Through browsing through some source code i've managed to figure out that you
need to convert a SWKey (SWModule::getKey()) to a TreeKey to be able to iterate
through the sections/chapters of a GenBook. However, i have yet to figure out
how to obtain the children for each section/chapter. Rather than taking a guess
with trial and error and searching through more Sword frontends' source code, i
would prefer to have a _full_ understanding on how Sword handles GenBooks and
how frontends can make use of those methods.
My questions: Is TreeKey the only way to obtain the sections/chapters of a
Genbook? And how do i get a list of the children for each section/chapter? Am i
right to assume that i have to use SWModule::setKey() to set the current key to
one of the root sections and then re-cast SWModule::getKey() to a TreeKey and
iterate through that? Or is another method required?
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