Re: [NTG-context] Optimal way to defining of macros in Luacode in ConTeXt
Thanx very much Hans and Wolfgang too,
I converted ALL my ConTeXt definitions (macros) with fixed numbers of
parameters by using yours method - ie:
interfaces.definecommand {
name = ,
macro = .,
arguments = {
{ content, string },
{ content, string },
},
}
It is great and very easy - thanx.
Now I want convert rest of definitions (macros) - they have varied
numbers of parameters.
Is there any similar way to do it? Suffice it to indicate how.
Thanx Jaroslav
To show what macros I want to convert, I mention these examples:
\def\opencsvfile{%
\dosingleempty\doopencsvfile%
}
\def\doopencsvfile[#1]{%
\dosinglegroupempty\dodoopencsvfile
}
\def\dodoopencsvfile#1{%
\iffirstargument
\ctxlua{thirddata.scancsv.opencsvfile(#1)}
\else
\ctxlua{thirddata.scancsv.opencsvfile()}
\fi
}
or other macro etc:
% \doloopaction % implicit use \lineaction macro
% \doloopaction{\action} % use \action macro for all lines
% \doloopaction{\action}{4} % use \action macro for first 4 lines
% \doloopaction{\action}{2}{5} % use \action macro for lines from 2 to 5
\def\doloopaction{\dotriplegroupempty\doloopAction}
\def\doloopAction#1#2#3{%
\opencsvfile%
\doifsomethingelse{#3}{%3 args.
\doloopfromto{#2}{#3}{#1}% if 3 arguments then do #1 macro from #2
line to #3 line
}{%
\doifsomethingelse{#2}{%2 args.
\doloopfromto{1}{#2}{#1}% if 2 arguments then do #1 macro for first
#2 lines
}%
{\doifsomethingelse{#1}{% 1 arg.
\doloopfromto{-1}{-1}{#1}%
}{% if without arguments then do \lineaction macro for all lines
\doloopfromto{-1}{-1}{\lineaction}%
}%
}%
}%
}%
Dne 13.7.2011 16:33, Wolfgang Schuster napsal(a):
Am 13.07.2011 um 16:09 schrieb Jaroslav Hajtmar:
Thanx Wolfgang,
It looks very interesting... It can be used this method for example for macro
definitions?
It depends what you want to achieve, while you try to create many commands
in the form \MacroXXX where each command contains some content i define
only one command which takes the content only when requested.
When I will return to the subject of this mail:
Can also be used for the council said Hans macros with multiple parameters?
For example macros without parameter is no problem:
context.setvalue('printline',calling.luafunction(),tex.par)
I assume that for a more parameters cannot be used context.setvalue (...) ..
But how to use multiple parameters when defining the macro as follows:
context([[\\def\\paramcontrol#1#2{%s}]],thirddata.scancsv.paramcontrol('#1',
'#2'))
Look into cldf-int.lua where you can see a method to create TeX commands
without optional arguments from Lua.
Wolfgang
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Re: [NTG-context] Optimal way to defining of macros in Luacode in ConTeXt
On 14-7-2011 5:12, Jaroslav Hajtmar wrote:
To show what macros I want to convert, I mention these examples:
\def\opencsvfile{%
\dosingleempty\doopencsvfile%
}
\def\doopencsvfile[#1]{%
\dosinglegroupempty\dodoopencsvfile
}
\def\dodoopencsvfile#1{%
\iffirstargument
\ctxlua{thirddata.scancsv.opencsvfile(#1)}
\else
\ctxlua{thirddata.scancsv.opencsvfile()}
\fi
}
There is no support yet for optional {} (which is to be avoided anyway
as [] is meant for optional arguments). Wolgangs example shows the
regular optional argument.
Hans
-
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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] Optimal way to defining of macros in Luacode in ConTeXt
Hello all.
It is GREAT! Thanx Hans and Wolfgang too. It is very instructive and
inspiring for me...
I was looking for something similar for a long time, but I have not
found anything (not even in the CLD-MKIV and others ...). Finally, after
yours reply to this email find something in the ctx-man.pdf from 1997
year :-).
But I have a few questions and comments on this subject:
1. Is there any possibility to do anything similar with counters,
dimensions etc? I trying but without success.
