exiv2/src/tifffwd_int.hpp

// SPDX-License-Identifier: GPL-2.0-or-later

#ifndef TIFFFWD_INT_HPP_
#define TIFFFWD_INT_HPP_

// *****************************************************************************
// included header files
#include "tags_int.hpp"
#include "types.hpp"

// + standard includes
#include <functional>
#include <stack>

// *****************************************************************************
// Exiv2 namespace extensions
namespace Exiv2 {
class Exifdatum;

namespace Internal {
class TiffHeaderBase;
class TiffComponent;
class TiffEntryBase;
class TiffEntry;
class TiffDataEntry;
class TiffSizeEntry;
class TiffDirectory;
class TiffSubIfd;
class TiffMnEntry;
class TiffBinaryArray;
class TiffBinaryElement;

class TiffIfdMakernote;
class MnHeader;

class TiffVisitor;
class TiffFinder;
class TiffDecoder;
class TiffEncoder;
class TiffReader;

class TiffRwState;
class TiffPathItem;
struct TiffMappingInfo;

class IoWrapper;
class OffsetWriter;

// *****************************************************************************
// type definitions

/*!
  @brief Function pointer type for a TiffDecoder member function
         to decode a TIFF component.
 */
using DecoderFct = void (TiffDecoder::*)(const TiffEntryBase*);
/*!
  @brief Function pointer type for a TiffDecoder member function
         to decode a TIFF component.
 */
using EncoderFct = void (TiffEncoder::*)(TiffEntryBase*, const Exifdatum*);
/*!
  @brief Type for a function pointer for a function to decode a TIFF component.
 */
using FindDecoderFct = std::function<DecoderFct(const std::string& make, uint32_t extendedTag, IfdId group)>;
/*!
  @brief Type for a function pointer for a function to encode a TIFF component.
 */
using FindEncoderFct = std::function<EncoderFct(const std::string& make, uint32_t extendedTag, IfdId group)>;
/*!
  @brief Type for a function pointer for a function to create a TIFF component.
         Use TiffComponent::UniquePtr, it is not used in this declaration only
         to reduce dependencies.
 */
using NewTiffCompFct = std::function<std::unique_ptr<TiffComponent>(uint16_t tag, IfdId group)>;

//! Stack to hold a path from the TIFF root element to a TIFF entry
using TiffPath = std::stack<TiffPathItem>;

//! Type for a list of primary image groups
using PrimaryGroups = std::vector<IfdId>;
}  // namespace Internal
}  // namespace Exiv2

#endif  // #ifndef TIFFFWD_INT_HPP_