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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 INCLUDED_FORMULA_TOKEN_HXX
#define INCLUDED_FORMULA_TOKEN_HXX
#include <string.h>
#include <formula/opcode.hxx>
#include <tools/mempool.hxx>
#include <formula/IFunctionDescription.hxx>
#include <formula/formuladllapi.h>
#include <formula/types.hxx>
#include <svl/sharedstring.hxx>
#include <osl/interlck.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.
svHybridValueCell, // A temporary formula cell with an value
// and possibily a string representation
svExternalSingleRef,
svExternalDoubleRef,
svExternalName,
svSingleVectorRef,
svDoubleVectorRef,
svSubroutine, // A token with a subroutine token array.
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 sal_uInt8 StackVar;
#else
// have enum names in debugger
typedef StackVarEnum StackVar;
#endif
class FormulaTokenArray;
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 oslInterlockedCount mnRefCnt; // reference count
public:
FormulaToken( StackVar eTypeP,OpCode e = ocPush ) :
eOp(e), eType( eTypeP ), mnRefCnt(0) {}
FormulaToken( const FormulaToken& r ) : IFormulaToken(),
eOp(r.eOp), eType( r.eType ), mnRefCnt(0) {}
virtual ~FormulaToken();
inline void Delete() { delete this; }
inline StackVar GetType() const { return eType; }
bool IsFunction() const; // pure functions, no operators
bool IsExternalRef() const;
bool IsRef() const;
sal_uInt8 GetParamCount() const;
inline void IncRef() const
{
osl_atomic_increment(&mnRefCnt);
}
inline void DecRef() const
{
if (!osl_atomic_decrement(&mnRefCnt))
const_cast<FormulaToken*>(this)->Delete();
}
inline oslInterlockedCount GetRef() const { return mnRefCnt; }
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 sal_uInt8 GetByte() const;
virtual void SetByte( sal_uInt8 n );
virtual bool HasForceArray() const;
virtual void SetForceArray( bool b );
virtual double GetDouble() const;
virtual double& GetDoubleAsReference();
virtual svl::SharedString GetString() const;
virtual sal_uInt16 GetIndex() const;
virtual void SetIndex( sal_uInt16 n );
virtual bool IsGlobal() const;
virtual void SetGlobal( bool b );
virtual short* GetJump() const;
virtual const OUString& GetExternal() const;
virtual FormulaToken* GetFAPOrigToken() const;
virtual sal_uInt16 GetError() const;
virtual void SetError( sal_uInt16 );
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 sal_Int32 GetStrLenBytes( sal_Int32 nLen )
{ return nLen * sizeof(sal_Unicode); }
static sal_Int32 GetStrLenBytes( const OUString& rStr )
{ return GetStrLenBytes( rStr.getLength() ); }
};
inline void intrusive_ptr_add_ref(const FormulaToken* p)
{
p->IncRef();
}
inline void intrusive_ptr_release(const FormulaToken* p)
{
p->DecRef();
}
class FORMULA_DLLPUBLIC FormulaByteToken : public FormulaToken
{
private:
sal_uInt8 nByte;
bool bHasForceArray;
protected:
FormulaByteToken( OpCode e, sal_uInt8 n, StackVar v, bool b ) :
FormulaToken( v,e ), nByte( n ),
bHasForceArray( b ) {}
public:
FormulaByteToken( OpCode e, sal_uInt8 n, bool b ) :
FormulaToken( svByte,e ), nByte( n ),
bHasForceArray( b ) {}
FormulaByteToken( OpCode e, sal_uInt8 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 sal_uInt8 GetByte() const;
virtual void SetByte( sal_uInt8 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, sal_uInt8 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
{
svl::SharedString maString;
public:
FormulaStringToken( const svl::SharedString& r );
FormulaStringToken( const FormulaStringToken& r );
virtual FormulaToken* Clone() const;
virtual svl::SharedString 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 sal_uInt8 for ocBad tokens. */
class FORMULA_DLLPUBLIC FormulaStringOpToken : public FormulaByteToken
{
svl::SharedString maString;
public:
FormulaStringOpToken( OpCode e, const svl::SharedString& r );
FormulaStringOpToken( const FormulaStringOpToken& r );
virtual FormulaToken* Clone() const;
virtual svl::SharedString GetString() const;
virtual bool operator==( const FormulaToken& rToken ) const;
};
class FORMULA_DLLPUBLIC FormulaIndexToken : public FormulaToken
{
private:
sal_uInt16 nIndex;
bool mbGlobal;
public:
FormulaIndexToken( OpCode e, sal_uInt16 n, bool bGlobal = true ) :
FormulaToken( svIndex, e ), nIndex( n ), mbGlobal( bGlobal ) {}
FormulaIndexToken( const FormulaIndexToken& r ) :
FormulaToken( r ), nIndex( r.nIndex ), mbGlobal( r.mbGlobal ) {}
virtual FormulaToken* Clone() const { return new FormulaIndexToken(*this); }
virtual sal_uInt16 GetIndex() const;
virtual void SetIndex( sal_uInt16 n );
virtual bool IsGlobal() const;
virtual void SetGlobal( bool b );
virtual bool operator==( const FormulaToken& rToken ) const;
};
class FORMULA_DLLPUBLIC FormulaExternalToken : public FormulaToken
{
private:
OUString aExternal;
sal_uInt8 nByte;
public:
FormulaExternalToken( OpCode e, sal_uInt8 n, const OUString& r ) :
FormulaToken( svExternal, e ), aExternal( r ),
nByte( n ) {}
FormulaExternalToken( OpCode e, const OUString& 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 OUString& GetExternal() const;
virtual sal_uInt8 GetByte() const;
virtual void SetByte( sal_uInt8 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 svl::SharedString 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 FormulaSubroutineToken : public FormulaToken
{
public:
/** Takes ownership of pArray and deletes it upon destruction! */
FormulaSubroutineToken( const FormulaTokenArray* pArray ) :
FormulaToken( svSubroutine, ocCall ), mpArray( pArray) {}
FormulaSubroutineToken( const FormulaSubroutineToken& r );
virtual ~FormulaSubroutineToken();
virtual FormulaToken* Clone() const { return new FormulaSubroutineToken(*this); }
virtual bool operator==( const FormulaToken& rToken ) const;
private:
const FormulaTokenArray* mpArray;
};
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
{
sal_uInt16 nError;
public:
FormulaErrorToken( sal_uInt16 nErr ) :
FormulaToken( svError ), nError( nErr) {}
FormulaErrorToken( const FormulaErrorToken& r ) :
FormulaToken( r ), nError( r.nError) {}
virtual FormulaToken* Clone() const { return new FormulaErrorToken(*this); }
virtual sal_uInt16 GetError() const;
virtual void SetError( sal_uInt16 nErr );
virtual bool operator==( const FormulaToken& rToken ) const;
};
} // formula
#endif
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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