diff options
Diffstat (limited to 'Master/bin/i386-freebsd/perltex')
| -rwxr-xr-x | Master/bin/i386-freebsd/perltex | 476 |
1 files changed, 0 insertions, 476 deletions
diff --git a/Master/bin/i386-freebsd/perltex b/Master/bin/i386-freebsd/perltex deleted file mode 100755 index 9c85ef94500..00000000000 --- a/Master/bin/i386-freebsd/perltex +++ /dev/null @@ -1,476 +0,0 @@ -#! /usr/bin/env perl - -########################################################### -# Prepare a LaTeX run for two-way communication with Perl # -# By Scott Pakin <scott+pt@pakin.org> # -########################################################### - -#------------------------------------------------------------------- -# This is file `perltex.pl', -# generated with the docstrip utility. -# -# The original source files were: -# -# perltex.dtx (with options: `perltex') -# -# This is a generated file. -# -# Copyright (C) 2007 Scott Pakin <scott+pt@pakin.org> -# -# This file may be distributed and/or modified under the conditions -# of the LaTeX Project Public License, either version 1.3c of this -# license or (at your option) any later version. The latest -# version of this license is in: -# -# http://www.latex-project.org/lppl.txt -# -# and version 1.3c or later is part of all distributions of LaTeX -# version 2006/05/20 or later. -#------------------------------------------------------------------- - -sub top_level_eval ($) -{ - return eval $_[0]; -} -use Safe; -use Opcode; -use Getopt::Long; -use Pod::Usage; -use File::Basename; -use Fcntl; -use POSIX; -use warnings; -use strict; -my $latexprog; -my $runsafely = 1; -my @permittedops; -my $usepipe = 1; -my $progname = basename $0; -my $jobname = "texput"; -my $toperl; -my $fromperl; -my $toflag; -my $fromflag; -my $doneflag; -my $logfile; -my $pipe; -my @latexcmdline; -my $styfile; -my @macroexpansions; -my $sandbox = new Safe; -my $sandbox_eval; -my $latexpid; -my $pipestring = "\%\%\%\%\% Generated by $progname\n\\endinput\n"; -$latexprog = $ENV{"PERLTEX"} || "latex"; -Getopt::Long::Configure("require_order", "pass_through"); -GetOptions("help" => sub {pod2usage(-verbose => 1)}, - "latex=s" => \$latexprog, - "safe!" => \$runsafely, - "pipe!" => \$usepipe, - "synctext=s" => \$pipestring, - "makesty" => sub {$styfile = "noperltex.sty"}, - "permit=s" => \@permittedops) || pod2usage(2); -@latexcmdline = @ARGV; -my $firstcmd = 0; -for ($firstcmd=0; $firstcmd<=$#latexcmdline; $firstcmd++) { - my $option = $latexcmdline[$firstcmd]; - next if substr($option, 0, 1) eq "-"; - if (substr ($option, 0, 1) ne "\\") { - $jobname = basename $option, ".tex" ; - $latexcmdline[$firstcmd] = "\\input $option"; - } - last; -} -push @latexcmdline, "" if $#latexcmdline==-1; -my $separator = ""; -foreach (1 .. 20) { - $separator .= chr(ord("A") + rand(26)); -} -$toperl = $jobname . ".topl"; -$fromperl = $jobname . ".frpl"; -$toflag = $jobname . ".tfpl"; -$fromflag = $jobname . ".ffpl"; -$doneflag = $jobname . ".dfpl"; -$logfile = $jobname . ".lgpl"; -$pipe = $jobname . ".pipe"; -$latexcmdline[$firstcmd] = - sprintf '\makeatletter' . '\def%s{%s}' x 7 . '\makeatother%s', - '\plmac@tag', $separator, - '\plmac@tofile', $toperl, - '\plmac@fromfile', $fromperl, - '\plmac@toflag', $toflag, - '\plmac@fromflag', $fromflag, - '\plmac@doneflag', $doneflag, - '\plmac@pipe', $pipe, - $latexcmdline[$firstcmd]; -foreach my $file ($toperl, $fromperl, $toflag, $fromflag, $doneflag, $pipe) { - unlink $file while -e $file; -} -open (LOGFILE, ">$logfile") || die "open(\"$logfile\"): $!