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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 FORMULA_COMPILER_HXX_INCLUDED
#define FORMULA_COMPILER_HXX_INCLUDED
#include <formula/formuladllapi.h>
#include <rtl/ustrbuf.hxx>
#include <rtl/ustring.hxx>
#include <tools/debug.hxx>
#include <boost/shared_ptr.hpp>
#include <boost/unordered_map.hpp>
#include <com/sun/star/uno/Sequence.hxx>
#include "formula/opcode.hxx"
#include "formula/grammar.hxx"
#include "formula/token.hxx"
#include "formula/ExternalReferenceHelper.hxx"
#include <tools/string.hxx>
#define FORMULA_MAXJUMPCOUNT 32 /* maximum number of jumps (ocChose) */
#define FORMULA_MAXTOKENS 8192 /* maximum number of tokens in formula */
namespace com { namespace sun { namespace star {
namespace sheet {
struct FormulaOpCodeMapEntry;
struct FormulaToken;
}
}}}
namespace formula
{
class FormulaTokenArray;
struct FormulaArrayStack
{
FormulaArrayStack* pNext;
FormulaTokenArray* pArr;
bool bTemp;
};
typedef ::boost::unordered_map< OUString, OpCode, OUStringHash, ::std::equal_to< OUString > > OpCodeHashMap;
typedef ::boost::unordered_map< OUString, OUString, OUStringHash, ::std::equal_to< OUString > > ExternalHashMap;
class FORMULA_DLLPUBLIC FormulaCompiler
{
public:
FormulaCompiler();
FormulaCompiler(FormulaTokenArray& _rArr);
virtual ~FormulaCompiler();
// SUNWS8 needs a forward declared friend, otherwise members of the outer
// class are not accessible.
class OpCodeMap;
friend class FormulaCompiler::OpCodeMap;
/** Mappings from strings to OpCodes and vice versa. */
class FORMULA_DLLPUBLIC OpCodeMap
{
OpCodeHashMap * mpHashMap; /// Hash map of symbols, OUString -> OpCode
OUString * mpTable; /// Array of symbols, OpCode -> OUString, offset==OpCode
ExternalHashMap * mpExternalHashMap; /// Hash map of ocExternal, Filter String -> AddIn String
ExternalHashMap * mpReverseExternalHashMap; /// Hash map of ocExternal, AddIn String -> Filter String
FormulaGrammar::Grammar meGrammar; /// Grammar, language and reference convention
sal_uInt16 mnSymbols; /// Count of OpCode symbols
bool mbCore : 1; /// If mapping was setup by core, not filters
bool mbEnglish : 1; /// If English symbols and external names
OpCodeMap(); // prevent usage
OpCodeMap( const OpCodeMap& ); // prevent usage
OpCodeMap& operator=( const OpCodeMap& ); // prevent usage
public:
OpCodeMap(sal_uInt16 nSymbols, bool bCore, FormulaGrammar::Grammar eGrammar ) :
mpHashMap( new OpCodeHashMap( nSymbols)),
mpTable( new OUString[ nSymbols ]),
mpExternalHashMap( new ExternalHashMap),
mpReverseExternalHashMap( new ExternalHashMap),
meGrammar( eGrammar),
mnSymbols( nSymbols),
mbCore( bCore)
{
mbEnglish = FormulaGrammar::isEnglish( meGrammar);
}
virtual ~OpCodeMap();
/** Copy mappings from r into this map, effectively replacing this map.
@param bOverrideKnownBad
If TRUE, override known legacy bad function names with
correct ones if the conditions can be derived from the
current maps.