For example:
context.newcount(mycounter) or context.newcounter(mycounter)
context.mycounter=5 etc.
or it must be realized by classical way:
context('\\newcount\\mycounter')
context('\\mycounter=10')
context('\\advance\\mycounter by5')
context('\\the\\mycounter')
similary with \newdimen, \newif etc...
2. Any person interested in using context.setvalue{Mymacro,somevalue)
and context([[\def\MyMacro#1{#1}]]) syntaxes I have pointed out that the
second syntax only operates when the command is given in a separate LUA
file (ie file.lua) (ie not within an environment \startluacode -
\stopluacode in classical TEX file!!!). Hans told me once that it is the
individual categories of characters (backslash??) (if I remember correctly).
First syntax works perfectly in LUA and TeX files too.
Here I have a question. Why not comment out this case in TEX file?
\startluacode
-- context([[\def\macro#1{#1}]])
\stopluacode
I get error:
! Undefined control sequence.
-- context([[\def \macro
#1{#1}]])
\dodostartluacode ...and \directlua \zerocount {#1
}}
l.25 \stopluacode
?
That category characters again? Comment character -- works differently
in TEX file, and otherwise in the LUA file?
Ie. comment on the backslash?
3. Wolfgang write about using context command
\convertnumber{R}{1400} and the corresponding syntax:
context.convertnumber(R,1400) to roman converting.
It is great, but I could not figure out how to use in combination with
the above syntax (ie use case context.command) or find the appropriate
conversion LUA function (I did not use a custom function).
Is there any way to do something like that:
context([[\def\Macro%s{Macro%s}]],context.convertnumber(R,1400),1400) ???
ie. TEX command is used as a LuaTeX parameter?
Thanx Jaroslav
Dne 12.7.2011 17:43, Hans Hagen napsal(a):
On 12-7-2011 5:30, Jaroslav Hajtmar wrote:
But someone advised me that I use the better syntax:
context('\\def\\Mymacro\{arg of mymacro\}')
or context(\\def\\test#1{#1}) etc...
whatever you like best
context.setvalue{Mymacro,somevalue)
context([[\def\MyMacro#1{#1}]])
Exist other (best or most optimal) way to do?
for i = 1, 10 do
tex.sprint(tex.ctxcatcodes,'\\def\\macro'..ar2rom(i)..'\{macro
'..i..'\}')
context('\\def\\Macro'..ar2rom(i)..'\{Macro '..i..'\}')
end
for i = 1, 10 do
context([[\def\Macro%s{Macro%s}]],ar2rom(i),i)
end
When more than one argument is given, the context command treats the
first argument as format template.
By using the context command you can see what happens with
\enabletrackers[context.trace]
Hans
-
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] Optimal way to defining of macros in Luacode in ConTeXt
On 13-7-2011 10:05, Jaroslav Hajtmar wrote:
Hello all.
It is GREAT! Thanx Hans and Wolfgang too. It is very instructive and
inspiring for me...
I was looking for something similar for a long time, but I have not
found anything (not even in the CLD-MKIV and others ...). Finally, after
yours reply to this email find something in the ctx-man.pdf from 1997
year :-).
But I have a few questions and comments on this subject:
1. Is there any possibility to do anything similar with counters,
dimensions etc? I trying but without success.
For example:
context.newcount(mycounter) or context.newcounter(mycounter)
context.mycounter=5 etc.
As currently we cannot define a counter at the tex end (using countdef)
it would introduce too much complexitity to mimmick that now.
When you do:
context.newcount(name)
you should realize that this command is effectuated after the lua call,
so if you want a counter also at the tex level you should define it at
that end,
\newcount\name
or it must be realized by classical way:
context('\\newcount\\mycounter')
context('\\mycounter=10')
context('\\advance\\mycounter by5')
context('\\the\\mycounter')
tex.count.name = 10
tex.count.name = tex.count.name + 5
if you never need the counter at the tex end, you can of course use a
lua number instead.
similary with \newdimen, \newif etc...
at some point we will have helpers for that
2. Any person interested in using context.setvalue{Mymacro,somevalue)
and context([[\def\MyMacro#1{#1}]]) syntaxes I have pointed out that the
second syntax only operates when the command is given in a separate LUA
file (ie file.lua) (ie not within an environment \startluacode -
\stopluacode in classical TEX file!!!). Hans told me once that it is the
individual categories of characters (backslash??) (if I remember
correctly).
