diff options
| author | Karl Berry <karl@freefriends.org> | 2022-08-13 20:34:14 +0000 |
|---|---|---|
| committer | Karl Berry <karl@freefriends.org> | 2022-08-13 20:34:14 +0000 |
| commit | 212a3bb38611558d015360417e6cf25c8416e26c (patch) | |
| tree | 998b6c0209a2f55173a238995887ada7a2b00079 /Master/texmf-dist/doc/plain/transparent-io | |
| parent | bf434be5bc011fe4c6886412e910521a555ec09a (diff) | |
transparent-io (13aug22)
git-svn-id: svn://tug.org/texlive/trunk@64113 c570f23f-e606-0410-a88d-b1316a301751
Diffstat (limited to 'Master/texmf-dist/doc/plain/transparent-io')
19 files changed, 6021 insertions, 0 deletions
diff --git a/Master/texmf-dist/doc/plain/transparent-io/README b/Master/texmf-dist/doc/plain/transparent-io/README new file mode 100644 index 00000000000..bafccb36319 --- /dev/null +++ b/Master/texmf-dist/doc/plain/transparent-io/README @@ -0,0 +1,86 @@ +This package provides macros to make the file I/O in plain TeX more +transparent. That is, every \input, \openin, and \openout operation by +TeX is presented to the user who must check carefully what's going on +and then has to enter several inputs including the repetition of the +file name if the file I/O is accepted. + +The application of the macros requires concentration; don't execute +TeX with an instrumented source file hastily. Moreover, to use the +macros successfully you must have a non-beginner's knowledge of TeX. + +The macros are installed in an non-trivial process. The process is +described in the manual for a UNIX-like system. You must be able to +run sed and bash. + + +>>> PACKAGE MAINTAINERS: +This package cannot and should not be used from the TDS without an +__individual__ installation by the user. The installation procedure +renames the files and relocates them. + + +I use the words package, program, TrIO macros, or TrIO when I refer to +the program statements in the twelve files named either TrIO*.org (see +below) or TrIO*.tex (six files, see below), openin.tex, openout.tex, +TrIO*.sed (three files, see below), and TrIO.sh after the +installation. + + 1. TrIOmacros.org: main file to instrument a source file + 2. TrIOsupport.org: common macros to TrIOmacros.tex and TrIOauto.tex + 3. TrIOprivate.org: copies of control sequences and test routines + 4. TrIOinput.org: called for every \input + 5. TrIOopenin.org: entered by the user for every \openin + 6. TrIOopenout.org: entered by the user for every \openout + + 7. TrIOextract.org: sed script to create TrIOnames.tex (see manual) + 8. TrIOlineno.org: another sed script to create TrIOnames.tex + 9. TrIOauto.org: replacement for TrIOmacros.tex in repeated executions +10. TrIOopen.org: called for every I/O command in TrIOnames.tex + +11. TrIO.org: bash script to install the package +12. TrIOinstall.org: sed script to set passwords and private messages + +The last two files are only used for the installation. They must be +renamed and edited, see the manual. During their execution they will +change and rename the other ten files. + +The first six files are renamed during the installation so that all +have the extension .tex instead of .org; in the names of files 5 and 6 +the ``TrIO'' prefix is deleted too. Files 7--10 are also renamed: The +first two become sed scripts the other two .tex files. + + +This program is free software: you can redistribute it and/or modify +it under the terms of the GNU General Public License as published by +the Free Software Foundation, version 3 of the License. + +This program is distributed in the hope that it will be useful, +but WITHOUT ANY WARRANTY; without even the implied warranty of +MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +GNU General Public License for more details. + +You should have received a copy of the GNU General Public License +along with this program. If not, see <http://www.gnu.org/licenses/>. + + +The package consists of the following files: + +TrIO*.org -- 12 files (see above) that must be + customized to become an installation +Transparent-IO-doc.pdf -- a manual that describes the installation + and the use of the TrIO macros +Transparent-IO-doc.tex -- the source of the manual; it requires + plain TeX +Transparent-IO-example.tex -- an example from the documentation +Transparent-IO-eccentric.tex -- another example from the documentation +Transparent-IO-hello.tex -- used in the above two examples +Transparent-IO-TUGboat-danger.tex -- see the TUGboat article referenced in + the documentation for its relevance; + rename the file to ``danger.tex'' if + you want to run this example +README -- this file + +Copyright (C) 2022 Udo Wermuth (author) + u dot wermuth (at) icloud dot com + + diff --git a/Master/texmf-dist/doc/plain/transparent-io/TrIO.org b/Master/texmf-dist/doc/plain/transparent-io/TrIO.org new file mode 100755 index 00000000000..37d2a439ec6 --- /dev/null +++ b/Master/texmf-dist/doc/plain/transparent-io/TrIO.org @@ -0,0 +1,13 @@ +#!/bin/bash +inst_dir=. + +sed -f TrIOinstall.sed TrIOmacros.org > $inst_dir/TrIOmacros.tex +sed -f TrIOinstall.sed TrIOauto.org > $inst_dir/TrIOauto.tex +sed -f TrIOinstall.sed TrIOopen.org > $inst_dir/TrIOopen.tex +sed -f TrIOinstall.sed TrIOprivate.org > $inst_dir/TrIOprivate.tex +sed -f TrIOinstall.sed TrIOsupport.org > $inst_dir/TrIOsupport.tex +sed -f TrIOinstall.sed TrIOinput.org > $inst_dir/TrIOinput.tex +sed -f TrIOinstall.sed TrIOextract.org > $inst_dir/TrIOextract.sed +sed -f TrIOinstall.sed TrIOlineno.org > $inst_dir/TrIOlineno.sed +sed -f TrIOinstall.sed TrIOopenin.org > $inst_dir/openin.tex +sed -f TrIOinstall.sed TrIOopenout.org > $inst_dir/openout.tex diff --git a/Master/texmf-dist/doc/plain/transparent-io/TrIOauto.org b/Master/texmf-dist/doc/plain/transparent-io/TrIOauto.org new file mode 100644 index 00000000000..ce34681420d --- /dev/null +++ b/Master/texmf-dist/doc/plain/transparent-io/TrIOauto.org @@ -0,0 +1,61 @@ +\input TrIOsupport.tex +% +% First, macro for \input +% +\def\input{\TRIObegingroup \TrIOhandleglobaldefs \TrIOcountiocmd + \TrIOsetcatcodes \TrIOcount=\TRIOinputlineno \TRIOlet\TrIOnxt==% + \TRIOinput TrIOopen.tex } +\def\TrIOcCkPxXmove#1\input{% transfer tokens closer to \input + \def\TrIOcCkPxXtransfer{#1}\input} +% +% Second, macros for \openin and \openout (\immediate is handled in TrIOnames.tex) +% +\def\openin{\TRIOthe\TrIOtropenin} \TrIOtropenin={\TrIOopenin} +\def\TrIOopenin{\TRIObegingroup \TrIOhandleglobaldefs \TrIOcountiocmd + \TRIOxdef\TrIOnext{\TrIOcount=\TRIOthe\TRIOinputlineno}% + \TRIOafterassignment\TrIOOpenIn \TrIOcount=} +\def\TrIOOpenIn{\TRIOafterassignment\TrIOOPENIN \TRIOglobal\TRIOlet\TrIOnxt=} +\def\TrIOOPENIN{\TrIOnext \TrIOsetcatcodes \TRIOinput TrIOopen.tex } +\let\openout=\openin +% +% Third, macros used in TrIOnames.tex +% +\def\TrIOenvinput{% set \TrIOleft and \TrIOright for \input + \TRIOlet\TrIOleft=\TrIOendgroup \TRIOlet\TrIOright=\TRIOrelax} +\def\TrIOenvopen{% set \TrIOleft and \TrIOright for \openin & \openout + \TRIOlet\TrIOleft=\TRIOrelax \TRIOlet\TrIOright=\TrIOendgroup} +% +\def\TrIOfFLouUexecute{% password-protected name + \TRIOifx=\TrIOnxt \TRIOgdef\TrIOnext{TrIO_}% + \TRIOelse \TRIOgdef\TrIOnext{TrIO_\TrIOnxt}% + \TRIOfi \TRIOafterassignment\TrIOfFLouUdoiocmd + \TRIOfont\TRIOunused=\TrIOnext} +\def\TrIOfFLouUdoiocmd{% execute the I/O command + \TRIOlet\TrIOnext=\TRIOundefined \TrIOresumeafterassignment + % \TRIOunused is ``select font nullfont'' + % \TrIOiocmd is undefined for \openin & \openout, \TRIOinput for \input + % \TrIOfile is undefined for \openin & \openout, file name for \input + \TRIOifx\TrIOright\TRIOrelax \TRIOexpandafter\TrIOleft + \TRIOexpandafter\TrIOiocmd\TRIOexpandafter\TrIOfile + \TRIOelse \TrIOiocmd\TrIOfile\TrIOright + \TRIOfi} +% +% Start +% +\TRIOinput TrIOprivate.tex +\TRIOinput TrIOnames.tex +\begingroup \newlinechar=`\^^J +\errhelp{File I/O ( \input\openin\openout) is now under TrIO's control.^^JBe + alerted if a file is loaded without the proper TrIO message^^Jand + check that the file name without extension that raises^^Jthe font error matches + the file name of the TrIO message.} +\ifx y\disablespecial % deactivate \special; write to log file + \TrIOmessage{<<< TrIO >>> \string\special: disabled, trace in \jobname.log} +\else\ifx n\disablespecial % trace \special + \TrIOmessage{<<< TrIO >>> \string\special: primitive, trace in \jobname.log} +\else + \TrIOmessage{<<< TrIO >>> \string\special: primitive} +\fi\fi +\let\threenosubdirs=\undefined \let\twonosubdirs=\undefined +\let\disablespecial\undefined +\errmessage{TrIO auto-mode activated. Type h to get instructions}\endgroup diff --git a/Master/texmf-dist/doc/plain/transparent-io/TrIOextract.org b/Master/texmf-dist/doc/plain/transparent-io/TrIOextract.org new file mode 100644 index 00000000000..939b36720e1 --- /dev/null +++ b/Master/texmf-dist/doc/plain/transparent-io/TrIOextract.org @@ -0,0 +1,42 @@ +#n extract TrIO information from a .log file +/^This is TeX, Version 3.141592653/{ + s/^This is.*/\\def\\TrIOeEMnvVfilenames{% password-protected name/p +} +/^\*\*/{ + s/.*/\\TRIOifcase\\TrIOcnt\\TrIOstop{case 0 in auto}%/p +} +/^TrIO >>>/{ + x + s/}%%/ \\TrIOfile}%/p + x + s/\(.*\)/\\TrIOmessage{\1}%%/ + h + s/.*: /\\TRIOor\\TRIOdef\\TrIOiocmd{\\/ + s/input/TRIOinput/ + s/INPUT/TrIOcCkPxXtransfer\\TRIOinput/ + s/openin/TRIOaAmNzZopenin/ + s/immediate /TRIOimmediate\\/ + s/openout/TRIObBlOyYopenout/ + /TRIOinput/s/\\TRIOdef/\\TRIOgdef/ + s/%%/%/p +} +/^Please type another input file name/{ + s/.*: /\\TrIOenvinput\\TRIOgdef\\TrIOfile{/ + s/$/ }%/ + x + H +} +/^\\FilenameOPEN.*=/{ + s/.*=/\\TrIOenvopen\\TRIOdef\\TrIOfile{/ + s/$/}%/ + x + s/^.