RagTime5ClusterManager.hxx

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/* -*- 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.
*/

#ifndef RAG_TIME_5_ZONE_MANAGER
#  define RAG_TIME_5_ZONE_MANAGER

#include <map>
#include <ostream>
#include <sstream>
#include <string>
#include <vector>

#include "libmwaw_internal.hxx"
#include "MWAWDebug.hxx"
#include "MWAWEntry.hxx"

#include "RagTime5StructManager.hxx"

class RagTime5Parser;
class RagTime5StructManager;

namespace RagTime5ClusterManagerInternal
{
struct State;
}

class RagTime5ClusterManager
{
public:
  struct Link;

  struct Cluster;
  struct ClusterRoot;
  struct ClusterParser;

  friend struct ClusterParser;

  RagTime5ClusterManager(RagTime5Parser &parser);
  ~RagTime5ClusterManager();

  bool readCluster(RagTime5Zone &zone, ClusterParser &parser, bool warnForUnparsed=true);
  bool readCluster(RagTime5Zone &zone, shared_ptr<Cluster> &cluster, int type=-1);
  bool readClusterMainList(ClusterRoot &root, std::vector<int> &list, std::vector<int> const &clusterIdList);

  bool readFieldClusters(Link const &link);
  bool readUnknownClusterC(Link const &link);
  int getClusterFileType(RagTime5Zone &zone);
  int getClusterType(RagTime5Zone &zone, int fileType);
  bool getClusterBasicHeaderInfo(RagTime5Zone &zone, long &N, long &fSz, long &debHeaderPos);

  // low level

  bool readFieldHeader(RagTime5Zone &zone, long endPos, std::string const &headerName, long &endDataPos, long expectedLVal=-99999);
  std::string getClusterName(int id);

  struct Link {
    enum Type { L_ClusterLink,
                L_LinkDef,
                L_LongList, L_UnicodeList,
                L_FieldsList, L_List,
                L_UnknownClusterC,
                L_Unknown
              };
    Link(Type type=L_Unknown) : m_type(type), m_name(""), m_ids(), m_N(0), m_fieldSize(0), m_longList()
    {
      for (int i=0; i<2; ++i)
        m_fileType[i]=0;
    }
    bool empty() const
    {
      if (m_type==L_LongList && !m_longList.empty())
        return false;
      for (size_t i=0; i<m_ids.size(); ++i)
        if (m_ids[i]>0) return false;
      return true;
    }
    std::string getZoneName() const
    {
      switch (m_type) {
      case L_ClusterLink:
        return "clustLink";
      case L_LinkDef:
        return "linkDef";
      case L_LongList:
        if (!m_name.empty())
          return m_name;
        else {
          std::stringstream s;
          s << "longList" << m_fieldSize;
          return s.str();
        }
      case L_UnicodeList:
        return "unicodeListLink";
      case L_UnknownClusterC:
        return "unknownClusterC";
      case L_FieldsList:
        if (!m_name.empty())
          return m_name;
        return "fieldsList[unkn]";
      case L_List:
        if (!m_name.empty())
          return m_name;
        break;
      case L_Unknown:
      default:
        break;
      }
      std::stringstream s;
      if (m_type==L_List)
        s << "ListZone";
      else
        s << "FixZone";
      s << std::hex << m_fileType[0] << "_" << m_fileType[1] << std::dec;
      if (m_fieldSize)
        s << "_" << m_fieldSize;
      s << "A";
      return s.str();
    }
    friend std::ostream &operator<<(std::ostream &o, Link const &z)
    {
      if (z.empty()) return o;
      o << z.getZoneName() << ":";
      size_t numLinks=z.m_ids.size();
      if (numLinks>1) o << "[";
      for (size_t i=0; i<numLinks; ++i) {
        if (z.m_ids[i]<=0)
          o << "_";
        else
          o << "data" << z.m_ids[i] << "A";
        if (i+1!=numLinks) o << ",";
      }
      if (numLinks>1) o << "]";
      if (z.m_fieldSize&0x8000)
        o << "[" << std::hex << z.m_fieldSize << std::dec << ":" << z.m_N << "]";
      else
        o << "[" << z.m_fieldSize << ":" << z.m_N << "]";
      return o;
    }
    Type m_type;
    std::string m_name;
    std::vector<int> m_ids;
    int m_N;
    int m_fieldSize;
    long m_fileType[2];
    std::vector<long> m_longList;
  };

