/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: t; c-basic-offset: 4 -*- */

/* libwpd

 * Version: MPL 2.0 / LGPLv2.1+

 *

 * This Source Code Form is subject to the terms of the Mozilla Public

 * License, v. 2.0. If a copy of the MPL was not distributed with this

 * file, You can obtain one at http://mozilla.org/MPL/2.0/.

 *

 * Major Contributor(s):

 * Copyright (C) 2003 William Lachance (wrlach@gmail.com)

 * Copyright (C) 2003 Marc Maurer (uwog@uwog.net)

 * Copyright (C) 2006 Fridrich Strba (fridrich.strba@bluewin.ch)

 *

 * For minor contributions see the git repository.

 *

 * Alternatively, the contents of this file may be used under the terms

 * of the GNU Lesser General Public License Version 2.1 or later

 * (LGPLv2.1+), in which case the provisions of the LGPLv2.1+ are

 * applicable instead of those above.

 *

 * For further information visit http://libwpd.sourceforge.net

 */

/* "This product is not manufactured, approved, or supported by

 * Corel Corporation or Corel Corporation Limited."

 */

#include "WP1FixedLengthGroup.h"

#include "WP1SuppressPageCharacteristicsGroup.h"

#include "WP1UnsupportedFixedLengthGroup.h"

#include "WP1MarginResetGroup.h"

#include "WP1MarginReleaseGroup.h"

#include "WP1TopMarginGroup.h"

#include "WP1BottomMarginGroup.h"

#include "WP1ExtendedCharacterGroup.h"

#include "WP1PointSizeGroup.h"

#include "WP1LeftIndentGroup.h"

#include "WP1FontIdGroup.h"

#include "WP1LeftRightIndentGroup.h"

#include "WP1JustificationGroup.h"

#include "WP1SpacingResetGroup.h"

#include "WP1CenterTextGroup.h"

#include "WP1FlushRightGroup.h"

#include "WP1FileStructure.h"

#include "libwpd_internal.h"

WP1FixedLengthGroup::WP1FixedLengthGroup(unsigned char group)

  : m_group(group)

{

}

WP1FixedLengthGroup *WP1FixedLengthGroup::constructFixedLengthGroup(librevenge::RVNGInputStream *input, WPXEncryption *encryption, unsigned char group)

{

  switch (group)

  {

  case WP1_MARGIN_RESET_GROUP:

    return new WP1MarginResetGroup(input, encryption, group);

  case WP1_TOP_MARGIN_SET_GROUP:

    return new WP1TopMarginGroup(input, encryption, group);

  case WP1_BOTTOM_MARGIN_SET_GROUP:

    return new WP1BottomMarginGroup(input, encryption, group);

  case WP1_LEFT_INDENT_GROUP:

    return new WP1LeftIndentGroup(input, encryption, group);

  case WP1_SUPPRESS_PAGE_CHARACTERISTICS_GROUP:

    return new WP1SuppressPageCharacteristicsGroup(input, encryption, group);

  case WP1_LEFT_RIGHT_INDENT_GROUP:

    return new WP1LeftRightIndentGroup(input, encryption, group);

  case WP1_FONT_ID_GROUP:

    return new WP1FontIdGroup(input, encryption, group);

  case WP1_MARGIN_RELEASE_GROUP:

    return new WP1MarginReleaseGroup(input, encryption, group);

  case WP1_CENTER_TEXT_GROUP:

    return new WP1CenterTextGroup(input, encryption, group);

  case WP1_FLUSH_RIGHT_GROUP:

    return new WP1FlushRightGroup(input, encryption, group);

  case WP1_EXTENDED_CHARACTER_GROUP:

    return new WP1ExtendedCharacterGroup(input, encryption, group);

  case WP1_POINT_SIZE_GROUP:

    return new WP1PointSizeGroup(input, encryption, group);

  case WP1_JUSTIFICATION_GROUP:

    return new WP1JustificationGroup(input, encryption, group);

  case WP1_SPACING_RESET_GROUP:

    return new WP1SpacingResetGroup(input, encryption, group);

  default:

    // this is an unhandled group, just skip it

    return new WP1UnsupportedFixedLengthGroup(input, encryption, group);

  }

}

void WP1FixedLengthGroup::_read(librevenge::RVNGInputStream *input, WPXEncryption *encryption)

{

  long startPosition = input->tell();

  if (m_group >= 0xC0 && m_group <= 0xFE) // just an extra safety check

  {

    int size = WP1_FUNCTION_GROUP_SIZE[m_group-0xC0];

    if (size == -1)

      return;

    _readContents(input, encryption);

    input->seek((startPosition + size - 2), librevenge::RVNG_SEEK_SET);

    if (m_group != readU8(input, encryption))

    {

      WPD_DEBUG_MSG(("WordPerfect: Possible corruption detected. Bailing out!\n"));

      throw FileException();

    }

  }

  else

    throw FileException();

}

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