*\n//g + H +} +${ + x + s/}%%/ \\TrIOfile}%/p +} +$a\ +\\TRIOelse\\TrIOstop{unknown case ( \\TrIOcnt) in auto}%\ +\\TRIOfi\\TrIOfFLouUexecute} diff --git a/Master/texmf-dist/doc/plain/transparent-io/TrIOinput.org b/Master/texmf-dist/doc/plain/transparent-io/TrIOinput.org new file mode 100644 index 00000000000..6389ce84109 --- /dev/null +++ b/Master/texmf-dist/doc/plain/transparent-io/TrIOinput.org @@ -0,0 +1,13 @@ +\%`\0=12 \%`\3=12 \%`\4=12 \%`\5=12 \%`\6=12 \%`\7=12 +\%`\8=12 \%`\9=12 \%`\a=11 \%`\b=11 \%`\c=11 \%`\d=11 +\%`\e=11 \%`\f=11 \%`\g=11 \%`\h=11 \%`\i=11 \%`\j=11 +\%`\k=11 \%`\l=11 \%`\m=11 \%`\n=11 \%`\o=11 \%`\p=11 +\%`\q=11 \%`\r=11 \%`\s=11 \%`\t=11 \%`\u=11 \%`\v=11 +\%`\w=11 \%`\x=11 \%`\y=11 \%`\z=11 \%`\A=11 \%`\B=11 +\%`\C=11 \%`\D=11 \%`\E=11 \%`\F=11 \%`\G=11 \%`\H=11 +\%`\I=11 \%`\J=11 \%`\K=11 \%`\L=11 \%`\M=11 \%`\N=11 +\%`\O=11 \%`\P=11 \%`\Q=11 \%`\R=11 \%`\S=11 \%`\T=11 +\%`\U=11 \%`\V=11 \%`\W=11 \%`\X=11 \%`\Y=11 \%`\Z=11 +\%`\>=12 \%`\:=12 \%`\!=12 \%`\{=1 \%`\}=2 +\%`\%=\TrIOnext \TrIOdDjQwWcheck +\TrIOmessage{>>> TRIO: Check passed!} diff --git a/Master/texmf-dist/doc/plain/transparent-io/TrIOinstall.org b/Master/texmf-dist/doc/plain/transparent-io/TrIOinstall.org new file mode 100644 index 00000000000..3941347ded6 --- /dev/null +++ b/Master/texmf-dist/doc/plain/transparent-io/TrIOinstall.org @@ -0,0 +1,20 @@ +# change password-protected names in TrIO files +s/aAmNzZ/new password/g +s/bBlOyY/ditto but different/g +s/cCkPxX/ditto/g +s/dDjQwW/ditto/g +s/eEMnvV/ditto/g +s/fFLouU/ditto/g +s/gGKptT/ditto/g +s/hHJqsS/ditto/g +# the private messages in openin.tex and openout.tex +s/Enter 1> return 2> file name/new private message/g +# the private message in TrIOinput.tex +s/Check passed/another private message/g +# activate the next lines to change the prefix T[r|R]IO +# s/TrIOfixedef/TrIxOfixedef/g +# s/\\TRIO/\\TRIxO/g +# s/\\TrIO/\\TrIxO/g +# s./TRIO./TRIxO.g +# s./TrIO./TrIxO.g +# s/\\ifTrIO/\\ifTrIxO/g diff --git a/Master/texmf-dist/doc/plain/transparent-io/TrIOlineno.org b/Master/texmf-dist/doc/plain/transparent-io/TrIOlineno.org new file mode 100644 index 00000000000..ab73c059835 --- /dev/null +++ b/Master/texmf-dist/doc/plain/transparent-io/TrIOlineno.org @@ -0,0 +1,45 @@ +#n extract TrIO information from a .log file +/^This is TeX, Version 3.141592653/{ + s/^This is.*/\\def\\TrIOeEMnvVfilenames{% password-protected name/p +} +/^\*\*/{ + s/.*/\\ifcase\\TrIOcnt\\iffalse/p +} +/^TrIO >>>/{ + x + s/}%%/ \\TrIOfile}%/p + x + s/\(.*\)/\\TrIOmessage{\1}%%/ + h + s/.*Line /\\else\\TrIOstop{case ( \\TrIOcnt) in auto}\\fi\n\\or\\ifnum\\TrIOcount=/ + s/: /\\def\\TrIOiocmd{\\/ + s/input/TRIOinput/ + s/INPUT/TrIOcCkPxXtransfer\\TRIOinput/ + s/openin/TRIOaAmNzZopenin/ + s/immediate /immediate\\/ + s/openout/TRIObBlOyYopenout/ + /TRIOinput/s/\\def/\\gdef/ + s/%%/%/p +} +/^Please type another input file name/{ + s/.*: /\\TrIOenvinput\\gdef\\TrIOfile{/ + s/$/ }%/ + x + H +} +/^\\FilenameOPEN.*=/{ + s/.*=/\\TrIOenvopen\\def\\TrIOfile{/ + s/$/}%/ + x + s/^.*\n//g + H +} +${ + x + s/}%%/ \\TrIOfile}%/p + x + s/.*/\\else\\TrIOstop{case ( \\TrIOcnt) in auto}\\fi/p +} +$a\ +\\else\\TrIOstop{unknown case ( \\TrIOcnt) in auto}%\ +\\fi\\TrIOfFLouUexecute}
\ No newline at end of file diff --git a/Master/texmf-dist/doc/plain/transparent-io/TrIOmacros.org b/Master/texmf-dist/doc/plain/transparent-io/TrIOmacros.org new file mode 100644 index 00000000000..be5bd86a20f --- /dev/null +++ b/Master/texmf-dist/doc/plain/transparent-io/TrIOmacros.org @@ -0,0 +1,115 @@ +\input TrIOsupport.tex +% +% First, macros for \input +% +\def\TrIOempty{}\def\TrIOfixedef{\TRIOnoexpand\TrIOempty{}\TRIOendgroup} +% use \let\threenosubdirs=y or \let\twonosubdirs=y before \input \TrIOmacros +\ifx y\threenosubdirs % set the prefix for \input; the directories must no exist + \def\TrIOnosubdir{nosubdir/nosubdir/nosubdir/} +\else\ifx y\twonosubdirs + \def\TrIOnosubdir{nosubdir/nosubdir/} +\else + \def\TrIOnosubdir{nosubdir/} +\fi\fi +\let\threenosubdirs=\undefined \let\twonosubdirs=\undefined +% the next \def gives us the skip value 42 for \csname and \global, \long, \outer +\def\TrIOinputmessage{% inform user what happens and what has to be done + \TrIOmessage{TrIO >>> ( \TrIOcnt) Line \TRIOthe\TRIOinputlineno: input}% + \TrIOmessage{>>> enter shown file name without `\TrIOnosubdir'.}\TrIOmessage{<<<}} +\def\input{% add an unknown subdirectory to raise an error + \TRIObegingroup \TRIOafterassignment\TRIOnoexpand\TrIOempty + % the next line catches an \edef; then enter: 36, I\TrIOfixedef + \TRIOdef\TrIOskipXXXVIinsTrIOfixedef\TrIOempty{}\TrIOempty\TrIOhandleglobaldefs + \TRIOglobal\TRIOlet\TrIOskipXXXVIinsTrIOfixedef= \TRIOundefined \TrIOcountiocmd + \TrIOmessage{<<<}\TrIOsetcatcodes \TRIOinput TrIOinput.tex + \TrIOinputmessage \TrIOendgroup \TRIOinput \TrIOnosubdir}% plus file name gives error +\def\TrIOcCkPxXmove#1\input{% transfer tokens closer to \TRIOinput + \def\TrIOcCkPxXtransfer{#1}\TrIOcCkPxXinput} +\def\TrIOcCkPxXinputmessage{% inform user what happens and what has to be done + \TrIOmessage{TrIO >>> ( \TrIOcnt) Line \TRIOthe\TRIOinputlineno: INPUT}% + \TrIOmessage{>>> enter shown file name without `\TrIOnosubdir'.}\TrIOmessage{<<<}} +\def\TrIOcCkPxXinput{% variant of \input for \TrIOcCkPxXmove + \TRIObegingroup \TRIOafterassignment\TRIOnoexpand\TrIOempty + \TRIOdef\TrIOskipXXXVIinsTrIOfixedef\TrIOempty{}\TrIOempty\TrIOhandleglobaldefs + \TRIOglobal\TRIOlet\TrIOskipXXXVIinsTrIOfixedef= \TRIOundefined \TrIOcountiocmd + \TrIOmessage{<<<}\TrIOsetcatcodes \TRIOinput TrIOinput.tex + \TrIOcCkPxXinputmessage \TrIOendgroup \TrIOcCkPxXtransfer\TRIOinput \TrIOnosubdir} +% +% Second, macros for \openin +% +\def\openin{\TRIOthe\TrIOtropenin} \TrIOtropenin={\TrIOopenin} +\def\TrIOopenin{\TRIObegingroup \TrIOhandleglobaldefs \TrIOcountiocmd + \TRIOafterassignment\TrIOOpenIn \TrIOcount=}% get the stream number +\def\TrIOOpenIn{\TRIOafterassignment\TrIOOPENIN + \TRIOlet\TrIOnxt=}% remove an optional = +\def\TrIOOPENIN{% prepend the file name with a nonexistent subdirectory + \TrIOmessage{<<<}% + \TrIOmessage{TrIO >>> ( \TrIOcnt) Line \TRIOthe\TRIOinputlineno: + openin \TRIOthe\TrIOcount}% + \TrIOmessage{>>> If you accept that the file (without \TrIOnosubdir) is read}% + \TrIOmessage{>>> enter `openin' and follow the instructions.}% + \TrIOmessage{<<<}% + \TRIOifx=\TrIOnxt \TRIOdef\TrIOnxt{}\TRIOfi % keep a \next<>`=' + \TrIOsetcatcodes \TRIOinput \TrIOnosubdir\TrIOnxt}% read a file name +% look at file ``openin.tex'' +\def\TrIOaAmNzZopenin{% get a file name from user for \openin + \TRIOread16 to \FilenameOPENIN + \TRIOaAmNzZopenin\TRIOnumber\TrIOcount=\FilenameOPENIN + \TRIOlet\FilenameOPENIN=\TRIOundefined + \TRIOlet\TrIOnext=\TRIOundefined \TRIOlet\TrIOnxt=\TRIOundefined \TrIOendgroup} +% +% Third, macros for \immediate and \openout +% +\def\immediate{\TRIOthe\TrIOtrimmediate} \TrIOtrimmediate={\TrIOImmediate} +\def\TrIOImmediate{% set a flag if \openout follows + \TRIObegingroup \TrIOhandleglobaldefs + \TRIOafterassignment\TrIOIMMEDIATE + \TrIOcount=`x}% a trick to expand the following token +\def\TrIOIMMEDIATE#1{% if #1 is \TRIOimmediate set \TrIOimootrue + \TRIOifx#1\TRIOimmediate \TRIOglobal\TrIOimootrue + \TRIOelse \TRIOglobal\TrIOimoofalse\TRIOfi + \TrIOendgroup\TRIOimmediate#1}% apply the primitive +\def\openout{\TRIOthe\TrIOtropenout} \TrIOtropenout={\TrIOopenout} +\def\TrIOopenout{\TRIOimmediate\TRIObegingroup % unique start, not \begingroup + \TrIOhandleglobaldefs \TrIOcountiocmd + \TRIOafterassignment\TrIOOpenOut \TrIOcount=} +\def\TrIOOpenOut{\TRIOafterassignment\TrIOOPENOUT + \TRIOlet\TrIOnxt=}% remove an optional = +\def\TrIOOPENOUT{% prepend the file name with an unknown (!!) subdirectory + \TrIOmessage{<<<}% + \TrIOmessage{TrIO >>> ( \TrIOcnt) Line \TRIOthe\TRIOinputlineno: + \ifTrIOimoo immediate \TRIOfi openout \TRIOthe\TrIOcount}% + \TrIOmessage{>>> If you accept that the file (without \TrIOnosubdir) is created}% + \TrIOmessage{>>> enter `openout' and follow the instructions.}% + \TrIOmessage{<<<}% + \TRIOifx=\TrIOnxt \TRIOdef\TrIOnxt{}\TRIOfi % keep a \nxt<>`=' + \TrIOsetcatcodes \TRIOinput \TrIOnosubdir\TrIOnxt}% read a file name +% look at file ``openout.tex'' +\def\TrIObBlOyYopenout{% get a file name from user for \openout + \TRIOread16 to \FilenameOPENOUT + \ifTrIOimoo \TRIOglobal\TrIOimoofalse + \TRIOlet\TrIOnext=\TRIOimmediate + \TRIOelse \TRIOlet\TrIOnext=\TRIOrelax + \TRIOfi + \TrIOnext\TRIObBlOyYopenout\TRIOnumber\TrIOcount=\FilenameOPENOUT + \TRIOlet\FilenameOPENOUT=\TRIOundefined + \TRIOlet\TrIOnext=\TRIOundefined \TRIOlet\TrIOnxt=\TRIOundefined \TrIOendgroup} +% +% Start +% +\TRIOinput TrIOprivate +\begingroup \newlinechar=`\^^J +\errhelp{File I/O ( \input\openin\openout) is now under TrIO's control.^^JBe + alerted if a file is loaded without the proper TrIO message^^Jand + follow always the instruction of this message.^^JMake sure that the + sequence number is incremented sequentially.