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/*************************************************************************
*
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* Copyright 2000, 2010 Oracle and/or its affiliates.
*
* OpenOffice.org - a multi-platform office productivity suite
*
* This file is part of OpenOffice.org.
*
* OpenOffice.org is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License version 3
* only, as published by the Free Software Foundation.
*
* OpenOffice.org is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License version 3 for more details
* (a copy is included in the LICENSE file that accompanied this code).
*
* You should have received a copy of the GNU Lesser General Public License
* version 3 along with OpenOffice.org. If not, see
* <http://www.openoffice.org/license.html>
* for a copy of the LGPLv3 License.
*
************************************************************************/
#ifndef FORMULA_TOKEN_HXX
#define FORMULA_TOKEN_HXX
#include <memory>
#include <string.h>
#include <vector>
#include "formula/opcode.hxx"
//#include "refdata.hxx"
//#include "scmatrix.hxx"
#include "formula/intruref.hxx"
#include <tools/mempool.hxx>
#include "formula/IFunctionDescription.hxx"
#include "formula/formuladllapi.h"
namespace formula
{
enum StackVarEnum
{
svByte,
svDouble,
svString,
svSingleRef,
svDoubleRef,
svMatrix,
svIndex,
svJump,
svExternal, // Byte + String
svFAP, // FormulaAutoPilot only, ever exported
svJumpMatrix, // 2003-07-02
svRefList, // ocUnion result
svEmptyCell, // Result is an empty cell, e.g. in LOOKUP()
svMatrixCell, // Result is a matrix with bells and
// whistles as needed for _the_ matrix
// formula result.
svHybridCell, // A temporary condition of a formula
// cell during import, having a double
// and/or string result and a formula
// string to be compiled.
svExternalSingleRef,
svExternalDoubleRef,
svExternalName,
svError, // error token
svMissing = 0x70, // 0 or ""
svSep, // separator, ocSep, ocOpen, ocClose
svUnknown // unknown StackType
};
#ifndef DBG_UTIL
// save memory since compilers tend to int an enum
typedef BYTE StackVar;
#else
// have enum names in debugger
typedef StackVarEnum StackVar;
#endif
class FormulaToken;
typedef SimpleIntrusiveReference< class FormulaToken > FormulaTokenRef;
typedef SimpleIntrusiveReference< const class FormulaToken > FormulaConstTokenRef;
class FORMULA_DLLPUBLIC FormulaToken : public IFormulaToken
{
OpCode eOp;
// not implemented, prevent usage
FormulaToken();
FormulaToken& operator=( const FormulaToken& );
protected:
const StackVar eType; // type of data
mutable USHORT nRefCnt; // reference count
public:
FormulaToken( StackVar eTypeP,OpCode e = ocPush ) :
eOp(e), eType( eTypeP ), nRefCnt(0) {}
FormulaToken( const FormulaToken& r ) : IFormulaToken(),
eOp(r.eOp), eType( r.eType ), nRefCnt(0) {}
virtual ~FormulaToken();
inline void Delete() { delete this; }
inline StackVar GetType() const { return eType; }
BOOL IsFunction() const; // pure functions, no operators
BOOL IsMatrixFunction() const; // if a function _always_ returns a Matrix
BYTE GetParamCount() const;
inline void IncRef() const { nRefCnt++; }
inline void DecRef() const
{
if (!--nRefCnt)
const_cast<FormulaToken*>(this)->Delete();
}
inline USHORT GetRef() const { return nRefCnt; }
inline OpCode GetOpCode() const { return eOp; }
/**
Dummy methods to avoid switches and casts where possible,
the real token classes have to overload the appropriate method[s].
The only methods valid anytime if not overloaded are:
- GetByte() since this represents the count of parameters to a function
which of course is 0 on non-functions. FormulaByteToken and ScExternal do
overload it.
- HasForceArray() since also this is only used for operators and
functions and is 0 for other tokens.
Any other non-overloaded method pops up an assertion.