  // cluster classes

  struct Cluster {
    Cluster() : m_type(C_Unknown), m_zoneId(0), m_hiLoEndian(true), m_dataLink(), m_nameLink(), m_fieldClusterLink(),
      m_conditionFormulaLinks(), m_settingLinks(), m_linksList(), m_clusterIdsList()
    {
    }
    virtual ~Cluster() {}
    enum Type {
      C_ColorPattern, C_Fields, C_Layout, C_Pipeline,
      C_Root, C_Script,

      // the styles
      C_ColorStyles, C_FormatStyles, C_GraphicStyles, C_TextStyles, C_UnitStyles,
      // unknown clusters
      C_ClusterB, C_ClusterC,

      C_Unknown
    };
    Type m_type;
    int m_zoneId;
    bool m_hiLoEndian;
    Link m_dataLink;
    Link m_nameLink;
    Link m_fieldClusterLink;
    std::vector<Link> m_conditionFormulaLinks;
    std::vector<Link> m_settingLinks;
    std::vector<Link> m_linksList;
    std::vector<int> m_clusterIdsList;
  };

  struct ClusterLayout : public Cluster {
    ClusterLayout() : Cluster(), m_zoneDimensions(), m_pipelineLink(), m_listItemLink()
    {
    }
    virtual ~ClusterLayout() {}
    std::vector<MWAWVec2f> m_zoneDimensions;
    Link m_pipelineLink;
    Link m_listItemLink;
  };

  struct ClusterRoot : public Cluster {
    ClusterRoot() : Cluster(), m_graphicTypeLink(), m_docInfoLink(),
      m_listClusterId(0), m_listClusterName(), m_linkUnknown(), m_fileName("")
    {
      for (int i=0; i<8; ++i) m_styleClusterIds[i]=0;
      for (int i=0; i<1; ++i) m_clusterIds[i]=0;
    }
    virtual ~ClusterRoot() {}
    int m_styleClusterIds[8];

    int m_clusterIds[1];

    Link m_graphicTypeLink;

    Link m_docInfoLink;

    int m_listClusterId;
    Link m_listClusterName;
    Link m_listClusterLink[2];

    Link m_linkUnknown;

    librevenge::RVNGString m_fileName;
  };

  struct ClusterScript : public Cluster {
    ClusterScript() : Cluster(), m_scriptComment(), m_scriptName("")
    {
    }
    virtual ~ClusterScript() {}
    Link m_scriptComment;
    librevenge::RVNGString m_scriptName;
  };

  // parser class

  struct ClusterParser {
    ClusterParser(RagTime5ClusterManager &parser, int type, std::string const &zoneName) :
      m_parser(parser), m_type(type), m_hiLoEndian(true), m_name(zoneName), m_dataId(0), m_link()
    {
    }
    virtual ~ClusterParser() {}
    virtual shared_ptr<Cluster> getCluster()=0;
    virtual std::string getZoneName() const
    {
      return m_name;
    }
    virtual std::string getZoneName(int n, int m=-1) const
    {
      std::stringstream s;
      s << m_name << "-" << n;
      if (m>=0)
        s << "-B" << m;
      return s.str();
    }
    virtual void startZone()
    {
    }
    virtual bool parseZone(MWAWInputStreamPtr &/*input*/, long /*fSz*/, int /*N*/, int /*flag*/, libmwaw::DebugStream &/*f*/)
    {
      return false;
    }
    virtual void endZone()
    {
    }
    virtual bool parseField(RagTime5StructManager::Field const &/*field*/, int /*m*/, libmwaw::DebugStream &/*f*/)
    {
      return false;
    }

    //
    // some tools
    //

    bool isANameHeader(long N) const
    {
      return (m_hiLoEndian && N==int(0x80000000)) || (!m_hiLoEndian && N==0x8000);
    }

    bool readLinkHeader(MWAWInputStreamPtr &input, long fSz, Link &link, long(&values)[4], std::string &message);
    std::string getClusterName(int id);
    RagTime5ClusterManager &m_parser;
    int m_type;
    bool m_hiLoEndian;
    std::string m_name;
    int m_dataId;
    Link m_link;
  private:
    ClusterParser(ClusterParser const &orig);
    ClusterParser &operator=(ClusterParser const &orig);
  };
protected:
  shared_ptr<RagTime5ClusterManagerInternal::State> m_state;
  RagTime5Parser &m_mainParser;
  shared_ptr<RagTime5StructManager> m_structManager;
private:
  RagTime5ClusterManager(RagTime5ClusterManager const &orig);
  RagTime5ClusterManager operator=(RagTime5ClusterManager const &orig);
};

#endif
// vim: set filetype=cpp tabstop=2 shiftwidth=2 cindent autoindent smartindent noexpandtab: