const
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{ return bool(nMode & ScRecalcMode::ONREFMOVE); }
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/** Whether recalculation must happen after import, for
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example OOXML. */
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bool IsRecalcModeMustAfterImport() const
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{ return (nMode & ScRecalcMode::EMask) <= ScRecalcMode::ONLOAD_ONCE; }
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/** Get OpCode of the most outer function */
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inline OpCode GetOuterFuncOpCode() const;
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/** Operators +,-,*,/,^,&,=,<>,<,>,<=,>=
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with DoubleRef in Formula? */
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bool HasMatrixDoubleRefOps() const;
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virtual FormulaToken* AddOpCode(OpCode e);
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/** Adds the single token to array.
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Derived classes must override it when they want to support derived classes from FormulaToken.
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@return true when an error occurs
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*/
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virtual bool AddFormulaToken(
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const css::sheet::FormulaToken& rToken, svl::SharedStringPool& rSPool,
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ExternalReferenceHelper* pExtRef );
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/** fill the array with the tokens from the sequence.
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It calls AddFormulaToken for each token in the list.
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@param _aSequence the token to add
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@return true when an error occurs
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*/
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bool Fill(
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const css::uno::Sequence<css::sheet::FormulaToken>& rSequence,
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svl::SharedStringPool& rSPool, ExternalReferenceHelper* pExtRef );
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/**
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* Do some checking based on the individual tokens. For now, we use this
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* only to check whether we can vectorize the token array.
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*/
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virtual void CheckToken( const FormulaToken& t );
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/**
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* Call CheckToken() for all RPN tokens.
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*/
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void CheckAllRPNTokens();
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/** Clones the token and then adds the clone to the pCode array.
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For just new'ed tokens use Add() instead of cloning it again.
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Use this AddToken() when adding a token from another origin.
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*/
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FormulaToken* AddToken( const FormulaToken& );
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FormulaToken* AddString( const svl::SharedString& rStr );
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FormulaToken* AddDouble( double fVal );
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void AddExternal( const sal_Unicode* pStr );
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/** Xcl import may play dirty tricks with OpCode!=ocExternal.
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Others don't use! */
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FormulaToken* AddExternal( const OUString& rStr, OpCode eOp = ocExternal );
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FormulaToken* AddBad( const OUString& rStr ); /// ocBad with OUString
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FormulaToken* AddStringXML( const OUString& rStr ); /// ocStringXML with OUString, temporary during import
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virtual FormulaToken* MergeArray( );
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/** Assignment with incrementing references of FormulaToken entries
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(not copied!) */
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FormulaTokenArray& operator=( const FormulaTokenArray& );
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/** Determines if this formula needs any changes to convert it to something
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previous versions of OOo could consume (Plain Old Formula, pre-ODFF, or
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also ODFF) */
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bool NeedsPodfRewrite( const MissingConventionODF & rConv );
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/** Determines if this formula needs any changes to convert it to OOXML. */
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bool NeedsOoxmlRewrite();
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/** Rewrites to Plain Old Formula or OOXML, substituting missing parameters. The
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FormulaTokenArray* returned is new'ed. */
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FormulaTokenArray* RewriteMissing( const MissingConvention & rConv );
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/** Determines if this formula may be followed by a reference. */
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bool MayReferenceFollow();
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/** Re-intern SharedString in case the SharedStringPool differs. */
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void ReinternStrings( svl::SharedStringPool& rPool );
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};
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inline OpCode FormulaTokenArray::GetOuterFuncOpCode() const
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{
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if ( pRPN && nRPN )
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return pRPN[nRPN-1]->GetOpCode();
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return ocNone;
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}
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inline FormulaTokenArrayReferencesIterator FormulaTokenArrayReferencesRange::begin()
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{
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return FormulaTokenArrayReferencesIterator(mrFTA.Tokens());
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|
}
|
|
|
|
inline FormulaTokenArrayReferencesIterator FormulaTokenArrayReferencesRange::end()
|
|
{
|
|
return FormulaTokenArrayReferencesIterator::endOf(mrFTA.Tokens());
|
|
}
|
|
|
|
class FORMULA_DLLPUBLIC FormulaTokenIterator
|
|
{
|
|
struct Item
|
|
{
|
|
public:
|
|
const FormulaTokenArray* pArr;
|
|
short nPC;
|
|
short nStop;
|
|
|
|
Item(const FormulaTokenArray* arr, short pc, short stop);
|
|
};
|
|
|
|
std::vector<Item> maStack;
|
|
|
|
public:
|
|
FormulaTokenIterator( const FormulaTokenArray& );
|
|
~FormulaTokenIterator();
|
|
void Reset();
|
|
const FormulaToken* Next();
|
|
const FormulaToken* PeekNextOperator();
|
|
bool IsEndOfPath() const; /// if a jump or subroutine path is done
|
|
bool HasStacked() const { return maStack.size() > 1; }
|
|
short GetPC() const { return maStack.back().nPC; }
|
|
|
|
/** Jump or subroutine call.
