Re: [NTG-context] interesting link

[Procházka Lukáš Ing . - Pontex s . r . o .]

Hello,


http://www.nongnu.org/gsl-shell/doc/


it looks useful...

So far, I can't see any binding between GSL's 'graph.plot*()' and any output 
that would be accepted by ConTeXt; e.g. no .png nor MP code can be produced 
from GSL.

It would be nice to have them as it seems many computations could be solved by 
GSL and it would be good to have a way to put the graphical results to ConTeXt.

Lukas


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Re: [NTG-context] Ctx: list of commands

[Procházka Lukáš Ing . - Pontex s . r . o .]

Hello,

@Philipp:


1) is there a Ctx command/switch which would generate list of all current 
ConTeXt commands? E.g.


Hi Lukáš, if you interpret “current Context commands” as “macros
known to TeX”, you may try dumping the hashtable with these lines:

···
\starttext
  \startluacode
table.print(tex.hashtokens())
  \stopluacode
\stoptext
···


thanks for the idea.

Unfortunately, "current Context commands" don't need to be necessarily "macros known to 
TeX", as ConTeXt may have defined many macros that are not "for public use".

It seems that my question is not so straightforward - I didn't think it would it could be problem 
to separate "public macros" (= public ConTeXt commands = these that are cited in manuals, 
on wiki or simply - which "you can use").

Maybe - if I know ALL macros - it would be easy to distinguish between "public" ones and 
"protected" ones - supposing the latter have always at least one of the special chars - 
_@?! (or other?) in it.

I tried your idea, but in this part of the output:

"
...
["startJScode"]={ 127, 290597, 60096 },
["startJSpreamble"]={ 127, 290644, 49920 },
["startLUA"]={ 127, 245948, 28541 },
["startLuaSnippet"]={ 127, 244345, 530 },
["startLuaSnippetBoundary"]={ 127, 246417, 46341 },
["startLuaSnippetComment"]={ 127, 247113, 23071 },
["startLuaSnippetName"]={ 127, 246301, 9781 },
["startLuaSnippetNameBase"]={ 127, 244439, 46291 },
["startLuaSnippetNameCore"]={ 127, 245803, 61132 },
["startLuaSnippetNameLibraries"]={ 127, 246257, 38877 },
["startLuaSnippetQuote"]={ 127, 246898, 19907 },
["startLuaSnippetSpecial"]={ 127, 247006, 23901 },
["startLuaSnippetString"]={ 127, 246646, 61126 },
["startMP"]={ 127, 245820, 14236 },
...
"

- the command/macro "\startluacode" is missing (why?) and

- e.g. the macro "\startLuaSnippetNameBase" is not mentioned "for public use" I 
guess, but also is not detectable by presence of any special char (@_!?).

So I'm not sure this way is usable.

@Hans:

How exactly did you mean to use:


\starttext
   \startluacode
 table.print(tex.hashtokens())
   \stopluacode
\stoptext
···


or

\enabledirectives[system.dumphash]

\enabledirectives[system.dumpdelta]


This:

"
\starttext
  \enabledirectives[system.dumphash]
  \enabledirectives[system.dumpdelta]
\stoptext
"

gives nothing useful.

How exactly to use the command/switch "--textpad" or "--text" with 
"context.exe"?

Best regards,

Lukas


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Re: [NTG-context] Ctx: list of commands

[Peter Münster]

On Tue, Sep 18 2012, Procházka Lukáš Ing. - Pontex s. r. o. wrote:

> - the command/macro "\startluacode" is missing (why?) and

Are you sure? I can see it...

-- 
   Peter
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Re: [NTG-context] Ctx: list of commands

[Procházka Lukáš Ing . - Pontex s . r . o .]

On Tue, 18 Sep 2012 09:36:54 +0200, Peter Münster  wrote:


- the command/macro "\startluacode" is missing (why?) and


Are you sure? I can see it...


... You're right, I see it, too...

Lukas

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Re: [NTG-context] interesting link

[Hans Hagen]

On 18-9-2012 08:38, luigi scarso wrote:

On Mon, Sep 17, 2012 at 11:16 PM, Hans Hagen  wrote:


Hi,

As Luigi hasn't posted a link in a while ... here is one that looks
interesting

http://www.nongnu.org/gsl-**shell/doc/

(would fit nicely in luatex a library given that tex as system for
typesetting is used for scientific publishing)

I've (of course...) already built a binding for gsl and I keep an eye on

it. Until two days  ago the problem was luajit: but on September 16
http://www.freelists.org/post/luajit/Support-for-goto-and-labels-added
so, considering the move from lua 5.1 to lua 5.2,  it's reasonable to start
to think at luajittex  (well, at least for me)  .


