From: Michael Eidenbenz <eidenbenz@arch.ethz.ch>
To: mailing list for ConTeXt users <ntg-context@ntg.nl>
Subject: Re: btx/xml tree - entry with missing field
Date: Thu, 22 Dec 2016 20:50:57 +0100 [thread overview]
Message-ID: <CCE014EC-1FC2-451B-B3C5-EE92CBFA7B41@arch.ethz.ch> (raw)
In-Reply-To: <b2522f5a-b293-9f8f-ced7-970d350bd3e4@wxs.nl>
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thanks a lot hans!
> Am 22.12.2016 um 18:30 schrieb Hans Hagen <pragma@wxs.nl>:
>
> On 12/22/2016 6:06 PM, Michael Eidenbenz wrote:
>> Hello
>>
>> I use the xml interface to list all publications that dont match a
>> search criteria:
>>
>> /field[@name='keywords'
>> and not (contains(text(),'alpha'))]
>>
>> but there are entries where the keywords field is missing.
>> how can I include them (here "test-3") in the output?
>>
>> Thanks Michael
>>
>> --------------------------
>>
>> \startbuffer[bib]
>>
>> @article{test-1,
>> title = {Article One},
>> author = {A. Foo and X. Bar},
>> year = {2001},
>> keywords = {alpha},
>> }
>>
>> @book{test-2,
>> title = {Book Two},
>> author = {B. Foo},
>> year = {2002},
>> keywords = {beta},
>> }
>>
>> @whatever{test-3,
>> title = {Book Three},
>> author = {C. Foo},
>> year = {2003},
>> }
>>
>> \stopbuffer
>>
>> \usebtxdataset [database] [bib.buffer]
>> \convertbtxdatasettoxml [database]
>>
>> \startxmlsetups btx:tag
>> \hbox{\xmlatt{#1}{tag}}
>> \stopxmlsetups
>>
>> \startxmlsetups btx:demo
>> \xmlfilter {#1} {
>> /bibtex
>> /*
>> /field[@name='keywords'
>> and not (contains(text(),'alpha'))]
>> /..
>> /command(btx:tag)
>> }
>> \stopxmlsetups
>>
>> \starttext
>> \xmlsetup{btx:database}{btx:demo}
>> \stoptext
>
> \startxmlsetups btx:demo
> \xmlfilter {#1} {/bibtex/*/command(btx:demo:action)}
> \stopxmlsetups
>
> \startxmlsetups btx:demo:action
> \xmldoifelse {#1} {/field[@name='keywords']} {
> \xmlfilter {#1} {
> /field[@name='keywords'
> and not contains(text(),'alpha')]
> /..
> /command(btx:tag)
> }
> } {
> \xmlsetup{#1}{btx:tag}
> }
> \stopxmlsetups
>
>
> -----------------------------------------------------------------
> Hans Hagen | PRAGMA ADE
> Ridderstraat 27 | 8061 GH Hasselt | The Netherlands
> tel: 038 477 53 69 | www.pragma-ade.nl | www.pragma-pod.nl
> -----------------------------------------------------------------
> ___________________________________________________________________________________
> If your question is of interest to others as well, please add an entry to the Wiki!
>
> maillist : ntg-context@ntg.nl / http://www.ntg.nl/mailman/listinfo/ntg-context
> webpage : http://www.pragma-ade.nl / http://context.aanhet.net
> archive : https://bitbucket.org/phg/context-mirror/commits/
> wiki : http://contextgarden.net
> ___________________________________________________________________________________
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___________________________________________________________________________________
If your question is of interest to others as well, please add an entry to the Wiki!
maillist : ntg-context@ntg.nl / http://www.ntg.nl/mailman/listinfo/ntg-context
webpage : http://www.pragma-ade.nl / http://context.aanhet.net
archive : https://bitbucket.org/phg/context-mirror/commits/
wiki : http://contextgarden.net
___________________________________________________________________________________
prev parent reply other threads:[~2016-12-22 19:50 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-12-22 17:06 Michael Eidenbenz
2016-12-22 17:30 ` Hans Hagen
2016-12-22 19:50 ` Michael Eidenbenz [this message]
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