quickfix-ffi 0.2.1

Low level binding to quickfix C++ library
Documentation 
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/****************************************************************************
** Copyright (c) 2001-2014
**
** This file is part of the QuickFIX FIX Engine
**
** This file may be distributed under the terms of the quickfixengine.org
** license as defined by quickfixengine.org and appearing in the file
** LICENSE included in the packaging of this file.
**
** This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
**
** See http://www.quickfixengine.org/LICENSE for licensing information.
**
** Contact ask@quickfixengine.org if any conditions of this licensing are
** not clear to you.
**
****************************************************************************/

#ifdef _MSC_VER
#include "stdafx.h"
#else
#include "config.h"
#endif

#include "MessageSorters.h"

#include <string.h>

namespace FIX {
message_order::message_order(int first, ...)
    : m_mode(group),
      m_delim(0),
      m_largest(0) {
  int field = first;
  int size = 0;
  m_largest = m_delim = first;

  va_list arguments;
  va_start(arguments, first);
  while (field != 0) {
    m_largest = m_largest > field ? m_largest : field;

    size++;
    field = va_arg(arguments, int);
  }

  if (size) {
    m_groupOrder = shared_array<int>::create(m_largest + 1);

    va_start(arguments, first);
    field = first;
    int i = 0;
    while (field != 0) {
      m_groupOrder[field] = ++i;
      field = va_arg(arguments, int);
    }
  } else {
    m_largest = 0;
    m_delim = 0;
  }

  va_end(arguments);
}

message_order::message_order(const int order[])
    : m_mode(group),
      m_delim(0),
      m_largest(0) {
  int size = 0;
  while (order[size] != 0) {
    ++size;
  }
  setOrder(order, size);
}

message_order::message_order(const int order[], int size)
    : m_mode(group),
      m_delim(0),
      m_largest(0) {
  setOrder(order, size);
}

void message_order::setOrder(const int order[], int size) {
  if (size < 1) {
    return;
  }
  m_largest = m_delim = order[0];

  // collect all fields and find the largest field number
  for (int i = 1; i < size; ++i) {
    int field = order[i];
    m_largest = m_largest > field ? m_largest : field;
  }

  m_groupOrder = shared_array<int>::create(m_largest + 1);
  for (int i = 0; i < size; ++i) {
    m_groupOrder[order[i]] = i + 1;
  }
}
} // namespace FIX