Interesting. So it works well as a library?

I'm not so sure if we gain much with jit in luatex but it's worth a try. 
It would also be interesting to see how the 5.2 garbage collector

works out (as well as the new string has implementation).

Hans

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Re: [NTG-context] interesting link

[Hans Hagen]

On 18-9-2012 09:10, Procházka Lukáš Ing. - Pontex s. r. o. wrote:

Hello,


http://www.nongnu.org/gsl-shell/doc/


it looks useful...

So far, I can't see any binding between GSL's 'graph.plot*()' and any
output that would be accepted by ConTeXt; e.g. no .png nor MP code can
be produced from GSL.


it should not be to hard (for luigi, given his mf project) to add output 
to mp


Hans

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Re: [NTG-context] Ctx: list of commands

[Hans Hagen]

On 18-9-2012 08:44, Procházka Lukáš Ing. - Pontex s. r. o. wrote:

Hello,

@Philipp:


1) is there a Ctx command/switch which would generate list of all
current ConTeXt commands? E.g.


Hi Lukáš, if you interpret “current Context commands” as “macros
known to TeX”, you may try dumping the hashtable with these lines:

···
\starttext
  \startluacode
table.print(tex.hashtokens())
  \stopluacode
\stoptext
···


thanks for the idea.

Unfortunately, "current Context commands" don't need to be necessarily
"macros known to TeX", as ConTeXt may have defined many macros that are
not "for public use".

It seems that my question is not so straightforward - I didn't think it
would it could be problem to separate "public macros" (= public ConTeXt
commands = these that are cited in manuals, on wiki or simply - which
"you can use").


mult-def.lua has some information (and could be extended) as does 
mult-low.lua


Hans

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Re: [NTG-context] interesting link

[luigi scarso]

On Tue, Sep 18, 2012 at 10:19 AM, Hans Hagen  wrote:

> On 18-9-2012 09:10, Procházka Lukáš Ing. - Pontex s. r. o. wrote:
>
>> Hello,
>>
>>  http://www.nongnu.org/gsl-**shell/doc/
>>>
>>
>> it looks useful...
>>
>> So far, I can't see any binding between GSL's 'graph.plot*()' and any
>> output that would be accepted by ConTeXt; e.g. no .png nor MP code can
>> be produced from GSL.
>>
>
> it should not be to hard (for luigi, given his mf project) to add output
> to mp
>
>
there are
save(filename[, w, h])
Save the plot in a file in a bitmap image format. The first argument is the
file name without extension while the other optional arguments are the
width and the height in pixels of the image. The format used is BMP on
windows and PPM on Linux.

save_svg(filename[, w, h])
Save the plot in the given filename in SVG format. Two optional parameters
can be given to specify the width and height of the drawing area. If the
“svg” extension is not given it will be automatically added.

They can managed with imagemagick/inkscape

On the other side, I often manage to export a kind of lua table (if
possible) and use lua /mplib of context to produce a single pdf of each
graph.

-- 
luigi
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Re: [NTG-context] output of token.command_name() [was: Ctx: list of commands]

[Philipp Gesang]

·

> On 17-9-2012 21:29, Philipp Gesang wrote:
> >·· >o.>···
> >
> >>Hello,
> >>
> >>1) is there a Ctx command/switch which would generate list of all current 
> >>ConTeXt commands? E.g.
> >
> >Hi Lukáš, if you interpret “current Context commands” as “macros
> >known to TeX”, you may try dumping the hashtable with these lines:
> >
> >···
> >\starttext
> >   \startluacode
> > table.print(tex.hashtokens())
> >   \stopluacode
> >\stoptext
> >···
> 
> or
> 
> \enabledirectives[system.dumphash]
> 
> \enabledirectives[system.dumpdelta]

In trackers.dumphashtofile(), you use the Luatex function
token.commandname(). Among others, it returns a category
“undefined_cs”. Are those the macros that have been defined and
invalidated, but are kept on the hash anyways because of some
issues involving \gdef?

(I remember reading about this in “TeX the Program” but I can’t
look it up right now as it is buried somewhere deep inside a book
crate.)

Philipp

> 
> 
> 
> -
>   Hans Hagen | PRAGMA ADE
>   Ridderstraat 27 | 8061 GH Hasselt | The Netherlands
> tel: 038 477 53 69 | voip: 087 875 68 74 | www.pragma-ade.com
>  | www.pragma-pod.nl
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Re: [NTG-context] output of token.command_name() [was: Ctx: list of commands]

[Hans Hagen]

On 18-9-2012 11:52, Philipp Gesang wrote:

·


On 17-9-2012 21:29, Philipp Gesang wrote:

·


Hello,

1) is there a Ctx command/switch which would generate list of all current 
ConTeXt commands? E.g.


