/*
 * Copyright (C) 2020-2021 Veloman Yunkan
 * Copyright (C) 2018-2020 Matthieu Gautier <mgautier@kymeria.fr>
 * Copyright (C) 2006 Tommi Maekitalo
 *
 * 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; either version 2 of the
 * License, or (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful, but
 * is provided AS IS, WITHOUT ANY WARRANTY; without even the implied
 * warranty of MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, and
 * NON-INFRINGEMENT.  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, write to the Free Software
 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301 USA
 *
 */

#ifndef ZIM_ZIM_H
#define ZIM_ZIM_H

#include <cstdint>

#ifdef __GNUC__
  #define DEPRECATED __attribute__( ( deprecated ) )
#elif defined( _MSC_VER )
  #define DEPRECATED __declspec( deprecated )
#else
  #praga message( "WARNING: You need to implement DEPRECATED for this compiler" )
  #define DEPRECATED
#endif

#include <zim/zim_config.h>

#if defined( LIBZIM_DLL ) && defined( LIBZIM_BUILDING_LIBRARY )
  #define LIBZIM_API __declspec( dllexport )
#elif defined( LIBZIM_DLL )
  #define LIBZIM_API __declspec( dllimport )
#else
  #define LIBZIM_API
#endif

namespace zim {
// An index of an entry (in a zim file)
typedef uint32_t entry_index_type;

// An index of an cluster (in a zim file)
typedef uint32_t cluster_index_type;

// An index of a blog (in a cluster)
typedef uint32_t blob_index_type;

// The size of something (entry, zim, cluster, blob, ...)
typedef uint64_t size_type;

// An offset.
typedef uint64_t offset_type;

enum class Compression {
  None = 1,

  // intermediate values correspond to compression
  // methods that are no longer supported

  Zstd = 5
};

static const char MimeHtmlTemplate[] = "text/x-zim-htmltemplate";

/**
   * Various types of integrity checks performed by `zim::validate()`.
   */
enum class IntegrityCheck {
  /**
     * Validates the checksum of the ZIM file.
     */
  CHECKSUM,

  /**
     * Checks that offsets in UrlPtrList are valid.
     */
  DIRENT_PTRS,

  /**
     * Checks that dirents are properly sorted.
     */
  DIRENT_ORDER,

  /**
     * Checks that entries in the title index are valid and properly sorted.
     */
  TITLE_INDEX,

  /**
     * Checks that offsets in ClusterPtrList are valid.
     */
  CLUSTER_PTRS,

  /**
     * Checks that mime-type values in dirents are valid.
     */
  DIRENT_MIMETYPES,

  ////////////////////////////////////////////////////////////////////////////
  // End of integrity check types.
  // COUNT must be the last one and denotes the count of all checks
  ////////////////////////////////////////////////////////////////////////////

  /**
     * `COUNT` is not a valid integrity check type. It exists to tell the
     * number of all supported integrity checks.
     */
  COUNT
};
} // namespace zim

#endif // ZIM_ZIM_H