[sword-devel] Efficiently extracting section + chapter headers

[Troy A. Griffitts]

Hi Tobias. Have a look at sword/examples/cmdline/search.cpp. I believe it takes an optional range parameter.



On May 22, 2021 7:49:48 PM GMT+02:00, Tobias Klein <contact at tklein.info> wrote:
>Hi Troy,
>
>I can't seem to get the scope parameter of the search function right
>... 
>I either get crashes or no results.
>
>How do I have to initialize the scope parameter for the module search
>so 
>that I get the headings for one particular Bible book as search
>results?
>
>Best regards,
>Tobias
>
>On 4/12/21 9:07 PM, Troy A. Griffitts wrote:
>> 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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