Re: [NTG-context] removing word in filtered XML

2020-08-21 Thread Pablo Rodriguez
On 8/21/20 2:59 PM, Hans Hagen wrote:
> On 8/20/2020 4:20 PM, Pablo Rodriguez wrote:
>
>>\replaceword[whatever][this or][no]
>>\replaceword[whatever][that][]
> this feature creep is in the next upload

Hans,

many thanks for the new feature.

Pablo
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Re: [NTG-context] removing word in filtered XML

2020-08-21 Thread Hans Hagen

On 8/20/2020 4:20 PM, Pablo Rodriguez wrote:


   \replaceword[whatever][this or][no]
   \replaceword[whatever][that][]

this feature creep is in the next upload

Hans

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Re: [NTG-context] removing word in filtered XML

2020-08-20 Thread Pablo Rodriguez
On 8/20/20 1:10 PM, Hans Hagen wrote:
> On 8/20/2020 12:38 PM, Pablo Rodriguez wrote:
>> [...]
>> This time, I have to remove two words, such as in:
>>
>>string.gsub([[\xmlraw{#1}{.}]]," del ", " "):gsub(" de la ", " ")}
>>
>> But they could be more (and replacements might be added to that list).
>>
>> Is there a more elegant way than appending :gsub()?
>>
>> Is there also a proper way for word scanning?
>>
>> A "word" can be "Word ", " word " " word." " word?" (and so on). I would
>> like to avoid having to code all combinations (of course, if this were
>> already available).
>
> old stuff present for a long time ... probaly documented somewhere ...
> if not than you have to wikify it ...

Many thanks for your reply, Hans.

It is already wikified
(https://wiki.contextgarden.net/Ligatures#Replacements).

I wonder whether \replaceword could be extended to replace multiple
words and also to remove them.

  \starttext

  \replaceword[whatever][this or][no]
  \replaceword[whatever][that][]

  \startlines
  it is this or that
  {\setreplacements[whatever]it is this or that}
  {\setreplacements[whatever]it is this or that}
  it is this or that
  \stoplines

  \stoptext

Many thanks for your help,

Pablo
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Re: [NTG-context] removing word in filtered XML

2020-08-20 Thread Hans Hagen

On 8/20/2020 12:38 PM, Pablo Rodriguez wrote:

On 8/20/20 11:27 AM, Hans Hagen wrote:

On 8/19/2020 6:10 PM, Pablo Rodriguez wrote:

[...]
Is there any way to remove " of " and " of the " in the filtered content
(xml:special)?

Sorry, Lua code is crap for sure.

[...]
\startxmlsetups xml:initialize
  \xmlsetsetup{#1}{html}{xml:gen}
  \xmlsetsetup{#1}{span[@class='special']}{xml:span:special}
\stopxmlsetups
[...]
\startxmlsetups xml:span:special
  (\cldcontext{(string.gsub([[\xmlraw{#1}{.}]]," of the ", ""))})
\stopxmlsetups


Many thanks for your reply, Hans.

I now see that \xmlraw is the way to go.

I have two questions in word replacement and Lua (maybe there is some
lpeg magic that could be used).

This time, I have to remove two words, such as in:

   string.gsub([[\xmlraw{#1}{.}]]," del ", " "):gsub(" de la ", " ")}

But they could be more (and replacements might be added to that list).

Is there a more elegant way than appending :gsub()?

Is there also a proper way for word scanning?

A "word" can be "Word ", " word " " word." " word?" (and so on). I would
like to avoid having to code all combinations (of course, if this were
already available).
old stuff present for a long time ... probaly documented somewhere ... 
if not than you have to wikify it ...