|
|
Program counter values will be incremented before code is executed =>
|
|
positions are to be passed with -1 offset.
|
|
@param nStart
|
|
Start on code at position nStart+1 (yes, pass with offset -1)
|
|
@param nNext
|
|
After subroutine continue with instruction at position nNext+1
|
|
@param nStop
|
|
Stop before reaching code at position nStop. If not specified the
|
|
default is to either run the entire code, or to stop if an ocSep or
|
|
ocClose is encountered, which are only present in ocIf or ocChoose
|
|
jumps.
|
|
*/
|
|
void Jump( short nStart, short nNext, short nStop = SHRT_MAX );
|
|
void Push( const FormulaTokenArray* );
|
|
void Pop();
|
|
|
|
/** Reconstruct the iterator afresh from a token array
|
|
*/
|
|
void ReInit( const FormulaTokenArray& );
|
|
|
|
private:
|
|
const FormulaToken* GetNonEndOfPathToken( short nIdx ) const;
|
|
};
|
|
|
|
// For use in SAL_INFO, SAL_WARN etc
|
|
|
|
template<typename charT, typename traits>
|
|
inline std::basic_ostream<charT, traits> & operator <<(std::basic_ostream<charT, traits> & stream, const FormulaTokenArray& point)
|
|
{
|
|
stream <<
|
|
static_cast<const void*>(&point) <<
|
|
":{nLen=" << point.GetLen() <<
|
|
",nRPN=" << point.GetCodeLen() <<
|
|
",pCode=" << static_cast<void*>(point.GetArray()) <<
|
|
",pRPN=" << static_cast<void*>(point.GetCode()) <<
|
|
"}";
|
|
|
|
return stream;
|
|
}
|
|
|
|
class FORMULA_DLLPUBLIC FormulaTokenArrayPlainIterator
|
|
{
|
|
private:
|
|
const FormulaTokenArray* mpFTA;
|
|
sal_uInt16 mnIndex; // Current step index
|
|
|
|
public:
|
|
FormulaTokenArrayPlainIterator( const FormulaTokenArray& rFTA ) :
|
|
mpFTA( &rFTA ),
|
|
mnIndex( 0 )
|
|
{
|
|
}
|
|
|
|
void Reset()
|
|
{
|
|
mnIndex = 0;
|
|
}
|
|
|
|
sal_uInt16 GetIndex() const
|
|
{
|
|
return mnIndex;
|
|
}
|
|
|
|
FormulaToken* First()
|
|
{
|
|
mnIndex = 0;
|
|
return Next();
|
|
}
|
|
|
|
void Jump(sal_uInt16 nIndex)
|
|
{
|
|
mnIndex = nIndex;
|
|
}
|
|
|
|
void StepBack()
|
|
{
|
|
assert(mnIndex > 0);
|
|
mnIndex--;
|
|
}
|
|
|
|
FormulaToken* Next();
|
|
FormulaToken* NextNoSpaces();
|
|
FormulaToken* GetNextName();
|
|
FormulaToken* GetNextReference();
|
|
FormulaToken* GetNextReferenceRPN();
|
|
FormulaToken* GetNextReferenceOrName();
|
|
FormulaToken* GetNextColRowName();
|
|
FormulaToken* PeekNext();
|
|
FormulaToken* PeekPrevNoSpaces() const; /// Only after Reset/First/Next/Last/Prev!
|
|
FormulaToken* PeekNextNoSpaces() const; /// Only after Reset/First/Next/Last/Prev!
|
|
|
|
FormulaToken* FirstRPN()
|
|
{
|
|
mnIndex = 0;
|
|
return NextRPN();
|
|
}
|
|
|
|
FormulaToken* NextRPN();
|
|
|
|
FormulaToken* LastRPN()
|
|
{
|
|
mnIndex = mpFTA->GetCodeLen();
|
|
return PrevRPN();
|
|
}
|
|
|
|
FormulaToken* PrevRPN();
|
|
|
|
void AfterRemoveToken( sal_uInt16 nOffset, sal_uInt16 nCount );
|
|
};
|
|
|
|
|
|
} // formula
|
|
|
|
#endif // INCLUDED_FORMULA_TOKENARRAY_HXX
|
|
|
|
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
|