} +\ifx y\disablespecial % deactivate \special; write to log file + \TrIOmessage{<<< TrIO >>> \string\special: disabled, trace in \jobname.log} +\else\ifx n\disablespecial % trace \special + \TrIOmessage{<<< TrIO >>> \string\special: primitive, trace in \jobname.log} +\else + \TrIOmessage{<<< TrIO >>> \string\special: primitive} +\fi\fi +\let\disablespecial\undefined +\TrIOmessage{<<< TrIO >>> \string\TrIOnosubdir: \TrIOnosubdir} +\errmessage{TrIO activated. Type h to get instructions}\endgroup diff --git a/Master/texmf-dist/doc/plain/transparent-io/TrIOopen.org b/Master/texmf-dist/doc/plain/transparent-io/TrIOopen.org new file mode 100644 index 00000000000..4303164cc90 --- /dev/null +++ b/Master/texmf-dist/doc/plain/transparent-io/TrIOopen.org @@ -0,0 +1,11 @@ +\%`\0=12 \%`\3=12 \%`\4=12 \%`\5=12 \%`\6=12 \%`\7=12 +\%`\8=12 \%`\9=12 \%`\a=11 \%`\b=11 \%`\c=11 \%`\d=11 +\%`\e=11 \%`\f=11 \%`\g=11 \%`\h=11 \%`\i=11 \%`\j=11 +\%`\k=11 \%`\l=11 \%`\m=11 \%`\n=11 \%`\o=11 \%`\p=11 +\%`\q=11 \%`\r=11 \%`\s=11 \%`\t=11 \%`\u=11 \%`\v=11 +\%`\w=11 \%`\x=11 \%`\y=11 \%`\z=11 \%`\A=11 \%`\B=11 +\%`\C=11 \%`\D=11 \%`\E=11 \%`\F=11 \%`\G=11 \%`\H=11 +\%`\I=11 \%`\J=11 \%`\K=11 \%`\L=11 \%`\M=11 \%`\N=11 +\%`\O=11 \%`\P=11 \%`\Q=11 \%`\R=11 \%`\S=11 \%`\T=11 +\%`\U=11 \%`\V=11 \%`\W=11 \%`\X=11 \%`\Y=11 \%`\Z=11 +\%`\%=\TrIOnext \TrIOdDjQwWcheck \TrIOeEMnvVfilenames diff --git a/Master/texmf-dist/doc/plain/transparent-io/TrIOopenin.org b/Master/texmf-dist/doc/plain/transparent-io/TrIOopenin.org new file mode 100644 index 00000000000..77d4f3475d4 --- /dev/null +++ b/Master/texmf-dist/doc/plain/transparent-io/TrIOopenin.org @@ -0,0 +1,14 @@ +\%`\0=12 \%`\3=12 \%`\4=12 \%`\5=12 \%`\6=12 \%`\7=12 +\%`\8=12 \%`\9=12 \%`\a=11 \%`\b=11 \%`\c=11 \%`\d=11 +\%`\e=11 \%`\f=11 \%`\g=11 \%`\h=11 \%`\i=11 \%`\j=11 +\%`\k=11 \%`\l=11 \%`\m=11 \%`\n=11 \%`\o=11 \%`\p=11 +\%`\q=11 \%`\r=11 \%`\s=11 \%`\t=11 \%`\u=11 \%`\v=11 +\%`\w=11 \%`\x=11 \%`\y=11 \%`\z=11 \%`\A=11 \%`\B=11 +\%`\C=11 \%`\D=11 \%`\E=11 \%`\F=11 \%`\G=11 \%`\H=11 +\%`\I=11 \%`\J=11 \%`\K=11 \%`\L=11 \%`\M=11 \%`\N=11 +\%`\O=11 \%`\P=11 \%`\Q=11 \%`\R=11 \%`\S=11 \%`\T=11 +\%`\U=11 \%`\V=11 \%`\W=11 \%`\X=11 \%`\Y=11 \%`\Z=11 +\%`\>=12 \%`\{=1 \%`\}=2 \%`\%=\TrIOnext \TrIOdDjQwWcheck +\TRIOgGKptTpausing=1 \TRIOdef\TrIOnext{My message +Enter 1> return 2> file name}\TRIOgGKptTpausing=0 +\TrIOaAmNzZopenin diff --git a/Master/texmf-dist/doc/plain/transparent-io/TrIOopenout.org b/Master/texmf-dist/doc/plain/transparent-io/TrIOopenout.org new file mode 100644 index 00000000000..07a852d2790 --- /dev/null +++ b/Master/texmf-dist/doc/plain/transparent-io/TrIOopenout.org @@ -0,0 +1,14 @@ +\%`\0=12 \%`\3=12 \%`\4=12 \%`\5=12 \%`\6=12 \%`\7=12 +\%`\8=12 \%`\9=12 \%`\a=11 \%`\b=11 \%`\c=11 \%`\d=11 +\%`\e=11 \%`\f=11 \%`\g=11 \%`\h=11 \%`\i=11 \%`\j=11 +\%`\k=11 \%`\l=11 \%`\m=11 \%`\n=11 \%`\o=11 \%`\p=11 +\%`\q=11 \%`\r=11 \%`\s=11 \%`\t=11 \%`\u=11 \%`\v=11 +\%`\w=11 \%`\x=11 \%`\y=11 \%`\z=11 \%`\A=11 \%`\B=11 +\%`\C=11 \%`\D=11 \%`\E=11 \%`\F=11 \%`\G=11 \%`\H=11 +\%`\I=11 \%`\J=11 \%`\K=11 \%`\L=11 \%`\M=11 \%`\N=11 +\%`\O=11 \%`\P=11 \%`\Q=11 \%`\R=11 \%`\S=11 \%`\T=11 +\%`\U=11 \%`\V=11 \%`\W=11 \%`\X=11 \%`\Y=11 \%`\Z=11 +\%`\>=12 \%`\{=1 \%`\}=2 \%`\%=\TrIOnext \TrIOdDjQwWcheck +\TRIOgGKptTpausing=1 \TRIOdef\TrIOnext{My message +Enter 1> return 2> file name}\TRIOgGKptTpausing=0 +\TrIObBlOyYopenout diff --git a/Master/texmf-dist/doc/plain/transparent-io/TrIOprivate.org b/Master/texmf-dist/doc/plain/transparent-io/TrIOprivate.org new file mode 100644 index 00000000000..5aec8983f23 --- /dev/null +++ b/Master/texmf-dist/doc/plain/transparent-io/TrIOprivate.org @@ -0,0 +1,245 @@ +% password-protected names for the used primitives, internal regeisters and quantities +\let\TRIOhHJqsSbegingroup\begingroup +\let\TRIOhHJqsSendgroup\endgroup +\let\TRIOhHJqsSexpandafter\expandafter +\let\TRIOhHJqsSnoexpand\noexpand +\let\TRIOhHJqsSdef\def +\let\TRIOhHJqsSedef\edef +\let\TRIOhHJqsSgdef\gdef +\let\TRIOhHJqsSxdef\xdef +\let\TRIOhHJqsSlet\let +\let\TRIOhHJqsSfuturelet\futurelet +\let\TRIOhHJqsSglobal\global +\let\TRIOhHJqsSglobaldefs\globaldefs +\let\TRIOhHJqsSifcase\ifcase +\let\TRIOhHJqsSifcat\ifcat +\let\TRIOhHJqsSifnum\ifnum +\let\TRIOhHJqsSifx\ifx +\let\TRIOhHJqsSor\or +\let\TRIOhHJqsSelse\else +\let\TRIOhHJqsSfi\fi +\let\TRIOhHJqsSafterassignment\TRIOafterassignment % must use the \TRIO... name here +\let\TRIOhHJqsSimmediate\TRIOimmediate +\let\TRIOhHJqsSinput\TRIOinput +\let\TRIOhHJqsSread\read +\let\TRIOhHJqsSwrite\write +\let\TRIOhHJqsSthe\the +\let\TRIOhHJqsSnumber\number +\let\TRIOhHJqsSadvance\advance +\let\TRIOhHJqsScatcode\catcode +\let\TRIOhHJqsSfont\font +\let\TRIOhHJqsSinputlineno\inputlineno +\let\TRIOhHJqsSrelax\relax +\let\TRIOhHJqsSundefined\undefined +\let\TrIOhHJqsSspace\space +% +% password-protected macro names for allmost all defined macros +\let\TrIOhHJqsSwlog\TrIOwlog +\let\TrIOhHJqsSmessage\TrIOmessage +\let\TrIOhHJqsSglobaldefs\TrIOglobaldefs +\let\TrIOhHJqsSafter\TrIOafterassignment +\let\TrIOhHJqsSsuspend\TrIOsuspendafterassignment +\let\TrIOhHJqsSresume\TrIOresumeafterassignment +\let\TrIOhHJqsSinit\TrIOinitafterassignment +\let\TrIOhHJqsScheck\TrIOchecktoken +\let\TrIOhHJqsSstore\TrIOstoresavedtoken +\let\TrIOhHJqsSremove\TrIOremovesavedtoken +\let\TrIOhHJqsSAFTER\TrIOAFTERASSIGNMENT +\let\TrIOhHJqsSoutput\TrIOoutputtoken +\let\TrIOhHJqsScountiocmd\TrIOcountiocmd +\let\TrIOhHJqsShandleglobaldefs\TrIOhandleglobaldefs +\let\TrIOhHJqsSsetcatcodes\TrIOsetcatcodes +% nothing to do for \TRIOhHJqsSspecial +\let\TrIOhHJqsSempty\TrIOempty +\let\TrIOhHJqsSfixedef\TrIOfixedef +\let\TrIOhHJqsSnosubdir\TrIOnosubdir +\let\TrIOhHJqsSinputmessage\TrIOinputmessage +% nothing to do for \TrIOcCkPxXmove +% nothing to do for \TrIOcCkPxXinputmessage +% nothing to do for \TrIOcCkPxXinput +\let\TrIOhHJqsSopenin\TrIOopenin +\let\TrIOhHJqsSOpenIn\TrIOOpenIn +\let\TrIOhHJqsSOPENIN\TrIOOPENIN +% nothing to do for \TrIOaAmNzZopenin +\let\TrIOhHJqsSImmediate\TrIOImmediate +\let\TrIOhHJqsSIMMEDIATE\TrIOIMMEDIATE +\let\TrIOhHJqsSopenout\TrIOopenout +\let\TrIOhHJqsSOpenOut\TrIOOpenOut +\let\TrIOhHJqsSOPENOUT\TrIOOPENOUT +% nothing to do for \TrIObBlOyYopenout +\let\TrIOhHJqsSenvinput\TrIOenvinput +\let\TrIOhHJqsSenvopen\TrIOenvopen +% nothing to do for \TrIOfFLouUexecute +% nothing to do for \TrIOfFLouUdoiocmd +\let\TRIOhHJqsSerrmessage\errmessage +\let\TRIOhHJqsSiftrue\iftrue +\let\TRIOhHJqsSiffalse\iffalse +% nothing to do for \TrIOhHJqsSstop +% nothing to do for \TrIOdDjQwWcheck +\let\TRIOgGKptTpausing\pausing +% nothing to do for \TrIOeEMnvVfilenames +% +% password-protected names for token registers +\edef\TrIOhHJqsStrafter{\the\TrIOtrafterassignment} +\edef\TrIOhHJqsStropenin{\the\TrIOtropenin} +\edef\TrIOhHJqsStrimmediate{\the\TrIOtrimmediate} +\edef\TrIOhHJqsStropenout{\the\TrIOtropenout} +% +% test macro +% the next three macros need password-protected names +\def\TrIOhHJqsSstop#1{\TRIOhHJqsSerrmessage{TrIO ALERT !!! + Don't trust the source (#1)}} +\let\TrIOstop\TrIOhHJqsSstop +\def\TrIOdDjQwWcheck{% check that important macros aren't redefined + % general: \ifx, \else, \fi, and \TrIOstop + \TRIOhHJqsSifx\TRIOhHJqsSifx\TRIOifx + \TRIOhHJqsSelse\TrIOhHJqsSstop{TRIOifx}\TRIOhHJqsSfi + \TRIOifx\TRIOhHJqsSelse\TRIOelse + \TRIOhHJqsSelse\TrIOhHJqsSstop{TRIOelse}\TRIOhHJqsSfi + \TRIOifx\TRIOhHJqsSfi\TRIOfi + \TRIOelse\TrIOhHJqsSstop{TRIOfi}\TRIOhHJqsSfi + \TRIOifx\TrIOhHJqsSstop\TrIOstop + \TRIOelse\TrIOhHJqsSstop{TrIOstop}\TRIOfi + % + \TRIOifx\TRIOhHJqsSbegingroup\TRIObegingroup + \TRIOelse\TrIOstop{TRIObegingroup}\TRIOfi + \TRIOifx\TRIOhHJqsSendgroup\TRIOendgroup + \TRIOelse\TrIOstop{TRIOendgroup}\TRIOfi + \TRIOifx\TRIOhHJqsSexpandafter\TRIOexpandafter + \TRIOelse\TrIOstop{TRIOexpandafter}\TRIOfi + \TRIOifx\TRIOhHJqsSnoexpand\TRIOnoexpand + \TRIOelse\TrIOstop{TRIOnoexpand}\TRIOfi + \TRIOifx\TRIOhHJqsSdef\TRIOdef + \TRIOelse\TrIOstop{TRIOdef}\TRIOfi + \TRIOifx\TRIOhHJqsSedef\TRIOedef + \TRIOelse\TrIOstop{TRIOedef}\TRIOfi + \TRIOifx\TRIOhHJqsSgdef\TRIOgdef + \TRIOelse\TrIOstop{TRIOgdef}\TRIOfi + \TRIOifx\TRIOhHJqsSxdef\TRIOxdef + \TRIOelse\TrIOstop{TRIOxdef}\TRIOfi + \TRIOifx\TRIOhHJqsSlet\TRIOlet + \TRIOelse\TrIOstop{TRIOlet}\TRIOfi + \TRIOifx\TRIOhHJqsSfuturelet\TRIOfuturelet + \TRIOelse\TrIOstop{TRIOfuturelet}\TRIOfi + \TRIOifx\TRIOhHJqsSglobal\TRIOglobal + \TRIOelse\TrIOstop{TRIOglobal}\TRIOfi + \TRIOifx\TRIOhHJqsSglobaldefs\TRIOglobaldefs + \TRIOelse\TrIOstop{TRIOglobaldefs}\TRIOfi + \TRIOifx\TRIOhHJqsSifcase\TRIOifcase + \TRIOelse\TrIOstop{TRIOifcase}\TRIOfi + \TRIOifx\TRIOhHJqsSifcat\TRIOifcat + \TRIOelse\TrIOstop{TRIOifcat}\TRIOfi + \TRIOifx\TRIOhHJqsSifnum\TRIOifnum + \TRIOelse\TrIOstop{TRIOifnum}\TRIOfi + \TRIOifx\TRIOhHJqsSor\TRIOor + \TRIOelse\TrIOstop{TRIOor}\TRIOfi + \TRIOifx\TRIOhHJqsSafterassignment\TRIOafterassignment + \TRIOelse\TrIOstop{TRIOafterassignment}\TRIOfi + \TRIOifx\TRIOhHJqsSimmediate\TRIOimmediate + \TRIOelse\TrIOstop{TRIOimmediate}\TRIOfi + \TRIOifx\TRIOhHJqsSinput\TRIOinput + \TRIOelse\TrIOstop{TRIOinput}\TRIOfi + \TRIOifx\TRIOhHJqsSread\TRIOread + \TRIOelse\TrIOstop{TRIOread}\TRIOfi + \TRIOifx\TRIOhHJqsSwrite\TRIOwrite + \TRIOelse\TrIOstop{TRIOwrite}\TRIOfi + \TRIOifx\TRIOhHJqsSthe\TRIOthe + \TRIOelse\TrIOstop{TRIOthe}\TRIOfi + \TRIOifx\TRIOhHJqsSnumber\TRIOnumber + \TRIOelse\TrIOstop{TRIOnumber}\TRIOfi + \TRIOifx\TRIOhHJqsSadvance\TRIOadvance + \TRIOelse\TrIOstop{TRIOadvance}\TRIOfi + \TRIOifx\TRIOhHJqsScatcode\TRIOcatcode + \TRIOelse\TrIOstop{TRIOcatcode}\TRIOfi + \TRIOifx\TRIOhHJqsSfont\TRIOfont + \TRIOelse\TrIOstop{TRIOfont}\TRIOfi + \TRIOifx\TRIOhHJqsSinputlineno\TRIOinputlineno + \TRIOelse\TrIOstop{TRIOinputlineno}\TRIOfi + \TRIOifx\TRIOhHJqsSrelax\TRIOrelax + \TRIOelse\TrIOstop{TRIOrelax}\TRIOfi + \TRIOifx\TRIOhHJqsSundefined\TRIOundefined + \TRIOelse\TrIOstop{TRIOundefined}\TRIOfi + \TRIOifx\TrIOhHJqsSspace\TrIOspace + \TRIOelse\TrIOstop{TrIOspace}\TRIOfi + \TRIOifx\TrIOhHJqsSwlog\TrIOwlog + \TRIOelse\TrIOstop{TrIOwlog}\TRIOfi + \TRIOifx\TrIOhHJqsSmessage\TrIOmessage + \TRIOelse\TrIOstop{TrIOmessage}\TRIOfi + \TRIOifx\TrIOhHJqsSglobaldefs\TrIOglobaldefs + \TRIOelse\TrIOstop{TrIOglobaldefs}\TRIOfi + \TRIOifx\TrIOhHJqsSafter\TrIOafterassignment + \TRIOelse\TrIOstop{TrIOafterassignment}\TRIOfi + \TRIOifx\TrIOhHJqsSsuspend\TrIOsuspendafterassignment + \TRIOelse\TrIOstop{TrIOsuspendafterassignment}\TRIOfi + \TRIOifx\TrIOhHJqsSresume\TrIOresumeafterassignment + \TRIOelse\TrIOstop{TrIOresumeafterassignment}\TRIOfi + \TRIOifx\TrIOhHJqsSinit\TrIOinitafterassignment + \TRIOelse\TrIOstop{TrIOinitafterassignment}\TRIOfi + \TRIOifx\TrIOhHJqsScheck\TrIOchecktoken + \TRIOelse\TrIOstop{TrIOchecktoken}\TRIOfi + \TRIOifx\TrIOhHJqsSstore\TrIOstoresavedtoken + \TRIOelse\TrIOstop{TrIOstoresavedtoken}\TRIOfi + \TRIOifx\TrIOhHJqsSremove\TrIOremovesavedtoken + \TRIOelse\TrIOstop{TrIOremovesavedtoken}\TRIOfi + \TRIOifx\TrIOhHJqsSAFTER\TrIOAFTERASSIGNMENT + \TRIOelse\TrIOstop{TrIOAFTERASSIGNMENT}\TRIOfi + \TRIOifx\TrIOhHJqsSoutput\TrIOoutputtoken + \TRIOelse\TrIOstop{TrIOoutputtoken}\TRIOfi + \TRIOifx\TrIOhHJqsScountiocmd\TrIOcountiocmd + \TRIOelse\TrIOstop{TrIOcountiocmd}\TRIOfi + \TRIOifx\TrIOhHJqsShandleglobaldefs\TrIOhandleglobaldefs + \TRIOelse\TrIOstop{TrIOhandleglobaldefs}\TRIOfi + \TRIOifx\TrIOhHJqsSsetcatcodes\TrIOsetcatcodes + \TRIOelse\TrIOstop{TrIOsetcatcodes}\TRIOfi + \TRIOifx\TrIOhHJqsSempty\TrIOempty + \TRIOelse\TrIOstop{TrIOempty}\TRIOfi + \TRIOifx\TrIOhHJqsSfixedef\TrIOfixedef + \TRIOelse\TrIOstop{TrIOfixedef}\TRIOfi + \TRIOifx\TrIOhHJqsSnosubdir\TrIOnosubdir + \TRIOelse\TrIOstop{TrIOnosubdir}\TRIOfi + \TRIOifx\TrIOhHJqsSinputmessage\TrIOinputmessage + \TRIOelse\TrIOstop{TrIOinputmessage}\TRIOfi + \TRIOifx\TrIOhHJqsSopenin\TrIOopenin + \TRIOelse\TrIOstop{TrIOopenin}\TRIOfi + \TRIOifx\TrIOhHJqsSOpenIn\TrIOOpenIn + \TRIOelse\TrIOstop{TrIOOpenIn}\TRIOfi + \TRIOifx\TrIOhHJqsSOPENIN\TrIOOPENIN + \TRIOelse\TrIOstop{TrIOOPENIN}\TRIOfi + \TRIOifx\TrIOhHJqsSImmediate\TrIOImmediate + \TRIOelse\TrIOstop{TrIOImmediate}\TRIOfi + \TRIOifx\TrIOhHJqsSIMMEDIATE\TrIOIMMEDIATE + \TRIOelse\TrIOstop{TrIOIMMEDIATE}\TRIOfi + \TRIOifx\TrIOhHJqsSopenout\TrIOopenout + \TRIOelse\TrIOstop{TrIOopenout}\TRIOfi + \TRIOifx\TrIOhHJqsSOpenOut\TrIOOpenOut + \TRIOelse\TrIOstop{TrIOOpenOut}\TRIOfi + \TRIOifx\TrIOhHJqsSOPENOUT\TrIOOPENOUT + \TRIOelse\TrIOstop{TrIOOPENOUT}\TRIOfi + \TRIOifx\TrIOhHJqsSenvinput\TrIOenvinput + \TRIOelse\TrIOstop{TrIOenvinput}\TRIOfi + \TRIOifx\TrIOhHJqsSenvopen\TrIOenvopen + \TRIOelse\TrIOstop{TrIOenvopen}\TRIOfi + % registers and flags + \TRIObegingroup \TrIOsuspendafterassignment + \TRIOedef\TRIOnext{\the\TrIOtrafterassignment}% + \TRIOifx\TRIOnext\TrIOhHJqsStrafter + \TRIOelse\TrIOstop{TRIOtrafterassignment}\TRIOfi + \TRIOedef\TRIOnext{\the\TrIOtropenin}% + \TRIOifx\TRIOnext\TrIOhHJqsStropenin + \TRIOelse\TrIOstop{TRIOtropenin}\TRIOfi + \TRIOedef\TRIOnext{\the\TrIOtrimmediate}% + \TRIOifx\TRIOnext\TrIOhHJqsStrimmediate + \TRIOelse\TrIOstop{TRIOtrimmediate}\TRIOfi + \TRIOedef\TRIOnext{\the\TrIOtropenout}% + \TRIOifx\TRIOnext\TrIOhHJqsStropenout + \TRIOelse\TrIOstop{TRIOtropenout}\TRIOfi + \TRIOcatcode`\1=12 \TRIOcatcode`\f=11 + \TRIOifcat + \TRIOifx\ifTrIOimoo\TRIOhHJqsSiftrue 1\TRIOelse f\TRIOfi + \TRIOifx\ifTrIOimoo\TRIOhHJqsSiffalse f\TRIOelse 1\TRIOfi + \TRIOelse\TrIOstop{ifTrIOimoo}\TRIOfi + \TRIOendgroup + % \special + \TRIOifx\TRIOhHJqsSspecial\TRIOhHJqsSundefined + \TRIOelse\TRIOifx\TRIOhHJqsSspecial\special + \TRIOelse\TrIOstop{special}\TRIOfi\TRIOfi} diff --git a/Master/texmf-dist/doc/plain/transparent-io/TrIOsupport.org b/Master/texmf-dist/doc/plain/transparent-io/TrIOsupport.org new file mode 100644 index 00000000000..b62b15ded7d --- /dev/null +++ b/Master/texmf-dist/doc/plain/transparent-io/TrIOsupport.org @@ -0,0 +1,163 @@ +% \let-assignments of the used primitives, internal regeisters and quantities +\let\TRIObegingroup\begingroup +\let\TRIOendgroup\endgroup +\let\TRIOexpandafter\expandafter +\let\TRIOnoexpand\noexpand +\let\TRIOdef\def +\let\TRIOedef\edef +\let\TRIOgdef\gdef +\let\TRIOxdef\xdef +\let\TRIOlet\let +\let\TRIOfuturelet\futurelet +\let\TRIOglobal\global +\let\TRIOglobaldefs\globaldefs +\let\TRIOifcase\ifcase +\let\TRIOifcat\ifcat +\let\TRIOifnum\ifnum +\let\TRIOifx\ifx +\let\TRIOor\or +\let\TRIOelse\else +\let\TRIOfi\fi +\let\TRIOafterassignment=\afterassignment +\let\TRIOimmediate\immediate +\let\TRIOinput\input +\let\TRIOread\read +\let\TRIOwrite\write +\let\TRIOthe\the +\let\TRIOnumber\number +\let\TRIOadvance\advance +\let\TRIOcatcode\catcode +\let\TRIOfont\font +\let\TRIOinputlineno\inputlineno +\let\TRIOrelax\relax +\let\TRIOundefined\undefined +% +\let\TrIOspace\space +% +\catcode`@=11 +\def\wlog{\TRIOimmediate\write\m@ne}% avoid our macros for \immediate in \wlog +\def\TrIOwlog{\TRIOimmediate\TRIOwrite\m@ne}% and provide version with our \write +\def\TrIOmessage{\TRIOimmediate\TRIOwrite\sixt@@n}% can't use \newlinechar +\catcode`@=12 +% +% First: \afterassignment +% +\newif\ifTrIOsavedtoken % true: a token is stored by \afterassignment +\newif\ifTrIOblockafterassignment % true: don't insert a token after an assignment +\newif\ifTrIOusetokenlist % true: store the saved token in a token register +\newtoks\TrIOtoken % the token register for \afterassignment +\newtoks\TrIOtrafterassignment +% \globaldefs +\def\TrIOglobaldefs{% inform about \globaldefs>0 and switch to \globaldefs=0 + \TRIOifnum\TRIOglobaldefs>0 \TrIOmessage{TrIO Info: globaldefs is >0 (store)}% + \TRIOafterassignment\TrIOsuspendafterassignment \TRIOglobaldefs=0 + \TRIOdef\TrIOresetglobaldefs{\TrIOblockafterassignmentfalse + \TRIOafterassignment\TrIOinitafterassignment\TRIOglobaldefs=1 }% + \TRIOelse\TRIOifnum\TRIOglobaldefs<0 + \TRIOafterassignment\TrIOsuspendafterassignment \TRIOglobaldefs=0 + \TRIOdef\TrIOresetglobaldefs{\TrIOblockafterassignmentfalse + \TRIOafterassignment\TrIOinitafterassignment\TRIOglobaldefs=-1 }% + \TRIOelse \TrIOsuspendafterassignment + \TRIOdef\TrIOresetglobaldefs{\TrIOresumeafterassignment}% +\TRIOfi\TRIOfi} +% the replacement of the primitive +\def\afterassignment{\TRIOthe\TrIOtrafterassignment} +\TrIOtrafterassignment={\TrIOafterassignment} +\def\TrIOafterassignment{% save a token for further inspection + \TRIObegingroup\TRIOendgroup % a trick to make the prefix \global invalid + \TrIOglobaldefs \TrIOsavedtokentrue % stop \globaldefs; store a token + \TRIOfuturelet\TrIOsavedtoken\TrIOchecktoken}% the token stays in the input +% two more user commands for those who know the macros +\def\TrIOsuspendafterassignment{% inactivate the application of the token + \TrIOblockafterassignmenttrue} +\def\TrIOresumeafterassignment{% activate insertion of a stored token + \TrIOblockafterassignmentfalse\TrIOinitafterassignment} +\def\TrIOinitafterassignment{\TRIOafterassignment\TrIOAFTERASSIGNMENT} +% the internal macros +\def\TrIOchecktoken{% check type of token, store a macro in token register + \TRIOifcat\TRIOnoexpand\TrIOsavedtoken\TRIOrelax + \TRIOlet\TrIOnext=\TrIOstoresavedtoken % save the macro in \TrIOtoken + \TRIOelse \TRIOlet\TrIOnext=\TrIOremovesavedtoken % otherwise remove token + \TRIOfi \TrIOnext} +\def\TrIOstoresavedtoken#1{% #1: control sequence stored in token register + \TRIOlet\TrIOnext=\TRIOundefined + \TrIOusetokenlisttrue\TrIOtoken={#1}\TrIOresetglobaldefs} +\def\TrIOremovesavedtoken{% the \TrIOsavedtoken is still part of the input + \TRIOlet\TrIOnext=\TRIOundefined + \TrIOusetokenlistfalse\TRIOafterassignment\TrIOresetglobaldefs + \TRIOlet\TrIOsavedtoken=} +\def\TrIOAFTERASSIGNMENT{% use the stored token (sometimes) + \ifTrIOblockafterassignment % if true nothing to do + \TRIOelse\ifTrIOsavedtoken % otherwise only if a token is saved + \TRIOifnum\TRIOglobaldefs>0 \TrIOmessage{TrIO Info: globaldefs is 1 (apply)}% + \TRIOglobaldefs=0 \TrIOsavedtokenfalse + \TRIOglobaldefs=1 \TRIOelse \TrIOsavedtokenfalse \TRIOfi + \TRIOexpandafter\TRIOexpandafter\TRIOexpandafter\TrIOoutputtoken + \TRIOexpandafter % get rid of the 2 \fi with 3+1 \expandafter + \fi\fi} +\def\TrIOoutputtoken{% output the token depending on its type + \ifTrIOusetokenlist \TRIOexpandafter\TRIOthe\TRIOexpandafter\TrIOtoken + \TRIOelse \TRIOexpandafter\TrIOsavedtoken \TRIOfi} +% +% Second: \input +% +% make sure that a file loaded via \input is always displayed on the terminal +\let\batchmode\scrollmode \let\nonstopmode\scrollmode +\def\TrIOcnt{0 }% an internal counter for each \input, \openin, \openout +\countdef\TrIOcount=255 % counter for \TrIOcnt, stream numbers, etc.; used in a group +\def\TrIOcountiocmd{% increment \TrIOcnt + \TrIOcount=\TrIOcnt \TRIOadvance \TrIOcount by 1 + \TRIOxdef\TrIOcnt{\TRIOnumber\TrIOcount\TrIOspace}} +\def\TrIOhandleglobaldefs{% inform about \globaldefs>0 and switch to \globaldefs=0 + \TRIOifnum\TRIOglobaldefs>0 \TrIOmessage{TrIO Info: globaldefs is >0 (I/O)}% + \TRIOafterassignment\TrIOsuspendafterassignment \TRIOglobaldefs=0 + \TRIOdef\TrIOendgroup{\TRIOendgroup % end a group opened earlier + \TRIOafterassignment\TrIOinitafterassignment \TRIOglobaldefs=1 }% + \TRIOelse \TrIOsuspendafterassignment \TRIOglobaldefs=0 + \TRIOdef\TrIOendgroup{\TRIOendgroup\TrIOinitafterassignment}% + \TRIOfi} +\def\TrIOsetcatcodes{% establish a few \catcodes + \TRIOedef\TrIOnext{\TRIOthe\TRIOcatcode`\%}{\TRIOcatcode`\%=\TrIOnext}% + \TRIOcatcode`\%=12 \TRIOlet\%=\TRIOcatcode + \%`\\=0 \%`\==12 \%`\`=12 \%`\1=12 \%`\2=12 } +% +% Third: \openin +% +\newtoks\TrIOtropenin +\let\TRIOaAmNzZopenin=\openin % this name must be password protected +% +% Fourth: \immediate and \openout +% +\newif\ifTrIOimoo % true: \immediate is applied to \openout +\newtoks\TrIOtrimmediate +\newtoks\TrIOtropenout +\let\TRIObBlOyYopenout=\openout % this name must be password protected +% +% Fifth: \special +% +\ifx y\disablespecial % deactivate \special; write to log file + \def\special{\TrIOwlog{<<< TrIO >>> Line \TRIOthe\inputlineno: special}\TrIOwlog}% + \let\TRIOhHJqsSspecial\special +\else\ifx n\disablespecial % trace \special + \tracingoutput=1 \showboxdepth=10000 \showboxbreadth=10000 + \let\tracingoutput=\tracinglostchars + \let\showboxdepth=\tracinglostchars \let\showboxbreadth=\tracinglostchars +\fi\fi +\let\disablespecial\undefined +% +% NO WARRANTY +% +\begingroup\newlinechar=`\^^J +% This program is free software: you can redistribute it and/or modify +% it under the terms of the GNU General Public License as published by +% the Free Software Foundation, version 3 (GPL3). +% If you change the next line to \iffalse please obey the GPL3 license +% when you distribute such a changed macro file. +\iftrue + \errhelp{This program is distributed in the hope that it will be + useful,^^Jbut WITHOUT ANY WARRANTY; without even the implied warranty + of^^JMERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See + the^^JGNU General Public License, version 3, for more + details.