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#! /usr/bin/env perl
# deweb v1.2, kills the C sections of a CWEB file, for passing to ChkTeX.
# Copyright (C) 1996 Jens T. Berger Thielemann
#
# 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; either version 2 of the License, or
# (at your option) any later version.
#
# 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, write to the Free Software
# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
#
# Contact the author at:
# Jens Berger
# Spektrumvn. 4
# N-0666 Oslo
# Norway
# E-mail: <jensthi@ifi.uio.no>
#
#
#
print STDERR "DeWEB v1.3 - Copyright 1996 Jens T. Berger Thielemann\n";
undef $/;
my @FILES = @ARGV;
FILE:
while( my $file = shift @FILES ) {
my $success = open my $fh, '<', "$file";
if ( ! $success ) {
print STDERR "Couldn't open file '$file'\n";
next FILE;
}
$texmode = 1;
$_ = <$fh>;
while (/\@/) {
&out($`);
$_ = $';
if (/^@/) {
$_ = $';
&out('@');
next;
}
if (/^([\s\n])/) {
$_ = $';
print "\n" if $1 eq "\n";
$texmode = 1;
next;
}
if (/^[cpd]/i) {
$_ = $';
$texmode = 0;
next;
}
if (/^\,/i) {
$_ = $';
print '\,';
next;
}
if (m!^/!) {
$_ = $';
print '\\\\';
next;
}
if (/^[h\&\|\;\#\+]/i || /^i.*/i) {
$_ = $';
next;
}
if (/^\*[0-9\*]?((.|\n)*?\.)/) {
$_ = $';
print $1;
$texmode = 1;
next;
}
if (/^[<(^.t!]((.|\n)*?)\@\>/i) {
$_ = $';
print '{'.$1.'}';
$texmode = 0;
next;
}
if (/^[=]((.|\n)*?)\@\>/) {
$_ = $';
print &printnl($1);
next;
}
if (/^[fsl](\s+\S+\s+\S+)|^\'(.|\n)*?\'|^\[((.|\n)*?)\@\]/i) {
$_ = $';
print &printnl($+);
next;
}
@line = split(/\n/, $_, 2);
print STDERR "Unknown opcode, ignored. Buffer:\n$line[0]\n";
}
print $_;
}
sub printnl {
my($foo);
if (defined $_[0]) {
$foo = $_[0];
$foo =~ s/.//g;
} else {
$foo = "";
}
$foo;
}
sub out {
print $texmode? $_[0] : &printnl($_[0]);
}
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