\n"; -if (defined $styfile) { - open (STYFILE, ">$styfile") || die "open(\"$styfile\"): $!\n"; -} -if (!$usepipe || !eval {mkfifo($pipe, 0600)}) { - sysopen PIPE, $pipe, O_WRONLY|O_CREAT, 0755; - print PIPE $pipestring; - close PIPE; - $usepipe = 0; -} -defined ($latexpid = fork) || die "fork: $!\n"; -unshift @latexcmdline, $latexprog; -if (!$latexpid) { - exec {$latexcmdline[0]} @latexcmdline; - die "exec('@latexcmdline'): $!\n"; -} -if ($runsafely) { - @permittedops=(":browse") if $#permittedops==-1; - $sandbox->permit_only (@permittedops); - $sandbox_eval = sub {$sandbox->reval($_[0])}; -} -else { - $sandbox_eval = \&top_level_eval; -} -while (1) { - my $awaitexists = sub { - while (!-e $_[0]) { - sleep 0; - if (waitpid($latexpid, &WNOHANG)==-1) { - foreach my $file ($toperl, $fromperl, $toflag, - $fromflag, $doneflag, $pipe) { - unlink $file while -e $file; - } - undef $latexpid; - exit 0; - } - } - }; - $awaitexists->($toflag); - my $entirefile; - { - local $/ = undef; - open (TOPERL, "<$toperl") || die "open($toperl): $!\n"; - $entirefile = <TOPERL>; - close TOPERL; - } - my ($optag, $macroname, @otherstuff) = - map {chomp; $_} split "$separator\n", $entirefile; - $macroname =~ s/^[^A-Za-z]+//; - $macroname =~ s/\W/_/g; - $macroname = "latex_" . $macroname; - if ($optag eq "USE") { - foreach (@otherstuff) { - s/\\/\\\\/g; - s/\'/\\\'/g; - $_ = "'$_'"; - } - } - my $perlcode; - if ($optag eq "DEF") { - $perlcode = - sprintf "sub %s {%s}\n", - $macroname, $otherstuff[0]; - } - elsif ($optag eq "USE") { - $perlcode = sprintf "%s (%s);\n", $macroname, join(", ", @otherstuff); - } - elsif ($optag eq "RUN") { - $perlcode = $otherstuff[0]; - } - else { - die "${progname}: Internal error -- unexpected operation tag \"$optag\"\n"; - } - print LOGFILE "#" x 31, " PERL CODE ", "#" x 32, "\n"; - print LOGFILE $perlcode, "\n"; - undef $_; - my $result; - { - my $warningmsg; - local $SIG{__WARN__} = - sub {chomp ($warningmsg=$_[0]); return 0}; - $result = $sandbox_eval->($perlcode); - if (defined $warningmsg) { - $warningmsg =~ s/at \(eval \d+\) line \d+\W+//; - print LOGFILE "# ===> $warningmsg\n\n"; - } - } - $result = "" if !$result || $optag eq "RUN"; - if ($@) { - my $msg = $@; - $msg =~ s/at \(eval \d+\) line \d+\W+//; - $msg =~ s/\s+/ /; - $result = "\\PackageError{perltex}{$msg}"; - my @helpstring; - if ($msg =~ /\btrapped by\b/) { - @helpstring = - ("The preceding error message comes from Perl. Apparently,", - "the Perl code you tried to execute attempted to perform an", - "`unsafe' operation. If you trust the Perl code (e.g., if", - "you wrote it) then you can invoke perltex with the --nosafe", - "option to allow arbitrary Perl code to execute.", - "Alternatively, you can selectively enable Perl features", - "using perltex's --permit option. Don't do this if you don't", - "trust the Perl code, however; malicious Perl code can do a", - "world of harm to your computer system."); - } - else { - @helpstring = - ("The preceding error message comes from Perl. Apparently,", - "there's a bug in your Perl code. You'll need to sort that", - "out in your document and re-run perltex."); - } - my $helpstring = join ("\\MessageBreak\n", @helpstring); - $helpstring =~ s/\. /.\\space\\space /g; - $result .= "{$helpstring}"; - } - push @macroexpansions, $result if defined $styfile && $optag eq "USE"; - print LOGFILE "%" x 30, " LATEX RESULT ", "%" x 30, "\n"; - print LOGFILE $result, "\n\n"; - $result .