Hi Lukáš, if you interpret “current Context commands” as “macros
known to TeX”, you may try dumping the hashtable with these lines:

···
\starttext
   \startluacode
 table.print(tex.hashtokens())
   \stopluacode
\stoptext
···


or

\enabledirectives[system.dumphash]

\enabledirectives[system.dumpdelta]


In trackers.dumphashtofile(), you use the Luatex function
token.commandname(). Among others, it returns a category
“undefined_cs”. Are those the macros that have been defined and
invalidated, but are kept on the hash anyways because of some
issues involving \gdef?

(I remember reading about this in “TeX the Program” but I can’t
look it up right now as it is buried somewhere deep inside a book
crate.)


well, undefined is still defined but with meaning 'undefined' ... indeed 
all stays in the hash .. harmless


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 | www.pragma-pod.nl
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[NTG-context] Bibliography, unicode strings, @ELECTRONIC, sorting and bibtex

[Marco Patzer]

Hi,

I have some questions regarding the bibliography.

1)
The style files bibl-ams.tex, bibl-ssa.tex, etc contain strings like
``, ~. This does not make sense to me. The `` ends up like that in
the output and the tilde might interfere with the \asciimode
setting. Wouldn't it be better to use the proper Unicode glyphs
(U+201C, U+00A0, etc.) nowadays? I assume the files are old MkII
files and not being updated since. Example:

\setupbibtex   [database=sample]
\setuppublications [alternative=ssa]
\starttext
  \cite[hh2010a]
  \cite[Eijkhout1991]
  \cite[hh2010]
  \placepublications [criterium=cite]
\stoptext

2)
The @ELECTRONIC type does not work (already mentioned in the wiki).
It does not show up in the references list. I guess no one bothered
adding them and it's up to me to add the corresponding entries.

Maybe someone has already prepared a working file for the APA style?

3)
How to sort the bibliography by author? According to the bib manual
I expected this to work:

\setupbibtex   [database=sample]
\setuppublications [alternative=apa, criterium=cite, sort=author]
\starttext
  \cite[hh2010a]
  \cite[Eijkhout1991]
  \placepublications
\stoptext

4)
\completepublications produces an empty page. Is that intended?

\setupbibtex   [database=sample]
\setuppublications [alternative=ssa, criterium=cite]
\starttext
 \cite[hh2010a]
 \completepublications
\stoptext

5) (side question)
What is BibTeX used for in ConTeXt? As far as I can see, it reads
the .bib database and generates a .bbl file which then is read in by
ConTeXt. Why do we need an external tool for this? Why does ConTeXt
not read in the .bib database and directly save it as a Lua table?


Marco

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Re: [NTG-context] Bibliography, unicode strings, @ELECTRONIC, sorting and bibtex

[Schmitz Thomas A.]

On Sep 18, 2012, at 12:28 PM, Marco Patzer  wrote:

> Hi,
> 
> I have some questions regarding the bibliography.
> 
> 1)
> The style files bibl-ams.tex, bibl-ssa.tex, etc contain strings like
> ``, ~. This does not make sense to me. The `` ends up like that in
> the output and the tilde might interfere with the \asciimode
> setting. Wouldn't it be better to use the proper Unicode glyphs
> (U+201C, U+00A0, etc.) nowadays? I assume the files are old MkII
> files and not being updated since. Example:
> 
> \setupbibtex   [database=sample]
> \setuppublications [alternative=ssa]
> \starttext
>  \cite[hh2010a]
>  \cite[Eijkhout1991]
>  \cite[hh2010]
>  \placepublications [criterium=cite]
> \stoptext
> 
You're right, this is old code that needs to be fixed. The problem is that 
users of bibtex in ConTeXt are a minority, and users of such precooked styles a 
tiny minority - I use bibtex quite often, but wouldn't know how to fix these 
styles and have never used them. So if you're sure about what to do, fix them 
and send Hans a patch.

> 2)
> The @ELECTRONIC type does not work (already mentioned in the wiki).
> It does not show up in the references list. I guess no one bothered
> adding them and it's up to me to add the corresponding entries.
> 
> Maybe someone has already prepared a working file for the APA style?

Possible. I have @ELECTRONIC definitions in my own private style files, but 
have never used APA.

