/* -*- Mode: C++; c-default-style: "k&r"; indent-tabs-mode: nil; tab-width: 2; c-basic-offset: 2 -*- */

/* libmwaw

* Version: MPL 2.0 / LGPLv2+

*

* The contents of this file are subject to the Mozilla Public License Version

* 2.0 (the "License"); you may not use this file except in compliance with

* the License or as specified alternatively below. You may obtain a copy of

* the License at http://www.mozilla.org/MPL/

*

* Software distributed under the License is distributed on an "AS IS" basis,

* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License

* for the specific language governing rights and limitations under the

* License.

*

* Major Contributor(s):

* Copyright (C) 2002 William Lachance (wrlach@gmail.com)

* Copyright (C) 2002,2004 Marc Maurer (uwog@uwog.net)

* Copyright (C) 2004-2006 Fridrich Strba (fridrich.strba@bluewin.ch)

* Copyright (C) 2006, 2007 Andrew Ziem

* Copyright (C) 2011, 2012 Alonso Laurent (alonso@loria.fr)

*

*

* All Rights Reserved.

*

* 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 or later (the "LGPLv2+"),

* in which case the provisions of the LGPLv2+ are applicable

* instead of those above.

*/

#include <algorithm>

#include <cstring>

#include <iomanip>

#include <iostream>

#include <limits>

#include <map>

#include <sstream>

#include <librevenge/librevenge.h>

#include "MWAWSpreadsheetListener.hxx"

#include "MWAWHeader.hxx"

#include "MWAWPosition.hxx"

#include "MWAWSubDocument.hxx"

#include "RagTime5Document.hxx"

#include "RagTime5StructManager.hxx"

#include "RagTime5SSParser.hxx"

/** Internal: the structures of a RagTime5SSParser */

namespace RagTime5SSParserInternal

{

////////////////////////////////////////

//! Internal: the state of a RagTime5SSParser

struct State {

  //! constructor

  State()

    : m_actPage(0)

    , m_numPages(0)

  {

  }

  int m_actPage /** the actual page */, m_numPages /** the number of page of the final document */;

};

////////////////////////////////////////

//! Internal: the subdocument of a RagTime5SSParser

class SubDocument final : public MWAWSubDocument

{

public:

  SubDocument(RagTime5SSParser &pars, MWAWInputStreamPtr const &input, int zoneId, MWAWPosition const &pos=MWAWPosition())

    : MWAWSubDocument(&pars, input, MWAWEntry())

    , m_id(zoneId)

    , m_position(pos) {}

  //! destructor

  ~SubDocument() final {}

  //! operator!=

  bool operator!=(MWAWSubDocument const &doc) const final

  {

    if (MWAWSubDocument::operator!=(doc)) return true;

    auto const *sDoc = dynamic_cast<SubDocument const *>(&doc);

    if (!sDoc) return true;

    if (m_id != sDoc->m_id) return true;

    return false;

  }

  //! the parser function

  void parse(MWAWListenerPtr &listener, libmwaw::SubDocumentType type) final;

protected:

  //! the subdocument id

  int m_id;

  //! the subdocument position if defined

  MWAWPosition m_position;

};

void SubDocument::parse(MWAWListenerPtr &listener, libmwaw::SubDocumentType)

{

  if (!listener.get()) {

    MWAW_DEBUG_MSG(("RagTime5SSParserInternal::SubDocument::parse: no listener\n"));

    return;

  }

  if (m_id == -1) { // a number used to send linked frame

    listener->insertChar(' ');

    return;

  }

  if (m_id == 0) {

    MWAW_DEBUG_MSG(("RagTime5SSParserInternal::SubDocument::parse: unknown zone\n"));

    return;

  }

  if (!m_parser) {

    MWAW_DEBUG_MSG(("RagTime5SSParserInternal::SubDocument::parse: can not find the parser\n"));

    return;

  }

  MWAW_DEBUG_MSG(("RagTime5SSParserInternal::SubDocument::parse: not implemented\n"));

  //static_cast<RagTime5SSParser *>(m_parser)->m_document->sendZone(m_id, listener, m_position);

}

}

////////////////////////////////////////////////////////////

// constructor/destructor, ...

////////////////////////////////////////////////////////////

RagTime5SSParser::RagTime5SSParser(MWAWInputStreamPtr const &input, MWAWRSRCParserPtr const &rsrcParser, MWAWHeader *header)

  : MWAWSpreadsheetParser(input, rsrcParser, header)

  , m_state()

  , m_document()

{

  init();

}

RagTime5SSParser::~RagTime5SSParser()

{

}

void RagTime5SSParser::init()

{

  resetSpreadsheetListener();

  setAsciiName("main-1");

  m_state.reset(new RagTime5SSParserInternal::State);

  m_document.reset(new RagTime5Document(*this));

  m_document->m_sendFootnote=static_cast<RagTime5Document::SendFootnote>(&RagTime5SSParser::sendFootnote);

  // reduce the margin (in case, the page is not defined)

  getPageSpan().setMargins(0.1);

}

////////////////////////////////////////////////////////////

// interface with the different parser

////////////////////////////////////////////////////////////

void RagTime5SSParser::sendFootnote(int zoneId)

{

  if (!getSpreadsheetListener()) return;

  MWAWSubDocumentPtr subdoc(new RagTime5SSParserInternal::SubDocument(*this, getInput(), zoneId));

  getSpreadsheetListener()->insertNote(MWAWNote(MWAWNote::FootNote), subdoc);

}

bool RagTime5SSParser::checkHeader(MWAWHeader *header, bool strict)

{

  *m_state = RagTime5SSParserInternal::State();

  if (!m_document->checkHeader(header, strict))

    return false;

  return getParserState()->m_kind==MWAWDocument::MWAW_K_SPREADSHEET;

}

////////////////////////////////////////////////////////////

// the parser

////////////////////////////////////////////////////////////

void RagTime5SSParser::parse(librevenge::RVNGSpreadsheetInterface *docInterface)

{

  if (!getInput().get() || !checkHeader(nullptr))  throw(libmwaw::ParseException());

  bool ok = true;

  try {

    // create the asciiFile

    ascii().setStream(getInput());

    ascii().open(asciiName());

    checkHeader(nullptr);

    ok = m_document->createZones();

    if (ok) {

      createDocument(docInterface);

      m_document->sendSpreadsheet(getMainListener());

#ifdef DEBUG

      m_document->flushExtra(getMainListener(), true);

#endif

    }

    ascii().reset();

  }

  catch (...) {

    MWAW_DEBUG_MSG(("RagTime5SSParser::parse: exception catched when parsing\n"));

    ok = false;

  }

  resetSpreadsheetListener();

  if (!ok) throw(libmwaw::ParseException());

}

////////////////////////////////////////////////////////////

// create the document

////////////////////////////////////////////////////////////

void RagTime5SSParser::createDocument(librevenge::RVNGSpreadsheetInterface *documentInterface)

{

  if (!documentInterface) return;

  if (getSpreadsheetListener()) {

    MWAW_DEBUG_MSG(("RagTime5SSParser::createDocument: listener already exist\n"));

    return;

  }

  // update the page

  m_state->m_actPage = 0;

  m_state->m_numPages = 1;

  // create the page list

  std::vector<MWAWPageSpan> pageList;

  m_document->updatePageSpanList(pageList);

  //

  MWAWSpreadsheetListenerPtr listen(new MWAWSpreadsheetListener(*getParserState(), pageList, documentInterface));

  setSpreadsheetListener(listen);

  listen->setDocumentMetaData(m_document->getDocumentMetaData());

  listen->startDocument();

}

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