[sword-devel] Efficiently extracting section + chapter headers

[Troy A. Griffitts]

Sure Tobias,

module->getEntryAttributes() will allow you to pull the headings from a
verse, and

an Entry Attributes search for '/Heading' will give you only the verses
with Heading entries attributes.

I've thrown together a quick example here, which you can use with
something like:

./showHeadings NASB Matt-John

which will give you the headings from the Gospels.

https://crosswire.org/svn/sword/trunk/examples/tasks/findHeadings.cpp

Creating this example, I found I needed to fix a bug in the engine.  The
engine Entry Attributes search lets you search for values in the entry
attributes (e.g., a Strong's number 1234).  In your use case, when
searching, you don't care about the value; you only care about
presence.  This wasn't working, but simple presence can now be searched
for with my latest commit.

Hope this helps,

Troy


On 4/12/21 9:31 AM, Tobias Klein wrote:
> Hi,
>
> I have been getting a request from a user to render section headings independently of the currently opened bible translation module.
>
> So for example when opening the KJV still using the section/chapter headers of the NASB.
>
> This would be useful in those cases when the respective bible translation module does not come with section/chapter headers, but another one does.
>
> A requirement would be to efficiently extract section/chapter headers from a module using the SWORD API. As of now I only see that you can iterate over the verses of a book and individually scan each verse for the headers. Is there a more efficient way of doing that?
>
> Another use case could be to render a book outline. This is what I am already doing now in Ezra, but in a way that is not so clean (I am traversing the DOM looking for all section header elements of the current book).
>
> Best regards,
> Tobias
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