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Diffstat (limited to 'lotuswordpro/source/filter/lwptblformula.cxx')
-rw-r--r-- | lotuswordpro/source/filter/lwptblformula.cxx | 575 |
1 files changed, 575 insertions, 0 deletions
diff --git a/lotuswordpro/source/filter/lwptblformula.cxx b/lotuswordpro/source/filter/lwptblformula.cxx new file mode 100644 index 000000000..bec6bcf74 --- /dev/null +++ b/lotuswordpro/source/filter/lwptblformula.cxx @@ -0,0 +1,575 @@ +/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */ +/************************************************************************* + * + * The Contents of this file are made available subject to the terms of + * either of the following licenses + * + * - GNU Lesser General Public License Version 2.1 + * - Sun Industry Standards Source License Version 1.1 + * + * Sun Microsystems Inc., October, 2000 + * + * GNU Lesser General Public License Version 2.1 + * ============================================= + * Copyright 2000 by Sun Microsystems, Inc. + * 901 San Antonio Road, Palo Alto, CA 94303, USA + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License version 2.1, as published by the Free Software Foundation. + * + * This library 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 for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, + * MA 02111-1307 USA + * + * + * Sun Industry Standards Source License Version 1.1 + * ================================================= + * The contents of this file are subject to the Sun Industry Standards + * Source License Version 1.1 (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.openoffice.org/license.html. + * + * Software provided under this License is provided on an "AS IS" basis, + * WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING, + * WITHOUT LIMITATION, WARRANTIES THAT THE SOFTWARE IS FREE OF DEFECTS, + * MERCHANTABLE, FIT FOR A PARTICULAR PURPOSE, OR NON-INFRINGING. + * See the License for the specific provisions governing your rights and + * obligations concerning the Software. + * + * The Initial Developer of the Original Code is: IBM Corporation + * + * Copyright: 2008 by IBM Corporation + * + * All Rights Reserved. + * + * Contributor(s): _______________________________________ + * + * + ************************************************************************/ +/** + * @file + * For LWP filter architecture prototype - table cell numerics format + */ + +#include "lwptblcell.hxx" +#include "lwppara.hxx" +#include "lwptblformula.hxx" + +#include "lwptablelayout.hxx" +#include <osl/thread.h> +#include <rtl/ustrbuf.hxx> +#include <sal/log.hxx> +#include <memory> + +LwpFormulaArg::~LwpFormulaArg() +{ +} + + LwpFormulaInfo::LwpFormulaInfo(LwpObjectHeader const &objHdr, LwpSvStream* pStrm) + : LwpCellList(objHdr, pStrm) + , m_bSupported(true) + , m_nFormulaRow(0) +{} + +LwpFormulaInfo::~LwpFormulaInfo() +{ +} + +void LwpFormulaInfo::ReadConst() +{ + double Constant = m_pObjStrm->QuickReadDouble(); + + m_aStack.push_back( std::make_unique<LwpFormulaConst>(Constant) ); +} + +/** +* Need more effort for unicode. +*/ +void LwpFormulaInfo::ReadText() +{ + m_pObjStrm->QuickReadInt16(); //Disk Size + sal_uInt16 nStrLen = m_pObjStrm->QuickReadInt16(); + + std::vector<char> aBuf(nStrLen + 1); + m_pObjStrm->QuickRead(aBuf.data(), nStrLen); + aBuf[nStrLen]= '\0'; + OUString aText = "\"" + + OUString(aBuf.data(), nStrLen, osl_getThreadTextEncoding()) + + "\""; + + m_aStack.push_back(std::make_unique<LwpFormulaText>(aText)); +} + +void LwpFormulaInfo::ReadCellID() +{ + LwpRowSpecifier RowSpecifier; + LwpColumnSpecifier ColumnSpecifier; + + RowSpecifier.QuickRead(m_pObjStrm.get()); + ColumnSpecifier.QuickRead(m_pObjStrm.get()); + + m_aStack.push_back( std::make_unique<LwpFormulaCellAddr>(ColumnSpecifier.ColumnID(cColumn), + RowSpecifier.RowID(m_nFormulaRow)) ); +} + +void LwpFormulaInfo::ReadCellRange() +{ + ReadCellID( ); // start + std::unique_ptr<LwpFormulaCellAddr> pStartCellAddr( static_cast<LwpFormulaCellAddr*>(m_aStack.back().release())); + m_aStack.pop_back(); + + ReadCellID(); // end + std::unique_ptr<LwpFormulaCellAddr> pEndCellAddr(static_cast<LwpFormulaCellAddr*>(m_aStack.back().release())); + m_aStack.pop_back(); + + m_aStack.push_back( std::make_unique<LwpFormulaCellRangeAddr>(pStartCellAddr->GetCol(), + pStartCellAddr->GetRow(), + pEndCellAddr->GetCol(), + pEndCellAddr->GetRow()) ); +} + +/** +* Read expression from wordpro file +*/ +void LwpFormulaInfo::ReadExpression() +{ + sal_uInt16 TokenType, DiskLength; + + /* Read the compiled expression length */ + m_pObjStrm->SeekRel(2); + + bool bError = false; + while ((TokenType = m_pObjStrm->QuickReaduInt16(&bError)) != TK_END) + { + + if (bError) + throw std::runtime_error("error reading expression"); + + // Get the disk length of this token + DiskLength = m_pObjStrm->QuickReaduInt16(); + + switch (TokenType) + { + case TK_CONSTANT: + { + ReadConst(); + break; + } + + case TK_CELLID: + ReadCellID(); + break; + + case TK_CELLRANGE: + ReadCellRange(); + break; + + case TK_SUM: + case TK_IF: + case TK_COUNT: + case TK_MINIMUM: + case TK_MAXIMUM: + case TK_AVERAGE: + { + std::unique_ptr<LwpFormulaFunc> xFunc(new LwpFormulaFunc(TokenType)); + ReadArguments(*xFunc); + m_aStack.push_back(std::move(xFunc)); + } + break; + + case TK_ADD://7 + case TK_SUBTRACT: + case TK_MULTIPLY: + case TK_DIVIDE: + case TK_LESS: + case TK_LESS_OR_EQUAL: + case TK_GREATER: + case TK_GREATER_OR_EQUAL: + case TK_EQUAL: + case TK_NOT_EQUAL: + case TK_AND: + case TK_OR: + case TK_NOT: + m_pObjStrm->SeekRel(DiskLength); // extensible for future + + if (m_aStack.size() >= 2) + {//binary operator + std::unique_ptr<LwpFormulaOp> pOp(new LwpFormulaOp(TokenType)); + pOp->AddArg(std::move(m_aStack.back())); m_aStack.pop_back(); + pOp->AddArg(std::move(m_aStack.back())); m_aStack.pop_back(); + m_aStack.push_back(std::move(pOp)); + } + break; + case TK_UNARY_MINUS: + if (!m_aStack.empty()) + { + std::unique_ptr<LwpFormulaUnaryOp> pOp(new LwpFormulaUnaryOp(TokenType)); + pOp->AddArg(std::move(m_aStack.back())); m_aStack.pop_back(); + m_aStack.push_back(std::move(pOp)); + } + break; + default: + // We don't know what to do with this token, so eat it. + m_pObjStrm->SeekRel(DiskLength); + break; + } + MarkUnsupported(TokenType); + } +} + +void LwpFormulaInfo::MarkUnsupported(sal_uInt16 TokenType) +{ + switch(TokenType) + { + case TK_IF: + case TK_COUNT: + case TK_NOT: + { + m_bSupported = false;//Not supported formulas + } + break; + default: + break; + } +} +/** +* Read arguments of functions from wordpro file +* @param LwpFormulaFunc& aFunc, functions object +*/ +void LwpFormulaInfo::ReadArguments(LwpFormulaFunc& aFunc) +{ + sal_uInt16 NumberOfArguments = m_pObjStrm->QuickReaduInt16(); + + for (sal_uInt16 Count = 0; Count < NumberOfArguments; Count++) + { + sal_uInt8 ArgumentType = static_cast<sal_uInt8>(m_pObjStrm->QuickReaduInt16()); // written as lushort + sal_uInt16 ArgumentDiskLength = m_pObjStrm->QuickReaduInt16(); + bool bArgument = true; + + switch(ArgumentType) + { + case TK_CELLID: + ReadCellID(); + break; + + case TK_CELLRANGE: + ReadCellRange(); + break; + + case TK_CONSTANT: + ReadConst(); + break; + + case TK_TEXT: + ReadText(); + break; + + case TK_EXPRESSION: + ReadExpression(); + break; + + default: + bArgument = false; + m_pObjStrm->SeekRel(ArgumentDiskLength); + break; + } + + if (bArgument && !m_aStack.empty()) + { + aFunc.AddArg(std::move(m_aStack.back())); + m_aStack.pop_back(); + } + } +} + +void LwpFormulaInfo::Read() +{ + LwpCellList::Read(); + { + LwpRowList* pRowList = dynamic_cast<LwpRowList*>(cParent.obj().get()); + if (pRowList) + { + m_nFormulaRow = pRowList->GetRowID(); + } + else + { + SAL_WARN("lwp", "missing row list"); + } + } + m_pObjStrm->SeekRel(2);//flags, size in file: sal_uInt16 + + LwpNotifyListPersistent cNotifyList; + cNotifyList.Read(m_pObjStrm.get()); + + ReadExpression(); + + m_pObjStrm->SkipExtra(); +} + +/** +* Make the formula string. +*/ +OUString LwpFormulaInfo::Convert(LwpTableLayout* pCellsMap) +{ + OUString aFormula; + if (m_bSupported) + { + if(1==m_aStack.size()) + { + aFormula = m_aStack[0]->ToString(pCellsMap); + } + else + { + assert(false); + } + } + return aFormula; +} + +/** +* Fill the XFCell content +*/ +void LwpFormulaInfo::Convert(XFCell * pCell,LwpTableLayout* pCellsMap) +{ + OUString aFormula = Convert(pCellsMap); + if (!aFormula.isEmpty()) + { + pCell->SetFormula(aFormula); + } + LwpCellList::Convert(pCell); +} + +LwpFormulaConst::LwpFormulaConst(double dVal) +{ + m_dVal = dVal; +} + +OUString LwpFormulaConst::ToString(LwpTableLayout* /*pCellsMap*/) +{ + return OUString::number(m_dVal); +} + +LwpFormulaText::LwpFormulaText( const OUString& aText) : m_aText(aText) +{ +} + +LwpFormulaCellAddr::LwpFormulaCellAddr(sal_Int16 aCol, sal_Int16 aRow) + : m_aCol(aCol), m_aRow(aRow) +{ +} + +OUString LwpFormulaCellAddr::ToString(LwpTableLayout* pCellsMap) +{ + OUString aCellAddr = "<" + LwpFormulaTools::GetCellAddr(m_aRow,m_aCol,pCellsMap) + ">"; + return aCellAddr; +} + +LwpFormulaCellRangeAddr::LwpFormulaCellRangeAddr(sal_Int16 aStartCol, + sal_Int16 aStartRow, + sal_Int16 aEndCol, + sal_Int16 aEndRow) + : m_aStartCol(aStartCol), m_aStartRow(aStartRow), + m_aEndCol(aEndCol), m_aEndRow(aEndRow) +{ +} + +/** +* Convert the cell range into a string +*/ +OUString LwpFormulaCellRangeAddr::ToString(LwpTableLayout* pCellsMap) +{ + OUString aCellAddr = "<" + + LwpFormulaTools::GetCellAddr(m_aStartRow,m_aStartCol,pCellsMap) + ":" + + LwpFormulaTools::GetCellAddr(m_aEndRow,m_aEndCol,pCellsMap) + ">"; + + return aCellAddr; +} + +LwpFormulaFunc::LwpFormulaFunc(sal_uInt16 nTokenType) : m_nTokenType(nTokenType) +{ +} + +LwpFormulaFunc::~LwpFormulaFunc() +{ +} +void