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

/* libwps

 * 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) 2006, 2007 Andrew Ziem

 * Copyright (C) 2003-2005 William Lachance (william.lachance@sympatico.ca)

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

 *

 * 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.

 */

#ifndef WKS4_FORMAT_H

#define WKS4_FORMAT_H

#include <ostream>

#include <vector>

#include <librevenge-stream/librevenge-stream.h>

#include "libwps_internal.h"

#include "WPSDebug.h"

#include "WKSContentListener.h"

namespace WKS4FormatInternal

{

class Cell;

class Format;

struct State;

}

class WKS4Parser;

/**

 * This class parses Lotus format file

 *

 */

class WKS4Format

{

public:

  friend class WKS4Parser;

  //! constructor

  explicit WKS4Format(WKS4Parser &parser, RVNGInputStreamPtr const &input);

  //! destructor

  ~WKS4Format();

  //! try to parse an input

  bool parse();

protected:

  //! return true if the pos is in the file, update the file size if need

  bool checkFilePosition(long pos);

  //

  // low level

  //

  //////////////////////// format zone //////////////////////////////

  //! checks if the document header is correct (or not)

  bool checkHeader(bool strict=false);

  /** finds the different zones */

  bool readZones();

  //! reads a zone

  bool readZone();

  //! reads a format font name: zones 0xae

  bool readFontName();

  //! reads a format font sizes zones 0xaf and 0xb1

  bool readFontSize();

  //! reads a format font id zone: 0xb0

  bool readFontId();

private:

  WKS4Format(WKS4Format const &orig) = delete;

  WKS4Format &operator=(WKS4Format const &orig) = delete;

  //! returns the debug file

  libwps::DebugFile &ascii()

  {

    return m_asciiFile;

  }

  /** the input */

  RVNGInputStreamPtr m_input;

  //! the main parser

  WKS4Parser &m_mainParser;

  //! the internal state

  std::shared_ptr<WKS4FormatInternal::State> m_state;

  //! the ascii file

  libwps::DebugFile m_asciiFile;

};

#endif /* WPS4_H */

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