> 
> 3)
> How to sort the bibliography by author? According to the bib manual
> I expected this to work:
> 
> \setupbibtex   [database=sample]
> \setuppublications [alternative=apa, criterium=cite, sort=author]

You haven't read carefully enough, it's sorttype=author

> \starttext
>  \cite[hh2010a]
>  \cite[Eijkhout1991]
>  \placepublications
> \stoptext
> 
> 4)
> \completepublications produces an empty page. Is that intended?
> 
> \setupbibtex   [database=sample]
> \setuppublications [alternative=ssa, criterium=cite]
> \starttext
> \cite[hh2010a]
> \completepublications
> \stoptext
> 
http://archive.contextgarden.net/message/20110923.091734.6b388a11.en.html

> 5) (side question)
> What is BibTeX used for in ConTeXt? As far as I can see, it reads
> the .bib database and generates a .bbl file which then is read in by
> ConTeXt. Why do we need an external tool for this? Why does ConTeXt
> not read in the .bib database and directly save it as a Lua table?

Because nobody has coded that part yet? This may not be as easy as you make it 
sound because quite a few heuristics go into parsing bibtex files (e.g., look 
at the way in which bibtex divides names into first name, last name, von-part, 
jr-part). Over the years, I have read and heard many complaints about bibtex 
and many announcements that something infinitely better is just around the 
corner, to be delivered in all its glory "real soon now." For the time being, I 
don't see any real replacement, but I may be wrong.


Thomas

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Re: [NTG-context] Bibliography, unicode strings, @ELECTRONIC, sorting and bibtex

[Marco Patzer]

2012-09-18 "Schmitz Thomas A." :

Hi Thomas

> The problem is that users of bibtex in ConTeXt are a minority, and
> users of such precooked styles a tiny minority

With a handful of up-to-date working common citation styles
citations would be much more easy. But I get your point.

> I use bibtex quite often, but wouldn't know how to fix these
> styles and have never used them. So if you're sure about what to
> do, fix them and send Hans a patch.

Frankly, I'm no expert in those things. The bibliographies I created
so far were quick and dirty, I didn't have the time to create proper
styles or repair the shipped ones. I will see what I can do to at
least improve the existing ones after the current project is done.

> > Maybe someone has already prepared a working file for the APA
> > style?
> 
> Possible. I have @ELECTRONIC definitions in my own private style
> files, but have never used APA.

Same here.

> > \setuppublications [alternative=apa, criterium=cite, sort=author]
> 
> You haven't read carefully enough, it's sorttype=author

This doesn't work, either:

\setupbibtex   [database=sample]
\setuppublications [alternative=apa, criterium=cite, sorttype=author]
\starttext
  \cite[hh2010a]
  \cite[Eijkhout1991]
  \placepublications
\stoptext

> > \completepublications produces an empty page. Is that intended?
> > 
> http://archive.contextgarden.net/message/20110923.091734.6b388a11.en.html

Using criterium=text fixed it.

> > What is BibTeX used for in ConTeXt? As far as I can see, it reads
> > the .bib database and generates a .bbl file which then is read in by
> > ConTeXt. Why do we need an external tool for this? Why does ConTeXt
> > not read in the .bib database and directly save it as a Lua table?
> 
> Because nobody has coded that part yet? This may not be as easy as
> you make it sound because quite a few heuristics go into parsing
> bibtex files (e.g., look at the way in which bibtex divides names
> into first name, last name, von-part, jr-part).

I'm aware of that. So it basically boils down to the fact that
bibliographies are not popular among ConTeXt users (including Hans)
and therefore much functionality is not properly implemented or
cared for. And BibTeX is used since it understands the semantics of
bib files, although a pure ConTeXt/Lua solution would be possible.
Without BibTeX this functionality would be missing since no one is
willing to implement a parser for .bib databases.

If I only had time…


Marco

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Re: [NTG-context] Bibliography, unicode strings, @ELECTRONIC, sorting and bibtex

[Philipp Gesang]

Hi all,

·

> 2012-09-18 "Schmitz Thomas A." :
> 
> > > What is BibTeX used for in ConTeXt? As far as I can see, it reads
> > > the .bib database and generates a .bbl file which then is read in by
> > > ConTeXt. Why do we need an external tool for this? Why does ConTeXt
> > > not read in the .bib database and directly save it as a Lua table?
> > 
> > Because nobody has coded that part yet? This may not be as easy as
> > you make it sound because quite a few heuristics go into parsing
> > bibtex files (e.g., look at the way in which bibtex divides names
> > into first name, last name, von-part, jr-part).
> 
> I'm aware of that. So it basically boils down to the fact that
> bibliographies are not popular among ConTeXt users (including Hans)
> and therefore much functionality is not properly implemented or
> cared for.

tl;dr: It’s not unpopular, it’s a Hard Problem™.

