/* -*- 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 <iomanip>

#include <iostream>

#include "RagTimeStruct.hxx"

namespace RagTimeStruct

{

bool ResourceList::read(MWAWInputStreamPtr input, MWAWEntry &entry)

{

  long pos=entry.begin();

  if (pos<=0 || !input->checkPosition(pos+2))

    return false;

  entry.setParsed(true);

  input->seek(pos, librevenge::RVNG_SEEK_SET);

  auto dSz=static_cast<int>(input->readULong(2));

  m_headerPos=pos+2;

  if (dSz==0)

    return true;

  m_endPos=pos+2+dSz;

  m_headerSize=static_cast<int>(input->readULong(2));

  m_dataSize=static_cast<int>(input->readULong(2));

  m_dataNumber=static_cast<int>(input->readULong(2));

  if (m_headerSize<0x20 || dSz<m_headerSize+long(m_dataNumber+1)*m_dataSize || !input->checkPosition(m_endPos))

    return false;

  libmwaw::DebugStream f;

  int unkn[3];

  for (auto &u : unkn) u=static_cast<int>(input->readLong(2));

  bool printUnknown=true;

  /* try to use the first value to retrieve the type of the zone */

  switch (unkn[0]) {

  case 0:

    if (m_dataSize==6 && unkn[1]==2 && unkn[2]==4) {

      m_type=gray;

      printUnknown=false;

    }

    else if (entry.type()=="rsrcgray")

      m_type=gray;

    break;

  case 6:

    if (m_dataSize==10 && unkn[1]==4 && unkn[2]==0) {

      m_type=SpTe;

      printUnknown=false;

    }

    else if (entry.type()=="rsrcSpTe")

      m_type=SpTe;

    break;

  case 8:

    if (m_dataSize==12 && unkn[1]==4 && unkn[2]==0) {

      m_type=SpVa;

      printUnknown=false;

    }

    else if (entry.type()=="rsrcSpVa")

      m_type=SpVa;

    break;

  case 16:

    if (m_dataSize==20 && unkn[1]==4 && unkn[2]==0) {

      m_type=SpBo;

      printUnknown=false;

    }

    else if (entry.type()=="rsrcSpBo")

      m_type=SpBo;

    break;

  case 22:

    if (m_dataSize==26 && unkn[1]==4 && unkn[2]==0) {

      m_type=BuGr;

      printUnknown=false;

    }

    else if (entry.type()=="rsrcBuGr")

      m_type=BuGr;

    break;

  case 4:

    if (m_dataSize==8 && unkn[1]==4 && unkn[2]==0) {

      m_type=SpCe;

      printUnknown=false;

      break;

    }

    if (m_dataSize==10 && unkn[1]==4 && unkn[2]==0) { // find also with unkn[1]==0

      m_type=SpDE;

      printUnknown=false;

      break;

    }

    // (m_dataSize==6 && unkn[1]==4 && unkn[2]==2) can be BuSl, colr, res_

    if (entry.type()=="rsrcSpCe")

      m_type=SpCe;

    else if (entry.type()=="rsrcSpDE")

      m_type=SpDE;

    else if (entry.type()=="rsrcBuSl")

      m_type=BuSl;

    else if (entry.type()=="rsrccolr")

      m_type=colr;

    else if (entry.type()=="rsrcres_")

      m_type=res_;

    break;

  default:

    break;

  }

  if (printUnknown) {

    f << "unkn=[";

    for (auto u : unkn) f << u << ",";

    f << "],";

  }

  for (int i=0; i<9; ++i) { // g3=3|5|7,g4=-1|-2|9

    auto val=static_cast<int>(input->readLong(2));

    if (val) f << "g" << i << "=" << val << ",";

  }

  auto subN=static_cast<int>(input->readLong(2));

  if (m_headerSize!=0x20+subN*6) {

    MWAW_DEBUG_MSG(("RagTimeStruct::ResourceList::read: the number of sub data seems bad\n"));

    f << "##subN=" << subN << ",";

    subN=0;

  }

  for (int i=0; i<subN; ++i) {

    f << "unkn" << i << "=[";

    // first always 0, second d|17|21|35|49|67|71|85|a3, last increasing index

    for (int j=0; j<3; ++j) {

      auto val=static_cast<int>(input->readLong(2));

      if (val) f << val << ",";

      else f << "_,";

    }

    f << "],";

  }

  m_extra=f.str();

  m_dataPos=pos+2+m_headerSize;

  return true;

}

std::ostream &operator<<(std::ostream &o, ResourceList const &zone)

{

  o << "type=" << ResourceList::getName(zone.m_type) << ",";

  if (zone.m_headerSize)

    o << "sz[header]=" << zone.m_headerSize << ",";

  if (zone.m_dataNumber)

    o << "N[data]=" << zone.m_dataNumber << ",sz[data]=" << zone.m_dataSize << ",";

  o << zone.m_extra;

  return o;

}

}

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