= '\endinput'; - open (FROMPERL, ">$fromperl") || die "open($fromperl): $!\n"; - syswrite FROMPERL, $result; - close FROMPERL; - unlink $toflag while -e $toflag; - unlink $toperl while -e $toperl; - unlink $doneflag while -e $doneflag; - open (FROMFLAG, ">$fromflag") || die "open($fromflag): $!\n"; - close FROMFLAG; - if (open (PIPE, ">$pipe")) { - print PIPE $pipestring; - close PIPE; - } - $awaitexists->($toperl); - unlink $fromflag while -e $fromflag; - open (DONEFLAG, ">$doneflag") || die "open($doneflag): $!\n"; - close DONEFLAG; - if (open (PIPE, ">$pipe")) { - print PIPE $pipestring; - close PIPE; - } -} -END { - close LOGFILE; - if (defined $latexpid) { - kill (9, $latexpid); - exit 1; - } - - if (defined $styfile) { - print STYFILE <<"STYFILEHEADER1"; -\\NeedsTeXFormat{LaTeX2e}[1999/12/01] -\\ProvidesPackage{noperltex} - [2007/09/29 v1.4 Perl-free version of PerlTeX specific to $jobname.tex] -STYFILEHEADER1 - ; - print STYFILE <<'STYFILEHEADER2'; -\RequirePackage{filecontents} - -\let\noperltex@PackageError=\PackageError -\renewcommand{\PackageError}[3]{} -\RequirePackage{perltex} -\let\PackageError=\noperltex@PackageError - -\newcount\plmac@macro@invocation@num -\gdef\plmac@show@placeholder#1#2\@empty{% - \ifx#1U\relax - \endgroup - \advance\plmac@macro@invocation@num by 1\relax - \global\plmac@macro@invocation@num=\plmac@macro@invocation@num - \input{noperltex-\the\plmac@macro@invocation@num.tex}% - \else - \endgroup - \fi -} -STYFILEHEADER2 - ; - foreach my $e (0 .. $#macroexpansions) { - print STYFILE "\n"; - printf STYFILE "%% Invocation #%d\n", 1+$e; - printf STYFILE "\\begin{filecontents}{noperltex-%d.tex}\n", 1+$e; - print STYFILE $macroexpansions[$e], "\\endinput\n"; - print STYFILE "\\end{filecontents}\n"; - } - print STYFILE "\\endinput\n"; - close STYFILE; - } - - exit 0; -} - -__END__ - -=head1 NAME - -perltex - enable LaTeX macros to be defined in terms of Perl code - -=head1 SYNOPSIS - -perltex -[B<--help>] -[B<--latex>=I<program>] -[B<-->[B<no>]B<safe>] -[B<--permit>=I<feature>] -[B<--makesty>] -[I<latex options>] - -=head1 DESCRIPTION - -LaTeX -- through the underlying TeX typesetting system -- produces -beautifully typeset documents but has a macro language that is -difficult to program. In particular, support for complex string -manipulation is largely lacking. Perl is a popular general-purpose -programming language whose forte is string manipulation. However, it -has no typesetting capabilities whatsoever. - -Clearly, Perl's programmability could complement LaTeX's typesetting -strengths. B<perltex> is the tool that enables a symbiosis between -the two systems. All a user needs to do is compile a LaTeX document -using B<perltex> instead of B<latex>. (B<perltex> is actually a -wrapper for B<latex>, so no B<latex> functionality is lost.) If the -document includes a C<\usepackage{perltex}> in its preamble, then -C<\perlnewcommand> and C<\perlrenewcommand> macros will be made -available. These behave just like LaTeX's C<\newcommand> and -C<\renewcommand> except that the macro body contains Perl code instead -of LaTeX code. - -=head1 OPTIONS - -B<perltex> accepts the following command-line options: - -=over 4 - -=item B<--help> - -Display basic usage information. - -=item B<--latex>=I<program> - -Specify a program to use instead of B<latex>. For example, -C<--latex=pdflatex> would typeset the given document using -B<pdflatex> instead of ordinary B<latex>. - -=item B<-->[B<no>]B<safe> - -Enable or disable sandboxing. With the default of