I guess that is so because bibliographies and citation rules are
a hard problem to solve generally. As a recent thread on this
list revealed, most of us are content to instead solve the much
easier problem of creating some bib functionality themselves,
tailored to their own needs.[0] A given cite/bib ruleset is easy
to implement (as long as you don’t put too much weight on
sorting) -- we have Lua, after all.  Developing a framework for
bibliographies, where everything needs to be adjustable and
parameterized (by non-technical people) on demand while remaining
stable over a long time, is however a totally different matter.
Just have a look at the biber/biblatex codebase and decide
yourself. (Now try to imagine the same without Perl and XML to
get the style bonus  ;-) )

Context, as opposed to LaTeX, lacks the consistent formatting
requirements by journals and editors, simply because they don’t
usually accept it as an input format.

[0] http://www.mail-archive.com/ntg-context@ntg.nl/msg62855.html

>And BibTeX is used since it understands the semantics of
> bib files, although a pure ConTeXt/Lua solution would be possible.
> Without BibTeX this functionality would be missing since no one is
> willing to implement a parser for .bib databases.

Context happens to have such a parser, written in Lua. Probably
the best one around:

···
\starttext
  \startluacode
local db = bibtex.new()
bibtex.load(db, "filename.bib")
table.print(db)
  \stopluacode
\stoptext
···

Regards
Philipp


> 
> If I only had time…
> 
> 
> Marco
> 
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Re: [NTG-context] Bibliography, unicode strings, @ELECTRONIC, sorting and bibtex

[Schmitz Thomas A.]

On Sep 18, 2012, at 2:25 PM, Marco Patzer  wrote:
> 
> This doesn't work, either:
> 
> \setupbibtex   [database=sample]
> \setuppublications [alternative=apa, criterium=cite, sorttype=author]
> \starttext
>  \cite[hh2010a]
>  \cite[Eijkhout1991]
>  \placepublications
> \stoptext
> 
This works for me, I get Eijkhout sorted before Hagen.

> 
> I'm aware of that. So it basically boils down to the fact that
> bibliographies are not popular among ConTeXt users (including Hans)
> and therefore much functionality is not properly implemented or
> cared for. And BibTeX is used since it understands the semantics of
> bib files, although a pure ConTeXt/Lua solution would be possible.
> Without BibTeX this functionality would be missing since no one is
> willing to implement a parser for .bib databases.
> 
> If I only had time…

Yes, had we but world enough and time… Anyway, Hans began playing with 
transforming bibtex to xml and loading this. There is no user interface yet, 
but if you want to see what's possible, have a look at bibl-bib.lua and 
bibl-tst.lua

Thomas
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Re: [NTG-context] Ctx: list of commands

[Rogers, Michael K]

On Sep 18, 2012, at 2:44 AM, Procházka Lukáš Ing. - Pontex s. r. o.
 mailto:l...@pontex.cz>>
 wrote:

It seems that my question is not so straightforward - I didn't think it would 
it could be problem to separate "public macros" (= public ConTeXt commands = 
these that are cited in manuals, on wiki or simply - which "you can use").

I haven't been following the answers closely as they seemed to focus on getting 
ALL commands.  So excuse me if this is too naive, but have you looked at the 
"quick reference"?:

http://pragma-ade.com/general/qrcs/setup-en.pdf

I think it does not contain all commands, however, not even all the "public" 
ones.  But maybe it's a good starting place.  It is based on

… tex/texmf-context/tex/context/interface/cont-en.xml

(There are ones for the other languages, too.)  The xml database contains the 
source file name, too, which helps me sometimes.  One could probably develop a 
quicker reference based on it in the format you asked for.

Michael



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Re: [NTG-context] Ctx: list of commands

[Procházka Lukáš Ing . - Pontex s . r . o .]

http://pragma-ade.com/general/qrcs/setup-en.pdf

… tex/texmf-context/tex/context/interface/cont-en.xml


Thanks for the idea.

Maybe both sources would be useful somehow but - they don't look up-to-date as e.g. the 
command "\startluacode" is not involved in any of both.

Persisting question:

c:\ConTeXt\tex\texmf-context\scripts\context\lua\mtx-interface.lua

And:


...
local helpinfo = [[
...
--textpad generate textpad interface files
--textcreate text files for commands and environments
...
]]


How exactly to use the command/switch "--textpad" or "--text" with 
"context.exe"?

Neither "context --text" nor "context --textpad" seems to give anything useful.

