Exiv2::ExifKey::Impl Struct Reference

Internal Pimpl structure with private members and data of class ExifKey. More...

Public Member Functions
Manipulators
void	makeKey (uint16_t tag, IfdId ifdId, const TagInfo *tagInfo)
	Set the key corresponding to the tag, ifdId and tagInfo. The key is of the form 'Exif.groupName.tagName'.
void	decomposeKey (const std::string &key)
	Parse and convert the key string into tag and IFD Id. Updates data members if the string can be decomposed, or throws Error .

Accessors
static constexpr auto	familyName_ = "Exif"
	"Exif"
const TagInfo *	tagInfo_ {}
	Tag info.
uint16_t	tag_ {0}
	Tag value.
IfdId	ifdId_ {IfdId::ifdIdNotSet}
	The IFD associated with this tag.
int	idx_ {0}
	Unique id of the Exif key in the image.
std::string	groupName_
	The group name.
std::string	key_
	Key
std::string	tagName () const
	Return the name of the tag.

Detailed Description

Internal Pimpl structure with private members and data of class ExifKey.

Member Function Documentation

decomposeKey()

void Exiv2::ExifKey::Impl::decomposeKey

(

const std::string &

key

)

Parse and convert the key string into tag and IFD Id. Updates data members if the string can be decomposed, or throws Error .

Exceptions

Error

if the key cannot be decomposed.

References Exiv2::Error::Error(), Exiv2::ExifKey::familyName(), familyName_, Exiv2::Internal::groupId(), Exiv2::ExifKey::groupName(), groupName_, Exiv2::ExifKey::ifdId(), ifdId_, Exiv2::Internal::isExifIfd(), Exiv2::Internal::isMakerIfd(), Exiv2::ExifKey::key(), key_, Exiv2::ExifKey::tag(), tag_, Exiv2::Internal::tagInfo(), tagInfo_, tagName(), and Exiv2::Internal::tagNumber().

makeKey()

void Exiv2::ExifKey::Impl::makeKey	(	uint16_t	tag,
		IfdId	ifdId,
		const TagInfo *	tagInfo )

Set the key corresponding to the tag, ifdId and tagInfo. The key is of the form 'Exif.groupName.tagName'.

References familyName_, groupName_, Exiv2::ExifKey::ifdId(), ifdId_, key_, Exiv2::ExifKey::tag(), tag_, Exiv2::Internal::tagInfo(), tagInfo_, and tagName().

tagName()

std::string Exiv2::ExifKey::Impl::tagName ( ) const

nodiscard

Return the name of the tag.

References Exiv2::TagInfo::name_, tag_, Exiv2::TagInfo::tag_, and tagInfo_.

Referenced by decomposeKey(), and makeKey().

Member Data Documentation

familyName_

auto Exiv2::ExifKey::Impl::familyName_ = "Exif"

staticconstexpr

"Exif"

Referenced by decomposeKey(), Exiv2::ExifKey::familyName(), and makeKey().

groupName_

std::string Exiv2::ExifKey::Impl::groupName_

The group name.

Referenced by decomposeKey(), and makeKey().

idx_

int Exiv2::ExifKey::Impl::idx_ {0}

Unique id of the Exif key in the image.

Referenced by Exiv2::ExifKey::setIdx().

ifdId_

IfdId Exiv2::ExifKey::Impl::ifdId_ {IfdId::ifdIdNotSet}

The IFD associated with this tag.

Referenced by decomposeKey(), and makeKey().

key_

std::string Exiv2::ExifKey::Impl::key_

Key

Referenced by decomposeKey(), and makeKey().

tag_

uint16_t Exiv2::ExifKey::Impl::tag_ {0}

Tag value.

Referenced by decomposeKey(), makeKey(), and tagName().

tagInfo_

const TagInfo* Exiv2::ExifKey::Impl::tagInfo_ {}

Tag info.

Referenced by decomposeKey(), makeKey(), and tagName().

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The documentation for this struct was generated from the following file:

• tags.cpp