^^JType `x' if you want to stop the execution of TrIO now.} + \errmessage{The TrIO macros come with ABSOLUTELY NO WARRANTY; for details type `h'} +\fi\endgroup diff --git a/Master/texmf-dist/doc/plain/transparent-io/Transparent-IO-TUGboat-danger.tex b/Master/texmf-dist/doc/plain/transparent-io/Transparent-IO-TUGboat-danger.tex new file mode 100644 index 00000000000..d9f5fa45ecc --- /dev/null +++ b/Master/texmf-dist/doc/plain/transparent-io/Transparent-IO-TUGboat-danger.tex @@ -0,0 +1,22 @@ +\input TrIOmacros +\newif\ifcontinue \continuetrue +\def\uncat{\def\do##1{\c`##1=12 }\dospecials +\do\^^M\do\*}\def\nice{\endlinechar=`\^^M +\uncat}\def\readline#1to#2{\begingroup\nice +\global\read#1to#2\endgroup}% +{\newwrite\w\let\c\catcode\c`*13\def +*{\afterassignment\d\count255"}\def\d{% +\expandafter\c\the\count255=12}{*0D\def% +\a#1^^M{\immediate\write\w{#1}}\c`^^M5% +\newread\r\openin\r=\jobname +\immediate\openout\w=../justafile.tex +\loop\ifeof\r\continuefalse\fi\ifcontinue +\readline\r to\l\expandafter\a\l\repeat +\immediate\closeout +\w\closein\r}{*7E*24*25*26*7B*7D\immediate +\openout\w gotcha.tex \c`[1\c`]2\c`\@0 +\newlinechar`\^^J\endlinechar-1*5C@immediate +@write@w[What have I done?]@immediate +@closeout@w]}% +\bye + diff --git a/Master/texmf-dist/doc/plain/transparent-io/Transparent-IO-doc.pdf b/Master/texmf-dist/doc/plain/transparent-io/Transparent-IO-doc.pdf new file mode 100644 index 00000000000..53a37def89a --- /dev/null +++ b/Master/texmf-dist/doc/plain/transparent-io/Transparent-IO-doc.pdf @@ -0,0 +1,4309 @@ +%PDF-1.3 +%âãÏÓ
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+\def\beginverbatim{\medskip\noindent\bgroup\frenchspacing\tt} +\def\parni{\par\noindent}\def\endverbatim{\egroup\goodbreak\medskip} +% for control sequences in text another macro is used +\def\cs#1{{\tt\string#1}} +% important instructions are formulated as rules: +\def\rule#1{\smallskip\def\par{\let\par=\endgraf\smallskip}{\parindent52pt \item{\rm#1. RULE:}}} +% macros to indent error messages +\def\fivespaces{\ \ \ \ \ }\def\tenspaces{\fivespaces\fivespaces} +\def\twentyspaces{\tenspaces\tenspaces}\def\fortyspaces{\twentyspaces\twentyspaces} +% macro to enter file names with descriptions +\def\filename #1. #2:{\item{#1.}\hbox to 100pt{{\tt#2}\hfil--}} +% +\hyphenation{TrIO-macros TrIO-support TrIO-private TrIO-input + TrIO-extract TrIO-lineno TrIO-auto TrIO-open TrIO-names + TrIO-install openin open-out} +\parskip=0pt + + + +\centerline{\bf TrIO: Transparent file I/O} +\smallskip +\centerline{\bf Version of 2022-04-30} +\smallskip +\centerline{Udo Wermuth} +\smallskip + +\noindent +The macros are written for the {\bf original \TeX} running with the +format {\bf plain.tex}. It assumes that a path to a file uses +directory names that are separated by slashes. Except letters, digits, +and the slash only a period is used to separate the main part of the +file name and its extension. + +The operation is done on a {\bf command line} and makes use of a {\bf +bash script} and the stream editor~{\bf sed}. The installation scripts +assume a {\bf UNIX-like operating system}. + +The application of the macros requires {\bf concentration}; don't +execute \TeX\ with an instrumented source file hastily. Moreover, to +use the macros successfully you must have a {\bf non-beginner's +knowledge} of~\TeX. Strictly speaking, {\bf the more you know about +plain \TeX\ the better}; see section~10. + +\smallskip +{\sl Note}: My article in {\sl TUGboat\/} 43:1 (2022), 59--72, +contains a lot of additional information, for example, about my +motivation to develop these macros. But it omits some parts like the +start message. I suggest to read the article and this manual if +you want to apply the macros. + +\beginsection \rm a) Meaning of ``transparent'' + +The word ``transparent'' means that the instrumented source cannot do +any \cs\input, \cs\openin, or \cs\openout\ without an approval of the +user. Well, {\tt\string\input} is an exception as it might be possible +to input a file without approval---{\sl might} because it depends on +your operating system and your \TeX\ program---but that a file is +input is always shown on the terminal and the user must stop the +processing. An evil-doer might try to circumvent the reporting of the +macros. In such a case the user must check the source carefully for +malicious code before it should be compiled again by~\TeX. + +\beginsection \rm b) Rules + +As indicated in the previous paragraph the application of the macros +requires that the user follows a couple of rules. Otherwise the macros +of this package might not do what is intended. + + \rule1 Create in the directory with the source that you want to test +a new subdirectory, say, {\tt trioo}, and redirect all \cs\openout\ +commands to this subdirectory. + + \rule2 Check that the bundle of the source files doesn't include a +file that carries a name that's identical to a file name of this +package. Otherwise rename such a source file. + + \rule3 Never approve that a file of this package is processed by the +source file. Enter the new name of a source file if you renamed one of +them because of rule~2. Otherwise stop the run and check the source. + + \rule4 Follow all terminal messages carefully; don't allow that the +source inputs a file without your approval. Otherwise stop the run and +check the source. (Maybe you need to apply an option; see section~4.) + + + +\beginsection 1. Files in the package + +The package contains the following files: + +\medskip +\filename 1. TrIOmacros.org: main file to instrument a source file +\filename 2. TrIOsupport.org: common macros to {\tt TrIOmacros.tex} and {\tt TrIOauto.tex} +\filename 3. TrIOprivate.org: copies of control sequences and test routines +\filename 4. TrIOinput.org: called for every \cs\input +\filename 5. TrIOopenin.org: entered by the user for every \cs\openin +\filename 6. TrIOopenout.org: entered by the user for every \cs\openout +\smallskip +\filename 7. TrIOextract.org: {\tt sed} script to create {\tt TrIOnames.tex} +\filename 8. TrIOlineno.org: another {\tt sed} script to create {\tt TrIOnames.tex} +\filename 9. TrIOauto.org: replacement for {\tt TrIOmacros.tex} in repeated executions +\filename 10. TrIOopen.org: called for every I/O command in {\tt TrIOnames.tex} +\smallskip +\filename 11. TrIO.org: {\tt bash} script to install the package +\filename 12. TrIOinstall.org: {\tt sed} script to set passwords and private messages +\filbreak\medskip + +The last two files are only used for the installation. They must be +renamed and edited, see section~2. The other files get a new extension +during the installation. + +The first six files are required to instrument a source; see +section~3. All are renamed during the installation so that all have +the extension {\tt tex} instead of {\tt org}; in the names of files 5 +and 6 the ``TrIO'' prefix is deleted too. Files 7--10 are needed for +repeated executions; see section~8. The first two become {\tt sed} +scripts the other two {\tt tex} files. + + + +\beginsection 2. Installation + +{\tt TrIOinstall.org} and {\tt TrIO.org} are used for the installation. + +The other files are changed during the installation. They must be +either moved into the directory that contains the source to be tested +or they are installed in a directory that is searched for input files +by the program \TeX. + +\beginsection Step 1: \rm Rename and edit {\tt TrIOinstall.org} + +{\tt TrIOinstall.org} must be copied to {\tt TrIOinstall.sed}. This +file must then be edited to have {\bf individual password-protected +macro names} and {\bf private messages}. Note there is no valid +default active. The macros fail to do what they should do if this file +isn't carefully edited. + +\beginsection \rm a) Passwords + +A password-protected name contains a string of at least six +letters. It must be a mix of lower- and uppercase, one letter should +be from the first and one from the last third of the alphabet. It +should be neither an English word nor one in your language. The +general idea is that this string cannot be guessed or computed by +someone else. A user hasn't to enter these password-protected macro +names (except one) so a user has not to remember them. Thus, they must +not be simple. + +One of the passwords occur in a command that is displayed together +with a private message. Although not required it would be nice to +recognize this password. A second password is part of a control word +that must be entered by the user into the source if the source +contains extremely weird constructions; see section~5. + +In total eight passwords must be created. {\tt TrIOinstall.sed} +contains lines like +\smallskip\noindent +{\tt s/aAmNzZ/new password/g} +\smallskip\noindent +and you have to replace ``{\tt new password}'' with the new password, +i.e., a string of at least six letters with the above mentioned +distribution. And please, never use the known default, i.e., the +string {\tt aAmNzZ}, etc. + +\beginsection \rm b) Private messages + +Next, you have to choose two private messages. The first one explains +what to do for \cs\openin\ or \cs\openout, the second signals that the +correct file for \cs\input\ was executed. + +\medskip +The rest of {\tt TrIOinstall.sed} can be ignored for the moment. These +lines must be used if the source uses {\tt TrIO} or {\tt TRIO} as a +prefix for its own macros; see c). Then one can change these prefixes +in the macros of this package. + +\beginsection \rm c) Optional: Prefix ``{\tt T[r|R]IO}'' + +The last lines in the installation script are used to change the +prefix ``{\tt TrIO}'' and the prefix ``{\tt TRIO}'' in the case that +some source uses one of them too. The macros detect if one of their +control sequences gets redefined by the source and reports that with +an error message: {\tt !