*/
void copyFrom( const OpCodeMap& r, bool bOverrideKnownBad );
/// Get the symbol String -> OpCode hash map for finds.
inline const OpCodeHashMap* getHashMap() const { return mpHashMap; }
/// Get the symbol String -> AddIn String hash map for finds.
inline const ExternalHashMap* getExternalHashMap() const { return mpExternalHashMap; }
/// Get the AddIn String -> symbol String hash map for finds.
inline const ExternalHashMap* getReverseExternalHashMap() const { return mpReverseExternalHashMap; }
/// Get the symbol string matching an OpCode.
inline const OUString& getSymbol( const OpCode eOp ) const
{
DBG_ASSERT( sal_uInt16(eOp) < mnSymbols, "OpCodeMap::getSymbol: OpCode out of range");
if (sal_uInt16(eOp) < mnSymbols)
return mpTable[ eOp ];
static OUString s_sEmpty;
return s_sEmpty;
}
/// Get the first character of the symbol string matching an OpCode.
inline sal_Unicode getSymbolChar( const OpCode eOp ) const { return getSymbol(eOp)[0]; };
/// Get the grammar.
inline FormulaGrammar::Grammar getGrammar() const { return meGrammar; }
/// Get the symbol count.
inline sal_uInt16 getSymbolCount() const { return mnSymbols; }
/** Are these English symbols, as opposed to native language (which may
be English as well)? */
inline bool isEnglish() const { return mbEnglish; }
/// Is it an internal core mapping, or setup by filters?
inline bool isCore() const { return mbCore; }
/// Is it an ODF 1.1 compatibility mapping?
inline bool isPODF() const { return FormulaGrammar::isPODF( meGrammar); }
/// Is it an ODFF / ODF 1.2 mapping?
inline bool isODFF() const { return FormulaGrammar::isODFF( meGrammar); }
/// Does it have external symbol/name mappings?
inline bool hasExternals() const { return !mpExternalHashMap->empty(); }
/// Put entry of symbol String and OpCode pair.
void putOpCode( const OUString & rStr, const OpCode eOp );
/// Put entry of symbol String and AddIn international String pair.
void putExternal( const OUString & rSymbol, const OUString & rAddIn );
/** Put entry of symbol String and AddIn international String pair,
failing silently if rAddIn name already exists. */
void putExternalSoftly( const OUString & rSymbol, const OUString & rAddIn );
/// Core implementation of XFormulaOpCodeMapper::getMappings()
::com::sun::star::uno::Sequence< ::com::sun::star::sheet::FormulaToken >
createSequenceOfFormulaTokens(const FormulaCompiler& _rCompiler,
const ::com::sun::star::uno::Sequence< OUString >& rNames ) const;
/// Core implementation of XFormulaOpCodeMapper::getAvailableMappings()
::com::sun::star::uno::Sequence<
::com::sun::star::sheet::FormulaOpCodeMapEntry >
createSequenceOfAvailableMappings( const FormulaCompiler& _rCompiler,const sal_Int32 nGroup ) const;
/** The value used in createSequenceOfAvailableMappings() and thus in
XFormulaOpCodeMapper::getMappings() for an unknown symbol. */
static sal_Int32 getOpCodeUnknown();
private:
/** Conditionally put a mapping in copyFrom() context.
Does NOT check eOp range!
*/
void putCopyOpCode( const OUString& rSymbol, OpCode eOp );
};
public:
typedef ::boost::shared_ptr< const OpCodeMap > OpCodeMapPtr;
typedef ::boost::shared_ptr< OpCodeMap > NonConstOpCodeMapPtr;
/** Get OpCodeMap for formula language.
@param nLanguage
One of ::com::sun::star::sheet::FormulaLanguage constants.
@return Map for nLanguage. If nLanguage is unknown, a NULL map is returned.
*/
OpCodeMapPtr GetOpCodeMap( const sal_Int32 nLanguage ) const;
/** Create an internal symbol map from API mapping.
@param bEnglish
Use English number parser / formatter instead of native.
*/
OpCodeMapPtr CreateOpCodeMap(
const ::com::sun::star::uno::Sequence<
const ::com::sun::star::sheet::FormulaOpCodeMapEntry > & rMapping,
bool bEnglish );
/** Get current OpCodeMap in effect. */
inline OpCodeMapPtr GetCurrentOpCodeMap() const { return mxSymbols; }
/** Get OpCode for English symbol.
Used in XFunctionAccess to create token array.
