4 Jun
2007
4 Jun
'07
9:02 p.m.
Vit Zyka wrote:
> Hans Hagen wrote:
>> Vit Zyka wrote:
>>> Hans Hagen wrote:
>>>> Vit Zyka wrote:
>>>>>
>>>>> thanks for a remmembering. As I said: this mail is a suggestion to
>>>>> solve a general problem by systemic way.
>>>>>
>>>> sure, but \input cannot be redefined in a robust way because of its
>>>> scanning nature; ok, in luatex we can intercept things, but not in
>>>> mkii
>>>> Hans
>>>
>>> I thought that the number of calling \input inside text state is
>>> limited---(only?) one example is a loading encoding definition file.
>>> Why not to incorporate the cleverness of setting a default
>>> \endinputchar to a macro that invokes \input?
>>>
>>>> \startreadingfile ... \stopreadingfile is an option then
>>>
>>> understand as a solution bypassing \input redefinition
>> it all depends on the usage ...
>> - most commands use \readfile, or \readjobfile or alike - when loading
>
> yes, in this case \readsysfile inside:
>
> \def\dododoincludepdffontresource#1% encoding
> {\bgroup
> \edef\currentencoding{#1}%
> \doifvaluesomething\pdffontfileresource
> {\startreadingfile
> \ignorelines % just in case \par is redefined;
>
> \readsysfile{pdfr-\getvalue\pdffontfileresource}\donothing\donothing
> \stopreadingfile
> \letgvalue\pdffontfileresource\empty}%
> \egroup}
>
>> modules of system files , we revert to tex catcode regimes etc
>> user files ... well, here tex (context) does not know what is dealt
>> with; take xml, in that case we want to stay in xml mode; or
>> verbatim, which needs to set up verbatim
>> actually this is all arranged already (and always has been)
>
> catcodes yes, but \endlinechar not:
>
> \def\startreadingfile% beter een every en \setnormalcatcodes
> {\doglobal\increment\readingfilelevel
> \the\everystartreadingfile
> \beginrestorecatcodes
> \setcatcodetable\prtcatcodes}
>
> why not introduce something like
>
> \beginrestoreendlinechar
\def\startreadingfile
{\doglobal\increment\readingfilelevel
\the\everystartreadingfile
\pushendofline
\restoreendofline
\beginrestorecatcodes
\setcatcodetable\prtcatcodes}
\def\stopreadingfile
{\endrestorecatcodes
\popendofline
\the\everystopreadingfile
\doglobal\decrement\readingfilelevel}
\let\normalstartreadingfile\startreadingfile
\let\normalstopreadingfile \stopreadingfile
there must have been a reason for not adding this, probably because when
we are in line by line mode we don;t want this; in the otr the
endlinechar is restored anyway
i'm a bit reluctant to just change these defaults because i cannot
forsee where it fails me
Hans
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Hans Hagen | PRAGMA ADE
Ridderstraat 27 | 8061 GH Hasselt | The Netherlands
tel: 038 477 53 69 | fax: 038 477 53 74 | www.pragma-ade.com
| www.pragma-pod.nl
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