B<--safe>, -B<perltex> executes the code from a C<\perlnewcommand> or -C<\perlrenewcommand> macro within a protected environment that -prohibits ``unsafe'' operations such as accessing files or executing -external programs. Specifying B<--nosafe> gives the LaTeX document -I<carte blanche> to execute any arbitrary Perl code, including that -which can harm the user's files. See L<Safe> for more information. - -=item B<--permit>=I<feature> - -Permit particular Perl operations to be performed. The B<--permit> -option, which can be specified more than once on the command line, -enables finer-grained control over the B<perltex> sandbox. See -L<Opcode> for more information. - -=item B<--makesty> - -Generate a LaTeX style file called F<noperltex.sty>. Replacing the -document's C<\usepackage{perltex}> line with C<\usepackage{noperltex}> -produces the same output but does not require PerlTeX, making the -document suitable for distribution to people who do not have PerlTeX -installed. The disadvantage is that F<noperltex.sty> is specific to -the document that produced it. Any changes to the document's PerlTeX -macro definitions or macro invocations necessitates rerunning -B<perltex> with the B<--makesty> option. - -=back - -These options are then followed by whatever options are normally -passed to B<latex> (or whatever program was specified with -C<--latex>), including, for instance, the name of the F<.tex> file to -compile. - -=head1 EXAMPLES - -In its simplest form, B<perltex> is run just like B<latex>: - - perltex myfile.tex - -To use B<pdflatex> instead of regular B<latex>, use the B<--latex> -option: - - perltex --latex=pdflatex myfile.tex - -If LaTeX gives a ``C<trapped by operation mask>'' error and you trust -the F<.tex> file you're trying to compile not to execute malicious -Perl code (e.g., because you wrote it yourself), you can disable -B<perltex>'s safety mechansisms with B<--nosafe>: - - perltex --nosafe myfile.tex - -The following command gives documents only B<perltex>'s default -permissions (C<:browse>) plus the ability to open files and invoke the -C<time> command: - - perltex --permit=:browse --permit=:filesys_open - --permit=time myfile.tex - -=head1 ENVIRONMENT - -B<perltex> honors the following environment variables: - -=over 4 - -=item PERLTEX - -Specify the filename of the LaTeX compiler. The LaTeX compiler -defaults to ``C<latex>''. The C<PERLTEX> environment variable -overrides this default, and the B<--latex> command-line option (see -L</OPTIONS>) overrides that. - -=back - -=head1 FILES - -While compiling F<jobname.tex>, B<perltex> makes use of the following -files: - -=over 4 - -=item F<jobname.lgpl> - -log file written by Perl; helpful for debugging Perl macros - -=item F<jobname.topl> - -information sent from LaTeX to Perl - -=item F<jobname.frpl> - -information sent from Perl to LaTeX - -=item F<jobname.tfpl> - -``flag'' file whose existence indicates that F<jobname.topl> contains -valid data - -=item F<jobname.ffpl> - -``flag'' file whose existence indicates that F<jobname.frpl> contains -valid data - -=item F<jobname.dfpl> - -``flag'' file whose existence indicates that F<jobname.ffpl> has been -deleted - -=item F<noperltex-#.tex> - -file generated by F<noperltex.sty> for each PerlTeX macro invocation - -=back - -=head1 NOTES - -B<perltex>'s sandbox defaults to what L<Opcode> calls ``C<:browse>''. - -=head1 SEE ALSO - -latex(1), pdflatex(1), perl(1), Safe(3pm), Opcode(3pm) - -=head1 AUTHOR - -Scott Pakin, I<scott+pt@pakin.org> |