*/
virtual BYTE GetByte() const;
virtual void SetByte( BYTE n );
virtual bool HasForceArray() const;
virtual void SetForceArray( bool b );
virtual double GetDouble() const;
virtual double& GetDoubleAsReference();
virtual const String& GetString() const;
virtual USHORT GetIndex() const;
virtual void SetIndex( USHORT n );
virtual short* GetJump() const;
virtual const String& GetExternal() const;
virtual FormulaToken* GetFAPOrigToken() const;
virtual USHORT GetError() const;
virtual void SetError( USHORT );
virtual FormulaToken* Clone() const { return new FormulaToken(*this); }
virtual BOOL Is3DRef() const; // reference with 3D flag set
virtual BOOL TextEqual( const formula::FormulaToken& rToken ) const;
virtual BOOL operator==( const FormulaToken& rToken ) const;
virtual bool isFunction() const
{
return IsFunction();
}
virtual sal_uInt32 getArgumentCount() const
{
return GetParamCount();
}
/** This is dirty and only the compiler should use it! */
struct PrivateAccess { friend class FormulaCompiler; private: PrivateAccess() { } };
inline void NewOpCode( OpCode e, const PrivateAccess& ) { eOp = e; }
static size_t GetStrLenBytes( xub_StrLen nLen )
{ return nLen * sizeof(sal_Unicode); }
static size_t GetStrLenBytes( const String& rStr )
{ return GetStrLenBytes( rStr.Len() ); }
};
class FORMULA_DLLPUBLIC FormulaByteToken : public FormulaToken
{
private:
BYTE nByte;
bool bHasForceArray;
protected:
FormulaByteToken( OpCode e, BYTE n, StackVar v, bool b ) :
FormulaToken( v,e ), nByte( n ),
bHasForceArray( b ) {}
public:
FormulaByteToken( OpCode e, BYTE n, bool b ) :
FormulaToken( svByte,e ), nByte( n ),
bHasForceArray( b ) {}
FormulaByteToken( OpCode e, BYTE n ) :
FormulaToken( svByte,e ), nByte( n ),
bHasForceArray( false ) {}
FormulaByteToken( OpCode e ) :
FormulaToken( svByte,e ), nByte( 0 ),
bHasForceArray( false ) {}
FormulaByteToken( const FormulaByteToken& r ) :
FormulaToken( r ), nByte( r.nByte ),
bHasForceArray( r.bHasForceArray ) {}
virtual FormulaToken* Clone() const { return new FormulaByteToken(*this); }
virtual BYTE GetByte() const;
virtual void SetByte( BYTE n );
virtual bool HasForceArray() const;
virtual void SetForceArray( bool b );
virtual BOOL operator==( const FormulaToken& rToken ) const;
DECL_FIXEDMEMPOOL_NEWDEL_DLL( FormulaByteToken )
};
// A special token for the FormulaAutoPilot only. Keeps a reference pointer of
// the token of which it was created for comparison.
class FORMULA_DLLPUBLIC FormulaFAPToken : public FormulaByteToken
{
private:
FormulaTokenRef pOrigToken;
public:
FormulaFAPToken( OpCode e, BYTE n, FormulaToken* p ) :
FormulaByteToken( e, n, svFAP, false ),
pOrigToken( p ) {}
FormulaFAPToken( const FormulaFAPToken& r ) :
FormulaByteToken( r ), pOrigToken( r.pOrigToken ) {}
virtual FormulaToken* Clone() const { return new FormulaFAPToken(*this); }
virtual FormulaToken* GetFAPOrigToken() const;
virtual BOOL operator==( const FormulaToken& rToken ) const;
};
class FORMULA_DLLPUBLIC FormulaDoubleToken : public FormulaToken
{
private:
double fDouble;
public:
FormulaDoubleToken( double f ) :
FormulaToken( svDouble ), fDouble( f ) {}
FormulaDoubleToken( const FormulaDoubleToken& r ) :
FormulaToken( r ), fDouble( r.fDouble ) {}
virtual FormulaToken* Clone() const { return new FormulaDoubleToken(*this); }
virtual double GetDouble() const;
virtual double& GetDoubleAsReference();
virtual BOOL operator==( const FormulaToken& rToken ) const;
DECL_FIXEDMEMPOOL_NEWDEL_DLL( FormulaDoubleToken )
};
class FORMULA_DLLPUBLIC FormulaStringToken : public FormulaToken
{
private:
String aString;
public:
FormulaStringToken( const String& r ) :
FormulaToken( svString ), aString( r ) {}
FormulaStringToken( const FormulaStringToken& r ) :
FormulaToken( r ), aString( r.aString ) {}
virtual FormulaToken* Clone() const { return new FormulaStringToken(*this); }
virtual const String& GetString() const;
virtual BOOL operator==( const FormulaToken& rToken ) const;
