SundanceListExpr.cpp

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//                             Sundance
//                 Copyright 2011 Sandia Corporation
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/* @HEADER@ */

#include "SundanceListExpr.hpp"
#include "Teuchos_TimeMonitor.hpp"

using namespace Sundance;
using namespace Sundance;

using namespace Sundance;
using namespace Teuchos;

static Time& appendToListTimer() 
{
  static RCP<Time> rtn 
    = TimeMonitor::getNewTimer("append to list"); 
  return *rtn;
}

ListExpr::ListExpr()
  : ExprBase(), elements_()
{;}

ListExpr::ListExpr(const Array<Expr>& elements)
  : ExprBase(), elements_(elements)
{;}

void ListExpr::append(const Expr& expr)
{
  TimeMonitor timer(appendToListTimer());
  elements_.append(expr);
}

Expr ListExpr::flatten() const 
{
  Expr rtn = new ListExpr();

  for (int i=0; i<this->size(); i++)
    {
      Expr e = element(i).flatten();
      for (int j=0; j<e.size(); j++)
        {
          rtn.append(e[j]);
        }
    }

  return rtn;
}

Expr ListExpr::join(const Expr& other) const 
{
  Expr rtn = new ListExpr(elements_);
  
  for (int i=0; i<other.size(); i++)
    {
      rtn.append(other[i]);
    }

  return rtn;
}

int ListExpr::size() const
{
  return elements_.size();
}

int ListExpr::totalSize() const 
{
  int rtn = 0;

  for (int i=0; i<this->size(); i++)
    {
      rtn += elements_[i].totalSize();
    }

  return rtn;
}

std::ostream& ListExpr::toText(std::ostream& os, bool paren) const
{
  os << "{";
  for (int i=0; i<elements_.size(); i++)
    {
      elements_[i].ptr()->toText(os, paren);
      if (i < elements_.size()-1) os << ", ";
    }
  os << "}";
  return os;
}


XMLObject ListExpr::toXML() const 
{
  XMLObject rtn("ListExpr");
  for (int i=0; i<elements_.length(); i++)
    {
      rtn.addChild(elements_[i].toXML());
    }
  return rtn;
}