@param rName
Symbol to lookup. MUST be upper case.
*/
OpCode GetEnglishOpCode( const OUString& rName ) const;
sal_uInt16 GetErrorConstant( const OUString& rName ) const;
void SetCompileForFAP( bool bVal )
{ bCompileForFAP = bVal; bIgnoreErrors = bVal; }
static bool IsOpCodeVolatile( OpCode eOp );
static bool DeQuote( OUString& rStr );
static const OUString& GetNativeSymbol( OpCode eOp );
static sal_Unicode GetNativeSymbolChar( OpCode eOp );
static bool IsMatrixFunction(OpCode _eOpCode); // if a function _always_ returns a Matrix
short GetNumFormatType() const { return nNumFmt; }
bool CompileTokenArray();
void CreateStringFromTokenArray( OUString& rFormula );
void CreateStringFromTokenArray( OUStringBuffer& rBuffer );
FormulaToken* CreateStringFromToken( OUString& rFormula, FormulaToken* pToken,
bool bAllowArrAdvance = false );
FormulaToken* CreateStringFromToken( OUStringBuffer& rBuffer, FormulaToken* pToken,
bool bAllowArrAdvance = false );
void AppendBoolean( OUStringBuffer& rBuffer, bool bVal );
void AppendDouble( OUStringBuffer& rBuffer, double fVal );
void AppendString( OUStringBuffer& rBuffer, const OUString & rStr );
/** Set symbol map corresponding to one of predefined formula::FormulaGrammar::Grammar,
including an address reference convention. */
inline FormulaGrammar::Grammar GetGrammar() const { return meGrammar; }
static void UpdateSeparatorsNative( const OUString& rSep, const OUString& rArrayColSep, const OUString& rArrayRowSep );
static void ResetNativeSymbols();
static void SetNativeSymbols( const OpCodeMapPtr& xMap );
protected:
virtual OUString FindAddInFunction( const OUString& rUpperName, bool bLocalFirst ) const;
virtual void fillFromAddInCollectionUpperName( NonConstOpCodeMapPtr xMap ) const;
virtual void fillFromAddInMap( NonConstOpCodeMapPtr xMap, FormulaGrammar::Grammar _eGrammar ) const;
virtual void fillFromAddInCollectionEnglishName( NonConstOpCodeMapPtr xMap ) const;
virtual void fillAddInToken(::std::vector< ::com::sun::star::sheet::FormulaOpCodeMapEntry >& _rVec,bool _bIsEnglish) const;
virtual void SetError(sal_uInt16 nError);
virtual FormulaTokenRef ExtendRangeReference( FormulaToken & rTok1, FormulaToken & rTok2, bool bReuseDoubleRef );
virtual bool HandleExternalReference(const FormulaToken& _aToken);
virtual bool HandleRange();
virtual bool HandleSingleRef();
virtual bool HandleDbData();
virtual void CreateStringFromExternal(OUStringBuffer& rBuffer, FormulaToken* pTokenP);
virtual void CreateStringFromSingleRef(OUStringBuffer& rBuffer,FormulaToken* pTokenP);
virtual void CreateStringFromDoubleRef(OUStringBuffer& rBuffer,FormulaToken* pTokenP);
virtual void CreateStringFromMatrix(OUStringBuffer& rBuffer,FormulaToken* pTokenP);
virtual void CreateStringFromIndex(OUStringBuffer& rBuffer,FormulaToken* pTokenP);
virtual void LocalizeString(OUString& rName ); // modify rName - input: exact name
void AppendErrorConstant( OUStringBuffer& rBuffer, sal_uInt16 nError );
bool GetToken();
OpCode NextToken();
void PutCode( FormulaTokenRef& );
void Factor();
void RangeLine();
void UnionLine();
void IntersectionLine();
void UnaryLine();
void PostOpLine();
void PowLine();
void MulDivLine();
void AddSubLine();
void ConcatLine();
void CompareLine();
void NotLine();
OpCode Expression();
void PopTokenArray();
void PushTokenArray( FormulaTokenArray*, bool = false );
bool MergeRangeReference( FormulaToken * * const pCode1, FormulaToken * const * const pCode2 );
OUString aCorrectedFormula; // autocorrected Formula
OUString aCorrectedSymbol; // autocorrected Symbol
OpCodeMapPtr mxSymbols; // which symbols are used
FormulaTokenRef mpToken; // current token
FormulaTokenRef pCurrentFactorToken; // current factor token (of Factor() method)
FormulaTokenArray* pArr;
ExternalReferenceHelper* pExternalRef;
FormulaToken** pCode;
FormulaArrayStack* pStack;
OpCode eLastOp;
short nRecursion; // GetToken() recursions
short nNumFmt; // set during CompileTokenArray()
sal_uInt16 pc; // program counter
FormulaGrammar::Grammar meGrammar; // The grammar used, language plus convention.
