[pdf-devel] 'f' field in pdf_obj_t

[Jin Chen-Xin]

I read the comments in src/object/pdf-obj.h and get confused

   Some flags are stored in the 'f' field:

   - Bit 0:     0 => Direct object.  1 => Indirect object.
   - Bits 15..1: Type of the object:
     + 0 => Null.
     + 1 => Boolean.
     + 2 => Integer.
     + 3 => Real.
     + 4 => Name.
     + 5 => String.
     + 6 => Array.
     + 7 => Dictionary.
     + 8 => Stream.
   - Bits 31..16: Unused.

Does it means 
if (set bit 1) => Null, (set bit 2) => Boolean, ..., (set bit 8) => Stream
or means
if (Bits 15..1 == 0) => Null,  (Bits 15..1 == 2) => Boolean, ..., (Bits 15..1 
== 8) => Stream


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Best Regards,
Jin Chen-Xin