Cerberus
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| posted 2013-08-15 13:52:31 |
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> directory Z {
> type c
> pointerRule current + root.a.z ...... seems to work, even though a.z not
> loaded .... or is it?
> }
Dataheap to particular data structures conversion is taking place after all
data in the file is successfully loaded.
So, all not-optional elements should be loaded at this moment.
Rules in pointers do not restricted to be used with "up and earlier" loaded
data (as in AcceptRule or restrictions in data structures).
> is there a way to do parent.parent in type 'c' above to get to item in
> struct 'a'
Yes, please, look at TIFF format description.
At the moment of execution of pointer-related rules, context of execution is
a pointer itself - current = pointer, parent = pointer.parent, etc.
Newly created content temporary connected to the parent of pointer
(newnode.Parent = pointer.Parent), but not included into its list of
children. It's enough for constructions like parent.parent to work.
This is done in such a way because current specific pointer context is more
important and relevant than common dataheap context.
After sucessful initialization and all checks, newly created node included
into a list of childrent of parent of dataheap and newnode.Parent =
dataheap.Parent.
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