First syntax works perfectly in LUA and TeX files too.
indeed, but if you already have the command and it's defined as
unexpandable then you can use the [[ ]] method too
Here I have a question. Why not comment out this case in TEX file?
\startluacode
-- context([[\def\macro#1{#1}]])
\stopluacode
I get error:
! Undefined control sequence.
-- context([[\def \macro
#1{#1}]])
\dodostartluacode ...and \directlua \zerocount {#1
}}
l.25 \stopluacode
?
That category characters again? Comment character -- works differently
in TEX file, and otherwise in the LUA file?
Ie. comment on the backslash?
indeed
3. Wolfgang write about using context command
\convertnumber{R}{1400} and the corresponding syntax:
context.convertnumber(R,1400) to roman converting.
It is great, but I could not figure out how to use in combination with
the above syntax (ie use case context.command) or find the appropriate
conversion LUA function (I did not use a custom function).
Is there any way to do something like that:
context([[\def\Macro%s{Macro%s}]],context.convertnumber(R,1400),1400) ???
ie. TEX command is used as a LuaTeX parameter?
context([[\def\Macro%s{Macro%s}]],converters.romannumeral(1400),1400)
Hans
-
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] Optimal way to defining of macros in Luacode in ConTeXt
Great
Hans, thanx very much for complete an exhaustive answer..
It very help me to solve my module
Regards Jaroslav
Dne 13.7.2011 11:55, Hans Hagen napsal(a):
On 13-7-2011 10:05, Jaroslav Hajtmar wrote:
Hello all.
It is GREAT! Thanx Hans and Wolfgang too. It is very instructive and
inspiring for me...
I was looking for something similar for a long time, but I have not
found anything (not even in the CLD-MKIV and others ...). Finally, after
yours reply to this email find something in the ctx-man.pdf from 1997
year :-).
But I have a few questions and comments on this subject:
1. Is there any possibility to do anything similar with counters,
dimensions etc? I trying but without success.
For example:
context.newcount(mycounter) or context.newcounter(mycounter)
context.mycounter=5 etc.
As currently we cannot define a counter at the tex end (using
countdef) it would introduce too much complexitity to mimmick that now.
When you do:
context.newcount(name)
you should realize that this command is effectuated after the lua
call, so if you want a counter also at the tex level you should define
it at that end,
\newcount\name
or it must be realized by classical way:
context('\\newcount\\mycounter')
context('\\mycounter=10')
context('\\advance\\mycounter by5')
context('\\the\\mycounter')
tex.count.name = 10
tex.count.name = tex.count.name + 5
if you never need the counter at the tex end, you can of course use a
lua number instead.
similary with \newdimen, \newif etc...
at some point we will have helpers for that
2. Any person interested in using context.setvalue{Mymacro,somevalue)
and context([[\def\MyMacro#1{#1}]]) syntaxes I have pointed out that the
second syntax only operates when the command is given in a separate LUA
file (ie file.lua) (ie not within an environment \startluacode -
\stopluacode in classical TEX file!!!). Hans told me once that it is the
individual categories of characters (backslash??) (if I remember
correctly).
First syntax works perfectly in LUA and TeX files too.
indeed, but if you already have the command and it's defined as
unexpandable then you can use the [[ ]] method too
Here I have a question. Why not comment out this case in TEX file?
\startluacode
-- context([[\def\macro#1{#1}]])
\stopluacode
I get error:
! Undefined control sequence.
-- context([[\def \macro
#1{#1}]])
\dodostartluacode ...and \directlua \zerocount {#1
}}
l.25 \stopluacode
?
That category characters again? Comment character -- works differently
in TEX file, and otherwise in the LUA file?
Ie. comment on the backslash?
indeed
3. Wolfgang write about using context command
\convertnumber{R}{1400} and the corresponding syntax:
context.convertnumber(R,1400) to roman converting.
It is great, but I could not figure out how to use in combination with
the above syntax (ie use case context.command) or find the appropriate
conversion LUA function (I did not use a custom function).
Is there any way to do something like that:
context([[\def\Macro%s{Macro%s}]],context.convertnumber(R,1400),1400)
???
ie. TEX command is used as a LuaTeX parameter?
context([[\def\Macro%s{Macro%s}]],converters.romannumeral(1400),1400)
Hans
-
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] Optimal way to defining of macros in Luacode in ConTeXt
Am 13.07.2011 um 12:05 schrieb Jaroslav Hajtmar:
Great
Hans, thanx very much for complete an exhaustive answer..
It very help me to solve my module
A few dozen commands to access values aren’t a perfect solution,
there are better ways to access entries from a Lua table.
\starttext
\startusercode
entries = {
one = 1,
two = 2,
three = Three,
five = More text!
}
function getentry(name)
local entry = entries[name] or
global.context(entry)
end
\stopusercode
\define[1]\getentry{\usercode{getentry(#1)}}
\starttabulate
\NC one \EQ \getentry{one} \NC\NR
\NC two \EQ \getentry{two} \NC\NR
\NC three \EQ \getentry{three} \NC\NR
\NC four \EQ \getentry{four} \NC\NR
\NC five \EQ \getentry{five} \NC\NR
\stoptabulate
\stoptext
Wolfgang
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Re: [NTG-context] Optimal way to defining of macros in Luacode in ConTeXt
Thanx Wolfgang,
It looks very interesting... It can be used this method for example for
macro definitions?
When I will return to the subject of this mail:
Can also be used for the council said Hans macros with multiple parameters?
For example macros without parameter is no problem:
context.setvalue('printline',calling.luafunction(),tex.par)
I assume that for a more parameters cannot be used context.setvalue (...) ..
But how to use multiple parameters when defining the macro as follows:
context([[\\def\\paramcontrol#1#2{%s}]],thirddata.scancsv.paramcontrol('#1',
'#2'))
etc...
I want completely rewrite my entire module into LUA code (this means
only lua file without TEX code)
Thanx Jaroslav
Dne 13.7.2011 14:56, Wolfgang Schuster napsal(a):
Am 13.07.2011 um 12:05 schrieb Jaroslav Hajtmar:
Great
Hans, thanx very much for complete an exhaustive answer..
It very help me to solve my module
A few dozen commands to access values aren’t a perfect solution,
there are better ways to access entries from a Lua table.
\starttext
\startusercode
entries = {
one = 1,
two = 2,
three = Three,
five = More text!
}
function getentry(name)
local entry = entries[name] or
global.context(entry)
end
\stopusercode
\define[1]\getentry{\usercode{getentry(#1)}}
\starttabulate
\NC one \EQ \getentry{one} \NC\NR
\NC two \EQ \getentry{two} \NC\NR
\NC three \EQ \getentry{three} \NC\NR
\NC four \EQ \getentry{four} \NC\NR
\NC five \EQ \getentry{five} \NC\NR
\stoptabulate
\stoptext
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Re: [NTG-context] Optimal way to defining of macros in Luacode in ConTeXt
Am 13.07.2011 um 16:09 schrieb Jaroslav Hajtmar:
Thanx Wolfgang,
It looks very interesting... It can be used this method for example for macro
definitions?
It depends what you want to achieve, while you try to create many commands
in the form \MacroXXX where each command contains some content i define
only one command which takes the content only when requested.
When I will return to the subject of this mail:
Can also be used for the council said Hans macros with multiple parameters?
For example macros without parameter is no problem:
context.setvalue('printline',calling.luafunction(),tex.par)
I assume that for a more parameters cannot be used context.setvalue (...) ..
But how to use multiple parameters when defining the macro as follows:
context([[\\def\\paramcontrol#1#2{%s}]],thirddata.scancsv.paramcontrol('#1',
'#2'))
Look into cldf-int.lua where you can see a method to create TeX commands
without optional arguments from Lua.
Wolfgang
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Re: [NTG-context] Optimal way to defining of macros in Luacode in ConTeXt
On 13-7-2011 4:09, Jaroslav Hajtmar wrote:
But how to use multiple parameters when defining the macro as follows:
context([[\\def\\paramcontrol#1#2{%s}]],thirddata.scancsv.paramcontrol('#1',
'#2'))
interfaces.definecommand {
name = TwoMandate,
macro = thirddata.scancsv.paramcontrol,
arguments = {
{ content, string },
{ content, string },
},
}
-
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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[NTG-context] Optimal way to defining of macros in Luacode in ConTeXt
Hello ConTeXist.
