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42cf5bc1ca
Automatic upgrade of OCCT code by command "occt_upgrade . -nocdl": - WOK-generated header files from inc and sources from drv are moved to src - CDL files removed - All packages are converted to nocdlpack
146 lines
3.7 KiB
C++
146 lines
3.7 KiB
C++
// Created on: 1991-04-16
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// Created by: Arnaud BOUZY
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// Copyright (c) 1991-1999 Matra Datavision
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// Copyright (c) 1999-2014 OPEN CASCADE SAS
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//
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// This file is part of Open CASCADE Technology software library.
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//
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// This library is free software; you can redistribute it and/or modify it under
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// the terms of the GNU Lesser General Public License version 2.1 as published
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// by the Free Software Foundation, with special exception defined in the file
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// OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT
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// distribution for complete text of the license and disclaimer of any warranty.
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//
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// Alternatively, this file may be used under the terms of Open CASCADE
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// commercial license or contractual agreement.
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#include <Expr_GeneralExpression.hxx>
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#include <Expr_InvalidOperand.hxx>
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#include <Expr_NamedUnknown.hxx>
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#include <Expr_PolyExpression.hxx>
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#include <Standard_DimensionMismatch.hxx>
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#include <Standard_NumericError.hxx>
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#include <Standard_OutOfRange.hxx>
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#include <Standard_Type.hxx>
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Expr_PolyExpression::Expr_PolyExpression()
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{
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}
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Standard_Integer Expr_PolyExpression::NbOperands () const
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{
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return myOperands.Length();
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}
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void Expr_PolyExpression::SetOperand (const Handle(Expr_GeneralExpression)& exp, const Standard_Integer index)
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{
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Handle(Expr_PolyExpression) me = this;
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if (exp == me) {
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Expr_InvalidOperand::Raise();
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}
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if (exp->Contains(me)) {
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Expr_InvalidOperand::Raise();
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}
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myOperands(index) = exp;
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}
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void Expr_PolyExpression::AddOperand (const Handle(Expr_GeneralExpression)& exp)
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{
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myOperands.Append(exp);
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}
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void Expr_PolyExpression::RemoveOperand (const Standard_Integer index)
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{
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if (myOperands.Length() <= 2) {
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Standard_DimensionMismatch::Raise();
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}
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myOperands.Remove(index);
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}
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Standard_Integer Expr_PolyExpression::NbSubExpressions () const
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{
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return NbOperands();
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}
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const Handle(Expr_GeneralExpression)& Expr_PolyExpression::SubExpression (const Standard_Integer I) const
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{
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return Operand(I);
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}
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Standard_Boolean Expr_PolyExpression::ContainsUnknowns () const
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{
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Standard_Boolean found = Standard_False;
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Standard_Integer nbop = NbOperands();
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Standard_Integer i = 1;
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Handle(Expr_GeneralExpression) expop;
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while ((!found) && (i <= nbop)) {
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expop = Operand(i);
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found = expop->IsKind(STANDARD_TYPE(Expr_NamedUnknown));
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i++;
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}
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i = 1;
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while ((!found) && (i <= nbop)) {
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expop = Operand(i);
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found = expop->ContainsUnknowns();
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i++;
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}
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return found;
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}
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Standard_Boolean Expr_PolyExpression::Contains (const Handle(Expr_GeneralExpression)& exp) const
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{
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Standard_Boolean found = Standard_False;
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Standard_Integer nbop = NbOperands();
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Standard_Integer i = 1;
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Handle(Expr_GeneralExpression) expop;
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while ((!found) && (i <= nbop)) {
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expop = Operand(i);
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found = (expop == exp);
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i++;
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}
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i = 1;
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while ((!found) && (i <= nbop)) {
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expop = Operand(i);
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found = expop->Contains(exp);
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i++;
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}
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return found;
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}
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void Expr_PolyExpression::Replace (const Handle(Expr_NamedUnknown)& var, const Handle(Expr_GeneralExpression)& with)
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{
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Standard_Integer nbop = NbOperands();
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Standard_Integer i;
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Handle(Expr_GeneralExpression) expop;
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for(i=1;i <= nbop; i++) {
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expop = Operand(i);
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if (expop == var) {
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SetOperand(with,i);
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}
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else {
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if (expop->Contains(var)) {
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expop->Replace(var,with);
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}
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}
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}
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}
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Handle(Expr_GeneralExpression) Expr_PolyExpression::Simplified() const
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{
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Handle(Expr_PolyExpression) cop = Handle(Expr_PolyExpression)::DownCast(Copy());
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Standard_Integer i;
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Standard_Integer max = cop->NbOperands();
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Handle(Expr_GeneralExpression) op;
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for (i=1; i<= max; i++) {
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op = cop->Operand(i);
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cop->SetOperand(op->Simplified(),i);
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}
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return cop->ShallowSimplified();
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}
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