\starttext

\replaceword[whatever][this][that]
\replaceword[whatever][that][this]

\startlines
it is this or that
{\setreplacements[whatever]it is this or that}
it is this or that
\stoplines

\stoptext



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Re: [NTG-context] removing word in filtered XML

2020-08-20 Thread Pablo Rodriguez
On 8/20/20 11:27 AM, Hans Hagen wrote:
> On 8/19/2020 6:10 PM, Pablo Rodriguez wrote:
>> [...]
>> Is there any way to remove " of " and " of the " in the filtered content
>> (xml:special)?
>>
>> Sorry, Lua code is crap for sure.
> [...]
> \startxmlsetups xml:initialize
>  \xmlsetsetup{#1}{html}{xml:gen}
>  \xmlsetsetup{#1}{span[@class='special']}{xml:span:special}
> \stopxmlsetups
> [...]
> \startxmlsetups xml:span:special
>  (\cldcontext{(string.gsub([[\xmlraw{#1}{.}]]," of the ", ""))})
> \stopxmlsetups

Many thanks for your reply, Hans.

I now see that \xmlraw is the way to go.

I have two questions in word replacement and Lua (maybe there is some
lpeg magic that could be used).

This time, I have to remove two words, such as in:

  string.gsub([[\xmlraw{#1}{.}]]," del ", " "):gsub(" de la ", " ")}

But they could be more (and replacements might be added to that list).

Is there a more elegant way than appending :gsub()?

Is there also a proper way for word scanning?

A "word" can be "Word ", " word " " word." " word?" (and so on). I would
like to avoid having to code all combinations (of course, if this were
already available).

Many thanks for your help,

Pablo
--
http://www.ousia.tk
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Re: [NTG-context] removing word in filtered XML

2020-08-20 Thread Pablo Rodriguez
On 8/20/20 11:08 AM, Taco Hoekwater wrote:
> [...]
> There is pretty much always ‘a way’, but I do not know of a ’nice’ way.
> Your problem is that lxml.flush() and friends do not return a value,
> they just do a direct context(‘’) call behind the scenes with no
> return string for you to modify.

Many thanks for your explanation, Taco.

> Also, the special (catcode, space handling) rules for setups and \cldcontext
> do not help you.
>
> That does not mean it can’t be done. As I don’t know a of a nice way,
> here is a low-level ‘ugly' way:
>
> \startluacode
> function filter(a)
> local div = lxml.getid(a)
> process(div)
> lxml.flush(div)
> end
> function process(div)
> for c=1,#div.dt do
> if type(div.dt[c]) == 'string' then
> div.dt[c] = string.gsub(div.dt[c], " of the ", "")
> else
> process(div.dt[c])
> end
> end
> end
> \stopluacode
>
>  \startxmlsetups xml:special
>\ctxlua{filter([[#1]])}
>  \stopxmlsetups
>
> process() is recursive because your xml:special gets the whole .
> Not sure if you intended it that way. And if it can be done nicer, I
> am sure someone will correct me :)

You’re right, my xml:special wasn’t intended to get the whole . I
was tinkering with a previous sample. And I removed an \xmlfilter. Since
I got no output, I didn’t see what I was missing.

Many thanks for your help,

Pablo
--
http://www.ousia.tk
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Re: [NTG-context] removing word in filtered XML

2020-08-20 Thread Hans Hagen

On 8/19/2020 6:10 PM, Pablo Rodriguez wrote:

Dear list,

I have the following sample:

   \startbuffer[demo]
   
 
   
 This is
   One of the best a paragraph.
 This is another paragraph.
 This is another
   Two of the best paragraph.
 This is another
   Three paragraph.
 This is another
   Four of five paragraph.
   
 
   
   \stopbuffer

   \startxmlsetups xml:initialize
 \xmlsetsetup{#1}{html}{xml:gen}
   \stopxmlsetups

   \xmlregistersetup{xml:initialize}

   \startxmlsetups xml:gen
  \xmlfilter{#1}{/**/div/command(xml:special)}
   \stopxmlsetups

   \startxmlsetups xml:special
 %~ \startitem
 \cldcontext{string.gsub(lxml.flush([[#1]]),
" of the ", "")}\stopitem
   \stopxmlsetups

   \starttext
 \xmlprocessbuffer{main}{demo}{}
   \stoptext

Is there any way to remove " of " and " of the " in the filtered content
(xml:special)?

Sorry, Lua code is crap for sure.

\startbuffer[demo]
  

  
This is One of the best a 
paragraph.

This is another paragraph.
This is another Two of the best 
paragraph.
This is another Three 
paragraph.
This is another Four of five 
paragraph.

  
  
This is One of the best a 
paragraph.

This is another paragraph.
This is another Two of the best 
paragraph.
This is another Three 
paragraph.
This is another Four of five 
paragraph.

  

  
\stopbuffer

\startxmlsetups xml:initialize
\xmlsetsetup{#1}{html}{xml:gen}
\xmlsetsetup{#1}{span[@class='special']}{xml:span:special}
\stopxmlsetups

\xmlregistersetup{xml:initialize}

\startxmlsetups xml:gen
\startitemize
\xmlfilter{#1}{/**/div/command(xml:special)}
\stopitemize
\stopxmlsetups

\startxmlsetups xml:special
\startitem
<\xmlflush{#1}>
\stopitem
\stopxmlsetups

\startxmlsetups xml:span:special
(\cldcontext{(string.gsub([[\xmlraw{#1}{.}]]," of the ", ""))})
\stopxmlsetups

\starttext
\xmlprocessbuffer{main}{demo}{}
\stoptext

Or make a finalizer as Taco posted.

Hans



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Re: [NTG-context] removing word in filtered XML

2020-08-20 Thread Taco Hoekwater


> On 19 Aug 2020, at 18:10, Pablo Rodriguez  wrote:
> 
> Dear list,
> 
> I have the following sample:
> 
>  \startbuffer[demo]
>  
>
>  
>This is
>  One of the best a paragraph.
>This is another paragraph.
>This is another
>  Two of the best paragraph.
>This is another
>  Three paragraph.
>This is another
>  Four of five paragraph.
>  
>
>  
>  \stopbuffer
> 
>  \startxmlsetups xml:initialize
>\xmlsetsetup{#1}{html}{xml:gen}
>  \stopxmlsetups
> 
>  \xmlregistersetup{xml:initialize}
> 
>  \startxmlsetups xml:gen
> \xmlfilter{#1}{/**/div/command(xml:special)}
>  \stopxmlsetups
> 
>  \startxmlsetups xml:special
>%~ \startitem
>\cldcontext{string.gsub(lxml.flush([[#1]]),
>   " of the ", "")}\stopitem
>  \stopxmlsetups
> 
>  \starttext
>\xmlprocessbuffer{main}{demo}{}
>  \stoptext
> 
> Is there any way to remove " of " and " of the " in the filtered content
> (xml:special)?

There is pretty much always ‘a way’, but I do not know of a ’nice’ way. 
Your problem is that lxml.flush() and friends do not return a value,
they just do a direct context(‘’) call behind the scenes with no
return string for you to modify.

Also, the special (catcode, space handling) rules for setups and \cldcontext
do not help you.

That does not mean it can’t be done. As I don’t know a of a nice way,
here is a low-level ‘ugly' way:

\startluacode
function filter(a)
local div = lxml.getid(a)
process(div)
lxml.flush(div)
end
function process(div)
for c=1,#div.dt do
if type(div.dt[c]) == 'string' then
div.dt[c] = string.gsub(div.dt[c], " of the ", "")
else 
process(div.dt[c]) 
end
end
end
\stopluacode

 \startxmlsetups xml:special
   \ctxlua{filter([[#1]])}
 \stopxmlsetups


process() is recursive because your xml:special gets the whole . Not sure 
if you intended it that way.
And if it can be done nicer, I am sure someone will correct me :)

Best wishes,
Taco
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