How best (optimally) in Lua code in ConTeXt define own ConTeXt macros?
I was used recently LuaTeX syntax (for example) :
tex.sprint(tex.ctxcatcodes,'\\def\\mymacro\{arg of mymacro\}')
But someone advised me that I use the better syntax:
context('\\def\\Mymacro\{arg of mymacro\}')
or context(\\def\\test#1{#1}) etc...
Exist other (best or most optimal) way to do?
for example something like:
context.def.mymacro(first arg, sec arg:) (which of course does not
work ...)
Thanx Jaroslav
My example:
\startluacode
function ar2rom(arnum) -- Convert Arabic numbers to Roman. Used for
numbering column in the TeX macros
local romans = {{1000, M},
{900, CM}, {500, D}, {400, CD}, {100, C},
{90, XC}, {50, L}, {40, XL}, {10, X},
{9, IX}, {5, V}, {4, IV}, {1, I} }
local romnum=''
for _, v in ipairs(romans) do -- create of the Roman numbers
val, let = unpack(v)
while arnum = val do
arnum = arnum - val
romnum=romnum..let
end
end
return romnum
end
for i = 1, 10 do
tex.sprint(tex.ctxcatcodes,'\\def\\macro'..ar2rom(i)..'\{macro
'..i..'\}')
context('\\def\\Macro'..ar2rom(i)..'\{Macro '..i..'\}')
end
tex.sprint(tex.ctxcatcodes,'\\def\\mymacro\{arg of mymacro\}')
context('\\def\\Mymacro\{arg of Mymacro\}')
\stopluacode
\starttext
\macroI, \MacroI
\macroII, \MacroII
etc ...
\macroIX, \MacroIX
\macroX, \MacroX
\Mymacro, \mymacro
\stoptext
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Re: [NTG-context] Optimal way to defining of macros in Luacode in ConTeXt
On 12-7-2011 5:30, Jaroslav Hajtmar wrote:
But someone advised me that I use the better syntax:
context('\\def\\Mymacro\{arg of mymacro\}')
or context(\\def\\test#1{#1}) etc...
whatever you like best
context.setvalue{Mymacro,somevalue)
context([[\def\MyMacro#1{#1}]])
Exist other (best or most optimal) way to do?
for i = 1, 10 do
tex.sprint(tex.ctxcatcodes,'\\def\\macro'..ar2rom(i)..'\{macro '..i..'\}')
context('\\def\\Macro'..ar2rom(i)..'\{Macro '..i..'\}')
end
for i = 1, 10 do
context([[\def\Macro%s{Macro%s}]],ar2rom(i),i)
end
When more than one argument is given, the context command treats the
first argument as format template.
By using the context command you can see what happens with
\enabletrackers[context.trace]
Hans
-
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] Optimal way to defining of macros in Luacode in ConTeXt
Am 12.07.2011 um 17:30 schrieb Jaroslav Hajtmar:
Hello ConTeXist.
How best (optimally) in Lua code in ConTeXt define own ConTeXt macros?
I was used recently LuaTeX syntax (for example) :
tex.sprint(tex.ctxcatcodes,'\\def\\mymacro\{arg of mymacro\}')
But someone advised me that I use the better syntax:
context('\\def\\Mymacro\{arg of mymacro\}')
or context(\\def\\test#1{#1}) etc...
Exist other (best or most optimal) way to do?
You can use “context.setvalue”. To convert numbers in different formats
you can use the \convertnumber command.
\starttext
\startluacode
context.setvalue(One,1)
context.setvalue(Two,2)
\stopluacode
\define\Three{3}
\One:\Two:\Three
\blank
\startluacode
context.define({2},\\CMDA,[One:#1,Two:#2])
\stopluacode
\define[2]\CMDB{[One:#1,Two:#2]}
\CMDA{1}{2}
\CMDB{1}{2}
\blank
\convertnumber{R}{1400}
\stoptext
Wolfgang
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