/* -*- 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 WPS8_TEXTSTYLE_H

#define WPS8_TEXTSTYLE_H

#include <ostream>

#include <string>

#include <vector>

#include "libwps_internal.h"

#include "WPSDebug.h"

namespace WPS8TextStyleInternal

{

struct State;

}

class WPS8Text;

class WPS8TextStyle

{

  friend class WPS8Text;

public:

  struct FontData;

  explicit WPS8TextStyle(WPS8Text &parser);

  ~WPS8TextStyle();

  //! sets the listener

  void setListener(WPSContentListenerPtr &listen)

  {

    m_listener = listen;

  }

  //! finds all entries which correspond to the styles, parses them and stores data

  bool readStructures();

protected:

  //! reads the font names

  bool readFontNames(WPSEntry const &entry);

  //! reads a font properties

  bool readFont(long endPos, int &id, std::string &mess);

  void sendFont(int fId, FontData &data);

  //! the paragraph

  bool readParagraph(long endPos, int &id, std::string &mess);

  void sendParagraph(int pId);

  /** \brief reads a style sheet zone

    \warning the read data are NOT used*/

  bool readSTSH(WPSEntry const &entry);

  /** \brief parses a SGP zone: style general property ?*/

  bool readSGP(WPSEntry const &entry);

  //----------------------------------------

  // FDP parsing

  //----------------------------------------

  /** finds the FDPC/FDPP structure using the BTEC/BTEP entries

    which == 0 means FDPP, 1 means FDPC */

  bool findFDPStructures(int which, std::vector<WPSEntry> &result);

  /** finds the FDPC/FDPP structure by searching after the text zone

    which == 0 means FDPP, 1 means FDPC */

  bool findFDPStructuresByHand(int which, std::vector<WPSEntry> &result);

protected:

  //! a DebugFile used to write what we recognize when we parse the document

  libwps::DebugFile &ascii()

  {

    return m_asciiFile;

  }

private:

  //! private copy constructor: forbidden

  WPS8TextStyle(WPS8TextStyle const &orig) = delete;

  //! private copy operator: forbidden

  WPS8TextStyle &operator=(WPS8TextStyle const &orig) = delete;

protected:

  //! the main parser

  WPS8Text &m_mainParser;

  //! the main input

  RVNGInputStreamPtr m_input;

  //! the listener

  WPSContentListenerPtr m_listener;

  //! the internal state

  mutable std::shared_ptr<WPS8TextStyleInternal::State> m_state;

  //! the ascii file

  libwps::DebugFile &m_asciiFile;

public:

  struct FontData

  {

    FontData()

      : m_type(T_None)

      , m_fieldType(F_None)

      , m_fieldFormat(0) {}

    //! operator <<

    friend std::ostream &operator<<(std::ostream &o, FontData const &fData);

    //! returns a format to used with strftime

    std::string format() const;

    enum { T_None=0, T_Object=2, T_Footnote=3, T_Endnote=4, T_Field=5, T_Comment=6 };

    /** the main type: footnote, ... */

    int m_type;

    enum { F_None=0, F_PageNumber=-1, F_Date=-4, F_Time=-5 };

    /** the field type: pagenumber, data, time, ... */

    int m_fieldType;

    /** the field format */

    int m_fieldFormat;

  };

protected:

};

#endif /* WPS8_TEXT_H */

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