Best regards,

Lukas


--
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Re: [NTG-context] Bibliography, unicode strings, @ELECTRONIC, sorting and bibtex

[Marco Patzer]

2012-09-18 "Schmitz Thomas A." :

Hi Thomas

> On Sep 18, 2012, at 2:25 PM, Marco Patzer  wrote:
> > 
> > This doesn't work, either:
> > 
> > \setupbibtex   [database=sample]
> > \setuppublications [alternative=apa, criterium=cite, sorttype=author]
> > \starttext
> >  \cite[hh2010a]
> >  \cite[Eijkhout1991]
> >  \placepublications
> > \stoptext
> > 
> This works for me, I get Eijkhout sorted before Hagen.

I deleted all temp files, but still get “Hagen” before “Eijkhout”.
My test file is attached.

> > If I only had time…
> 
> Yes, had we but world enough and time… Anyway, Hans began playing
> with transforming bibtex to xml and loading this. There is no user
> interface yet, but if you want to see what's possible, have a look
> at bibl-bib.lua and bibl-tst.lua

Thanks, I will have a look.


Marco
@STRING{hh = {Hans Hagen}}

@ELECTRONIC{hh2010,
  author = hh,
  year = {2010},
  title = {Metafun. \CONTEXT\ mkiv},
  url = {http://www.pragma-ade.nl/general/manuals/metafun-s.pdf},
}

@ARTICLE{hh2010a,
  author = hh,
  title = {The Font Name Mess},
  journal = {MAPS},
  year = {2010},
  volume = {40},
  pages = {2-8},
  keywords = {context},
}

@ARTICLE{hh2010b,
  author = hh,
  title = {Grouping in Hybrid Environments},
  journal = {MAPS},
  year = {2010},
  volume = {40},
  pages = {67-71},
  keywords = {context},
}

@BOOK{Eijkhout1991,
  title = {\TeX\ by Topic. A \TeX nician's Reference},
  publisher = {Addison-Wesley},
  year = {1991},
  author = {Victor Eijkhout},
  address = {London},
  keywords = {general},
}



t.pdf
Description: Adobe PDF document
\setupbibtex   [database=sample]
\setuppublications [alternative=apa, criterium=cite, sorttype=author]
\starttext
 \cite[hh2010a]
 \cite[Eijkhout1991]
 \placepublications
 \contextversion
\stoptext
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Re: [NTG-context] Bibliography, unicode strings, @ELECTRONIC, sorting and bibtex

[Marco Patzer]

2012-09-18 Philipp Gesang :

> [0] http://www.mail-archive.com/ntg-context@ntg.nl/msg62855.html

Thanks for the link. Since I usually don't deal much with
different bibliography styles I tend to skip those threads.

> >And BibTeX is used since it understands the semantics of
> > bib files, although a pure ConTeXt/Lua solution would be possible.
> > Without BibTeX this functionality would be missing since no one is
> > willing to implement a parser for .bib databases.
> 
> Context happens to have such a parser, written in Lua. Probably
> the best one around:
> 
> ···
> \starttext
>   \startluacode
> local db = bibtex.new()
> bibtex.load(db, "filename.bib")
> table.print(db)
>   \stopluacode
> \stoptext

Interesting, I didn't know that. But the values are only parsed, not
interpreted. That means the only thing left for BibTeX is to do is
to interpret the ugly “author” field?


Marco

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Re: [NTG-context] Ctx: list of commands

[Hans Hagen]

On 18-9-2012 15:49, Rogers, Michael K wrote:


… tex/texmf-context/tex/context/interface/cont-en.xml


indeed it needs updating (some time ago wolfgang started with it but 
it's a tedious job)


Hans

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Re: [NTG-context] Ctx: list of commands

[Hans Hagen]

On 18-9-2012 16:00, Procházka Lukáš Ing. - Pontex s. r. o. wrote:

http://pragma-ade.com/general/qrcs/setup-en.pdf

… tex/texmf-context/tex/context/interface/cont-en.xml


Thanks for the idea.

Maybe both sources would be useful somehow but - they don't look
up-to-date as e.g. the command "\startluacode" is not involved in any of
both.

Persisting question:

c:\ConTeXt\tex\texmf-context\scripts\context\lua\mtx-interface.lua

And:


...
local helpinfo = [[
...
--textpad generate textpad interface files
--textcreate text files for commands and environments
...
]]


How exactly to use the command/switch "--textpad" or "--text" with
"context.exe"?

