objective c - Is there a native Cocoa library to parse eBook metadata information? -

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i need metadata info ebook such author, publication date, publisher, plot, etc. formats '.mobi', '.azw', '.azw2', '.azw3', '.epub'.

is there cocoa class that? if not, libraries suggest me?

i think no, formats have xml based metadata formats, use xml parser like.

just unzip file , see inside. example internals of .epub

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