LwpFormulaFunc::AddArg(std::unique_ptr<LwpFormulaArg> pArg) +{ + m_aArgs.push_back(std::move(pArg)); +} +/** +* Convert the functions to a string, which is an argument of other formula +*/ +OUString LwpFormulaFunc::ToArgString(LwpTableLayout* pCellsMap) +{ + return "(" + ToString(pCellsMap) + ")"; +} +/** +* Convert the function to a formula string. +*/ +OUString LwpFormulaFunc::ToString(LwpTableLayout* pCellsMap) +{ + OUStringBuffer aFormula; + + OUString aFuncName = LwpFormulaTools::GetName(m_nTokenType); + aFormula.append(aFuncName + + " ");//Append a blank space + + //Append args + for (auto const& elem : m_aArgs) + { + aFormula.append(elem->ToArgString(pCellsMap) + "|"); //separator + } + + //erase the last "|" + if (!m_aArgs.empty()) + { + aFormula.setLength(aFormula.getLength()-1); + } + else + { + assert(false); + } + + return aFormula.makeStringAndClear(); +} + +/** +* Convert the formula in operators to a string : e.g. 1+2+3 +*/ +OUString LwpFormulaOp::ToString(LwpTableLayout* pCellsMap) +{ + OUString aFormula; + if (2==m_aArgs.size()) + { + aFormula += m_aArgs[1]->ToArgString(pCellsMap) + " "; + OUString aFuncName = LwpFormulaTools::GetName(m_nTokenType); + + aFormula += aFuncName + " " + + m_aArgs[0]->ToArgString(pCellsMap); + } + else + { + assert(false); + } + return aFormula; +} + +/** +* convert the formula in unary operators into string : e.g. -2 +*/ +OUString LwpFormulaUnaryOp::ToString(LwpTableLayout* pCellsMap) +{ + OUString aFormula; + if (1==m_aArgs.size()) + { + OUString aFuncName = LwpFormulaTools::GetName(m_nTokenType); + aFormula += aFuncName + + m_aArgs[0]->ToArgString(pCellsMap); + } + else + { + assert(false); + } + return aFormula; +} +/** +* Get token name +*/ +OUString LwpFormulaTools::GetName(sal_uInt16 nTokenType) +{ + OUString aName; + switch(nTokenType) + { + case TK_SUM: + aName = "SUM"; + break; + case TK_IF: + aName = "IF";//Not supported by SODC + break; + case TK_COUNT: + aName = "COUNT";//Not supported by SODC + break; + case TK_MINIMUM: + aName = "MIN"; + break; + case TK_MAXIMUM: + aName = "MAX"; + break; + case TK_AVERAGE: + aName = "MEAN"; + break; + case TK_ADD: + aName = "+"; + break; + case TK_SUBTRACT: + aName = "-"; + break; + case TK_MULTIPLY: + aName = "*"; + break; + case TK_DIVIDE: + aName = "/"; + break; + case TK_UNARY_MINUS: + aName = "-"; + break; + case TK_LESS: + aName = "L"; + break; + case TK_LESS_OR_EQUAL: + aName = "LEQ"; + break; + case TK_GREATER: + aName = "G"; + break; + case TK_GREATER_OR_EQUAL: + aName = "GEQ"; + break; + case TK_EQUAL: + aName = "EQ"; + break; + case TK_NOT_EQUAL: + aName = "NEQ"; + break; + case TK_NOT: + aName = "NOT"; + break; + case TK_AND: + aName = "AND"; + break; + case TK_OR: + aName = "OR"; + break; + default: + assert(false); + break; + } + return aName; +} + +/** +* Get cell address in String +*/ +OUString LwpFormulaTools::GetCellAddr(sal_Int16 nRow, sal_Int16 nCol, LwpTableLayout* pCellsMap) +{ + OUString aCellAddr; + XFCell* pCell = pCellsMap->GetCellsMap(nRow,static_cast<sal_uInt8>(nCol)); + if (pCell) + { + aCellAddr = pCell->GetCellName(); + } + else + { + assert( -1==nRow || -1==static_cast<sal_Int8>(nCol)); + } + return aCellAddr; +} + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |