Encoding reserved characters in URI query strings

Encoding reserved characters in URI query strings

[Rogers, Michael K]

Let's say I want a link to plot x+2 in Wolfram|Alpha.  I need to catenate "http://www.wolframalpha.com/input/?i=" and  "plot+x%2B2".  Is there any way already available in ConTeXt to translate reserved characters like "+" to the percent-hexcode "%2B"?

Something like

    \encode[plot x+2]

would become

    plot+x%2B2

Or more generally, some languages have a query constructor like this

    \queryURI
      [http://www.wolframalpha.com/input]
      [i=plot x+2]

which would construct the URI

    http://www.wolframalpha.com/input/?i=plot+x%2B2

I could write my own, of course.  But no need to reinvent the wheel.

TIA,

Michael

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Re: Encoding reserved characters in URI query strings

[Aditya Mahajan]

On Sun, 5 Feb 2017, Rogers, Michael K wrote:

> Let's say I want a link to plot x+2 in Wolfram|Alpha.  I need to catenate "http://www.wolframalpha.com/input/?i=" and  "plot+x%2B2".  Is there any way already available in ConTeXt to translate reserved characters like "+" to the percent-hexcode "%2B"?
>
> Something like
>
>    \encode[plot x+2]
>
> would become
>
>    plot+x%2B2
>
> Or more generally, some languages have a query constructor like this
>
>    \queryURI
>      [http://www.wolframalpha.com/input]
>      [i=plot x+2]
>
> which would construct the URI
>
>    http://www.wolframalpha.com/input/?i=plot+x%2B2
>
> I could write my own, of course.  But no need to reinvent the wheel.

url.escape does exactly that.

\startluacode
   local base="http://www.wolframalpha.com/input"
   local query="i=plot x+2"
   local fullname = base .. query
   print(url.escape(fullname))
\stopluacode

gives

http%3A//www.wolframalpha.com/inputi%3Dplot%20x%2B2

Also look at l-url.lua for other helper functions for parsing and 
escaping/unescaping urls.

Aditya
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Re: Encoding reserved characters in URI query strings

[Rogers, Michael K]

> On Feb 5, 2017, at 12:09 PM, Aditya Mahajan <adityam@umich.edu> wrote:
>
> On Sun, 5 Feb 2017, Rogers, Michael K wrote:
>
>> Let's say I want a link to plot x+2 in Wolfram|Alpha.  I need to catenate "http://www.wolframalpha.com/input/?i=" and  "plot+x%2B2".  Is there any way already available in ConTeXt to translate reserved characters like "+" to the percent-hexcode "%2B"?
>>
>> Something like
>>
>>   \encode[plot x+2]
>>
>> would become
>>
>>   plot+x%2B2
>>
>> Or more generally, some languages have a query constructor like this
>>
>>   \queryURI
>>     [http://www.wolframalpha.com/input]
>>     [i=plot x+2]
>>
>> which would construct the URI
>>
>>   http://www.wolframalpha.com/input/?i=plot+x%2B2
>>
>> I could write my own, of course.  But no need to reinvent the wheel.
>
> url.escape does exactly that.
>
> \startluacode
>  local base="http://www.wolframalpha.com/input"
>  local query="i=plot x+2"
>  local fullname = base .. query
>  print(url.escape(fullname))
> \stopluacode
>
> gives
>
> http%3A//www.wolframalpha.com/inputi%3Dplot%20x%2B2
>
> Also look at l-url.lua for other helper functions for parsing and escaping/unescaping urls.
>
> Aditya

Thanks! I figured there must be a function like that.

Michael


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Bibliography

[Jean-Pierre Delange]

Dear list,

Thanks to the list and to Hans and Alan's manual "mkiv-publications", I has achieved some footnotes with bibliographical dataset. All is fine and I success to manage what I want.

But I don't understand why the word 'Author' is printed at the end of each line as the following minimal sample below shows it, e.g. : 
Aristote (n.d.). Les Politiques. Author.
Cicéron (n.d.). Tusculanes, V, 8. Author.
(see the sample's printed page 2)

Is there a question of language (english), or anything else ? How to avoid this 'Author' ? I use the APA style with \usebtxdefinitions, and maybe one can use some other style ?
Anyway, many thanks for your help !
JP

\startbuffer[biblio]

@book{Cicéron1,
author = {Cicéron},
title = {Tusculanes, V, 8},
}


@book{Aristote2,
author = {Aristote},
title = {Les Politiques},
  
 }
 

\stopbuffer

\usebtxdataset[philosophie ancienne][biblio.buffer]
\usebtxdefinitions[apa]
\definebtxrendering[philosophie ancienne][apa][dataset=philosophie ancienne]
\setupbtxrendering[continue =yes]
 \starttext

\startchapter[title={Introduction à la Philosophie}]

Dans les notes qui suivent, on s’intéressera à la pensée philosophique comme philosophie politique. Aristote, le philosophe grec qui publia et commenta les Constitutions des anciennes cités grecques, commence son ouvrage {\it les Politiques} par la thèse selon laquelle \quotation {l’homme est un animal politique}\footnote{\cite[alternative=entry][philosophie ancienne::Aristote2]}.
\blank
Cicéron, ce grand homme politique et cet écrivain savant, a eu la formule bien connue, selon laquelle \quotation{Socrate fit descendre la philosophie du ciel sur la terre.}\footnote{\cite[alternative=entry][philosophie ancienne::Cicéron1]}, qui désigne la question fondamentale de l’intérêt nourri par la philosophie pour les {\it choses humaines}.

\stopchapter
 
\starttext

\startbackmatter

  \startchapter[title={Bibliographie}]

        \startsection[title={Philosophie ancienne}]

        \placelistofpublications[philosophie ancienne][method=local]

        \stopsection

        \stopchapter

\stopbackmatter

\stoptext 

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Re: Bibliography

[Alan Braslau]

On Tue, 7 Feb 2017 13:24:07 +0100
Jean-Pierre Delange <adeimantos@free.fr> wrote:

> But I don't understand why the word 'Author' is printed at the end of
> each line as the following minimal sample below shows it, e.g. :
> Aristote (n.d.). Les Politiques. Author. Cicéron (n.d.). Tusculanes,
> V, 8. Author.

According to the APA style manual, a book without a publisher is
self-published, and one is directed to use the word "Author".

To avoid this, you need to complete the dataset entry, or else choose
a category other than @book such as @unpublished.

Alan
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