bool bAutoCorrect; // whether to apply AutoCorrection
bool bCorrected; // AutoCorrection was applied
bool bCompileForFAP; //! not real RPN but names, for FunctionAutoPilot
// will not be resolved
bool bIgnoreErrors; // on AutoCorrect and CompileForFAP
// ignore errors and create RPN nevertheless
bool glSubTotal; // if code contains one or more subtotal functions
private:
void InitSymbolsNative() const; /// only SymbolsNative, on first document creation
void InitSymbolsEnglish() const; /// only SymbolsEnglish, maybe later
void InitSymbolsPODF() const; /// only SymbolsPODF, on demand
void InitSymbolsODFF() const; /// only SymbolsODFF, on demand
void InitSymbolsEnglishXL() const; /// only SymbolsEnglishXL, on demand
void loadSymbols(sal_uInt16 _nSymbols,FormulaGrammar::Grammar _eGrammar,NonConstOpCodeMapPtr& _xMap) const;
static inline void ForceArrayOperator( FormulaTokenRef& rCurr, const FormulaTokenRef& rPrev )
{
if ( rPrev && rPrev->HasForceArray() &&
rCurr->GetType() == svByte && rCurr->GetOpCode() != ocPush
&& !rCurr->HasForceArray() )
rCurr->SetForceArray( true);
}
// SUNWS7 needs a forward declared friend, otherwise members of the outer
// class are not accessible.
class CurrentFactor;
friend class FormulaCompiler::CurrentFactor;
class CurrentFactor
{
FormulaTokenRef pPrevFac;
FormulaCompiler* pCompiler;
// not implemented
CurrentFactor( const CurrentFactor& );
CurrentFactor& operator=( const CurrentFactor& );
public:
explicit CurrentFactor( FormulaCompiler* pComp )
: pPrevFac( pComp->pCurrentFactorToken )
, pCompiler( pComp )
{}
~CurrentFactor()
{ pCompiler->pCurrentFactorToken = pPrevFac; }
// yes, this operator= may modify the RValue
void operator=( FormulaTokenRef& r )
{
ForceArrayOperator( r, pPrevFac);
pCompiler->pCurrentFactorToken = r;
}
void operator=( FormulaToken* p )
{
FormulaTokenRef xTemp( p );
*this = xTemp;
}
operator FormulaTokenRef&()
{ return pCompiler->pCurrentFactorToken; }
FormulaToken* operator->()
{ return pCompiler->pCurrentFactorToken.operator->(); }
operator FormulaToken*()
{ return operator->(); }
};
mutable NonConstOpCodeMapPtr mxSymbolsODFF; // ODFF symbols
mutable NonConstOpCodeMapPtr mxSymbolsPODF; // ODF 1.1 symbols
mutable NonConstOpCodeMapPtr mxSymbolsNative; // native symbols
mutable NonConstOpCodeMapPtr mxSymbolsEnglish; // English symbols
mutable NonConstOpCodeMapPtr mxSymbolsEnglishXL; // English Excel symbols (for VBA formula parsing)
};
// =============================================================================
} // formula
// =============================================================================
#endif // FORMULA_COMPILER_HXX_INCLUDED
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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