\ TrIO ALERT !!!\ Don't trust the source +(<name of the redefined control word>).} + + \rule5 Stop the run if the ``{\tt TrIO ALERT}'' error message is +displayed. The source has redefined one of the control words that +occur in the macros of this package. Check the source carefully to +determine if that happens by accident or intentionally. +\smallskip + +Note, the easiest way to fix a single use of the prefix ``{\tt TrIO}'' +is to change the source. Otherwise a user can apply the installation +script and change the prefix for all macros of the package. The prefix +isn't private, i.e., the source might contain code that determines +which prefix is used by the macro package. + + +\beginsection Step 2: \rm Rename and edit {\tt TrIO.org}; then execute + +Rename {\tt TrIO.org} to {\tt TrIO.sh}. Make sure that the renamed +file can be executed, for example, apply {\tt chmod 744}. The file +must be edited too: Enter a valid path for {\tt inst\_dir}. + +The execution of the script {\tt TrIO.sh}, i.e., enter {\tt ./TrIO.sh} +on a command line in the directory of the {\tt TrIO*.org} files, +installs the files by default in this directory. This might be okay if +the package should be placed there. But if you use a \TeX\ +distribution the installation directory should probably be changed; +consult the documentation of your distribution to figure out where +configured packages should be stored. + +My suggestion: Use the current directory for experiments. If you like +the macros then install them in your \TeX\ file system and make sure +that the correct {\tt openin.tex} and {\tt openout.tex} are found as +these files carry quite generic names. (Maybe you must {\bf rename} +them in {\tt TrIO.sh}; see also section~9.) + + + + +\beginsection 3. Using {\tt TrIOmacros.tex} + +To activate the macros create a new first line in the main file of the +source that should be instrumented. Enter ``{\tt +<options> \cs\input\space TrIOmacros}''; where {\tt <options>} is a +combination of +\medskip +\item{i)} empty; +\item{ii)} {\tt\cs\let\cs\twonosubdirs=y}; +\item{iii)} {\tt\cs\let\cs\threenosubdirs=y}; +\item{iv)} {\tt\cs\let\cs\disablespecial=n}; +\item{v)} {\tt\cs\let\cs\disablespecial=y}. +\medskip\noindent +Note: here iii) beats ii) and v) beats iv). The options are explained +in the next section. + +\beginsection \rm a) An example + +Let's do a trial run with {\tt Transparent-IO-example.tex}; here with +line numbers. +\beginverbatim +1.\bs input TrIOmacros\parni +2.\parni +3.\bs input Transparent-IO-hello\parni +4.\parni +5.\bs openin0=Transparent-IO-hello\parni +6.\parni +7.\bs openout5=Transparent-IO-goodbye\parni +8.\parni +9.\bs bye\endverbatim + +After \TeX's banner line and the name of +the main file, \TeX\ inputs three files (I omit the license message): +\beginverbatim +(./TrIOmacros.tex (./TrIOsupport.tex) (./TrIOprivate.tex)\parni +<<< TrIO >>> \bs special: primitive\parni +<<< TrIO >>> \bs TrIOnosubdir: nosubdir/\endverbatim + +You should check that the correct files of section 1, items 1--3, are +input. Here I assume that the files are in the current directory +indicated by ``{\tt./}''. Then \TeX\ displays two lines about the +current values of control sequences that are influenced by +options. Here both show the default value: \cs\special\ is kept +as \TeX's primitive and \cs\TrIOnosubdir\ is a single directory +with the name {\tt nosubdir/}. + +Next, the macros inform the user that they are active. +\beginverbatim +! TrIO activated. Type h to get instructions.\parni +l.115 ...IO activated. Type h to get instructions\ccb\parni +\fortyspaces\tenspaces\bs endgroup\parni +? h\parni +File I/O ( \bs input \bs openin \bs openout ) is now under TrIO's control.\parni +Be alerted if a file is loaded without the proper TrIO message\parni +and follow always the instruction of this message.\parni +Make sure that the sequence number is incremented sequentially.\parni +? \parni +)\endverbatim + +The help text gives two important hints. Follow the instructions that +are displayed at every stop initiated by these macros. As above these +messages contain a combination of the word ``TrIO'' and three `{\tt<}' +or three `{\tt>}' symbols. The second hint defines a rule. + + \rule6 Check the counter for I/O commands. It must increase +sequentially; otherwise stop the run and check the source. +\smallskip + +The counter appears as soon as \TeX\ stops for an I/O +command. For \cs\input\ is looks like this. +\beginverbatim +<<<\parni +(./TrIOinput.tex\parni +>>> TRIO: Check passed!\parni +)\parni +TrIO >>> ( 1 ) Line 3: input\parni +>>> enter shown file name without `nosubdir/'.\parni +<<<\parni +! I can't find file `nosubdir/Transparent-IO-hello.tex'.\parni +l.3 \bs input Transparent-IO-hello\parni +\ \parni +Please type another input file name: \endverbatim + +The first four lines appear every time a file gets input. It contains +one of the private messages; here it's the default message ``{\tt>>> +TRIO: Check successful!}'' with an uppercase `R' in the word +``TRIO''. During the installation this message was changed and you +should always check that your private message is displayed. + + \rule7 Check that for every \cs\input\ the file {\tt +TrIOinput.tex} is input and that your private message +follows. Otherwise stop the run and check the source. +\smallskip + +Then the macros inform that an I/O command was found. It is the first +command in the file: It occurs in line~3, and it's the +command \cs\input. The stop of the run was initiated by an error +message that was intentionally raised through the use of an +nonexistent subdirectory in front of the file name. The source doesn't +contain this subdirectory; it is added by the macros. Thus \TeX\ +reports that it cannot find ``{\tt nosubdir/Transparent-IO-hello.tex}'' although the +source states ``{\tt\bs input Transparent-IO-hello}''. + +Next, the user has to enter a new file name. As the file {\tt +Transparent-IO-hello.tex} doesn't belong to the macro package (see rule~4) we follow +the instruction (see rule~4) and enter ``Transparent-IO-hello'' as new file name. +\beginverbatim +Please type another input file name: Transparent-IO-hello\parni +(./Transparent-IO-hello.tex)\endverbatim + +The next block shows a stop for the I/O command \cs\openin\ with +stream number~0. +\beginverbatim +<<<\parni +TrIO >>> ( 2 ) Line 5: openin 0\parni +>>> If you accept that the file (without nosubdir/) is read\parni +>>> enter `openin' and follow the instructions.\parni +<<<\parni +! I can't find file `nosubdir/Transparent-IO-hello.tex'.\parni +l.5 \bs openin0=Transparent-IO-hello\parni +\ \parni +Please type another input file name: \endverbatim + +After the check that the counter was increased we follow the +instruction and enter the file name of the package ({\tt openin.tex}) +and not the name that appears in the source (here: {\tt Transparent-IO-hello}). +\beginverbatim +Please type another input file name: openin\parni +(./openin.tex\parni +Enter 1> return 2> file name\ccb\bs TRIOgGKptTpausing=0=>\endverbatim + +This block shows the second private message and one of our private +passwords. Again, we follow the instructions, that is, we press +{\tt<return>} and at the next prompt we enter the name of the file +that should be opened: +\beginverbatim +\bs FilenameOPENIN=Transparent-IO-hello\parni +)\endverbatim + +The treatment of \cs\openout\ is similar to \cs\openin. +\beginverbatim +<<<\parni +TrIO >>> ( 3 ) Line 7: openout 5\parni +>>> If you accept that the file (without nosubdir/) is created\parni +>>> enter `openout' and follow the instructions.\parni +<<<\parni +! I can't find file `nosubdir/Transparent-IO-goodbye.tex'.\parni +l.7 \bs openout5=Transparent-IO-goodbye\parni +\ \parni +Please type another input file name: openout\parni +(./openout.tex\parni +Enter 1> return 2> file name\ccb\bs TRIOgGKptTpausing=0=>\parni +\ \parni +\bs FilenameOPENOUT=trioo/Transparent-IO-goodbye\parni +)\endverbatim + +There is one new technique based on rule~1. The file isn't created in +the current directory but in a special subdirectory called {\tt +trioo/} as seen in the second last line. Of course, one must remember +which files were redirected to this subdirectory as the source might +want to input it later again and then the name of the subdirectory +must be used too. + +Of course, \cs\immediate\ is handled by the macros too; the user sees +``immediate openout'' instead of ``openout'' in the {\tt TrIO >>>} +line. But someone who knows the macros can fake the occurrence +of \cs\immediate. Although there isn't much harm in a +wrong \cs\immediate\ it is recommended to follow this rule. + + \rule8 Always check that an \cs\immediate\ appears in front of +an \cs\openout\ if the macros report ``immediate openout''. Check the +source carefully and reject it if \cs\immediate\ doesn't appear. + + + +\beginsection 4. Options + +In section~3 the four options for the macros were introduced. + +\beginsection \rm a) Path with nonexistent directories + +As explained in section~3 a single nonexistent directory ``{\tt +nosubdir/}'' is used in the macros by default. But if the source +contains a file given with a path that starts with a move to the +parent directory, i.e., {\tt../}, then the effect of {\tt +nosubdir/../} might specify the current directory; this depends on +several factors, i.e., your \TeX\ might not do it. If it's done a file +in the current directory carrying the same name as the file that the +source wants to input from the parent directory is directly input +without a stop of the