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LibPDF: Implement reading of CFF String Index
Only really useful for reading SIDs in the Top DICT (copyright text etc), which we currently don't do. I haven't seen a difference from looking things up in the string table. The only real effect from the commit that I need is that it pulls a local resolve() labmda into a real function resolve_sid(), which I want to call in a future commit. But it makes things more spec-compliant, and if we ever want to read SIDs in metadata in the future, now we can.
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2 changed files with 32 additions and 14 deletions
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@ -85,9 +85,12 @@ public:
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template<typename OperatorT>
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static PDFErrorOr<OperatorT> parse_dict_operator(u8, Reader&);
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static PDFErrorOr<Vector<StringView>> parse_strings(Reader&);
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static PDFErrorOr<Vector<CFF::Glyph>> parse_charstrings(Reader&&, Vector<ByteBuffer> const& subroutines);
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static PDFErrorOr<Vector<DeprecatedFlyString>> parse_charset(Reader&&, size_t);
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static DeprecatedFlyString resolve_sid(SID, Vector<StringView> const&);
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static PDFErrorOr<Vector<DeprecatedFlyString>> parse_charset(Reader&&, size_t, Vector<StringView> const&);
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static PDFErrorOr<Vector<u8>> parse_encoding(Reader&&);
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};
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