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// File: Units.cxx
// Created: Wed Oct 28 11:47:48 1992
// Author: Gilles DEBARBOUILLE
// <gde@bravox>
// Modified Wed Apr 2 14:10:05 1997 by Gerard GRAS
// Add FirstQuantity access methods
// Modified Mon Apr 7 16:52:40 1997 by Patrick BOSINCO
// Add Dimensions access methods
#define PRO8619 //GG_160697
// Convertir correctement les unites translatees
#include <stdlib.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <Units.hxx>
#include <Units_Measurement.hxx>
#include <Units_Quantity.hxx>
#include <Units_Dimensions.hxx>
#include <Units_Unit.hxx>
#include <Units_Lexicon.hxx>
#include <Units_UnitsLexicon.hxx>
#include <Units_UnitsDictionary.hxx>
#include <Units_UnitsSystem.hxx>
#include <Units_UnitSentence.hxx>
#include <Units_ShiftedToken.hxx>
#include <Standard_NoSuchObject.hxx>
#include <TColStd_HSequenceOfHAsciiString.hxx>
#include <Units_Operators.hxx>
static Handle(Units_Dimensions) nulldimensions;
static Handle(Units_UnitsLexicon) lexiconunits;
static Handle(Units_Lexicon) lexiconformula;
static Handle(Units_UnitsDictionary) unitsdictionary;
static Handle(Units_UnitsSystem) unitssystem;
static TCollection_AsciiString unitsfile;
static TCollection_AsciiString lexiconfile;
static TCollection_AsciiString lastunit;
static Handle(Units_Dimensions) lastdimension;
static Standard_Real lastvalue,lastmove;
//=======================================================================
//function : UnitsFile
//purpose :
//=======================================================================
void Units::UnitsFile(const Standard_CString afile) {
unitsfile = TCollection_AsciiString(afile);
}
//=======================================================================
//function : LexiconFile
//purpose :
//=======================================================================
void Units::LexiconFile(const Standard_CString afile) {
lexiconfile = TCollection_AsciiString(afile);
}
//=======================================================================
//function : DictionaryOfUnits
//purpose :
//=======================================================================
Handle(Units_UnitsDictionary) Units::DictionaryOfUnits(const Standard_Boolean amode)
{
if(unitsdictionary.IsNull())
{
// cout<<"Allocation du dictionnaire"<<endl;
unitsdictionary = new Units_UnitsDictionary();
// cout<<"Creation du dictionnaire"<<endl;
unitsdictionary->Creates(unitsfile.ToCString());
}
else if(amode)
{
// cout<<"Creation du dictionnaire"<<endl;
unitsdictionary->Creates(unitsfile.ToCString());
}
else if(!unitsdictionary->UpToDate())
{
// cout<<"Creation du dictionnaire"<<endl;
unitsdictionary->Creates(unitsfile.ToCString());
}
return unitsdictionary;
}
//=======================================================================
//function : Quantity
//purpose :
//=======================================================================
Handle(Units_Quantity) Units::Quantity(const Standard_CString aquantity)
{
Standard_Integer index;
Handle(Units_Quantity) quantity;
Handle(Units_Quantity) nullquantity;
Handle(Units_QuantitiesSequence) quantitiessequence;
quantitiessequence = Units::DictionaryOfUnits()->Sequence();
for(index=1;index<=quantitiessequence->Length();index++)
{
quantity = quantitiessequence->Value(index);
if(quantity->Name() == aquantity) return quantity;
}
cout<<"Warning: BAD Quantity = Units::Quantity(quantity('" << aquantity << "'))" << endl;
return nullquantity;
}
//=======================================================================
//function : Quantity
//purpose :
//=======================================================================
static TCollection_AsciiString symbol_string,quantity_string;
Standard_CString Units::FirstQuantity(const Standard_CString aunit)
{
Standard_Integer i,j,k;
Handle(Units_Quantity) thequantity;
Handle(Units_QuantitiesSequence) quantitiessequence;
Handle(Units_UnitsSequence) unitssequence;
Handle(Units_Unit) unit;
Handle(TColStd_HSequenceOfHAsciiString) symbolssequence;
TCollection_AsciiString symbol(aunit);
if( symbol == symbol_string ) return quantity_string.ToCString();
quantitiessequence = Units::DictionaryOfUnits()->Sequence();
for(i=1;i<=quantitiessequence->Length();i++) {
thequantity = quantitiessequence->Value(i);
unitssequence = thequantity->Sequence();
for(j=1;j<=unitssequence->Length();j++) {
unit = unitssequence->Value(j);
symbolssequence = unit->SymbolsSequence();
for( k=1;k<=symbolssequence->Length();k++) {
if( symbol == symbolssequence->Value(k)->String() ) {
symbol_string = symbol;
quantity_string = thequantity->Name();
return quantity_string.ToCString();
}
}
}
}
cout<<"Warning: BAD Quantity = Units::Quantity(unit('" << symbol << "'))" << endl;
return NULL;
}
//=======================================================================
//function : LexiconUnits
//purpose :
//=======================================================================
Handle(Units_Lexicon) Units::LexiconUnits(const Standard_Boolean amode)
{
if(lexiconunits.IsNull()) {
// cout<<"Allocation du lexique d'unites"<<endl;