run. That violates rule~4. + +Therefore you should use either the option +{\tt\cs\let\cs\twonosubdirs=y} or {\tt\cs\let\cs\threenosubdirs=y}. In +the first case the single nonexistent directory is replaced by two +nonexistent directories and in the second there are three +nonexistent directories. The start message of the package shows how +many {\tt nosubdir/}'s are present. + + \rule9 Stop the processing if the source that failed with a single +nonexistent directory fails again at the same I/O command although the +number of nonexistent subdirectories was increased. The source reacts +on this number. + + +\beginsection \rm b) Treatment of \cs\special + +The second start message is about \cs\special. This command can be +dangerous as it writes arbitrary data to \TeX's main output file. The +macros don't check what is written to the DVI file and they assume +that a user switches on the safety features of the program that +display, prints, or transforms the DVI~file. Therefore \cs\special\ is +kept as primitive. + + \rule{10} The programs that interpret the DVI file can be the target +by with an untrusted source attacks your system. Thus switch on all +options to avoid that the DVI file executes unfriendly code if you +keep the primitive \cs\special\ active. + +The option {\tt\cs\let\cs\disablespecial=y} redirects all data of +a \cs\special\ into the LOG file of the \TeX\ run. That +is, \cs\special\ is no longer a primitive; nothing is written to the +DVI file. + +The option {\tt\cs\let\cs\disablespecial=n} tries to be a mixture of +the described behaviours. The primitive \cs\special\ is kept but its +data (or a part of it) is also written to the LOG file; the integer +parameters \cs\showboxdepth\ and \cs\showboxbreadth\ are increased. To +look at the data enter on a command-line the command ``{\tt grep +-e'\char"5E\bs.\bs.*\bs\bs special' <logfile>}''. + + + +\beginsection 5. Errors + +Errors in the original source are of course kept in the instrumented +source. But a few eccentric cases can occur that produce new errors +because of the fact that the I/O primitives are now macros. + +I don't mean a case where a source tests if the I/O commands are +macros or primitives. The source must do something after this test and +whatever it does I don't count this as an error. + +Here is the file {\tt Transparent-IO-eccentric.tex} that contains some +eccentric cases:\vskip-3pt +\beginverbatim +\bs input TrIOmacros\parni +\bs global\bs input Transparent-IO-hello\parni +\bs expandafter\bs show\bs input Transparent-IO-hello\parni +\bs edef\bs csone\ocb\bs input Transparent-IO-hello \ccb\parni +\bs expandafter\bs show\bs openin0=Transparent-IO-hello\parni +\bs bye\parni +\endverbatim + + +\beginsection \rm a) Command in front of \cs\input\ +meant for the first token of the file that is input + +Some errors happen with \cs\input\ in situations like this one +where \cs\global\ is applied to \cs\input. +\beginverbatim +! You can't use a prefix with `\bs begingroup'.\parni +<to be read again> \parni +\tenspaces\fivespaces\ \ \ \ \bs TRIObegingroup \parni +\bs input ->\bs TRIObegingroup \parni +\twentyspaces\fivespaces\bs TRIOafterassignment \bs TRIOnoexpand \bs TrIOempty \bs TRIO...\parni +l.2 \bs global\bs input\parni +\tenspaces\fivespaces\ \ \ Transparent-IO-hello\parni +? \endverbatim + +This is the typical picture for an error where \TeX\ wants to read +again the first token of the macro \cs\input. It is shown not only +for \cs\global\ but also for \cs\number\ and many other commands. + +The solution is to type {\tt42}---you have to remember this +number---and then to insert the command that appears in front +of \cs\input; here it's \cs\global. +\beginverbatim +? 42\parni +\ \parni +\bs input ...put.tex \bs TrIOinputmessage \bs TrIOendgroup \parni +\fortyspaces\tenspaces\bs TRIOinput \bs TrIOnosubdir \parni +l.2 \bs global\bs input\parni +\tenspaces\fivespaces\ \ \ Transparent-IO-hello\parni +? I\bs global\parni +! I can't find file `nosubdir/Transparent-IO-hello.tex'.\parni +l.2 \bs global\bs input Transparent-IO-hello\parni +\ \parni +Please type another input file name: \endverbatim + +Note this is a very strange use of \cs\input\ as the acceptance of the +command in front of \cs\input\ depends on the first token in the file +that's input. + + +\beginsection \rm b) \cs\input\ as second token after \cs\expandafter + +Another kind of error occurs if the commands in front of \cs\input\ digests +tokens. Here is an example. +\beginverbatim +> \bs TRIObegingroup=\bs begingroup.\parni +\bs input ->\bs TRIObegingroup \parni +\twentyspaces\fivespaces\bs TRIOafterassignment \bs TRIOnoexpand \bs TrIOempty \bs TRIO...\parni +l.3 \bs expandafter\bs show\bs input\parni +\twentyspaces\fivespaces\ \ \ Transparent-IO-hello\parni +? \endverbatim + +The solution is to type {\tt41} (as $42-1=41$) and then to insert the +two commands in front of \cs\input. +\beginverbatim +? 41\parni +\ \parni +\bs input ...put.tex \bs TrIOinputmessage \bs TrIOendgroup \parni +\fortyspaces\tenspaces\bs TRIOinput \bs TrIOnosubdir \parni +l.3 \bs expandafter\bs show\bs input\parni +\twentyspaces\fivespaces\ \ \ Transparent-IO-hello\parni +? I\bs expandafter\bs show\parni +! I can't find file `nosubdir/Transparent-IO-hello.tex'.\parni +l.3 \bs expandafter\bs show\bs input Transparent-IO-hello\parni +\ \parni +Please type another input file name: \endverbatim + + +\beginsection \rm c) Use of \cs\input\ in an \cs\edef + +Expansion in an \cs\edef\ or \cs\xdef\ generates a new kind of +error. This time the error message is the well-known {\tt !\ Undefined +control sequence}. This message is raised intentionally by a token +that explains what to do next. +\beginverbatim +! Undefined control sequence.\parni +\bs input ...y \bs TRIOdef \bs TrIOskipXXXVIinsTrIOfixedef \parni +\fortyspaces\tenspaces\bs TrIOempty \ocb\ccb\bs TrIOempty \bs T...\parni +l.4 \bs edef\bs csone\ocb\bs input\parni +\twentyspaces\ \ \ Transparent-IO-hello \ccb\parni +? \endverbatim + +The undefined control word states to skip {\tt36} tokens and then to +insert \cs\TrIOfixedef. You could also enter +first \cs\show\cs\TrIOfixedef\ and check that the macro wasn't changed. +\beginverbatim +? 36\parni +\ \parni +\bs input ...put.tex \bs TrIOinputmessage \bs TrIOendgroup \parni +\fortyspaces\tenspaces\bs TRIOinput \bs TrIOnosubdir \parni +l.4 \bs edef\bs csone\ocb\bs input\parni +\twentyspaces\ \ \ Transparent-IO-hello \ccb\parni +? I\bs TrIOfixedef\parni +! I can't find file `nosubdir/Transparent-IO-hello.tex'.\parni +l.4 \bs edef\bs csone\ocb\bs input Transparent-IO-hello \parni +\twentyspaces\tenspaces\ccb\parni +Please type another input file name: \endverbatim + +Note the source throws more errors as \cs\input\ cannot be used in +an \cs\edef\ except the file that's input ends with a certain +command. Again a unusual scenario. + + +\beginsection \rm d) Errors with \cs\openin\ and \cs\openout + +For \cs\openin\ and \cs\openout\ there is only one error situation. It +occurs with expansion if a sequence of tokens like the +nonsense \cs\expandafter \cs\show \cs\openin{\tt0=Transparent-IO-hello} appears in +the source. In this case the expansion of \cs\openin, which contains +two tokens, looses its first token (that's a \cs\the). One has to +insert this token to continue the processing. +\beginverbatim +> \bs TRIOthe=\bs the.\parni +\bs openin ->\bs TRIOthe \parni +\tenspaces\fivespaces\ \ \ \ \bs TrIOtropenin \parni +l.5 \bs expandafter\bs show\bs openin\parni +\twentyspaces\fivespaces\ \ \ \ 0=Transparent-IO-hello\parni +? \endverbatim + +Again, a very strange code pattern. Why would someone want to expand +an usually unexpandable token before \cs\show\ is applied? + + +\beginsection \rm Summary + +Most of the described cases don't occur in normal code. Some cases +represent a \TeX\ coding error, i.e., they throw one or more errors +during normal execution. These cases might be inserted by someone who +wants to fool you---maybe after the detection that {\tt TrIOmacros} is +used. Thus, I recommend to either inspect the code carefully in order +to find out why the unusual construction is used or to ignore the +source. + + \rule{11} Inspect the source carefully if an error occurs that involves +one of the I/O commands. These errors can only appear with weird code +without any valid use case. Consider to ignore the source. + + + +\beginsection 6. Permanent fixes for the errors + +Note that the interactive fixes of the errors in the previous section +have suppressed several messages, for example, the counter was not +shown and it was not increased. This generates a problem for {\tt +TrIOauto.tex} as we will see later. + +An \cs\expandafter\ with \cs\openin\ or \cs\openout\ can be deleted in +the source. Some constructions for \cs\input\ require a different +approach; to fix a \cs\global\cs\input\ permanently the source must be +edited too. + +The macros contain the password-protected control +sequence \cs\TrIOcCkPxXmove\ that has to be entered in front of the +commands that would occur after the {\tt ?I} in the interactive +fix. For example, the above case is permanently fixed with the +code \cs\TrIOcCkPxXmove\cs\global\cs\input. Of course, you must use +the control word that contains the password that you picked during the +installation; as mentioned above this is the only password one must +remember. + + \rule{12} Never return an edited source file to the author without +removing the first line and all appearances of \cs\TrIOcCkPxXmove. + + \rule{13} Never return a LOG file of your runs to the author of the +source. If you want to return it make sure that it contains no +information about your password-protected macro names, your private +messages, or any trace information of the TrIO macros. + + \rule{14} Never return the DVI file of your runs to the author of the +source. If you want to return it check the DVI output and make sure, +for example, by using the program {\tt dvitype} of the \TeX ware +collection, that it contains no information about your +password-protected macro names or your private messages. + + \rule{15} Create new passwords and private messages if you violate +one of the rules 12--14 by accident. + + + +\beginsection 7. An unsolvable problem + +There is one \TeX\ primitive that can create errors which cannot be +detected by the macros and, thus, which cannot be fixed. But the +macros can detect if the problematic primitive is active. +If the macros report this the user has to check the source carefully +in order to confirm that the activation is required and that it +happens in a way which doesn't influence the work of the macros.