[NTG-context] ifxmlselfempty

[NTG-context] ifxmlselfempty

[Hans van der Meer via ntg-context]

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Is it possible that  the new \ifxmlselfempty has reversed its outcome? Or did I something wrong in this MWE?
Here an MWE.

yours sincerely
dr. Hans van der Meer




\startbuffer[test]
<what>
<emptynode value="!empty node!"/>
<notemptynode>!not empty node!</notemptynode>
</what>
\stopbuffer

\startxmlsetups xml:mysetups
   \xmlsetsetup{\xmldocument}{something|emptynode|notemptynode}{xml:*}
\stopxmlsetups

\xmlregistersetup{xml:mysetups}

\startxmlsetups xml:emptynode
node=\xmltag{#1}:\crlf
ifxmlselfempty-else-fi:\space
\ifxmlselfempty{#1}
	attribute = \xmlatt{#1}{value}
\else
	content = \xmlflush{#1}
\fi
\crlf
ifxmlselfempty-else-fi reversed:\space
\ifxmlselfempty{#1}
	content = \xmlflush{#1}
\else
	attribute = \xmlatt{#1}{value}
\fi
\blank
\stopxmlsetups

\startxmlsetups xml:notemptynode
node=\xmltag{#1}:\crlf
ifxmlselfempty-else-fi:\space
\ifxmlselfempty{#1}
	attribute = \xmlatt{#1}{value}
\else
	content = \xmlflush{#1}
\fi
\crlf
ifxmlselfempty-else-fi reversed:\space
\ifxmlselfempty{#1}
	content = \xmlflush{#1}
\else
	attribute = \xmlatt{#1}{value}
\fi
\blank
\stopxmlsetups

\startxmlsetups xml:something
\xmlall{#1}{./emptynode}\blank
\xmlall{#1}{./notemptynode}\blank
\stopxmlsetups

\starttext
\ConTeXt\ \contextversion\blank
   \xmlprocessbuffer{main}{test}{}
\stoptext


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[NTG-context] Re: ifxmlselfempty

[denis.maier]

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IDK. But why do have a setup for <something>, which does not appear in your xml source (shouldn't it be <what>?)?


Von: Hans van der Meer via ntg-context <ntg-context@ntg.nl>
Gesendet: Sonntag, 3. September 2023 14:11
An: NTG ConTeXt <ntg-context@ntg.nl>
Cc: Hans van der Meer <havdmeer@ziggo.nl>
Betreff: [NTG-context] ifxmlselfempty

Is it possible that  the new \ifxmlselfempty has reversed its outcome? Or did I something wrong in this MWE?
Here an MWE.

yours sincerely
dr. Hans van der Meer



\startbuffer[test]
<what>
<emptynode value="!empty node!"/>
<notemptynode>!not empty node!</notemptynode>
</what>
\stopbuffer

\startxmlsetups xml:mysetups
   \xmlsetsetup{\xmldocument}{something|emptynode|notemptynode}{xml:*}
\stopxmlsetups

\xmlregistersetup{xml:mysetups}

\startxmlsetups xml:emptynode
node=\xmltag{#1}:\crlf
ifxmlselfempty-else-fi:\space
\ifxmlselfempty{#1}
attribute = \xmlatt{#1}{value}
\else
content = \xmlflush{#1}
\fi
\crlf
ifxmlselfempty-else-fi reversed:\space
\ifxmlselfempty{#1}
content = \xmlflush{#1}
\else
attribute = \xmlatt{#1}{value}
\fi
\blank
\stopxmlsetups

\startxmlsetups xml:notemptynode
node=\xmltag{#1}:\crlf
ifxmlselfempty-else-fi:\space
\ifxmlselfempty{#1}
attribute = \xmlatt{#1}{value}
\else
content = \xmlflush{#1}
\fi
\crlf
ifxmlselfempty-else-fi reversed:\space
\ifxmlselfempty{#1}
content = \xmlflush{#1}
\else
attribute = \xmlatt{#1}{value}
\fi
\blank
\stopxmlsetups

\startxmlsetups xml:something
\xmlall{#1}{./emptynode}\blank
\xmlall{#1}{./notemptynode}\blank
\stopxmlsetups

\starttext
\ConTeXt\ \contextversion\blank
   \xmlprocessbuffer{main}{test}{}
\stoptext


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___________________________________________________________________________________

[NTG-context] Re: ifxmlselfempty

[Hans van der Meer via ntg-context]

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I changed this in the source of lxml-ini.lua (line 225). It seems the 'not' has been accidentally crept in (from  copying that line in ifxmlempty, the item above?)
Anyway, remade the format and now the result is as I expected it to be. See below in the output of the MWE from my first post on this subject. I added the relevant portion of the code for clarity.