lexiconunits = new Units_UnitsLexicon();
// cout<<"Creation du lexique d'unites"<<endl;
lexiconunits->Creates(lexiconfile.ToCString(),unitsfile.ToCString(),amode);
}
else if(!lexiconunits->UpToDate()) {
// cout<<"Creation du lexique d'unites"<<endl;
lexiconunits->Creates(lexiconfile.ToCString(),unitsfile.ToCString(),amode);
}
return lexiconunits;
}
//=======================================================================
//function : LexiconFormula
//purpose :
//=======================================================================
Handle(Units_Lexicon) Units::LexiconFormula()
{
if(lexiconformula.IsNull()) {
// cout<<"Allocation du lexique d'expression"<<endl;
lexiconformula = new Units_Lexicon();
// cout<<"Creation du lexique d'expression"<<endl;
lexiconformula->Creates(lexiconfile.ToCString());
}
else if(!lexiconformula->UpToDate()) {
// cout<<"Creation du lexique d'expression"<<endl;
lexiconformula->Creates(lexiconfile.ToCString());
}
return lexiconformula;
}
//=======================================================================
//function : NullDimensions
//purpose :
//=======================================================================
Handle(Units_Dimensions) Units::NullDimensions()
{
if(nulldimensions.IsNull()) nulldimensions = new Units_Dimensions(0.,0.,0.,0.,0.,0.,0.,0.,0.);
return nulldimensions;
}
//=======================================================================
//function : Convert
//purpose :
//=======================================================================
Standard_Real Units::Convert(const Standard_Real avalue,
const Standard_CString afirstunit,
const Standard_CString asecondunit)
{
Units_Measurement measurement(avalue,afirstunit);
measurement.Convert(asecondunit);
return measurement.Measurement();
}
//=======================================================================
//function : ToSI
//purpose :
//=======================================================================
Standard_Real Units::ToSI(const Standard_Real aData,
const Standard_CString aUnit){
Handle(Units_Dimensions) aDimBid;
return Units::ToSI(aData,aUnit,aDimBid);
}
//=======================================================================
//function : ToSI
//purpose :
//=======================================================================
Standard_Real Units::ToSI(const Standard_Real aData,
const Standard_CString aUnit,
Handle(Units_Dimensions) &dim)
{
if(lastunit != aUnit ) {
lastunit = TCollection_AsciiString(aUnit);
Units_UnitSentence unitsentence(aUnit);
if(!unitsentence.IsDone()) {
cout<<"can not convert - incorrect unit => return 0.0"<<endl;
return 0.0;
}
Handle(Units_Token) token = unitsentence.Evaluate();
lastvalue = token->Value();
lastmove = 0.;
if( token->IsKind(STANDARD_TYPE(Units_ShiftedToken)) ) {
Handle(Units_ShiftedToken) stoken =
Handle(Units_ShiftedToken)::DownCast(token) ;
lastmove = stoken->Move();
}
lastdimension = token->Dimensions();
}
dim = lastdimension;
#ifdef PRO8619
return (aData + lastmove) * lastvalue;
#else
return aData * lastvalue;
#endif
}
//=======================================================================
//function : FromSI
//purpose :
//=======================================================================
Standard_Real Units::FromSI(const Standard_Real aData,
const Standard_CString aUnit){
Handle(Units_Dimensions) aDimBid;
return Units::FromSI(aData,aUnit,aDimBid);
}
//=======================================================================
//function : FromSI
//purpose :
//=======================================================================
Standard_Real Units::FromSI(const Standard_Real aData,
const Standard_CString aUnit,
Handle(Units_Dimensions) &dim)
{
if(lastunit != aUnit) {
lastunit = TCollection_AsciiString(aUnit);
Units_UnitSentence unitsentence(aUnit);
if(!unitsentence.IsDone()) {
cout<<"Warning: can not convert - incorrect unit => return 0.0"<<endl;
return 0.0;
}
Handle(Units_Token) token = unitsentence.Evaluate();
lastvalue = token->Value();
lastmove = 0.;
if( token->IsKind(STANDARD_TYPE(Units_ShiftedToken)) ) {
Handle(Units_ShiftedToken) stoken =
Handle(Units_ShiftedToken)::DownCast(token) ;
lastmove = stoken->Move();
}
lastdimension = token->Dimensions();
}
dim = lastdimension;
#ifdef PRO8619
return (aData / lastvalue) - lastmove;
#else
return aData / lastvalue;
#endif
}
//=======================================================================
//function : Dimensions
//purpose :
//=======================================================================
Handle(Units_Dimensions) Units::Dimensions(const Standard_CString aType)
{
if (aType) {
Handle(Units_UnitsDictionary) dico=Units::DictionaryOfUnits(Standard_False);
Handle(Units_QuantitiesSequence) qSeq = dico->Sequence();
Handle(Units_Quantity) q;
for (Standard_Integer i=1; i <= qSeq->Length(); i++) {
if (qSeq->Value(i) == aType) {
return qSeq->Value(i)->Dimensions();
}
}
Standard_NoSuchObject::Raise("Units::Dimensions");
}
return Units_Dimensions::ALess();
}
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