ArraySerializer.cpp

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/******************************************************************************
 * Copyright (C) 2014 by Ralf Kaestner                                        *
 * ralf.kaestner@gmail.com                                                    *
 *                                                                            *
 * This program is free software; you can redistribute it and/or modify       *
 * it under the terms of the Lesser GNU General Public License as published by*
 * the Free Software Foundation; either version 3 of the License, or          *
 * (at your option) any later version.                                        *
 *                                                                            *
 * This program 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               *
 * Lesser GNU General Public License for more details.                        *
 *                                                                            *
 * You should have received a copy of the Lesser GNU General Public License   *
 * along with this program. If not, see <http://www.gnu.org/licenses/>.       *
 ******************************************************************************/

#include "variant_topic_tools/ArraySerializer.h"
#include "variant_topic_tools/ArrayVariant.h"

namespace variant_topic_tools {

/*****************************************************************************/
/* Constructors and Destructor                                               */
/*****************************************************************************/

ArraySerializer::ArraySerializer() {
}

ArraySerializer::ArraySerializer(const Serializer& memberSerializer, size_t
    numMembers) {
  impl.reset(new ImplV(memberSerializer, numMembers));
}

ArraySerializer::ArraySerializer(const ArraySerializer& src) :
  Serializer(src) {
}

ArraySerializer::ArraySerializer(const Serializer& src) :
  Serializer(src) {
  if (impl)
    BOOST_ASSERT(boost::dynamic_pointer_cast<Impl>(impl));
}

ArraySerializer::~ArraySerializer() {
}

ArraySerializer::Impl::Impl() {
}

ArraySerializer::Impl::~Impl() {
}

ArraySerializer::ImplV::ImplV(const Serializer& memberSerializer, size_t
    numMembers) :
  memberSerializer(memberSerializer),
  numMembers(numMembers) {
}

ArraySerializer::ImplV::~ImplV() {
}

/*****************************************************************************/
/* Accessors                                                                 */
/*****************************************************************************/

size_t ArraySerializer::ImplV::getSerializedLength(const Variant& value)
    const {
  ArrayVariant arrayValue = value;
  size_t length = 0;

  if (!numMembers)
    length += sizeof(uint32_t);
  
  for (size_t i = 0; i < arrayValue.getNumMembers(); ++i)
    length += memberSerializer.getSerializedLength(arrayValue[i]);
  
  return length;
}

/*****************************************************************************/
/* Methods                                                                   */
/*****************************************************************************/

void ArraySerializer::ImplV::serialize(ros::serialization::OStream& stream,
    const Variant& value) {
  ArrayVariant arrayValue = value;
  
  if (!numMembers)
    stream.next((uint32_t)arrayValue.getNumMembers());
  
  for (size_t i = 0; i < arrayValue.getNumMembers(); ++i)
    memberSerializer.serialize(stream, arrayValue[i]);
}

void ArraySerializer::ImplV::deserialize(ros::serialization::IStream& stream,
    Variant& value) {
  ArrayVariant arrayValue = value;

  if (!numMembers) {
    uint32_t numMembers = 0;
    stream.next(numMembers);
    
    arrayValue.resize(numMembers);
  }
  
  for (size_t i = 0; i < arrayValue.getNumMembers(); ++i) {
    Variant member = arrayValue[i];
    memberSerializer.deserialize(stream, member);
  }
}

}