I am sure the next update will reflect it in the source ;-)

dr. Hans van der Meer

   implement {
        name      = "ifxmlselfempty",
        public    = true,
        usage     = "condition",
        arguments = "argument",
        actions   = function(id)
--            return boolean_code, not checkedempty(getid(id)) and true
            return boolean_code, checkedempty(getid(id)) and true
        end
    }



> On 4 Sep 2023, at 10:05, denis.maier@unibe.ch wrote:
> 
> IDK. But why do have a setup for <something>, which does not appear in your xml source (shouldn’t it be <what>?)?
>  
>  
> Von: Hans van der Meer via ntg-context <ntg-context@ntg.nl <mailto:ntg-context@ntg.nl>> 
> Gesendet: Sonntag, 3. September 2023 14:11
> An: NTG ConTeXt <ntg-context@ntg.nl <mailto:ntg-context@ntg.nl>>
> Cc: Hans van der Meer <havdmeer@ziggo.nl <mailto:havdmeer@ziggo.nl>>
> Betreff: [NTG-context] ifxmlselfempty
>  
> Is it possible that  the new \ifxmlselfempty has reversed its outcome? Or did I something wrong in this MWE?
> Here an MWE.
>  
> yours sincerely
> dr. Hans van der Meer
>  
>  
>  
> \startbuffer[test]
> <what>
> <emptynode value="!empty node!"/>
> <notemptynode>!not empty node!</notemptynode>
> </what>
> \stopbuffer
>  
> \startxmlsetups xml:mysetups
>    \xmlsetsetup{\xmldocument}{something|emptynode|notemptynode}{xml:*}
> \stopxmlsetups
>  
> \xmlregistersetup{xml:mysetups}
>  
> \startxmlsetups xml:emptynode
> node=\xmltag{#1}:\crlf
> ifxmlselfempty-else-fi:\space
> \ifxmlselfempty{#1}
> attribute = \xmlatt{#1}{value}
> \else
> content = \xmlflush{#1}
> \fi
> \crlf
> ifxmlselfempty-else-fi reversed:\space
> \ifxmlselfempty{#1}
> content = \xmlflush{#1}
> \else
> attribute = \xmlatt{#1}{value}
> \fi
> \blank
> \stopxmlsetups
>  
> \startxmlsetups xml:notemptynode
> node=\xmltag{#1}:\crlf
> ifxmlselfempty-else-fi:\space
> \ifxmlselfempty{#1}
> attribute = \xmlatt{#1}{value}
> \else
> content = \xmlflush{#1}
> \fi
> \crlf
> ifxmlselfempty-else-fi reversed:\space
> \ifxmlselfempty{#1}
> content = \xmlflush{#1}
> \else
> attribute = \xmlatt{#1}{value}
> \fi
> \blank
> \stopxmlsetups
>  
> \startxmlsetups xml:something
> \xmlall{#1}{./emptynode}\blank
> \xmlall{#1}{./notemptynode}\blank
> \stopxmlsetups
>  
> \starttext
> \ConTeXt\ \contextversion\blank
>    \xmlprocessbuffer{main}{test}{}
> \stoptext


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maillist : ntg-context@ntg.nl / https://www.ntg.nl/mailman/listinfo/ntg-context
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___________________________________________________________________________________

[NTG-context] Re: ifxmlselfempty

[Hans Hagen]

On 9/4/2023 8:20 PM, Hans van der Meer wrote:
> I changed this in the source of lxml-ini.lua (line 225). It seems the 'not' has been accidentally crept in (from  copying that line in ifxmlempty, the item above?)
> Anyway, remade the format and now the result is as I expected it to be. See below in the output of the MWE from my first post on this subject. I added the relevant portion of the code for clarity.
> 
> I am sure the next update will reflect it in the source ;-)

only if you also test ifxmlempty as it has similar code

Hans


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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 / https://www.ntg.nl/mailman/listinfo/ntg-context
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archive  : https://bitbucket.org/phg/context-mirror/commits/
wiki     : https://contextgarden.net
___________________________________________________________________________________