Neither "context --text" nor "context --textpad" seems to give anything
useful.


you run mtx script with:

mtxrun --script interface 


--

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 | www.pragma-pod.nl
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Re: [NTG-context] Bibliography, unicode strings, @ELECTRONIC, sorting and bibtex

[Alan BRASLAU]

On Tue, 18 Sep 2012 13:41:56 +0200
Schmitz Thomas A.  wrote:

> 
> On Sep 18, 2012, at 12:28 PM, Marco Patzer 
> wrote:
> 
> > 5) (side question)
> > What is BibTeX used for in ConTeXt? As far as I can see, it reads
> > the .bib database and generates a .bbl file which then is read in by
> > ConTeXt. Why do we need an external tool for this? Why does ConTeXt
> > not read in the .bib database and directly save it as a Lua table?
> 
> Because nobody has coded that part yet? This may not be as easy as
> you make it sound because quite a few heuristics go into parsing
> bibtex files (e.g., look at the way in which bibtex divides names
> into first name, last name, von-part, jr-part). Over the years, I
> have read and heard many complaints about bibtex and many
> announcements that something infinitely better is just around the
> corner, to be delivered in all its glory "real soon now." For the
> time being, I don't see any real replacement, but I may be wrong.


Do not forget that there are many databases and tools that more or less
know how to deal with bibtex files. And many web sites can output
bibtex data, more or less correctly.

Of course, one could also consider using other "standards", such as
EndNote... but we would not want to do that, would we?

Alan
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Re: [NTG-context] Bibliography, unicode strings, @ELECTRONIC, sorting and bibtex

[Philipp Gesang]

·

> 2012-09-18 Philipp Gesang :
> 
> > [0] http://www.mail-archive.com/ntg-context@ntg.nl/msg62855.html
> 
> Thanks for the link. Since I usually don't deal much with
> different bibliography styles I tend to skip those threads.
> 
> > >And BibTeX is used since it understands the semantics of
> > > bib files, although a pure ConTeXt/Lua solution would be possible.
> > > Without BibTeX this functionality would be missing since no one is
> > > willing to implement a parser for .bib databases.
> > 
> > Context happens to have such a parser, written in Lua. Probably
> > the best one around:
> > 
> > ···
> > \starttext
> >   \startluacode
> > local db = bibtex.new()
> > bibtex.load(db, "filename.bib")
> > table.print(db)
> >   \stopluacode
> > \stoptext
> 
> Interesting, I didn't know that. But the values are only parsed, not
> interpreted. That means the only thing left for BibTeX is to do is
> to interpret the ugly “author” field?

From my bibliography (this assumes authors are separated by
“ and ”; *warning*: ashamingly ugly code ahead):

···
-- adapted from Roberto
-- www.inf.puc-rio.br/~roberto/lpeg.html
function citator.split (s, sep)
  if type(sep) == "string" then
sep = P(sep)
  end
  local elem = C((1 - sep)^0)
  local p = Ct(elem * (sep * elem)^0)
  return lpegmatch(p, s)
end
local split = citator.split

-- Return a list of authors' names from a string separated by "and".
local _p_spaces = S" \n\t\v"^1
local _p_and= _p_spaces * P"and" * _p_spaces
function citator.get_author_list (rawaut)
if not stringfind(rawaut, "and") then return { rawaut } end
return split(rawaut, _p_and)
end
local get_author_list = citator.get_author_list

do
local wl = P{
[1] = "words",

left  = P"{",  right = P"}",
space = P" ",  tabs  = S"\v\t",
eol   = P"\n", whitespace = V"space" + V"tabs" + V"eol",

inbrace = V"left" * (1 - V"right")^1 * V"right",
other = (1 - V"inbrace" - V"whitespace")^1,

elm = V"inbrace" + V"other",

words = Ct((V"whitespace"^0 * C(V"elm"))^0)
}

-- Takes a string and splits it into words, returning a list of words.
function citator.get_word_list(s)
return lpegmatch(wl, s)
end
end
local get_word_list = citator.get_word_list

-- from http://osdir.com/ml/l...@bazar2.conectiva.com.br/2009-12/msg00910.html
do
local space = S" \t\v\n"
local nospace = 1 - space
local ptrim = space^0 * C((space^0 * nospace^1)^0)
function citator.strip (s)
return lpegmatch(ptrim, s)
end
end


-- Return the formatted author field for one author string.
function citator.reverse_one_author (rawaut, form)
local listaut = get_word_list(rawaut)
local formaut, tmpaut = "", {}
if (#listaut > 1) then
for i,j in next, listaut do
listaut[i] = citator.strip(j)
end
lastname = listaut[#listaut] .. ","
tableremove(listaut, #listaut)
tmpaut[#tmpaut+1] = lastname
for i,j in next, listaut  do tmpaut[#tmpaut+1] = j end
for i,j in next, tmpaut   do formaut = formaut .. " " .. j end
else
formaut = listaut[1]
end
return formaut
end
local reverse_one_author = citator.reverse_one_author

