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/*
 * Copyright (c) 2019 Samsung Electronics Co., Ltd. All Rights Reserved
 *
 * Licensed 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
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

#include "model/Subgraph.h"
#include "model/OperationVisitor.h"
#include <sstream>

namespace neurun
{
namespace model
{

Subgraph::Subgraph(Layout layout) : Operation{OperandConstraint::createAny()}, _layout{layout}
{
  // DO NOTHING
}

void Subgraph::accept(OperationVisitor &v) const { v.visit(*this); }

// TODO: Impl Dumper instead of this method
std::string Subgraph::getStr() const
{
  // "  subgraph IN(xx,xx,xx) -> { op0, op1, op2 } -> OUT(yy,yy,yy)"
  std::stringstream ss;
  ss << "  subgraph IN(";
  for (const auto &index : getInputs())
  {
    ss << " " << index.value();
  }
  ss << " ) -> {";
  for (const auto &elem : _operations)
  {
    ss << " " << elem.index.value() << "(" << elem.node->getName() << ")";
  }
  ss << " } -> OUT(";
  for (const auto &index : getOutputs())
  {
    ss << " " << index.value();
  }
  ss << " )";
  return ss.str();
}

} // namespace model
} // namespace neurun