MOBIParser.h

/*
 * Copyright (C) 2026 Yury Bobylev <bobilev_yury@mail.ru>
 *
 * This program is free software: you can redistribute it and/or modify it
 * under the terms of the GNU General Public License as published by the Free
 * Software Foundation, version 3.
 *
 * This program is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
 * more details.
 *
 * You should have received a copy of the GNU General Public License along with
 * this program. If not, see <https://www.gnu.org/licenses/>.
 */
#ifndef MOBIPARSER_H
#define MOBIPARSER_H
 
#include <BaseID.h>
#include <MLBookProc.h>
#include <UDBase.h>

class MOBIParser
{
public:
  MOBIParser(const std::shared_ptr<MLBookProc> &mlbp);

  UDBElement
  parseBook(const std::string &book_content);

  UDBase
  getBookInfo(const std::string &book_content);
 
private:
  std::vector<uint32_t>
  recordsOffsets(const std::string &book_content);
 
  std::string
  getCodePage(const std::string &book_content, const size_t &mobi_offset);
 
  std::string
  getBookTitle(const std::string &book_content, const size_t &mobi_offset);
 
  bool
  exthExists(const std::string &book_content, const size_t &mobi_offset);
 
  size_t
  getMobiHeaderSize(const std::string &book_content,
                    const size_t &mobi_offset);
 
  size_t
  getExthHeaderSize(const std::string &book_content,
                    const size_t &exth_offset);
 
  std::vector<UDBElement>
  parseExth(const std::string &exth_content,
            std::shared_ptr<uint32_t> cover_offset
            = std::shared_ptr<uint32_t>());
 
  UDBElement
  getCover(const std::string &book_content, const size_t &mobi_offset,
           std::shared_ptr<uint32_t> cover_offset,
           const std::vector<uint32_t> &offsets);
 
  std::shared_ptr<MLBookProc> mlbp;
 
  std::string code_page;
 
  BaseID bid;
};
 
#endif // MOBIPARSER_H