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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 .
*/
#pragma once
#include <tools/stream.hxx>
#include "tokstack.hxx"
#include "xiroot.hxx"
#include <memory>
#include <vector>
#include <map>
namespace svl {
class SharedStringPool;
}
class XclImpStream;
class ScTokenArray;
enum class ConvErr
{
OK = 0,
Ni, // unimplemented/unknown opcode occurred
Count // did not get all bytes of formula
};
enum FORMULA_TYPE
{
FT_CellFormula,
FT_RangeName,
FT_SharedFormula,
FT_CondFormat
};
class ScRangeListTabs : protected XclImpRoot
{
typedef ::std::vector<ScRange> RangeListType;
typedef ::std::map<SCTAB, RangeListType> TabRangeType;
TabRangeType m_TabRanges;
RangeListType::const_iterator maItrCur;
RangeListType::const_iterator maItrCurEnd;
public:
ScRangeListTabs( const XclImpRoot& rRoot );
~ScRangeListTabs();
void Append( const ScAddress& aSRD, SCTAB nTab );
void Append( const ScRange& aCRD, SCTAB nTab );
const ScRange* First ( SCTAB nTab );
const ScRange* Next ();
bool HasRanges () const { return !m_TabRanges.empty(); }
};
class ConverterBase
{
protected:
TokenPool aPool; // user token + predefined token
TokenStack aStack;
ScAddress aEingPos;
ConverterBase( svl::SharedStringPool& rSPool );
virtual ~ConverterBase();
void Reset();
};
class ExcelConverterBase : public ConverterBase
{
protected:
ExcelConverterBase( svl::SharedStringPool& rSPool );
virtual ~ExcelConverterBase() override;
public:
void Reset();
void Reset( const ScAddress& rEingPos );
virtual ConvErr Convert( std::unique_ptr<ScTokenArray>& rpErg, XclImpStream& rStrm, std::size_t nFormulaLen,
bool bAllowArrays, const FORMULA_TYPE eFT = FT_CellFormula ) = 0;
virtual ConvErr Convert( ScRangeListTabs&, XclImpStream& rStrm, std::size_t nFormulaLen, SCTAB nTab,
const FORMULA_TYPE eFT = FT_CellFormula ) = 0;
};
class LotusConverterBase : public ConverterBase
{
protected:
SvStream& aIn;
sal_Int32 nBytesLeft;
inline void Ignore( const tools::Long nSeekRel );
inline void Read( sal_uInt8& nByte );
inline void Read( sal_uInt16& nUINT16 );
inline void Read( sal_Int16& nINT16 );
inline void Read( double& fDouble );
inline void Read( sal_uInt32& nUINT32 );
LotusConverterBase( SvStream& rStr, svl::SharedStringPool& rSPool );
virtual ~LotusConverterBase() override;
public:
void Reset( const ScAddress& rEingPos );
virtual void Convert( std::unique_ptr<ScTokenArray>& rpErg, sal_Int32& nRest ) = 0;
bool good() const { return aIn.good(); }
protected:
using ConverterBase::Reset;
};
inline void LotusConverterBase::Ignore( const tools::Long nSeekRel )
{
aIn.SeekRel( nSeekRel );
nBytesLeft -= nSeekRel;
}
inline void LotusConverterBase::Read( sal_uInt8& nByte )
{
aIn.ReadUChar( nByte );
if (aIn.good())
nBytesLeft--;
else
{
// SvStream::ReadUChar() does not init a single char on failure. This
// behaviour is even tested in a unit test.
nByte = 0;
nBytesLeft = -1; // bail out early
}
}
inline void LotusConverterBase::Read( sal_uInt16& nUINT16 )
{
aIn.ReadUInt16( nUINT16 );
if (aIn.good())
nBytesLeft -= 2;
else
nBytesLeft = -1; // bail out early
}
inline void LotusConverterBase::Read( sal_Int16& nINT16 )
{
aIn.ReadInt16( nINT16 );
if (aIn.good())
nBytesLeft -= 2;
else
nBytesLeft = -1; // bail out early
}
inline void LotusConverterBase::Read( double& fDouble )
{
aIn.ReadDouble( fDouble );
if (aIn.good())
nBytesLeft -= 8;
else
nBytesLeft = -1; // bail out early
}
inline void LotusConverterBase::Read( sal_uInt32& nUINT32 )
{
aIn.ReadUInt32( nUINT32 );
if (aIn.good())
nBytesLeft -= 4;
else
nBytesLeft = -1; // bail out early
}
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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