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LibPDF: Load destinations from Catalogue -> Names -> Dests name tree

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PDF allows for named destinations to be provided as string. These can be
either found in the Dests dictionary in the document catalogue (as
already implemented), or in the Name Tree specified by the Dests key in
the Names dictionary of the document catalogue (missing).

This commit adds this missing case. Once the named destination is found
in the name tree, its value is interpreted just like in the first case,
so a new utility method encapsulates the common behavior.
This commit is contained in:
Rodrigo Tobar 2023-01-06 00:41:44 +08:00 • committed by Andreas Kling
parent 5420261347
commit a5620fd41f
2 changed files with 25 additions and 10 deletions
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Userland/Libraries/LibPDF/Document.h
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@ -136,6 +136,7 @@ private:
PDFErrorOr<NonnullRefPtrVector<OutlineItem>> build_outline_item_chain(Value const& first_ref, HashMap<u32, u32> const&);
PDFErrorOr<Destination> create_destination_from_parameters(NonnullRefPtr<ArrayObject>, HashMap<u32, u32> const&);
PDFErrorOr<Destination> create_destination_from_dictionary_entry(NonnullRefPtr<Object> const& entry, HashMap<u32, u32> const& page_number_by_index_ref);
PDFErrorOr<NonnullRefPtr<Object>> get_inheritable_object(FlyString const& name, NonnullRefPtr<DictObject>);