\goodbreak + +The problematic primitive is the integer +parameter \cs\globaldefs. Usually its value is 0 and the macros can do +their work without problems. If its value is less than 0 everything is +fine too. But a value greater than 0 makes any assignment global even +if it is not prefixed with \cs\global\ and this can lead to a problem. + +Our macros first reset the value to 0; this assignment is global. At +the end the macros set the value locally back to 1 or $-1$ depending +of the value of \cs\globaldefs\ when a macro is called. Thus code like +this doesn't work correctly: \cs\globaldefs{\tt=1 \ocb}\cs\input\ {\tt +Transparent-IO-hello \ccb}. In this case the value of \cs\globaldefs\ after the +closing brace is 0 not 1. But this case cannot be distinguished by the +macros from the good case {\tt\ocb}\cs\globaldefs{\tt=1} \cs\input\ +{\tt Transparent-IO-hello \ccb}. The macros can only detect if \cs\globaldefs\ has a +value greater than 0 and they report this finding. + + \rule{16} Stop the run if the macros report that \cs\globaldefs\ is +positive. Check the source carefully why this rarely used parameter +must be set. If it must have a value greater 0 check that only the +good case occurs. Otherwise reject the source. + + + +\beginsection 8. Using {\tt TrIOauto} + +If a run with {\tt TrIOmacros.tex} was successful, i.e., no interactive +fix was necessary, repeated executions of the source can be made +simpler. + +First, the LOG file of the successful run should be saved; copy it, for +example, and give it the extension {\tt trio}. Second, one of the two +{\tt sed} files must be applied to this copy. For example, {\tt sed -f +TrIOlineno.sed <triofile> > TrIOnames.tex} where {\tt<triofile>} is +the copy of the LOG file of the successful run. The last step is to +change {\tt TrIOmacros} in the first line of the instrumented source +by {\tt TrIOauto}. + +The file {\tt TrIOlineno.sed} makes stricter comparisons than {\tt +TrIOextract.sed}. You can always recreate {\tt TrIOnames.tex} if the +source file needs to be edited and a comparison of line numbers would +fail by using {\tt TrIOextract.sed} instead of {\tt TrIOlineno.sed} in +the above {\tt sed} command. + +\beginsection \rm a) Rerun of the example of section~3 + +A run with {\tt TrIOauto.tex} starts similar to a run with {\tt +TrIOmacros.tex} except that one more file is loaded but no information +about a nonexistent subdirectory is given. +\beginverbatim +(./TrIOauto.tex (./TrIOsupport.tex) (./TrIOprivate.tex) (./TrIOnames.tex)\parni +<<< TrIO >>> \bs special: primitive\parni +! TrIO auto-mode activated. Type h to get instructions.\parni +l.61 ...ode activated. Type h to get instructions\ccb\parni +\fortyspaces\tenspaces\bs endgroup\parni +? h\parni +File I/O ( \bs input \bs openin \bs openout ) is now under TrIO's control.\parni +Be alerted if a file is loaded without the proper TrIO message\parni +and check that the file name without extension that raises\parni +the font error matches the file name of the TrIO message.\parni +? \endverbatim + +The nonexistent subdirectory isn't required anymore as all I/O +commands are taken from the file {\tt TrIOnames.tex}. In this run a +user cannot change a file name used in the source; the macros use the +ones entered during the successful run. A surprise might be the text +about ``font errors'' in the help text. Although no file name has to +be entered the macros show the name of the successful run and the name +that they read in the current run. +\beginverbatim +(./TrIOopen.tex\parni +TrIO >>> ( 1 ) Line 3: input Transparent-IO-hello \parni +)\parni +! Font \bs TRIOunused=TrIO\char"5FTransparent-IO-hello not loadable: Metric (TFM) file not found.\parni +<to be read again> \parni +\tenspaces\fivespaces\ \ \ \ \bs par\parni +l.4 \parni +\ \parni +? \endverbatim +\noindent +Note that \TeX\ has the complete file name only after it sees the next +line which is empty. + +Although only approved file names are processed a user should still be +concentrated. + + \rule{17} With {\tt TrIOauto.tex} a user should check that {\tt +TrIOopen.tex} is loaded, the sequential counter is increased from stop +to stop, and that the main part of the file name in the line that +starts with ``{\tt TrIO >>>}'' agrees with the name that appears after +the underline in the error message (with \cs\openout\ the path is +replaced by {\tt trioo}, see rule~1). Otherwise the source operates +with varying file names; check the source carefully.\looseness=-1 + +Now press return to input {\tt Transparent-IO-hello.tex} and to go to the next I/O +command. The messages for \cs\openin\ and \cs\openout\ look similar. +\beginverbatim +(./TrIOopen.tex\parni +TrIO >>> ( 2 ) Line 5: openin 0 Transparent-IO-hello\parni +)\parni +! Font \bs TRIOunused=TrIO\char"5FTransparent-IO-hello not loadable: Metric (TFM) file not found.\parni +<to be read again> \parni +\tenspaces\fivespaces\ \ \ \ \bs par\parni +l.6 \parni +\ \parni +? \parni +(./TrIOopen.tex\parni +TrIO >>> ( 3 ) Line 7: openout 5 trioo/Transparent-IO-goodbye\parni +)\parni +! Font \bs TRIOunused=TrIO\char"5FTransparent-IO-goodbye not loadable: Metric (TFM) file not found.\parni +<to be read again> \parni +\tenspaces\fivespaces\ \ \ \ \bs par\parni +l.8 \parni +\ \parni +? \endverbatim + +You can see that the subdirectory {\tt trioo} (see rule~1) is +mentioned in the case of \cs\openout. Of course, +an \cs\immediate\cs\openout\ is signaled by ``immediate openout'' +instead of ``openout'' in the line that starts with {\tt TrIO >>>}. + + + + +\beginsection 9. Remarks about {\tt openin.tex} and {\tt openout.tex} + +The \TeX\ commands \cs\openin\ and \cs\openout\ are less verbose +than \cs\input\ with respect to the file name they have to process. As +they occur less frequently than \cs\input\ the macros implement a +two-step procedure to enter the file names for \cs\openin\ +and \cs\openout. This slow-down in the workflow gives the user a +chance to avoid hasty decisions. + +But I assume some users want to have a faster processing. Here are two +ideas how to speed-up the workflow. (1)~The file {\tt openin.tex} and +{\tt openout.tex} aren't called by other files of the package; they +are only entered by the user. Thus, a user can rename them to make the +names easier to type. (The names are used in messages (see {\tt +TrIOmacros.org}) so either change them there too or remember that you +have changed the file names.) (2)~The files stop with a private +message whereas {\tt TrIOinput.tex} just outputs such a message. If +you check all private messages carefully you can change the code in +{\tt openin.tex} and {\tt openout.tex} so that it displays the private +message on the terminal without using \cs\pausing\ to avoid to enter +{\tt<return>}.\looseness=-1 + + + + +\beginsection 10. Precautionary warning + +As you saw the macros cannot run without user interaction. This means, +your knowledge about plain \TeX\ is a crucial success factor if +problems occur. You must be able to distinguish if an error message is +based on TrIO's actions, or if it's an aggressive attempt to +circumvent TrIO, or if it's a simple error in the source. + +Above I wrote that you should have a non-beginner's knowledge of +plain \TeX. Now you should be aware that your knowledge about the +original \TeX, plain \TeX, the command {\tt\bs special} and its risks, +as well as tools like {\tt dvitype}, {\tt sed}, etc.\ are important. + +As soon as you don't understand what happens in the untrusted source +stop the execution by \TeX. Stop the execution in an error situation +if you don't understand what you have to do with TrIO. + +\bye diff --git a/Master/texmf-dist/doc/plain/transparent-io/Transparent-IO-eccentric.tex b/Master/texmf-dist/doc/plain/transparent-io/Transparent-IO-eccentric.tex new file mode 100644 index 00000000000..7f845d88688 --- /dev/null +++ b/Master/texmf-dist/doc/plain/transparent-io/Transparent-IO-eccentric.tex @@ -0,0 +1,6 @@ +\input TrIOmacros +\global\input Transparent-IO-hello +\expandafter\show\input Transparent-IO-hello +\edef\csone{\input Transparent-IO-hello } +\expandafter\show\openin0=Transparent-IO-hello +\bye diff --git a/Master/texmf-dist/doc/plain/transparent-io/Transparent-IO-example.tex b/Master/texmf-dist/doc/plain/transparent-io/Transparent-IO-example.tex new file mode 100644 index 00000000000..0b9bb74b7b5 --- /dev/null +++ b/Master/texmf-dist/doc/plain/transparent-io/Transparent-IO-example.tex @@ -0,0 +1,9 @@ +\input TrIOmacros + +\input Transparent-IO-hello + +\openin0=Transparent-IO-hello + +\openout5=Transparent-IO-goodbye + +\bye diff --git a/Master/texmf-dist/doc/plain/transparent-io/Transparent-IO-hello.tex b/Master/texmf-dist/doc/plain/transparent-io/Transparent-IO-hello.tex new file mode 100644 index 00000000000..cbaabcd7e87 --- /dev/null +++ b/Master/texmf-dist/doc/plain/transparent-io/Transparent-IO-hello.tex @@ -0,0 +1 @@ +Hello \TeX! |