/* -*- 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 QUATTRO_DOS_SPREADSHEET_H

#define QUATTRO_DOS_SPREADSHEET_H

#include <ostream>

#include <map>

#include <vector>

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

#include "libwps_internal.h"

#include "WPSDebug.h"

#include "WKSContentListener.h"

namespace QuattroDosSpreadsheetInternal

{

class Cell;

class SpreadSheet;

struct State;

}

class QuattroDosParser;

/**

 * This class parses Quattro Pro DOS spreadsheet file

 *

 */

class QuattroDosSpreadsheet

{

public:

  friend class QuattroDosParser;

  //! constructor

  explicit QuattroDosSpreadsheet(QuattroDosParser &parser);

  //! destructor

  ~QuattroDosSpreadsheet();

  //! sets the listener

  void setListener(WKSContentListenerPtr &listen)

  {

    m_listener = listen;

  }

protected:

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

  bool checkFilePosition(long pos);

  //! return the file version

  int version() const;

  //! returns the number of spreadsheet

  int getNumSpreadsheets() const;

  //! returns the name of the id's spreadsheet

  librevenge::RVNGString getSheetName(int id) const;

  //! send the sId'th spreadsheet

  void sendSpreadsheet(int sId, std::map<Vec2i,Vec2i> const &chartCellMap);

  //! send the cell data

  void sendCellContent(QuattroDosSpreadsheetInternal::Cell const &cell, int sheetId,

                       int cellChartSheetId=-1, Vec2f const &chartSize=Vec2f());

  //////////////////////// open/close //////////////////////////////

  //! reads a sheet header zone 0:dc (Quattro Pro wq2)

  bool readSpreadsheetOpen();

  //! reads a sheet header zone 0:dd (Quattro Pro wq2)

  bool readSpreadsheetClose();

  //

  // low level

  //

  //////////////////////// spread sheet //////////////////////////////

  //! reads a cell content data

  bool readCell();

  //! reads the result of a text formula

  bool readCellFormulaResult();

  //! reads sheet size

  bool readSheetSize();

  //! reads a sheet name (zone 0xde), unused...

  bool readSpreadsheetName();

  //! reads the column size ( in ??? )

  bool readColumnSize();

  //! reads the column size ( in points )

  bool readRowSize();

  //! reads the list of hidden columns zone ( unused )

  bool readHiddenColumns();

  //! reads a Quattro Pro property (zone 0x9d)

  bool readCellProperty();

  //! reads a Quattro Pro cell styles (zone 0xd8)

  bool readCellStyle();

  //! reads a Quattro Pro style ( zone 0xc9)

  bool readUserStyle();

  /* reads a cell */

  bool readCell(Vec2i actPos, WKSContentListener::FormulaInstruction &instr, bool hasSheetId=false, int sheetId=0);

  /* reads a formula */

  bool readFormula(long endPos, Vec2i const &pos, int sheetId,

                   std::vector<WKSContentListener::FormulaInstruction> &formula, std::string &error);

private:

  QuattroDosSpreadsheet(QuattroDosSpreadsheet const &orig) = delete;

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

  //! returns the debug file

  libwps::DebugFile &ascii()

  {

    return m_asciiFile;

  }

  /** the input */

  RVNGInputStreamPtr m_input;

  std::shared_ptr<WKSContentListener> m_listener; /** the listener (if set)*/

  //! the main parser

  QuattroDosParser &m_mainParser;

  //! the internal state

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

  //! the ascii file

  libwps::DebugFile &m_asciiFile;

};

#endif /* WPS4_H */

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