DECL_FIXEDMEMPOOL_NEWDEL_DLL( FormulaStringToken )
};
/** Identical to FormulaStringToken, but with explicit OpCode instead of implicit
ocPush, and an optional BYTE for ocBad tokens. */
class FORMULA_DLLPUBLIC FormulaStringOpToken : public FormulaByteToken
{
private:
String aString;
public:
FormulaStringOpToken( OpCode e, const String& r ) :
FormulaByteToken( e, 0, svString, false ), aString( r ) {}
FormulaStringOpToken( const FormulaStringOpToken& r ) :
FormulaByteToken( r ), aString( r.aString ) {}
virtual FormulaToken* Clone() const { return new FormulaStringOpToken(*this); }
virtual const String& GetString() const;
virtual BOOL operator==( const FormulaToken& rToken ) const;
};
class FORMULA_DLLPUBLIC FormulaIndexToken : public FormulaToken
{
private:
USHORT nIndex;
public:
FormulaIndexToken( OpCode e, USHORT n ) :
FormulaToken( svIndex, e ), nIndex( n ) {}
FormulaIndexToken( const FormulaIndexToken& r ) :
FormulaToken( r ), nIndex( r.nIndex ) {}
virtual FormulaToken* Clone() const { return new FormulaIndexToken(*this); }
virtual USHORT GetIndex() const;
virtual void SetIndex( USHORT n );
virtual BOOL operator==( const FormulaToken& rToken ) const;
};
class FORMULA_DLLPUBLIC FormulaExternalToken : public FormulaToken
{
private:
String aExternal;
BYTE nByte;
public:
FormulaExternalToken( OpCode e, BYTE n, const String& r ) :
FormulaToken( svExternal, e ), aExternal( r ),
nByte( n ) {}
FormulaExternalToken( OpCode e, const String& r ) :
FormulaToken(svExternal, e ), aExternal( r ),
nByte( 0 ) {}
FormulaExternalToken( const FormulaExternalToken& r ) :
FormulaToken( r ), aExternal( r.aExternal ),
nByte( r.nByte ) {}
virtual FormulaToken* Clone() const { return new FormulaExternalToken(*this); }
virtual const String& GetExternal() const;
virtual BYTE GetByte() const;
virtual void SetByte( BYTE n );
virtual BOOL operator==( const FormulaToken& rToken ) const;
};
class FORMULA_DLLPUBLIC FormulaMissingToken : public FormulaToken
{
public:
FormulaMissingToken() :
FormulaToken( svMissing,ocMissing ) {}
FormulaMissingToken( const FormulaMissingToken& r ) :
FormulaToken( r ) {}
virtual FormulaToken* Clone() const { return new FormulaMissingToken(*this); }
virtual double GetDouble() const;
virtual const String& GetString() const;
virtual BOOL operator==( const FormulaToken& rToken ) const;
};
class FORMULA_DLLPUBLIC FormulaJumpToken : public FormulaToken
{
private:
short* pJump;
public:
FormulaJumpToken( OpCode e, short* p ) :
FormulaToken( formula::svJump , e)
{
pJump = new short[ p[0] + 1 ];
memcpy( pJump, p, (p[0] + 1) * sizeof(short) );
}
FormulaJumpToken( const FormulaJumpToken& r ) :
FormulaToken( r )
{
pJump = new short[ r.pJump[0] + 1 ];
memcpy( pJump, r.pJump, (r.pJump[0] + 1) * sizeof(short) );
}
virtual ~FormulaJumpToken();
virtual short* GetJump() const;
virtual BOOL operator==( const formula::FormulaToken& rToken ) const;
virtual FormulaToken* Clone() const { return new FormulaJumpToken(*this); }
};
class FORMULA_DLLPUBLIC FormulaUnknownToken : public FormulaToken
{
public:
FormulaUnknownToken( OpCode e ) :
FormulaToken( svUnknown, e ) {}
FormulaUnknownToken( const FormulaUnknownToken& r ) :
FormulaToken( r ) {}
virtual FormulaToken* Clone() const { return new FormulaUnknownToken(*this); }
virtual BOOL operator==( const FormulaToken& rToken ) const;
};
class FORMULA_DLLPUBLIC FormulaErrorToken : public FormulaToken
{
USHORT nError;
public:
FormulaErrorToken( USHORT nErr ) :
FormulaToken( svError ), nError( nErr) {}
FormulaErrorToken( const FormulaErrorToken& r ) :
FormulaToken( r ), nError( r.nError) {}
virtual FormulaToken* Clone() const { return new FormulaErrorToken(*this); }
virtual USHORT GetError() const;
virtual void SetError( USHORT nErr );
virtual BOOL operator==( const FormulaToken& rToken ) const;
};
// =============================================================================
} // formula
// =============================================================================
#endif
|