-- Take a string of authors' names rawaut and return a list that is built
-- according to the global citator.cite_inv_author.
--  ‘resultformat’: if it has the value ‘string’ then the function will
-- return a string instead of a table.
function citator.format_author_list (rawaut, resultformat)
warn("author list", rawaut)
local max= citator.compress_authors -- , default=3
local authorlist = get_author_list(rawaut)
local cnt = 1
local tmplist = {}
local citestyle = citator.styles[citator.cite_style] or fancy2
local etal  = citestyle.cite_etal_string
repeat
if cnt == 1 then
if citator.cite_author_form == "allinv"   or
   citator.cite_author_form == "firstinv" then
tmplist[#tmplist+1] = reverse_one_author(authorlist[cnt])
warn("num: "..cnt, authorlist[cnt])
else -- don’t reverse anything
tmplist[#tmplist+1] = authorlist[cnt]
end
elseif cnt > max then
tmplist[#tmplist+1] = etal
break
else
warn("num: "..cnt, authorlist[cnt])
if citator.cite_author_form == "allinv" then
tmplist[#tmplist+1] = reverse_one_author(authorlist[cnt])
elseif citator.cite_author_form == "firstinv" then
tmplist[#tmplist+1] = citestyle.cite_author_separator
tmplist[#tmplist+1] = authorlist[cnt]
else
tmplist[#tmplist+1] = citestyle.cite_author_separator
tmplist[#tmplist+1] = authorlist[cn

Re: [NTG-context] Ctx: list of commands

[Sietse Brouwer]

Michael K Rogers wrote:
>> … tex/texmf-context/tex/context/interface/cont-en.xml

Hans wrote:
> indeed it needs updating (some time ago wolfgang started with it but it's a 
> tedious job)

Hans, have you ever thought about creating a command
\defpublic[#commandname]{...} that works pretty much like
\def\commandname{...}, but also registers the name of the command it
defines to a table somewhere?

You might already have something like it because the tables in
setup-en.pdf look automatically-created, but there is some hint in the
sources that they are based on some (Wolfgang's?) XML file, too.
http://pragma-ade.com/general/qrcs/setup-en.pdf
x-set-*.mkii, .mkiv

Cheers,
Sietse


On Tue, Sep 18, 2012 at 4:59 PM, Hans Hagen  wrote:
> On 18-9-2012 16:00, Procházka Lukáš Ing. - Pontex s. r. o. wrote:
>>>
>>> http://pragma-ade.com/general/qrcs/setup-en.pdf
>>>
>>> … tex/texmf-context/tex/context/interface/cont-en.xml
>>
>>
>> Thanks for the idea.
>>
>> Maybe both sources would be useful somehow but - they don't look
>> up-to-date as e.g. the command "\startluacode" is not involved in any of
>> both.
>>
>> Persisting question:
>>
>> c:\ConTeXt\tex\texmf-context\scripts\context\lua\mtx-interface.lua
>>
>> And:
>>
>> 
>> ...
>> local helpinfo = [[
>> ...
>> --textpad generate textpad interface files
>> --textcreate text files for commands and environments
>> ...
>> ]]
>> 
>>
>> How exactly to use the command/switch "--textpad" or "--text" with
>> "context.exe"?
>>
>> Neither "context --text" nor "context --textpad" seems to give anything
>> useful.
>
>
> you run mtx script with:
>
> mtxrun --script interface 
>
>
> --
>
> -
>   Hans Hagen | PRAGMA ADE
>   Ridderstraat 27 | 8061 GH Hasselt | The Netherlands
> tel: 038 477 53 69 | voip: 087 875 68 74 | www.pragma-ade.com
>  | www.pragma-pod.nl
> -
> ___
> If your question is of interest to others as well, please add an entry to
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Re: [NTG-context] Ctx: list of commands

[Hans Hagen]

On 18-9-2012 18:44, Sietse Brouwer wrote:

Michael K Rogers wrote:

… tex/texmf-context/tex/context/interface/cont-en.xml


Hans wrote:

indeed it needs updating (some time ago wolfgang started with it but it's a 
tedious job)


Hans, have you ever thought about creating a command
\defpublic[#commandname]{...} that works pretty much like
\def\commandname{...}, but also registers the name of the command it
defines to a table somewhere?


yes but it does not help much unless the whole argument spec is 
included; also, quite some commands are generated so we would still miss 
a lot


Hans

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