[sword-devel] Efficiently extracting section + chapter headers
Tobias Klein
contact at tklein.info
Sun Jan 9 05:03:57 EST 2022
Thank you, Troy!
The setIntros call on the VerseKey does not help in getting the chapter
headers in the context of the entry attribute search. I am getting the
same results as without setting it.
Best regards,
Tobias
On 1/8/22 3:58 PM, Troy A. Griffitts wrote:
> Sorry Tobias,
>
> Yes, I incorrectly told you to call setIntros on SWModule instead of
> VerseKey.
>
> - module->setIntros(true);
> + ((VerseKey *)module->getKey())->setIntros(true);
>
> That's a bit ugly typed from my phone, with no check to be sure the
> cast succeeds, but should get the point across.
>
> I should actually have some time this weekend to try some of these
> suggestions before emailing you 🙂
>
> Troy
>
> On January 8, 2022 1:15:18 AM MST, Tobias Klein <contact at tklein.info>
> wrote:
>
> Hi Troy,
>
> Thank you so much for looking into this!
>
> setIntros is not available on SWModule, but only on SWKey.
>
> I suppose the setIntros must be used like this?
>
> SWKey*key= module->getKey();
> VerseKey*verseKey= SWDYNAMIC_CAST(VerseKey, key);
> *verseKey**->**setIntros**(**true**);*
> ListKeyscope= verseKey->parseVerseList(bookCode, *verseKey, true);
> ListKeyresultKey= module->search("/Heading",
> SWModule::SEARCHTYPE_ENTRYATTR, 0, &scope);
>
> When I did that I still did not get the chapter headings, though.
>
> Best regards,
> Tobias
>
> On 1/7/22 3:44 PM, Troy A. Griffitts wrote:
>> Dear Tobias,
>>
>> I haven't had a chance to dig into this yet, but my first guess
>> is that you may be missing the intro slots from the module.
>>
>> VerseKey modules have intro entries:
>>
>> for the chapter if you set verse to 0
>> for the book, if you set chapter to 0
>> for the testament, if you set book to 0
>> for the module, if you set testament to 0
>>
>> You'll need to module->setIntros(true) if you want to access these.
>>
>> Actually, maybe even just try setIntros(true) before your
>> headings search. The content in these entries is likely marked up
>> as headings, as well. For your purposes, you'll need to decide if
>> you want anything in these entries. They might be a long book
>> introduction. The presence of intro entries, length, and type of
>> content varies greatly between modules.
>>
>> Hope this give something to try,
>>
>> Troy
>>
>> On January 6, 2022 9:41:31 AM MST, Tobias Klein
>> <contact at tklein.info> wrote:
>>
>> Hi Troy,
>>
>> I have started looking again into extracting book headings, so that I
>> can generate a book outline in Ezra Bible App even when looking at
>> individual chapters only. I had stopped looking at it when I was not
>> successfully generating a Windows build any longer last year - but I
>> could fix that, so now the work continues.
>>
>> I based my code on your example findHeadings.cpp.
>>
>> It seems like the list of extracted headings is not complete, though.
>>
>> When running this with the module GerNeUe and the book Acts I find that
>> the headers returned are only section headers, but not chapter headers.
>> Could you have another look based on the example and GerNeUe/Acts and
>> advise?
>>
>> I have attached a list of headers that I get from the Bible text of
>> GerNeUe/Acts - just for reference.
>>
>> 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
>> <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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>> -- Sent from my Android device with K-9 Mail. Please excuse my
>> brevity.
>
> -- Sent from my Android device with K-9 Mail. Please excuse my brevity.
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